{
 "instance": {
  "sbsw-20221231.htm": {
   "axisCustom": 4,
   "axisStandard": 46,
   "baseTaxonomies": {
    "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full": 3751,
    "http://xbrl.sec.gov/dei/2021q4": 48
   },
   "contextCount": 1709,
   "dts": {
    "calculationLink": {
     "local": [
      "sbsw-20221231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "sbsw-20221231_def.xml"
     ]
    },
    "inline": {
     "local": [
      "sbsw-20221231.htm"
     ]
    },
    "labelLink": {
     "local": [
      "sbsw-20221231_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "sbsw-20221231_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "sbsw-20221231.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd",
      "https://xbrl.sec.gov/country/2021/country-2021.xsd",
      "https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd"
     ]
    }
   },
   "elementCount": 1441,
   "entityCount": 1,
   "hidden": {
    "http://www.sibanyegold.co/20221231": 5,
    "http://xbrl.sec.gov/dei/2021q4": 4,
    "total": 9
   },
   "keyCustom": 460,
   "keyStandard": 435,
   "memberCustom": 221,
   "memberStandard": 68,
   "nsprefix": "sbsw",
   "nsuri": "http://www.sibanyegold.co/20221231",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0000001 - Document - Cover",
     "menuCat": "Cover",
     "order": "1",
     "role": "http://www.sibanyegold.co/role/Cover",
     "shortName": "Cover",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000010 - Disclosure - Revenue",
     "menuCat": "Notes",
     "order": "10",
     "role": "http://www.sibanyegold.co/role/Revenue",
     "shortName": "Revenue",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R100": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PercentageOfActualAnnualCashBonus",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000100 - Disclosure - Share-based payments - Equity settled, 2017 and 2013 Plans (Details)",
     "menuCat": "Details",
     "order": "100",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails",
     "shortName": "Share-based payments - Equity settled, 2017 and 2013 Plans (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PercentageOfActualAnnualCashBonus",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R101": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i44b41aa4cc1a45c795aae9e934fe2a53_I20211231",
      "decimals": "0",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
      "reportCount": 1,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000101 - Disclosure - Share-based payments - Equity settled, 2017 and 2013 Plan Activity (Details)",
     "menuCat": "Details",
     "order": "101",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
     "shortName": "Share-based payments - Equity settled, 2017 and 2013 Plan Activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "id89a91fc122c49159646034685423d46_I20191231",
      "decimals": "0",
      "lang": "en-US",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R102": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:AverageForeignExchangeRate",
      "reportCount": 1,
      "unitRef": "zarPerUSD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000102 - Disclosure - Share-based payments - Equity settled, Directors and Prescribed Officers 2017 and 2013 Plans (Details)",
     "menuCat": "Details",
     "order": "102",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails",
     "shortName": "Share-based payments - Equity settled, Directors and Prescribed Officers 2017 and 2013 Plans (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i27d17ef7eadf4d358ac66862e7ebd4ae_D20220101-20221231",
      "decimals": "2",
      "lang": "en-US",
      "name": "ifrs-full:AverageForeignExchangeRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zarPerShare",
      "xsiNil": "false"
     }
    },
    "R103": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i27789cbd134c405ab6d1b27eddce693e_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ShareBasedPaymentArrangementPercentageOfAwardInPerformanceShares",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000103 - Disclosure - Share-based payments - Equity settled, DRD Gold (Details)",
     "menuCat": "Details",
     "order": "103",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails",
     "shortName": "Share-based payments - Equity settled, DRD Gold (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i27789cbd134c405ab6d1b27eddce693e_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ShareBasedPaymentArrangementPercentageOfAwardInPerformanceShares",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R104": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PercentageOfTotalShareholderReturnWeighting",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000104 - Disclosure - Share-based payments - Cash settled, 2020, 2021 and 2022 Plan (Details)",
     "menuCat": "Details",
     "order": "104",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
     "shortName": "Share-based payments - Cash settled, 2020, 2021 and 2022 Plan (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ie64b618281c04b0b84a5f0cf919a3243_D20200101-20201231",
      "decimals": "2",
      "lang": "en-US",
      "name": "ifrs-full:WeightedAverageSharePriceShareOptionsGranted2019",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zarPerShare",
      "xsiNil": "false"
     }
    },
    "R105": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:CashSettledShareBasedPaymentsPaid",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000105 - Disclosure - Share-based payments - Cash settled, Directors (Details)",
     "menuCat": "Details",
     "order": "105",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
     "shortName": "Share-based payments - Cash settled, Directors (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i2e2bd136f2fc4e5b8fd8dda066b81822_D20220101-20221231",
      "decimals": "0",
      "lang": "en-US",
      "name": "ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R106": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfMovementInDividendObligationTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i07e3330c23a149e2a5043bd44ff88444_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:FinancialLiabilitiesAtAmortisedCost",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000106 - Disclosure - Share-based payments - Cash settled, DRD Gold and BEE transactions narrative (Details)",
     "menuCat": "Details",
     "order": "106",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
     "shortName": "Share-based payments - Cash settled, DRD Gold and BEE transactions narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i613a62511e4a4689997cbbfeb1938aa7_D20220101-20221231",
      "decimals": null,
      "lang": "en-US",
      "name": "sbsw:ShareBasedPaymentArrangementVestingPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R107": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ShareBasedPaymentObligationTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i9188d0ed67384f98ab43920c76e3607d_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:LongTermPGM4EBasketPrice",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zarPerOz",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000107 - Disclosure - Share-based payments - Cash settled, Marikana (Details)",
     "menuCat": "Details",
     "order": "107",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
     "shortName": "Share-based payments - Cash settled, Marikana (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ShareBasedPaymentObligationTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i9188d0ed67384f98ab43920c76e3607d_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:LongTermPGM4EBasketPrice",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zarPerOz",
      "xsiNil": "false"
     }
    },
    "R108": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000108 - Disclosure - Share-based payments - Cash settled, Obligations (Details)",
     "menuCat": "Details",
     "order": "108",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
     "shortName": "Share-based payments - Cash settled, Obligations (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R109": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ExpenseFromShareBasedPaymentTransactions",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000109 - Disclosure - Share-based payments - Expense (Details)",
     "menuCat": "Details",
     "order": "109",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails",
     "shortName": "Share-based payments - Expense (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:ExpenseFromShareBasedPaymentTransactionsSettledWithCash",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCostOfSalesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000011 - Disclosure - Cost of sales",
     "menuCat": "Notes",
     "order": "11",
     "role": "http://www.sibanyegold.co/role/Costofsales",
     "shortName": "Cost of sales",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCostOfSalesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R110": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:GainsLossesOnFairValueAdjustmentOtherInvestments",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000110 - Disclosure - Loss on financial instruments (Details)",
     "menuCat": "Details",
     "order": "110",
     "role": "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
     "shortName": "Loss on financial instruments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:ScheduleOfGainLossOnFinancialInstrumentTableTextBlock",
       "sbsw:GainLossOnFinancialInstrumentsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ia432f50f457e45749643599c162b9ac5_I20200309",
      "decimals": "0",
      "lang": "en-US",
      "name": "ifrs-full:NominalAmountOfHedgingInstrument",
      "reportCount": 1,
      "unique": true,
      "unitRef": "kg",
      "xsiNil": "false"
     }
    },
    "R111": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfOtherExpenseTableTextBlock",
       "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RepairsAndMaintenanceExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000111 - Disclosure - Other costs and other income - Other costs (Details)",
     "menuCat": "Details",
     "order": "111",
     "role": "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
     "shortName": "Other costs and other income - Other costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfOtherExpenseTableTextBlock",
       "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RepairsAndMaintenanceExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R112": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfReconciliationOfLossProfitBeforeRoyaltiesAndTaxToAdjustedEbitdaTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:GainsOnLitigationSettlements",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000112 - Disclosure - Other costs and other income - Other income (Details)",
     "menuCat": "Details",
     "order": "112",
     "role": "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails",
     "shortName": "Other costs and other income - Other income (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfOtherIncomeTableTextBlock",
       "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:GainFromChangeInEstimateOfRehabilitionOrOtherObligations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R113": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:DisclosureOfRestructuringCostsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ExpenseOfRestructuringActivities",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000113 - Disclosure - Restructuring costs (Details)",
     "menuCat": "Details",
     "order": "113",
     "role": "http://www.sibanyegold.co/role/RestructuringcostsDetails",
     "shortName": "Restructuring costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:DisclosureOfRestructuringCostsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i93fb4c155df44a60b0436da68fe95997_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:ExpenseOfRestructuringActivities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R114": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory",
       "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ReversalOfImpairmentLoss",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000114 - Disclosure - Reversal of impairments/(impairments) (Details)",
     "menuCat": "Details",
     "order": "114",
     "role": "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails",
     "shortName": "Reversal of impairments/(impairments) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory",
       "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "INF",
      "lang": "en-US",
      "name": "sbsw:GoldSpotPrice",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerOz",
      "xsiNil": "false"
     }
    },
    "R115": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RoyaltyCalculationGrossRevenueFactorForRefinedMinerals",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000115 - Disclosure - Royalties, mining and income tax, and deferred tax - Revenue from Mineral Resource (Details)",
     "menuCat": "Details",
     "order": "115",
     "role": "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
     "shortName": "Royalties, mining and income tax, and deferred tax - Revenue from Mineral Resource (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RoyaltyCalculationGrossRevenueFactorForRefinedMinerals",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R116": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfReconciliationOfDeferredTaxesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:TaxExpenseIncomeAtApplicableTaxRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000116 - Disclosure - Royalties, mining and income tax, and deferred tax- Rate reconciliation (Details)",
     "menuCat": "Details",
     "order": "116",
     "role": "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails",
     "shortName": "Royalties, mining and income tax, and deferred tax- Rate reconciliation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfReconciliationOfDeferredTaxesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:TaxExpenseIncomeAtApplicableTaxRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R117": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NetDeferredTaxAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000117 - Disclosure - Royalties, mining and income tax, and deferred tax - Deferred Tax (Details)",
     "menuCat": "Details",
     "order": "117",
     "role": "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails",
     "shortName": "Royalties, mining and income tax, and deferred tax - Deferred Tax (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8ef4c34c413249e08f8a764cab4abadc_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:DeferredTaxLiabilityAsset",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R118": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfTaxReceivablesAndPayablesExplanatory",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:CurrentTaxAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000118 - Disclosure - Royalties, mining and income tax, and deferred tax - Receivables and payables (Details)",
     "menuCat": "Details",
     "order": "118",
     "role": "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails",
     "shortName": "Royalties, mining and income tax, and deferred tax - Receivables and payables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfTaxReceivablesAndPayablesExplanatory",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:TaxCarbonTaxAndRoyaltiesPayable",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R119": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:EarningsPerShareExplanatory",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:WeightedAverageSharesIssued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000119 - Disclosure - Earnings per share (Details)",
     "menuCat": "Details",
     "order": "119",
     "role": "http://www.sibanyegold.co/role/EarningspershareDetails",
     "shortName": "Earnings per share (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:EarningsPerShareExplanatory",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:WeightedAverageSharesIssued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000012 - Disclosure - Interest income and finance expense",
     "menuCat": "Notes",
     "order": "12",
     "role": "http://www.sibanyegold.co/role/Interestincomeandfinanceexpense",
     "shortName": "Interest income and finance expense",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R120": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfDividendsTableTextBlock",
       "ifrs-full:DisclosureOfDividendsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000120 - Disclosure - Dividends - Accounting Policy (Details)",
     "menuCat": "Details",
     "order": "120",
     "role": "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails",
     "shortName": "Dividends - Accounting Policy (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfDividendsTableTextBlock",
       "ifrs-full:DisclosureOfDividendsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R121": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000121 - Disclosure - Dividends - Dividend Reconciliation (Details)",
     "menuCat": "Details",
     "order": "121",
     "role": "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
     "shortName": "Dividends - Dividend Reconciliation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfReconciliationOfProfitAndLossAttributableToOwnersOfParentToNormalisedEarningsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:TaxExpenseBenefitDueToAdjustments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R122": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i756fb70eeae540ce91be209abc17edf5_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000122 - Disclosure - Property plant and equipment - Depreciation of non-mining assets (Details)",
     "menuCat": "Details",
     "order": "122",
     "role": "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
     "shortName": "Property plant and equipment - Depreciation of non-mining assets (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i756fb70eeae540ce91be209abc17edf5_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R123": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:PropertyPlantAndEquipment",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000123 - Disclosure - Property plant and equipment- Cost, accumulated amortisation and carrying value (Details)",
     "menuCat": "Details",
     "order": "123",
     "role": "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
     "shortName": "Property plant and equipment- Cost, accumulated amortisation and carrying value (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i675aae47a0c840d5873f6799a69e6fb2_D20200101-20201231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:DepreciationPropertyPlantAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R124": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfRightOfUseAssetsTableTextBlock",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RightofuseAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000124 - Disclosure - Right-of-use assets (Details)",
     "menuCat": "Details",
     "order": "124",
     "role": "http://www.sibanyegold.co/role/RightofuseassetsDetails",
     "shortName": "Right-of-use assets (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfRightOfUseAssetsTableTextBlock",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:ImpairmentRightOfUseAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R125": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfConsiderationPaidInAssetAcquisitionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i85b3663730f4463e901c59b12a4f8d7d_D20220314-20220314",
      "decimals": "3",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ProportionOfOwnershipInterestInEntity",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000125 - Disclosure - Acquisitions - Keliber consideration paid and related costs (Details)",
     "menuCat": "Details",
     "order": "125",
     "role": "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
     "shortName": "Acquisitions - Keliber consideration paid and related costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i85b3663730f4463e901c59b12a4f8d7d_D20220314-20220314",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sbsw:SharesAcquiredInEquityMethodInvestment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R126": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfConsiderationPaidInAssetAcquisitionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if124ad97a7d94985bf4df008da508a9c_I20220314",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PropertyPlantAndEquipmentRecognisedAsOfAssetAcquisitionDate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000126 - Disclosure - Acquisitions - Keliber Assets/liabilities (Details)",
     "menuCat": "Details",
     "order": "126",
     "role": "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
     "shortName": "Acquisitions - Keliber Assets/liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfConsiderationPaidInAssetAcquisitionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if124ad97a7d94985bf4df008da508a9c_I20220314",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PropertyPlantAndEquipmentRecognisedAsOfAssetAcquisitionDate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R127": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i4b6f77819c644a30b907a8f99e521140_I20220204",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000127 - Disclosure - Acquisitions - Sandouville consideration paid and related costs (Details)",
     "menuCat": "Details",
     "order": "127",
     "role": "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
     "shortName": "Acquisitions - Sandouville consideration paid and related costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifbeb65b7bd954ffab34333d183e4f4d0_D20220201-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:RevenueOfAcquiree",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R128": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfRightOfUseAssetsTableTextBlock",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RightOfUseAssetsRecognisedAsOfAcquisitionDate",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000128 - Disclosure - Acquisitions - Sandouville Assets/liabilities, Goodwill (Details)",
     "menuCat": "Details",
     "order": "128",
     "role": "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
     "shortName": "Acquisitions - Sandouville Assets/liabilities, Goodwill (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i4b6f77819c644a30b907a8f99e521140_I20220204",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R129": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory",
       "div",
       "ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Goodwill",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000129 - Disclosure - Goodwill and other intangibles - Changes to balance and allocations of goodwill in acquisitions (Details)",
     "menuCat": "Details",
     "order": "129",
     "role": "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
     "shortName": "Goodwill and other intangibles - Changes to balance and allocations of goodwill in acquisitions (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory",
       "div",
       "ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:AdditionalRecognitionGoodwill",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000013 - Disclosure - Share-based payments",
     "menuCat": "Notes",
     "order": "13",
     "role": "http://www.sibanyegold.co/role/Sharebasedpayments",
     "shortName": "Share-based payments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R130": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ic9fb2da2e40d4120a7f4ce1c885b6603_D20170701-20170701",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000130 - Disclosure - Goodwill and other intangibles - Estimates and Assumptions Used in the Calculation of Goodwill (Details)",
     "menuCat": "Details",
     "order": "130",
     "role": "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
     "shortName": "Goodwill and other intangibles - Estimates and Assumptions Used in the Calculation of Goodwill (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:DisclosureOfAssumptionsUsedInCalculationOfGoodwillTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ibe8f387354324b3cb37436ca4149badd_I20221231",
      "decimals": "3",
      "lang": "en-US",
      "name": "sbsw:GoodwillAssumptionOfNominalDiscountRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R131": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000131 - Disclosure - Equity accounted investments - Summary (Details)",
     "menuCat": "Details",
     "order": "131",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
     "shortName": "Equity accounted investments - Summary (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iaf38b9568b6c48a7ac1025146d34d0b8_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R132": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000132 - Disclosure - Equity accounted investments - Rand - Narrative (Details)",
     "menuCat": "Details",
     "order": "132",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
     "shortName": "Equity accounted investments - Rand - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ib1ca2537642f407fae915ab682645522_D20141218-20141218",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:ProceedsFromNoncurrentBorrowings",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R133": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000133 - Disclosure - Equity accounted investments - Rand (Details)",
     "menuCat": "Details",
     "order": "133",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
     "shortName": "Equity accounted investments - Rand (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfMovementInEquityMethodInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i0152570dba8a4d03ab11819c41c2bdcd_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R134": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromContractsWithCustomers",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000134 - Disclosure - Equity accounted investments - Summary of Financial Statements of Rand Refinery (Details)",
     "menuCat": "Details",
     "order": "134",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
     "shortName": "Equity accounted investments - Summary of Financial Statements of Rand Refinery (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i0152570dba8a4d03ab11819c41c2bdcd_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R135": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i313df1aed7ba463ba65edf300458fa35_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ProportionOfOwnershipInterestInAssociate",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000135 - Disclosure - Equity accounted investments- Mimosa - Narrative (Details)",
     "menuCat": "Details",
     "order": "135",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
     "shortName": "Equity accounted investments- Mimosa - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R136": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000136 - Disclosure - Equity accounted investments- Mimosa (Details)",
     "menuCat": "Details",
     "order": "136",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
     "shortName": "Equity accounted investments- Mimosa (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i313df1aed7ba463ba65edf300458fa35_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R137": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromContractsWithCustomers",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000137 - Disclosure - Equity accounted investments - Mimosa - Summary of Financial Statements of Mimosa (Details)",
     "menuCat": "Details",
     "order": "137",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
     "shortName": "Equity accounted investments - Mimosa - Summary of Financial Statements of Mimosa (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i0b9b2f6a48b64c96bbea870f5bbfae8e_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:NetAssetsLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R138": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NumberOfSharesIssued",
      "reportCount": 1,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000138 - Disclosure - Equity accounted investments - Peregrine - Narrative (Details)",
     "menuCat": "Details",
     "order": "138",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
     "shortName": "Equity accounted investments - Peregrine - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iceea006af94c40c8bff7e09678af6f90_I20181025",
      "decimals": "0",
      "lang": "en-US",
      "name": "ifrs-full:NumberOfSharesIssued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R139": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000139 - Disclosure - Equity accounted investments - Peregrine (Details)",
     "menuCat": "Details",
     "order": "139",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
     "shortName": "Equity accounted investments - Peregrine (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i2b0d7e35ebd74a85a495af190171824a_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:ForeignCurrencyTranslationOnEquityAccountedInvestment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:GainLossOnFinancialInstrumentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000014 - Disclosure - Loss on financial instruments",
     "menuCat": "Notes",
     "order": "14",
     "role": "http://www.sibanyegold.co/role/Lossonfinancialinstruments",
     "shortName": "Loss on financial instruments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:GainLossOnFinancialInstrumentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R140": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NoncurrentAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000140 - Disclosure - Equity accounted investments - Summary of Financial Statements of Peregrine (Details)",
     "menuCat": "Details",
     "order": "140",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
     "shortName": "Equity accounted investments - Summary of Financial Statements of Peregrine (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i37254d28f6f64d63a5eb8748957aa4a7_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:NetAssetsLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R141": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i57fc787718484d94abea348968443907_I20210916",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:InvestmentCommitmentEquityInvestmentAmount",
      "reportCount": 1,
      "unitRef": "eur",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000141 - Disclosure - Equity accounted investments - Keliber - Narrative (Details)",
     "menuCat": "Details",
     "order": "141",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
     "shortName": "Equity accounted investments - Keliber - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R142": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InvestmentAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000142 - Disclosure - Equity accounted investments - Keliber (Details)",
     "menuCat": "Details",
     "order": "142",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
     "shortName": "Equity accounted investments - Keliber (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iece0ea2172da4ab99189db287af8a383_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R143": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000143 - Disclosure - Interests in joint operations (Details)",
     "menuCat": "Details",
     "order": "143",
     "role": "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
     "shortName": "Interests in joint operations (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ic69b02e381af4bb1b0917af3638d5108_D20220101-20221231",
      "decimals": "INF",
      "lang": "en-US",
      "name": "sbsw:NumberOfJointOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "jointoperation",
      "xsiNil": "false"
     }
    },
    "R144": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DescriptionOfInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:OtherNoncurrentFinancialAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000144 - Disclosure - Other investments (Details)",
     "menuCat": "Details",
     "order": "144",
     "role": "http://www.sibanyegold.co/role/OtherinvestmentsDetails",
     "shortName": "Other investments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:DescriptionOfInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ib8a06a142f63492d9562ab17a96119ec_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:ProposedLoanFromGovernmentDepartment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R145": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RehabilitationObligationFundAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000145 - Disclosure - Environmental rehabilitation obligation funds (Details)",
     "menuCat": "Details",
     "order": "145",
     "role": "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails",
     "shortName": "Environmental rehabilitation obligation funds (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8ef4c34c413249e08f8a764cab4abadc_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:RehabilitationObligationFundAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R146": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOtherReceivablesComponentsTableTextBlock",
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RightOfRecoveryReceivable",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000146 - Disclosure - Other receivables and other payables - Other receivables (Details)",
     "menuCat": "Details",
     "order": "146",
     "role": "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails",
     "shortName": "Other receivables and other payables - Other receivables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOtherReceivablesComponentsTableTextBlock",
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RightOfRecoveryReceivable",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R147": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOtherPayablesComponentsTableTextBlock",
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RightOfRecoveryPayable",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000147 - Disclosure - Other receivables and other payables - Other payables (Details)",
     "menuCat": "Details",
     "order": "147",
     "role": "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
     "shortName": "Other receivables and other payables - Other payables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOtherPayablesComponentsTableTextBlock",
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RightOfRecoveryPayable",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R148": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RehabilitationObligationPercentDueUnderAgreement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000148 - Disclosure - Other receivables and other payables - Right of recovery and Deferred (Details)",
     "menuCat": "Details",
     "order": "148",
     "role": "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
     "shortName": "Other receivables and other payables - Right of recovery and Deferred (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RehabilitationObligationPercentDueUnderAgreement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R149": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i65789c21dfcd4616b3e08d53fdd892bb_I20221231",
      "decimals": "4",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ActuarialAssumptionOfDiscountRates",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000149 - Disclosure - Other receivables and other payables - Marikana dividend obligation (Details)",
     "menuCat": "Details",
     "order": "149",
     "role": "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
     "shortName": "Other receivables and other payables - Marikana dividend obligation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i65789c21dfcd4616b3e08d53fdd892bb_I20221231",
      "decimals": "4",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ActuarialAssumptionOfDiscountRates",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000015 - Disclosure - Other costs and other income",
     "menuCat": "Notes",
     "order": "15",
     "role": "http://www.sibanyegold.co/role/Othercostsandotherincome",
     "shortName": "Other costs and other income",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R150": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfDeferredAndContingentPaymentsMadeTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PaymentOfDeferredLiabilityRelatedToAcquisition",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000150 - Disclosure - Other receivables and other payables -Deferred/contingent payments (Details)",
     "menuCat": "Details",
     "order": "150",
     "role": "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
     "shortName": "Other receivables and other payables -Deferred/contingent payments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfDeferredAndContingentPaymentsMadeTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R151": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfInventoryTableTextBlock",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000151 - Disclosure - Inventories (Details)",
     "menuCat": "Details",
     "order": "151",
     "role": "http://www.sibanyegold.co/role/InventoriesDetails",
     "shortName": "Inventories (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfInventoryTableTextBlock",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R152": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfTradeAndOtherReceivablesComponentsTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:AccountsReceivablesPayrollDebtors",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000152 - Disclosure - Trade and other receivables (Details)",
     "menuCat": "Details",
     "order": "152",
     "role": "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
     "shortName": "Trade and other receivables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfTradeAndOtherReceivablesComponentsTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:AccountsReceivablesPayrollDebtors",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R153": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if9855e5131b64b47a4fb87b9fbfccb6f_I20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ClosingForeignExchangeRate",
      "reportCount": 1,
      "unitRef": "zarPerUSD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000153 - Disclosure - Trade and other receivables - Impairment allowance (Details)",
     "menuCat": "Details",
     "order": "153",
     "role": "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails",
     "shortName": "Trade and other receivables - Impairment allowance (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "sbsw:PercentageOfReasonablyPossibleIncreaseInRiskAssumption",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iae7a838eab9045898d84661211e7eaae_D20220101-20221231",
      "decimals": "2",
      "lang": "en-US",
      "name": "sbsw:PercentageOfReasonablyPossibleDecreaseInRiskAssumption",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R154": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfCashAndCashEquivalentsComponentsTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Cash",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000154 - Disclosure - Cash and cash equivalents (Details)",
     "menuCat": "Details",
     "order": "154",
     "role": "http://www.sibanyegold.co/role/CashandcashequivalentsDetails",
     "shortName": "Cash and cash equivalents (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfCashAndCashEquivalentsComponentsTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Cash",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R155": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NumberOfSharesAuthorised",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000155 - Disclosure - Stated share capital - Authorised and issued (Details)",
     "menuCat": "Details",
     "order": "155",
     "role": "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails",
     "shortName": "Stated share capital - Authorised and issued (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NumberOfSharesAuthorised",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R156": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000156 - Disclosure - Non-controlling interests - Group\u2019s NCI relates (Details)",
     "menuCat": "Details",
     "order": "156",
     "role": "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
     "shortName": "Non-controlling interests - Group\u2019s NCI relates (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfSubsidiariesRelatedToNoncontrollingInterestsTableTextBlock",
       "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ic103891d26d34b95ada51adbc249e159_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R157": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromContractsWithCustomers",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000157 - Disclosure - Non-controlling interests - Summarised financial information of subsidiary groups (Details)",
     "menuCat": "Details",
     "order": "157",
     "role": "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
     "shortName": "Non-controlling interests - Summarised financial information of subsidiary groups (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfSummarisedFinancialInformationOfNoncontrollingInterestsTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ic858e22c63f64332bd7aac08aaba1edd_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromContractsWithCustomers",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R158": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000158 - Disclosure - Non-controlling interests - Narrative (Details)",
     "menuCat": "Details",
     "order": "158",
     "role": "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
     "shortName": "Non-controlling interests - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "icad804cd218145fcaf86167edcd00bf7_D20221003-20221003",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:TaxExpenseOtherThanIncomeTaxExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "eur",
      "xsiNil": "false"
     }
    },
    "R159": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfNonControllingInterestEffectOnRetainedEarningsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "icb0cd0017d3c4fdeb41e21c06637af01_I20221003",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:CashTransferredAssetAcquisition",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000159 - Disclosure - Non-controlling interests - NCI impact (Details)",
     "menuCat": "Details",
     "order": "159",
     "role": "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
     "shortName": "Non-controlling interests - NCI impact (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfNonControllingInterestEffectOnRetainedEarningsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "icb0cd0017d3c4fdeb41e21c06637af01_I20221003",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:CashTransferredAssetAcquisition",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfRestructuringCostsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000016 - Disclosure - Restructuring costs",
     "menuCat": "Notes",
     "order": "16",
     "role": "http://www.sibanyegold.co/role/Restructuringcosts",
     "shortName": "Restructuring costs",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfRestructuringCostsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R160": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000160 - Disclosure - Borrowings - Borrowings and derivative financial instrument (Details)",
     "menuCat": "Details",
     "order": "160",
     "role": "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
     "shortName": "Borrowings - Borrowings and derivative financial instrument (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfBorrowingsRollforwardTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:BorrowingsConvertedToEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R161": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000161 - Disclosure - Borrowings - US$600 million RCF (Details)",
     "menuCat": "Details",
     "order": "161",
     "role": "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
     "shortName": "Borrowings - US$600 million RCF (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ied88de9e27bc40d282f8e900cfd96864_D20180521-20180521",
      "decimals": "INF",
      "lang": "en-US",
      "name": "sbsw:InterestRateMarginThreshold",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R162": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000162 - Disclosure - Borrowings - R5.5 billion RCF (Details)",
     "menuCat": "Details",
     "order": "162",
     "role": "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
     "shortName": "Borrowings - R5.5 billion RCF (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if709f6fc250541f692723a2123677393_D20191025-20191025",
      "decimals": "0",
      "lang": "en-US",
      "name": "sbsw:BorrowingsNumberOfOneYearExtensionsAvailable",
      "reportCount": 1,
      "unique": true,
      "unitRef": "extension_option",
      "xsiNil": "false"
     }
    },
    "R163": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000163 - Disclosure - Borrowings - 2026 and 2029 Notes (Details)",
     "menuCat": "Details",
     "order": "163",
     "role": "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
     "shortName": "Borrowings - 2026 and 2029 Notes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i88ea79413315409296925ca077a53181_I20211116",
      "decimals": "INF",
      "lang": "en-US",
      "name": "ifrs-full:BorrowingsInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R164": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Borrowings",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000164 - Disclosure - Borrowings - Burnstone Debt (Details)",
     "menuCat": "Details",
     "order": "164",
     "role": "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
     "shortName": "Borrowings - Burnstone Debt (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ic9fb2da2e40d4120a7f4ce1c885b6603_D20170701-20170701",
      "decimals": "2",
      "lang": "en-US",
      "name": "sbsw:PercentageOfBurnstoneFreeCashFlowParticipationByBankLendersAfterBurnstoneDebtRepaidInFull",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R165": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfBorrowingsRollforwardTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Borrowings",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000165 - Disclosure - Borrowings - Other borrowings (Details)",
     "menuCat": "Details",
     "order": "165",
     "role": "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
     "shortName": "Borrowings - Other borrowings (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i2b2c210a9eb44894bffef1e78ca49fb3_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R166": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:ScheduleOfFairValueOfBorrowingsWhereCarryingAmountDoesNotApproximateFairValueTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i1d21412674f841e9b990ad55cf6b8ec9_I20221231",
      "decimals": "4",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ActuarialAssumptionOfDiscountRates",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000166 - Disclosure - Borrowings - Fair Value (Details)",
     "menuCat": "Details",
     "order": "166",
     "role": "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
     "shortName": "Borrowings - Fair Value (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:ScheduleOfFairValueOfBorrowingsWhereCarryingAmountDoesNotApproximateFairValueTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i1d21412674f841e9b990ad55cf6b8ec9_I20221231",
      "decimals": "4",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ActuarialAssumptionOfDiscountRates",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R167": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Borrowings",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000167 - Disclosure - Borrowings - Market risk (Details)",
     "menuCat": "Details",
     "order": "167",
     "role": "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
     "shortName": "Borrowings - Market risk (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iaf74415ebf0d42f4ae1f24405e6e0846_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:IncreaseDecreaseInGainOnForeignExchangeDifferencesDueToReasonablyPossibleDecreaseInRandToUsdExchangeRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R168": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfBorrowingsInterestRateChangesAndRepricingDatesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:LongTermBorrowingsWithExposureToInterestRateChanges",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000168 - Disclosure - Borrowings - Interest rate changes (Details)",
     "menuCat": "Details",
     "order": "168",
     "role": "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
     "shortName": "Borrowings - Interest rate changes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfBorrowingsInterestRateChangesAndRepricingDatesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:LongTermBorrowingsWithExposureToInterestRateChanges",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R169": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfNetDebtToEbitdaTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:BorrowingsWithRecourse",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000169 - Disclosure - Borrowings - Capital management (Details)",
     "menuCat": "Details",
     "order": "169",
     "role": "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails",
     "shortName": "Borrowings - Capital management (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfNetDebtToEbitdaTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:BorrowingsWithRecourse",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if038b95a1d6c4577bc00ab3a9b6305b6_D20210101-20211231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000017 - Disclosure - Reversal of impairments/(impairments)",
     "menuCat": "Notes",
     "order": "17",
     "role": "http://www.sibanyegold.co/role/Reversalofimpairmentsimpairments",
     "shortName": "Reversal of impairments/(impairments)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if038b95a1d6c4577bc00ab3a9b6305b6_D20210101-20211231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R170": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfReconciliationOfLossProfitBeforeRoyaltiesAndTaxToAdjustedEbitdaTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ProfitLossBeforeRoyaltiesAndTax",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000170 - Disclosure - Borrowings - Reconciliation of EBITDA (Details)",
     "menuCat": "Details",
     "order": "170",
     "role": "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
     "shortName": "Borrowings - Reconciliation of EBITDA (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfReconciliationOfLossProfitBeforeRoyaltiesAndTaxToAdjustedEbitdaTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:GainLossFromChangeInEstimateOfRehabilitionOrOtherObligations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R171": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfLeasesLiabilitiesTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:LeaseLiabilities",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000171 - Disclosure - Lease liabilities - Changes in lease liabilities (Details)",
     "menuCat": "Details",
     "order": "171",
     "role": "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails",
     "shortName": "Lease liabilities - Changes in lease liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfLeasesLiabilitiesTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8ef4c34c413249e08f8a764cab4abadc_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:LeaseLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R172": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfLeaseCostsTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000172 - Disclosure - Lease liabilities - Lease payments expensed (Details)",
     "menuCat": "Details",
     "order": "172",
     "role": "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails",
     "shortName": "Lease liabilities - Lease payments expensed (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfLeaseCostsTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R173": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfMaturityOfLeaseLiabilitiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:GrossLeaseLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000173 - Disclosure - Lease liabilities - Undiscounted maturity analysis of lease liabilities (Details)",
     "menuCat": "Details",
     "order": "173",
     "role": "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails",
     "shortName": "Lease liabilities - Undiscounted maturity analysis of lease liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfMaturityOfLeaseLiabilitiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:GrossLeaseLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R174": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory",
       "div",
       "sbsw:DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ie6f85f5f84a34cbd83a18bd79bc85078_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:EnvironmentalRehabilitationObligationInflationRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000174 - Disclosure - Environmental rehabilitation obligation and other provisions - Assumptions used to calculate the provision (Details)",
     "menuCat": "Details",
     "order": "174",
     "role": "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
     "shortName": "Environmental rehabilitation obligation and other provisions - Assumptions used to calculate the provision (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory",
       "div",
       "sbsw:DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ie6f85f5f84a34cbd83a18bd79bc85078_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:EnvironmentalRehabilitationObligationInflationRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R175": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfEnvironmentalRehabilitationObligationProvisionsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000175 - Disclosure - Environmental rehabilitation obligation and other provisions - Schedule of environmental rehabilitation obligation activity (Details)",
     "menuCat": "Details",
     "order": "175",
     "role": "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails",
     "shortName": "Environmental rehabilitation obligation and other provisions - Schedule of environmental rehabilitation obligation activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfEnvironmentalRehabilitationObligationProvisionsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8ef4c34c413249e08f8a764cab4abadc_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R176": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ProvisionForPostClosureAspects",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000176 - Disclosure - Environmental rehabilitation obligation and other provisions - Narrative (Details)",
     "menuCat": "Details",
     "order": "176",
     "role": "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsNarrativeDetails",
     "shortName": "Environmental rehabilitation obligation and other provisions - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ProvisionForPostClosureAspects",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R177": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "sbsw:DescriptionOfAccountingPolicyForOccupationalHealthcareObligationPolicyTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:TakeUpRateUsedForEstimationOfHealthCareObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000177 - Disclosure - Occupational healthcare obligation - Narrative (Details)",
     "menuCat": "Details",
     "order": "177",
     "role": "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails",
     "shortName": "Occupational healthcare obligation - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "sbsw:DescriptionOfAccountingPolicyForOccupationalHealthcareObligationPolicyTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:TakeUpRateUsedForEstimationOfHealthCareObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R178": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfOccupationalHealthcareObligationTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:LegalProceedingsProvision",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000178 - Disclosure - Occupational healthcare obligation - Change in obligation (Details)",
     "menuCat": "Details",
     "order": "178",
     "role": "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
     "shortName": "Occupational healthcare obligation - Change in obligation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfOccupationalHealthcareObligationTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ib62d5bfbb8cc44f4b3325b49c6c37acd_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R179": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfKeyInputsUsedInMeasurementOfDeferredRevenueTableTextBlock",
       "div",
       "sbsw:DisclosureOfContractLiabilitiesExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ie9be18d197194133a94e7408d03f53af_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:StreamingArrangementExpectedLife",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000179 - Disclosure - Deferred revenue - Inputs in model to unwind deferred revenue (Details)",
     "menuCat": "Details",
     "order": "179",
     "role": "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
     "shortName": "Deferred revenue - Inputs in model to unwind deferred revenue (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOfKeyInputsUsedInMeasurementOfDeferredRevenueTableTextBlock",
       "div",
       "sbsw:DisclosureOfContractLiabilitiesExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ie9be18d197194133a94e7408d03f53af_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:StreamingArrangementExpectedLife",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000018 - Disclosure - Royalties, mining and income tax, and deferred tax",
     "menuCat": "Notes",
     "order": "18",
     "role": "http://www.sibanyegold.co/role/Royaltiesminingandincometaxanddeferredtax",
     "shortName": "Royalties, mining and income tax, and deferred tax",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R180": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DeferredIncomeReceived",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000180 - Disclosure - Deferred revenue - Narrative (Details)",
     "menuCat": "Details",
     "order": "180",
     "role": "http://www.sibanyegold.co/role/DeferredrevenueNarrativeDetails",
     "shortName": "Deferred revenue - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R181": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "if0a414054b9142ac97863266d63f84aa_I20211231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ContractLiabilities",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000181 - Disclosure - Deferred revenue - Changes in Deferred Revenue (Details)",
     "menuCat": "Details",
     "order": "181",
     "role": "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
     "shortName": "Deferred revenue - Changes in Deferred Revenue (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8ef4c34c413249e08f8a764cab4abadc_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:ContractLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R182": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfTradeAndOtherPayablesTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000182 - Disclosure - Trade and other payables (Details)",
     "menuCat": "Details",
     "order": "182",
     "role": "http://www.sibanyegold.co/role/TradeandotherpayablesDetails",
     "shortName": "Trade and other payables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfTradeAndOtherPayablesTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R183": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ProfitLoss",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000183 - Disclosure - Cash generated by operations (Details)",
     "menuCat": "Details",
     "order": "183",
     "role": "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
     "shortName": "Cash generated by operations (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfCashGeneratedByOperationsTableTextBlock",
       "div",
       "sbsw:DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:AdjustmentsForRoyaltiesExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R184": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfChangeInWorkingCapitalTableTextBlock",
       "div",
       "sbsw:DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:AdjustmentsForDecreaseIncreaseInInventories",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000184 - Disclosure - Change in working capital (Details)",
     "menuCat": "Details",
     "order": "184",
     "role": "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails",
     "shortName": "Change in working capital (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:ScheduleOfChangeInWorkingCapitalTableTextBlock",
       "div",
       "sbsw:DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:AdjustmentsForDecreaseIncreaseInInventories",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R185": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "3",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PercentageOfMaximumInvestmentOfFinancialInstitutionsEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000185 - Disclosure - Financial instruments and risk management - Significant financial instruments measured at fair value (Details)",
     "menuCat": "Details",
     "order": "185",
     "role": "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
     "shortName": "Financial instruments and risk management - Significant financial instruments measured at fair value (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "3",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:PercentageOfMaximumInvestmentOfFinancialInstitutionsEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R186": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "sbsw:DisclosureOtherPayablesComponentsTableTextBlock",
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:OtherPayables",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000186 - Disclosure - Financial instruments and risk management - Maturities (Details)",
     "menuCat": "Details",
     "order": "186",
     "role": "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
     "shortName": "Financial instruments and risk management - Maturities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R187": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ProfitLoss",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000187 - Disclosure - Financial instruments and risk management - Working capital and going concern assessment (Details)",
     "menuCat": "Details",
     "order": "187",
     "role": "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
     "shortName": "Financial instruments and risk management - Working capital and going concern assessment (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:WorkingCapital",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R188": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000188 - Disclosure - Financial instruments and risk management - Foreign currency risk (Details)",
     "menuCat": "Details",
     "order": "188",
     "role": "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
     "shortName": "Financial instruments and risk management - Foreign currency risk (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ide9a1b0b978747dc827618e007defe3d_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:FinancialAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R189": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:ScheduleOfGainLossOnFinancialInstrumentTableTextBlock",
       "sbsw:GainLossOnFinancialInstrumentsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iaffcee5a1a1c4b4493510d7b4acd3002_I20210324",
      "decimals": "0",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NominalAmountOfHedgingInstrument",
      "reportCount": 1,
      "unitRef": "oz",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000189 - Disclosure - Financial instruments and risk management - Commodity price sensitivity and hedging (Details)",
     "menuCat": "Details",
     "order": "189",
     "role": "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
     "shortName": "Financial instruments and risk management - Commodity price sensitivity and hedging (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ida513f3eb28544328032b79df6d39904_I20221231",
      "decimals": "0",
      "lang": "en-US",
      "name": "ifrs-full:NominalAmountOfHedgingInstrument",
      "reportCount": 1,
      "unique": true,
      "unitRef": "oz",
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000019 - Disclosure - Earnings per share",
     "menuCat": "Notes",
     "order": "19",
     "role": "http://www.sibanyegold.co/role/Earningspershare",
     "shortName": "Earnings per share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R190": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfCommitmentsDetailTableTextBlock",
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:AuthorisedCapitalCommitmentsButNotContractedFor",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000190 - Disclosure - Commitments (Details)",
     "menuCat": "Details",
     "order": "190",
     "role": "http://www.sibanyegold.co/role/CommitmentsDetails",
     "shortName": "Commitments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfCommitmentsDetailTableTextBlock",
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:AuthorisedCapitalCommitmentsButNotContractedFor",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R191": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000191 - Disclosure - Related-party transactions - Narrative (Details)",
     "menuCat": "Details",
     "order": "191",
     "role": "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
     "shortName": "Related-party transactions - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i26bbd2699eba46a39268b3f97dc15c2f_D20160101-20161231",
      "decimals": "0",
      "lang": "en-US",
      "name": "ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R192": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i0152570dba8a4d03ab11819c41c2bdcd_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000192 - Disclosure - Related-party transactions - Transactions and balances with related parties (Details)",
     "menuCat": "Details",
     "order": "192",
     "role": "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails",
     "shortName": "Related-party transactions - Transactions and balances with related parties (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i0152570dba8a4d03ab11819c41c2bdcd_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R193": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000193 - Disclosure - Related-party transactions - Key management remuneration (Details)",
     "menuCat": "Details",
     "order": "193",
     "role": "http://www.sibanyegold.co/role/RelatedpartytransactionsKeymanagementremunerationDetails",
     "shortName": "Related-party transactions - Key management remuneration (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R194": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000194 - Disclosure - Directors' and prescribed officers' remuneration - Executive directors and prescribed officers remuneration (Details)",
     "menuCat": "Details",
     "order": "194",
     "role": "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
     "shortName": "Directors' and prescribed officers' remuneration - Executive directors and prescribed officers remuneration (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i62221978d3934a81bcfd006717b4052a_D20220101-20221231",
      "decimals": "-3",
      "lang": "en-US",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R195": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:KeyManagementPersonnelCompensation",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000195 - Disclosure - Directors' and prescribed officers' remuneration - Non-executive director fees (Details)",
     "menuCat": "Details",
     "order": "195",
     "role": "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails",
     "shortName": "Directors' and prescribed officers' remuneration - Non-executive director fees (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i26fb0c63d0c74732a686d91e0542f4dd_D20220101-20221231",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sbsw:KeyManagementPersonnelCompensationDirectorPayments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R196": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:NumberOfSharesOutstandingKeyManagementPersonnel",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000196 - Disclosure - Directors' and prescribed officers' remuneration - Key management share ownership (Details)",
     "menuCat": "Details",
     "order": "196",
     "role": "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
     "shortName": "Directors' and prescribed officers' remuneration - Key management share ownership (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:NumberOfSharesOutstandingKeyManagementPersonnel",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R197": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i90688efba9cb438794c74eec11953f02_I20201019",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NotionalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000197 - Disclosure - Events after reporting date (Details)",
     "menuCat": "Details",
     "order": "197",
     "role": "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
     "shortName": "Events after reporting date (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ibb871b72bbfe4f32a0a64d58b6bdc250_D20230101-20230220",
      "decimals": "3",
      "lang": "en-US",
      "name": "sbsw:ProportionOfOwnershipInterestInEntity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:AuditorName",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "false",
     "longName": "0000002 - Document - Audit Information",
     "menuCat": "Cover",
     "order": "2",
     "role": "http://www.sibanyegold.co/role/AuditInformation",
     "shortName": "Audit Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:AuditorName",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDividendsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000020 - Disclosure - Dividends",
     "menuCat": "Notes",
     "order": "20",
     "role": "http://www.sibanyegold.co/role/Dividends",
     "shortName": "Dividends",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDividendsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000021 - Disclosure - Property plant and equipment",
     "menuCat": "Notes",
     "order": "21",
     "role": "http://www.sibanyegold.co/role/Propertyplantandequipment",
     "shortName": "Property plant and equipment",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000022 - Disclosure - Right-of-use assets",
     "menuCat": "Notes",
     "order": "22",
     "role": "http://www.sibanyegold.co/role/Rightofuseassets",
     "shortName": "Right-of-use assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000023 - Disclosure - Acquisitions",
     "menuCat": "Notes",
     "order": "23",
     "role": "http://www.sibanyegold.co/role/Acquisitions",
     "shortName": "Acquisitions",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000024 - Disclosure - Goodwill and other intangibles",
     "menuCat": "Notes",
     "order": "24",
     "role": "http://www.sibanyegold.co/role/Goodwillandotherintangibles",
     "shortName": "Goodwill and other intangibles",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000025 - Disclosure - Equity accounted investments",
     "menuCat": "Notes",
     "order": "25",
     "role": "http://www.sibanyegold.co/role/Equityaccountedinvestments",
     "shortName": "Equity accounted investments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000026 - Disclosure - Interests in joint operations",
     "menuCat": "Notes",
     "order": "26",
     "role": "http://www.sibanyegold.co/role/Interestsinjointoperations",
     "shortName": "Interests in joint operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000027 - Disclosure - Other investments",
     "menuCat": "Notes",
     "order": "27",
     "role": "http://www.sibanyegold.co/role/Otherinvestments",
     "shortName": "Other investments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestInFundsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000028 - Disclosure - Environmental rehabilitation obligation funds",
     "menuCat": "Notes",
     "order": "28",
     "role": "http://www.sibanyegold.co/role/Environmentalrehabilitationobligationfunds",
     "shortName": "Environmental rehabilitation obligation funds",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestInFundsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000029 - Disclosure - Other receivables and other payables",
     "menuCat": "Notes",
     "order": "29",
     "role": "http://www.sibanyegold.co/role/Otherreceivablesandotherpayables",
     "shortName": "Other receivables and other payables",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "0000003 - Statement - Consolidated income statement",
     "menuCat": "Statements",
     "order": "3",
     "role": "http://www.sibanyegold.co/role/Consolidatedincomestatement",
     "shortName": "Consolidated income statement",
     "subGroupType": "",
     "uniqueAnchor": null
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInventoriesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000030 - Disclosure - Inventories",
     "menuCat": "Notes",
     "order": "30",
     "role": "http://www.sibanyegold.co/role/Inventories",
     "shortName": "Inventories",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInventoriesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000031 - Disclosure - Trade and other receivables",
     "menuCat": "Notes",
     "order": "31",
     "role": "http://www.sibanyegold.co/role/Tradeandotherreceivables",
     "shortName": "Trade and other receivables",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000032 - Disclosure - Cash and cash equivalents",
     "menuCat": "Notes",
     "order": "32",
     "role": "http://www.sibanyegold.co/role/Cashandcashequivalents",
     "shortName": "Cash and cash equivalents",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000033 - Disclosure - Stated share capital",
     "menuCat": "Notes",
     "order": "33",
     "role": "http://www.sibanyegold.co/role/Statedsharecapital",
     "shortName": "Stated share capital",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000034 - Disclosure - Non-controlling interests",
     "menuCat": "Notes",
     "order": "34",
     "role": "http://www.sibanyegold.co/role/Noncontrollinginterests",
     "shortName": "Non-controlling interests",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBorrowingsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000035 - Disclosure - Borrowings",
     "menuCat": "Notes",
     "order": "35",
     "role": "http://www.sibanyegold.co/role/Borrowings",
     "shortName": "Borrowings",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBorrowingsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfLeasesLiabilitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000036 - Disclosure - Lease liabilities",
     "menuCat": "Notes",
     "order": "36",
     "role": "http://www.sibanyegold.co/role/Leaseliabilities",
     "shortName": "Lease liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfLeasesLiabilitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000037 - Disclosure - Environmental rehabilitation obligation and other provisions",
     "menuCat": "Notes",
     "order": "37",
     "role": "http://www.sibanyegold.co/role/Environmentalrehabilitationobligationandotherprovisions",
     "shortName": "Environmental rehabilitation obligation and other provisions",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOccupationalHealthcareObligationTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000038 - Disclosure - Occupational healthcare obligation",
     "menuCat": "Notes",
     "order": "38",
     "role": "http://www.sibanyegold.co/role/Occupationalhealthcareobligation",
     "shortName": "Occupational healthcare obligation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOccupationalHealthcareObligationTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfContractLiabilitiesExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000039 - Disclosure - Deferred revenue",
     "menuCat": "Notes",
     "order": "39",
     "role": "http://www.sibanyegold.co/role/Deferredrevenue",
     "shortName": "Deferred revenue",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfContractLiabilitiesExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:ProfitLoss",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "0000004 - Statement - Consolidated statement of other comprehensive income",
     "menuCat": "Statements",
     "order": "4",
     "role": "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome",
     "shortName": "Consolidated statement of other comprehensive income",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000040 - Disclosure - Trade and other payables",
     "menuCat": "Notes",
     "order": "40",
     "role": "http://www.sibanyegold.co/role/Tradeandotherpayables",
     "shortName": "Trade and other payables",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000041 - Disclosure - Cash generated by operations",
     "menuCat": "Notes",
     "order": "41",
     "role": "http://www.sibanyegold.co/role/Cashgeneratedbyoperations",
     "shortName": "Cash generated by operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000042 - Disclosure - Change in working capital",
     "menuCat": "Notes",
     "order": "42",
     "role": "http://www.sibanyegold.co/role/Changeinworkingcapital",
     "shortName": "Change in working capital",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000043 - Disclosure - Financial instruments and risk management",
     "menuCat": "Notes",
     "order": "43",
     "role": "http://www.sibanyegold.co/role/Financialinstrumentsandriskmanagement",
     "shortName": "Financial instruments and risk management",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCommitmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000044 - Disclosure - Commitments",
     "menuCat": "Notes",
     "order": "44",
     "role": "http://www.sibanyegold.co/role/Commitments",
     "shortName": "Commitments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCommitmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfContingentLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000045 - Disclosure - Contingent liabilities",
     "menuCat": "Notes",
     "order": "45",
     "role": "http://www.sibanyegold.co/role/Contingentliabilities",
     "shortName": "Contingent liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfContingentLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000046 - Disclosure - Related-party transactions",
     "menuCat": "Notes",
     "order": "46",
     "role": "http://www.sibanyegold.co/role/Relatedpartytransactions",
     "shortName": "Related-party transactions",
     "subGroupType": "",
     "uniqueAnchor": null
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000047 - Disclosure - Directors' and prescribed officers' remuneration",
     "menuCat": "Notes",
     "order": "47",
     "role": "http://www.sibanyegold.co/role/Directorsandprescribedofficersremuneration",
     "shortName": "Directors' and prescribed officers' remuneration",
     "subGroupType": "",
     "uniqueAnchor": null
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000048 - Disclosure - Events after reporting date",
     "menuCat": "Notes",
     "order": "48",
     "role": "http://www.sibanyegold.co/role/Eventsafterreportingdate",
     "shortName": "Events after reporting date",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DescriptionOfOtherAccountingPoliciesRelevantToUnderstandingOfFinancialStatements",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000049 - Disclosure - Accounting policies (Policies)",
     "menuCat": "Policies",
     "order": "49",
     "role": "http://www.sibanyegold.co/role/AccountingpoliciesPolicies",
     "shortName": "Accounting policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DescriptionOfOtherAccountingPoliciesRelevantToUnderstandingOfFinancialStatements",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:NoncurrentAssets",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "0000005 - Statement - Consolidated statement of financial position",
     "menuCat": "Statements",
     "order": "5",
     "role": "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
     "shortName": "Consolidated statement of financial position",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000050 - Disclosure - Segment reporting (Tables)",
     "menuCat": "Tables",
     "order": "50",
     "role": "http://www.sibanyegold.co/role/SegmentreportingTables",
     "shortName": "Segment reporting (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000051 - Disclosure - Revenue (Tables)",
     "menuCat": "Tables",
     "order": "51",
     "role": "http://www.sibanyegold.co/role/RevenueTables",
     "shortName": "Revenue (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfCostOfSalesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfPerformanceObligationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000052 - Disclosure - Cost of sales (Tables)",
     "menuCat": "Tables",
     "order": "52",
     "role": "http://www.sibanyegold.co/role/CostofsalesTables",
     "shortName": "Cost of sales (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfCostOfSalesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfPerformanceObligationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestIncomeExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000053 - Disclosure - Interest income and finance expense (Tables)",
     "menuCat": "Tables",
     "order": "53",
     "role": "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseTables",
     "shortName": "Interest income and finance expense (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInterestIncomeExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfDetailInformationAboutShareBasedPaymentArrangementsPeerGroupCompaniesForTSRComparisonTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000054 - Disclosure - Share-based payments (Tables)",
     "menuCat": "Tables",
     "order": "54",
     "role": "http://www.sibanyegold.co/role/SharebasedpaymentsTables",
     "shortName": "Share-based payments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfDetailInformationAboutShareBasedPaymentArrangementsPeerGroupCompaniesForTSRComparisonTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "sbsw:GainLossOnFinancialInstrumentsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfGainLossOnFinancialInstrumentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000055 - Disclosure - Loss on financial instruments (Tables)",
     "menuCat": "Tables",
     "order": "55",
     "role": "http://www.sibanyegold.co/role/LossonfinancialinstrumentsTables",
     "shortName": "Loss on financial instruments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "sbsw:GainLossOnFinancialInstrumentsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfGainLossOnFinancialInstrumentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOtherExpenseTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000056 - Disclosure - Other costs and other income (Tables)",
     "menuCat": "Tables",
     "order": "56",
     "role": "http://www.sibanyegold.co/role/OthercostsandotherincomeTables",
     "shortName": "Other costs and other income (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOtherExpenseTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000057 - Disclosure - Reversal of impairments/(impairments) (Tables)",
     "menuCat": "Tables",
     "order": "57",
     "role": "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsTables",
     "shortName": "Reversal of impairments/(impairments) (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfMajorComponentsOfRoyaltyTaxExpenseTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000058 - Disclosure - Royalties, mining and income tax, and deferred tax (Tables)",
     "menuCat": "Tables",
     "order": "58",
     "role": "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables",
     "shortName": "Royalties, mining and income tax, and deferred tax (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfMajorComponentsOfRoyaltyTaxExpenseTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000059 - Disclosure - Earnings per share (Tables)",
     "menuCat": "Tables",
     "order": "59",
     "role": "http://www.sibanyegold.co/role/EarningspershareTables",
     "shortName": "Earnings per share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8ef4c34c413249e08f8a764cab4abadc_I20191231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "0000006 - Statement - Consolidated statement of changes in equity",
     "menuCat": "Statements",
     "order": "6",
     "role": "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
     "shortName": "Consolidated statement of changes in equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i19d45d4a7ce0404ebd5d1467aa856733_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfDividendsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfDividendsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000060 - Disclosure - Dividends (Tables)",
     "menuCat": "Tables",
     "order": "60",
     "role": "http://www.sibanyegold.co/role/DividendsTables",
     "shortName": "Dividends (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfDividendsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfDividendsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000061 - Disclosure - Property plant and equipment (Tables)",
     "menuCat": "Tables",
     "order": "61",
     "role": "http://www.sibanyegold.co/role/PropertyplantandequipmentTables",
     "shortName": "Property plant and equipment (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfRightOfUseAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000062 - Disclosure - Right-of-use assets (Tables)",
     "menuCat": "Tables",
     "order": "62",
     "role": "http://www.sibanyegold.co/role/RightofuseassetsTables",
     "shortName": "Right-of-use assets (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfRightOfUseAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfConsiderationPaidInBusinessCombinationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000063 - Disclosure - Acquisitions (Tables)",
     "menuCat": "Tables",
     "order": "63",
     "role": "http://www.sibanyegold.co/role/AcquisitionsTables",
     "shortName": "Acquisitions (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfConsiderationPaidInBusinessCombinationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000064 - Disclosure - Goodwill and other intangibles (Tables)",
     "menuCat": "Tables",
     "order": "64",
     "role": "http://www.sibanyegold.co/role/GoodwillandotherintangiblesTables",
     "shortName": "Goodwill and other intangibles (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000065 - Disclosure - Equity accounted investments (Tables)",
     "menuCat": "Tables",
     "order": "65",
     "role": "http://www.sibanyegold.co/role/EquityaccountedinvestmentsTables",
     "shortName": "Equity accounted investments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfJointOperationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000066 - Disclosure - Interests in joint operations (Tables)",
     "menuCat": "Tables",
     "order": "66",
     "role": "http://www.sibanyegold.co/role/InterestsinjointoperationsTables",
     "shortName": "Interests in joint operations (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfJointOperationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DescriptionOfInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000067 - Disclosure - Other investments (Tables)",
     "menuCat": "Tables",
     "order": "67",
     "role": "http://www.sibanyegold.co/role/OtherinvestmentsTables",
     "shortName": "Other investments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DescriptionOfInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfEnvironmentalRehabilitationObligationFundsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000068 - Disclosure - Environmental rehabilitation obligation funds (Tables)",
     "menuCat": "Tables",
     "order": "68",
     "role": "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsTables",
     "shortName": "Environmental rehabilitation obligation funds (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfEnvironmentalRehabilitationObligationFundsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOtherReceivablesComponentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000069 - Disclosure - Other receivables and other payables (Tables)",
     "menuCat": "Tables",
     "order": "69",
     "role": "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesTables",
     "shortName": "Other receivables and other payables (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOtherReceivablesComponentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "0000007 - Statement - Consolidated statement of cash flows",
     "menuCat": "Statements",
     "order": "7",
     "role": "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
     "shortName": "Consolidated statement of cash flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:AdjustmentForLitigationSettlementReceived",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfInventoryTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000070 - Disclosure - Inventories (Tables)",
     "menuCat": "Tables",
     "order": "70",
     "role": "http://www.sibanyegold.co/role/InventoriesTables",
     "shortName": "Inventories (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfInventoryTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfTradeAndOtherReceivablesComponentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000071 - Disclosure - Trade and other receivables (Tables)",
     "menuCat": "Tables",
     "order": "71",
     "role": "http://www.sibanyegold.co/role/TradeandotherreceivablesTables",
     "shortName": "Trade and other receivables (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfTradeAndOtherReceivablesComponentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfCashAndCashEquivalentsComponentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000072 - Disclosure - Cash and cash equivalents (Tables)",
     "menuCat": "Tables",
     "order": "72",
     "role": "http://www.sibanyegold.co/role/CashandcashequivalentsTables",
     "shortName": "Cash and cash equivalents (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfCashAndCashEquivalentsComponentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R73": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000073 - Disclosure - Stated share capital (Tables)",
     "menuCat": "Tables",
     "order": "73",
     "role": "http://www.sibanyegold.co/role/StatedsharecapitalTables",
     "shortName": "Stated share capital (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfIssuedCapitalExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R74": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfSubsidiariesRelatedToNoncontrollingInterestsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000074 - Disclosure - Non-controlling interests (Tables)",
     "menuCat": "Tables",
     "order": "74",
     "role": "http://www.sibanyegold.co/role/NoncontrollinginterestsTables",
     "shortName": "Non-controlling interests (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfSubsidiariesRelatedToNoncontrollingInterestsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R75": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000075 - Disclosure - Borrowings (Tables)",
     "menuCat": "Tables",
     "order": "75",
     "role": "http://www.sibanyegold.co/role/BorrowingsTables",
     "shortName": "Borrowings (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R76": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfLeasesLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000076 - Disclosure - Lease liabilities (Tables)",
     "menuCat": "Tables",
     "order": "76",
     "role": "http://www.sibanyegold.co/role/LeaseliabilitiesTables",
     "shortName": "Lease liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfLeasesLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R77": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000077 - Disclosure - Environmental rehabilitation obligation and other provisions (Tables)",
     "menuCat": "Tables",
     "order": "77",
     "role": "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsTables",
     "shortName": "Environmental rehabilitation obligation and other provisions (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R78": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOccupationalHealthcareObligationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000078 - Disclosure - Occupational healthcare obligation (Tables)",
     "menuCat": "Tables",
     "order": "78",
     "role": "http://www.sibanyegold.co/role/OccupationalhealthcareobligationTables",
     "shortName": "Occupational healthcare obligation (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfOccupationalHealthcareObligationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R79": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfContractLiabilitiesExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfKeyInputsUsedInMeasurementOfDeferredRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000079 - Disclosure - Deferred revenue (Tables)",
     "menuCat": "Tables",
     "order": "79",
     "role": "http://www.sibanyegold.co/role/DeferredrevenueTables",
     "shortName": "Deferred revenue (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfContractLiabilitiesExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfKeyInputsUsedInMeasurementOfDeferredRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfSummaryOfSignificantAccountingPoliciesExcludingEstimatesAndAssumptionsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000008 - Disclosure - Accounting policies",
     "menuCat": "Notes",
     "order": "8",
     "role": "http://www.sibanyegold.co/role/Accountingpolicies",
     "shortName": "Accounting policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfSummaryOfSignificantAccountingPoliciesExcludingEstimatesAndAssumptionsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R80": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfTradeAndOtherPayablesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000080 - Disclosure - Trade and other payables (Tables)",
     "menuCat": "Tables",
     "order": "80",
     "role": "http://www.sibanyegold.co/role/TradeandotherpayablesTables",
     "shortName": "Trade and other payables (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfTradeAndOtherPayablesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R81": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfCashGeneratedByOperationsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000081 - Disclosure - Cash generated by operations (Tables)",
     "menuCat": "Tables",
     "order": "81",
     "role": "http://www.sibanyegold.co/role/CashgeneratedbyoperationsTables",
     "shortName": "Cash generated by operations (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfCashGeneratedByOperationsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R82": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfChangeInWorkingCapitalTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000082 - Disclosure - Change in working capital (Tables)",
     "menuCat": "Tables",
     "order": "82",
     "role": "http://www.sibanyegold.co/role/ChangeinworkingcapitalTables",
     "shortName": "Change in working capital (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "sbsw:DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:ScheduleOfChangeInWorkingCapitalTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R83": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000083 - Disclosure - Financial instruments and risk management (Tables)",
     "menuCat": "Tables",
     "order": "83",
     "role": "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementTables",
     "shortName": "Financial instruments and risk management (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R84": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfCommitmentsDetailTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000084 - Disclosure - Commitments (Tables)",
     "menuCat": "Tables",
     "order": "84",
     "role": "http://www.sibanyegold.co/role/CommitmentsTables",
     "shortName": "Commitments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfCommitmentsDetailTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R85": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000085 - Disclosure - Related-party transactions (Tables)",
     "menuCat": "Tables",
     "order": "85",
     "role": "http://www.sibanyegold.co/role/RelatedpartytransactionsTables",
     "shortName": "Related-party transactions (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DisclosureOfRelatedPartyExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R86": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000086 - Disclosure - Directors' and prescribed officers' remuneration (Tables)",
     "menuCat": "Tables",
     "order": "86",
     "role": "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationTables",
     "shortName": "Directors' and prescribed officers' remuneration (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": null
    },
    "R87": {
     "firstAnchor": {
      "ancestors": [
       "ifrs-full:DescriptionOfOtherAccountingPoliciesRelevantToUnderstandingOfFinancialStatements",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000087 - Disclosure - Accounting policies (Tables)",
     "menuCat": "Tables",
     "order": "87",
     "role": "http://www.sibanyegold.co/role/AccountingpoliciesTables",
     "shortName": "Accounting policies (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ifrs-full:DescriptionOfOtherAccountingPoliciesRelevantToUnderstandingOfFinancialStatements",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R88": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:DisclosureOfSummaryOfSignificantAccountingPoliciesExcludingEstimatesAndAssumptionsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:NumberOfRegions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "region",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000088 - Disclosure - Accounting policies - Reporting entity (Details)",
     "menuCat": "Details",
     "order": "88",
     "role": "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
     "shortName": "Accounting policies - Reporting entity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "sbsw:DisclosureOfSummaryOfSignificantAccountingPoliciesExcludingEstimatesAndAssumptionsExplanatoryTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:NumberOfRegions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "region",
      "xsiNil": "false"
     }
    },
    "R89": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i07930ec97952469193b4b5a5f55ae7a2_D20220101-20221231",
      "decimals": "2",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:JointVentureOwnershipInterestOfCounterpartyInitial",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000089 - Disclosure - Accounting policies - Consolidation (Details)",
     "menuCat": "Details",
     "order": "89",
     "role": "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
     "shortName": "Accounting policies - Consolidation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "iac65cf882e4244af87f8bb896441c068_I20200110",
      "decimals": "4",
      "lang": "en-US",
      "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000009 - Disclosure - Segment reporting",
     "menuCat": "Notes",
     "order": "9",
     "role": "http://www.sibanyegold.co/role/Segmentreporting",
     "shortName": "Segment reporting",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R90": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000090 - Disclosure - Accounting policies - Comparatives, narrative (Details)",
     "menuCat": "Details",
     "order": "90",
     "role": "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
     "shortName": "Accounting policies - Comparatives, narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "icb49dbf74b3f4be9b02f9a14c61bf1fc_I20200110",
      "decimals": "INF",
      "lang": "en-US",
      "name": "ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R91": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i295e7a18ea8b46d0bff2f20ecf0a4aef_I20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000091 - Disclosure - Accounting policies - Comparatives (Details)",
     "menuCat": "Details",
     "order": "91",
     "role": "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
     "shortName": "Accounting policies - Comparatives (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:ScheduleOfImpactOfRetrospectiveRestatementTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ide372d1b335f4dea8f657f4c931f3a4a_I20211231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:RetainedEarnings",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R92": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000092 - Disclosure - Segment reporting (Details)",
     "menuCat": "Details",
     "order": "92",
     "role": "http://www.sibanyegold.co/role/SegmentreportingDetails",
     "shortName": "Segment reporting (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:NetOtherCashCostsAdjustment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R93": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DeferredIncomeReceived",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000093 - Disclosure - Revenue - Accounting policy (Details)",
     "menuCat": "Details",
     "order": "93",
     "role": "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
     "shortName": "Revenue - Accounting policy (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue",
       "div",
       "ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i8c2aab3ed02747249346dc8f9dd0e64e_D20220101-20221231",
      "decimals": null,
      "lang": "en-US",
      "name": "sbsw:PeriodBetweenProvisionalInvoicingAndFinalPricing",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R94": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:RevenueFromContractsWithCustomers",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000094 - Disclosure - Revenue - Sources of revenue (Details)",
     "menuCat": "Details",
     "order": "94",
     "role": "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
     "shortName": "Revenue - Sources of revenue (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:OtherOperatingIncomeExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R95": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000095 - Disclosure - Revenue - Revenue per product (Details)",
     "menuCat": "Details",
     "order": "95",
     "role": "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
     "shortName": "Revenue - Revenue per product (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfRevenueByProductTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "i242971e9be2c4fde91fe13b223ce1835_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R96": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RevenueFromLargestCustomer",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000096 - Disclosure - Revenue - Narrative (Details)",
     "menuCat": "Details",
     "order": "96",
     "role": "http://www.sibanyegold.co/role/RevenueNarrativeDetails",
     "shortName": "Revenue - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "sbsw:RevenueFromLargestCustomer",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R97": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfPerformanceObligationsExplanatory",
       "ifrs-full:DisclosureOfCostOfSalesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:WagesAndSalaries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000097 - Disclosure - Cost of sales (Details)",
     "menuCat": "Details",
     "order": "97",
     "role": "http://www.sibanyegold.co/role/CostofsalesDetails",
     "shortName": "Cost of sales (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfPerformanceObligationsExplanatory",
       "ifrs-full:DisclosureOfCostOfSalesExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:WagesAndSalaries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R98": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfInterestIncomeExplanatory",
       "div",
       "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InterestIncomeOnCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000098 - Disclosure - Interest income and finance expense (Details)",
     "menuCat": "Details",
     "order": "98",
     "role": "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
     "shortName": "Interest income and finance expense (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfInterestIncomeExplanatory",
       "div",
       "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InterestIncomeOnCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R99": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:InterestPaidClassifiedAsOperatingActivities",
      "reportCount": 1,
      "unitRef": "zar",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "0000099 - Disclosure - Interest income and finance expense - Cash interest (Details)",
     "menuCat": "Details",
     "order": "99",
     "role": "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails",
     "shortName": "Interest income and finance expense - Cash interest (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sbsw:DisclosureOfCashInterestPaidAndReceivedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "ifc9041a5dd38460da0bc8c87a057d926_D20220101-20221231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "sbsw:InterestPaidReceivedClassifiedAsOperatingActivities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "zar",
      "xsiNil": "false"
     }
    },
    "R9999": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sbsw-20221231.htm",
      "contextRef": "id8a64e72ef0241db9912b020a729de22_D20220101-20221231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sbsw:DisclosureOfShareBasedPaymentArrangementPercentileOnPeerGroupTableTextBlock",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "",
     "isDefault": "false",
     "longName": "Uncategorized Items - sbsw-20221231.htm",
     "menuCat": "Cover",
     "order": "198",
     "role": "http://xbrl.sec.gov/role/uncategorizedFacts",
     "shortName": "Uncategorized Items - sbsw-20221231.htm",
     "subGroupType": "",
     "uniqueAnchor": null
    }
   },
   "segmentCount": 310,
   "tag": {
    "country_US": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "UNITED STATES",
        "terseLabel": "United States"
       }
      }
     },
     "localname": "US",
     "nsuri": "http://xbrl.sec.gov/country/2021",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "country_ZA": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "SOUTH AFRICA",
        "terseLabel": "South Africa"
       }
      }
     },
     "localname": "ZA",
     "nsuri": "http://xbrl.sec.gov/country/2021",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AddressTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "An entity may have several addresses for different purposes and this domain represents all such types.",
        "label": "Address Type [Domain]",
        "terseLabel": "Address Type [Domain]"
       }
      }
     },
     "localname": "AddressTypeDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AdrMember": {
     "auth_ref": [
      "r401"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "American Depositary Receipt (or American Depositary Share, ADS).",
        "label": "ADR [Member]",
        "terseLabel": "ADR"
       }
      }
     },
     "localname": "AdrMember",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_AuditorFirmId": {
     "auth_ref": [
      "r402",
      "r403",
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "PCAOB issued Audit Firm Identifier",
        "label": "Auditor Firm ID",
        "terseLabel": "Auditor Firm ID"
       }
      }
     },
     "localname": "AuditorFirmId",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/AuditInformation"
     ],
     "xbrltype": "nonemptySequenceNumberItemType"
    },
    "dei_AuditorLocation": {
     "auth_ref": [
      "r402",
      "r403",
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Location",
        "terseLabel": "Auditor Location"
       }
      }
     },
     "localname": "AuditorLocation",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/AuditInformation"
     ],
     "xbrltype": "internationalNameItemType"
    },
    "dei_AuditorName": {
     "auth_ref": [
      "r402",
      "r403",
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Name",
        "terseLabel": "Auditor Name"
       }
      }
     },
     "localname": "AuditorName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/AuditInformation"
     ],
     "xbrltype": "internationalNameItemType"
    },
    "dei_BusinessContactMember": {
     "auth_ref": [
      "r403",
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Business contact for the entity",
        "label": "Business Contact [Member]",
        "terseLabel": "Business Contact"
       }
      }
     },
     "localname": "BusinessContactMember",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_ContactPersonnelName": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of contact personnel",
        "label": "Contact Personnel Name",
        "terseLabel": "Contact Personnel Name"
       }
      }
     },
     "localname": "ContactPersonnelName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CountryRegion": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Region code of country",
        "label": "Country Region",
        "terseLabel": "Country Region"
       }
      }
     },
     "localname": "CountryRegion",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]",
        "terseLabel": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "xbrltype": "stringItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentAccountingStandard": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The basis of accounting the registrant has used to prepare the financial statements included in this filing This can either be 'U.S. GAAP', 'International Financial Reporting Standards', or 'Other'.",
        "label": "Document Accounting Standard",
        "terseLabel": "Document Accounting Standard"
       }
      }
     },
     "localname": "DocumentAccountingStandard",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "accountingStandardItemType"
    },
    "dei_DocumentAnnualReport": {
     "auth_ref": [
      "r402",
      "r403",
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an annual report.",
        "label": "Document Annual Report",
        "terseLabel": "Document Annual Report"
       }
      }
     },
     "localname": "DocumentAnnualReport",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentRegistrationStatement": {
     "auth_ref": [
      "r397"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a registration statement.",
        "label": "Document Registration Statement",
        "terseLabel": "Document Registration Statement"
       }
      }
     },
     "localname": "DocumentRegistrationStatement",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentShellCompanyReport": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true for a Shell Company Report pursuant to section 13 or 15(d) of the Exchange Act.",
        "label": "Document Shell Company Report",
        "terseLabel": "Document Shell Company Report"
       }
      }
     },
     "localname": "DocumentShellCompanyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r405"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report",
        "terseLabel": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Container to assemble all relevant information about each entity associated with the document instance",
        "label": "Entities [Table]",
        "terseLabel": "Entities [Table]"
       }
      }
     },
     "localname": "EntitiesTable",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine2": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 2 such as Street or Suite number",
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two"
       }
      }
     },
     "localname": "EntityAddressAddressLine2",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine3": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 3 such as an Office Park",
        "label": "Entity Address, Address Line Three",
        "terseLabel": "Entity Address, Address Line Three"
       }
      }
     },
     "localname": "EntityAddressAddressLine3",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCountry": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "ISO 3166-1 alpha-2 country code.",
        "label": "Entity Address, Country",
        "terseLabel": "Entity Address, Country"
       }
      }
     },
     "localname": "EntityAddressCountry",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "countryCodeItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressesAddressTypeAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.",
        "label": "Entity Addresses, Address Type [Axis]",
        "terseLabel": "Entity Addresses, Address Type [Axis]"
       }
      }
     },
     "localname": "EntityAddressesAddressTypeAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityCurrentReportingStatus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status"
       }
      }
     },
     "localname": "EntityCurrentReportingStatus",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
        "label": "Entity [Domain]",
        "terseLabel": "Entity [Domain]"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInformationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Entity Information [Line Items]",
        "terseLabel": "Entity Information [Line Items]"
       }
      }
     },
     "localname": "EntityInformationLineItems",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r406"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityListingsExchangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.",
        "label": "Entity Listings, Exchange [Axis]",
        "terseLabel": "Entity Listings, Exchange [Axis]"
       }
      }
     },
     "localname": "EntityListingsExchangeAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityVoluntaryFilers": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
        "label": "Entity Voluntary Filers",
        "terseLabel": "Entity Voluntary Filers"
       }
      }
     },
     "localname": "EntityVoluntaryFilers",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "auth_ref": [
      "r407"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
        "label": "Entity Well-known Seasoned Issuer",
        "terseLabel": "Entity Well-known Seasoned Issuer"
       }
      }
     },
     "localname": "EntityWellKnownSeasonedIssuer",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_ExchangeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The set of all exchanges. MIC exchange codes are drawn from ISO 10383.",
        "label": "Exchange [Domain]",
        "terseLabel": "Exchange [Domain]"
       }
      }
     },
     "localname": "ExchangeDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_IcfrAuditorAttestationFlag": {
     "auth_ref": [
      "r402",
      "r403",
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICFR Auditor Attestation Flag",
        "terseLabel": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "localname": "IcfrAuditorAttestationFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity [Axis]"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_NoTradingSymbolFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a security having no trading symbol.",
        "label": "No Trading Symbol Flag",
        "terseLabel": "No Trading Symbol Flag"
       }
      }
     },
     "localname": "NoTradingSymbolFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "trueItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r398"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r400"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.sibanyegold.co/role/Cover"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "ifrs-full_AccrualsClassifiedAsCurrent": {
     "auth_ref": [
      "r418"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 2.0,
       "parentTag": "sbsw_CurrentTradeAndOtherPayablesExcludingEmployeeBenefits",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of accruals classified as current. [Refer: Accruals]"
       }
      },
      "en-us": {
       "role": {
        "label": "Accruals classified as current",
        "terseLabel": "Accruals and other creditors"
       }
      }
     },
     "localname": "AccrualsClassifiedAsCurrent",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember": {
     "auth_ref": [
      "r68",
      "r79",
      "r130",
      "r137",
      "r140"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for accumulated depreciation, amortisation and impairment. [Refer: Impairment loss; Depreciation and amortisation expense]"
       }
      },
      "en-us": {
       "role": {
        "label": "Accumulated depreciation, amortisation and impairment [member]",
        "terseLabel": "Accumulated amortisation and impairment"
       }
      }
     },
     "localname": "AccumulatedDepreciationAmortisationAndImpairmentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred": {
     "auth_ref": [
      "r232"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Consideration transferred, acquisition-date fair value",
        "terseLabel": "Consideration",
        "totalLabel": "Total consideration",
        "verboseLabel": "Consideration transferred, acquisition-date fair value"
       }
      }
     },
     "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferred",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition-date fair value of total consideration transferred [abstract]",
        "terseLabel": "Acquisition-date fair value of total consideration transferred [abstract]"
       }
      }
     },
     "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination": {
     "auth_ref": [
      "r235"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of acquisition-related costs recognised as an expense for transactions that are recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination",
        "terseLabel": "Acquisition-related costs"
       }
      }
     },
     "localname": "AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill": {
     "auth_ref": [
      "r131"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase in intangible assets other than goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, intangible assets other than goodwill",
        "terseLabel": "Intangible assets acquired on acquisition of subsidiaries"
       }
      }
     },
     "localname": "AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "auth_ref": [
      "r71"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, property, plant and equipment",
        "terseLabel": "Assets acquired on acquisition of subsidiaries"
       }
      }
     },
     "localname": "AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ActuarialAssumptionOfDiscountRates": {
     "auth_ref": [
      "r427"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial assumption of discount rates",
        "terseLabel": "Real discount rate \u2014 South Africa",
        "verboseLabel": "Discount rate"
       }
      }
     },
     "localname": "ActuarialAssumptionOfDiscountRates",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflation": {
     "auth_ref": [
      "r427"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial assumption of expected rates of inflation",
        "terseLabel": "Inflation rate \u2014 South Africa"
       }
      }
     },
     "localname": "ActuarialAssumptionOfExpectedRatesOfInflation",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets": {
     "auth_ref": [
      "r447"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additional allowance for credit losses of financial assets recognised in profit or loss. [Refer: Allowance account for credit losses of financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additional allowance recognised in profit or loss, allowance account for credit losses of financial assets",
        "terseLabel": "Impairment allowance recognised in profit or loss for the year"
       }
      }
     },
     "localname": "AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionalRecognitionGoodwill": {
     "auth_ref": [
      "r239"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [Refer: Goodwill; Disposal groups classified as held for sale [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additional recognition, goodwill",
        "terseLabel": "Goodwill on acquisition of subsidiaries"
       }
      }
     },
     "localname": "AdditionalRecognitionGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "auth_ref": [
      "r69"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additions other than through business combinations, property, plant and equipment",
        "terseLabel": "Additions"
       }
      }
     },
     "localname": "AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionsToNoncurrentAssets": {
     "auth_ref": [
      "r290",
      "r295"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Financial instruments, class [member]; Non-current assets; Types of insurance contracts [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets, and rights arising under insurance contracts",
        "negatedTotalLabel": "Total capital expenditure"
       }
      }
     },
     "localname": "AdditionsToNoncurrentAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionsToRightofuseAssets": {
     "auth_ref": [
      "r216"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additions to right-of-use assets. [Refer: Right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additions to right-of-use assets",
        "negatedLabel": "Transfers to right-of-use assets",
        "terseLabel": "Additions and modifications"
       }
      }
     },
     "localname": "AdditionsToRightofuseAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustedWeightedAverageShares": {
     "auth_ref": [
      "r110"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average number of ordinary shares used in calculating diluted earnings per share",
        "totalLabel": "Diluted weighted average number of shares (\u2019000)(in shares)"
       }
      }
     },
     "localname": "AdjustedWeightedAverageShares",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod": {
     "auth_ref": [
      "r333"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments of tax expense (income) recognised in the period for current tax of prior periods."
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for current tax of prior periods",
        "negatedLabel": "Prior year royalty tax refund"
       }
      }
     },
     "localname": "AdjustmentsForCurrentTaxOfPriorPeriod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInInventories": {
     "auth_ref": [
      "r436"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in inventories",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "AdjustmentsForDecreaseIncreaseInInventories",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables": {
     "auth_ref": [
      "r439"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in trade and other receivables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other receivables; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in trade and other receivables",
        "terseLabel": "Trade and other receivables"
       }
      }
     },
     "localname": "AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods": {
     "auth_ref": [
      "r420"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments of tax expense (income) recognised in the period for the deferred tax of prior periods."
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for deferred tax of prior periods",
        "negatedLabel": "Prior year adjustment"
       }
      }
     },
     "localname": "AdjustmentsForDeferredTaxOfPriorPeriods",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense": {
     "auth_ref": [
      "r437"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for depreciation and amortisation expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Depreciation and amortisation expense; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for depreciation and amortisation expense",
        "terseLabel": "Amortisation and depreciation"
       }
      }
     },
     "localname": "AdjustmentsForDepreciationAndAmortisationExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForFairValueGainsLosses": {
     "auth_ref": [
      "r437"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for fair value losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for fair value losses (gains)",
        "terseLabel": "Loss on financial instruments"
       }
      }
     },
     "localname": "AdjustmentsForFairValueGainsLosses",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForFinanceCosts": {
     "auth_ref": [
      "r438"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for finance costs to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Finance costs; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for finance costs",
        "terseLabel": "Finance expense"
       }
      }
     },
     "localname": "AdjustmentsForFinanceCosts",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss": {
     "auth_ref": [
      "r437"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Impairment loss (reversal of impairment loss) recognised in profit or loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss",
        "terseLabel": "Impairments/(reversal of impairments)"
       }
      }
     },
     "localname": "AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInContractLiabilities": {
     "auth_ref": [
      "r436"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 12.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for the increase (decrease) in contract liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Contract liabilities; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in contract liabilities",
        "terseLabel": "Deferred revenue recognised"
       }
      }
     },
     "localname": "AdjustmentsForIncreaseDecreaseInContractLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables": {
     "auth_ref": [
      "r439"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in trade and other payables",
        "terseLabel": "Trade and other payables"
       }
      }
     },
     "localname": "AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForInterestIncome": {
     "auth_ref": [
      "r439"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for interest income expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Interest income; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for interest income",
        "negatedLabel": "Interest income"
       }
      }
     },
     "localname": "AdjustmentsForInterestIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments to reconcile profit (loss) [abstract]",
        "terseLabel": "Non-cash adjusting items:",
        "verboseLabel": "Adjusted for:"
       }
      }
     },
     "localname": "AdjustmentsForReconcileProfitLossAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_AdjustmentsForSharebasedPayments": {
     "auth_ref": [
      "r437"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for share-based payments",
        "terseLabel": "Share-based payments"
       }
      }
     },
     "localname": "AdjustmentsForSharebasedPayments",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r439"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for undistributed profits of investments accounted for using the equity method to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Investments accounted for using equity method; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for undistributed profits of investments accounted for using equity method",
        "negatedLabel": "Share of results of equity-accounted investees after tax"
       }
      }
     },
     "localname": "AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains": {
     "auth_ref": [
      "r360",
      "r437"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for unrealised foreign exchange losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for unrealised foreign exchange losses (gains)",
        "terseLabel": "Foreign currency exchange adjustment"
       }
      }
     },
     "localname": "AdjustmentsForUnrealisedForeignExchangeLossesGains",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AggregatedIndividuallyImmaterialAssociatesMember": {
     "auth_ref": [
      "r175",
      "r317",
      "r319"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the aggregation of associates that are individually immaterial. [Refer: Associates [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Aggregated individually immaterial associates [member]",
        "terseLabel": "Other equity-accounted investments"
       }
      }
     },
     "localname": "AggregatedIndividuallyImmaterialAssociatesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AggregatedMeasurementMember": {
     "auth_ref": [
      "r135",
      "r139",
      "r193"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all types of measurement. It also represents the standard value for the 'Measurement' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Aggregated measurement [member]",
        "terseLabel": "Aggregated measurement [member]"
       }
      }
     },
     "localname": "AggregatedMeasurementMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AggregatedTimeBandsMember": {
     "auth_ref": [
      "r27",
      "r207",
      "r220",
      "r221",
      "r254",
      "r304",
      "r305",
      "r307",
      "r313",
      "r340",
      "r380",
      "r385"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated time bands. It also represents the standard value for the 'Maturity' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Aggregated time bands [member]",
        "terseLabel": "Aggregated time bands"
       }
      }
     },
     "localname": "AggregatedTimeBandsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AllLevelsOfFairValueHierarchyMember": {
     "auth_ref": [
      "r83",
      "r194"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all levels of the fair value hierarchy. It also represents the standard value for the 'Levels of fair value hierarchy' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "All levels of fair value hierarchy [member]",
        "terseLabel": "All levels of fair value hierarchy [member]"
       }
      }
     },
     "localname": "AllLevelsOfFairValueHierarchyMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AllOtherSegmentsMember": {
     "auth_ref": [
      "r203",
      "r283"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for business activities and operating segments that are not reportable."
       }
      },
      "en-us": {
       "role": {
        "label": "All other segments [member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "AllOtherSegmentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AllowanceForCreditLossesMember": {
     "auth_ref": [
      "r422"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for an allowance account used to record impairments to financial assets due to credit losses."
       }
      },
      "en-us": {
       "role": {
        "label": "Allowance for credit losses [member]",
        "terseLabel": "Financial instruments"
       }
      }
     },
     "localname": "AllowanceForCreditLossesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill": {
     "auth_ref": [
      "r132"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Amortisation, intangible assets other than goodwill",
        "negatedTerseLabel": "Charge for the year"
       }
      }
     },
     "localname": "AmortisationIntangibleAssetsOtherThanGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AmountsPayableRelatedPartyTransactions": {
     "auth_ref": [
      "r94",
      "r98"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amounts payable resulting from related party transactions. [Refer: Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Amounts payable, related party transactions",
        "negatedLabel": "Trade payable"
       }
      }
     },
     "localname": "AmountsPayableRelatedPartyTransactions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]",
        "terseLabel": "Identifiable assets acquired and liabilities assumed [abstract]"
       }
      }
     },
     "localname": "AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_Assets": {
     "auth_ref": [
      "r24",
      "r193",
      "r194",
      "r196",
      "r288",
      "r293"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      },
      "en-us": {
       "role": {
        "label": "Assets",
        "terseLabel": "Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_AuthorisedCapitalCommitmentsButNotContractedFor": {
     "auth_ref": [
      "r413"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of capital commitments that have been authorised by the entity, but for which the entity has not entered into a contract. [Refer: Capital commitments]"
       }
      },
      "en-us": {
       "role": {
        "label": "Authorised capital commitments but not contracted for",
        "terseLabel": "Authorised capital expenditure"
       }
      }
     },
     "localname": "AuthorisedCapitalCommitmentsButNotContractedFor",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AverageEffectiveTaxRate": {
     "auth_ref": [
      "r61"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]"
       }
      },
      "en-us": {
       "role": {
        "label": "Average effective tax rate",
        "terseLabel": "Average effective tax rate"
       }
      }
     },
     "localname": "AverageEffectiveTaxRate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_AverageForeignExchangeRate": {
     "auth_ref": [
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies."
       }
      },
      "en-us": {
       "role": {
        "label": "Average foreign exchange rate",
        "terseLabel": "Average foreign exchange rate (R/US$ rate)",
        "verboseLabel": "Average foreign exchange rate (R per USD/GBP/EUR)"
       }
      }
     },
     "localname": "AverageForeignExchangeRate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_AveragePriceOfHedgingInstrument": {
     "auth_ref": [
      "r255"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The average price of a hedging instrument. [Refer: Hedging instruments [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Average price of hedging instrument",
        "verboseLabel": "Average price (in ZAR/USD per kilogram/Ounce)"
       }
      }
     },
     "localname": "AveragePriceOfHedgingInstrument",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_BankBorrowingsUndiscountedCashFlows": {
     "auth_ref": [
      "r382",
      "r386"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to bank borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Bank borrowings, undiscounted cash flows",
        "terseLabel": "US$600 million RCF"
       }
      }
     },
     "localname": "BankBorrowingsUndiscountedCashFlows",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_BasicEarningsLossPerShare": {
     "auth_ref": [
      "r107",
      "r108"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator)."
       }
      },
      "en-us": {
       "role": {
        "label": "Basic earnings (loss) per share",
        "terseLabel": "Basic earnings per share (in ZAR per share)",
        "verboseLabel": "Basic EPS (in ZAR cents per share)"
       }
      }
     },
     "localname": "BasicEarningsLossPerShare",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_BasicEarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Basic earnings per share [abstract]",
        "terseLabel": "Earnings per share attributable to owners of Sibanye-Stillwater"
       }
      }
     },
     "localname": "BasicEarningsPerShareAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_Borrowings": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of outstanding funds that the entity is obligated to repay."
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at beginning of the year",
        "terseLabel": "Borrowings",
        "totalLabel": "Borrowings"
       }
      }
     },
     "localname": "Borrowings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_BorrowingsAdjustmentToInterestRateBasis": {
     "auth_ref": [
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings, adjustment to interest rate basis",
        "verboseLabel": "Interest rate margin"
       }
      }
     },
     "localname": "BorrowingsAdjustmentToInterestRateBasis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_BorrowingsByNameAxis": {
     "auth_ref": [
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings by name [axis]",
        "terseLabel": "Borrowings by name [axis]"
       }
      }
     },
     "localname": "BorrowingsByNameAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_BorrowingsByNameMember": {
     "auth_ref": [
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all borrowings when disaggregated by name. It also represents the standard value for the 'Borrowings by name' axis if no other member is used. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings by name [member]",
        "terseLabel": "Borrowings by name"
       }
      }
     },
     "localname": "BorrowingsByNameMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_BorrowingsInterestRate": {
     "auth_ref": [
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The interest rate on borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings, interest rate",
        "terseLabel": "Interest rate (as a percent)"
       }
      }
     },
     "localname": "BorrowingsInterestRate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_BorrowingsRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r444"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for borrowings assumed in a business combination. [Refer: Borrowings; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings recognised as of acquisition date",
        "negatedTerseLabel": "Borrowings",
        "terseLabel": "Borrowings on acquisition of subsidiary"
       }
      }
     },
     "localname": "BorrowingsRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_BottomOfRangeMember": {
     "auth_ref": [
      "r199",
      "r223",
      "r307",
      "r364",
      "r366",
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the bottom of a range."
       }
      },
      "en-us": {
       "role": {
        "label": "Bottom of range [member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "BottomOfRangeMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_BusinessCombinationsAxis": {
     "auth_ref": [
      "r238"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Business combinations [axis]",
        "terseLabel": "Business combinations [axis]"
       }
      }
     },
     "localname": "BusinessCombinationsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CapitalCommitmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Capital commitments [abstract]",
        "terseLabel": "Capital commitments [abstract]"
       }
      }
     },
     "localname": "CapitalCommitmentsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": {
     "auth_ref": [
      "r68",
      "r76",
      "r130",
      "r134",
      "r136",
      "r137",
      "r138",
      "r139",
      "r140",
      "r242",
      "r262",
      "r263",
      "r448",
      "r449"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]",
        "terseLabel": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]"
       }
      }
     },
     "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CarryingAmountMember": {
     "auth_ref": [
      "r76",
      "r134",
      "r136",
      "r138",
      "r139",
      "r242",
      "r262",
      "r263",
      "r395",
      "r396"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the amount at which an asset is recognised in the statement of financial position (after deducting any accumulated depreciation or amortisation and accumulated impairment losses). It also represents the standard value for the 'Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount' axis if no other member is used. [Refer: Depreciation and amortisation expense; Impairment loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Carrying amount [member]",
        "terseLabel": "Carrying amount [member]"
       }
      }
     },
     "localname": "CarryingAmountMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Cash": {
     "auth_ref": [
      "r440"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashandcashequivalentsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash on hand and demand deposits. [Refer: Cash on hand]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash",
        "terseLabel": "Cash at the bank, on hand and cash equivalents"
       }
      }
     },
     "localname": "Cash",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashandcashequivalentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r352"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 9.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash advances and loans made to other parties (other than advances and loans made by a financial institution), classified as investing activities."
       }
      }
     },
     "localname": "CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashAndCashEquivalents": {
     "auth_ref": [
      "r18",
      "r152",
      "r184"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashandcashequivalentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 3.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents",
        "periodEndLabel": "Cash and cash equivalents at end of the year",
        "periodStartLabel": "Cash and cash equivalents at beginning of the year",
        "terseLabel": "Cash and cash equivalents",
        "totalLabel": "Total cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalents",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashandcashequivalentsDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashAndCashEquivalentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents [abstract]",
        "terseLabel": "Cash and cash equivalents [abstract]"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r444"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents recognised as of acquisition date",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r148"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The aggregate cash flows arising from losing control of subsidiaries or other businesses, classified as investing activities. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from losing control of subsidiaries or other businesses, classified as investing activities",
        "terseLabel": "Proceeds on disposal of subsidiary"
       }
      }
     },
     "localname": "CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivities": {
     "auth_ref": [
      "r141",
      "r154"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 3.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities",
        "totalLabel": "Net cash used in financing activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInFinancingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities [abstract]",
        "terseLabel": "Cash flow from financing activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivities": {
     "auth_ref": [
      "r141",
      "r154"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities",
        "totalLabel": "Net cash used in investing activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities [abstract]",
        "terseLabel": "Cash flow from investing activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivities": {
     "auth_ref": [
      "r141",
      "r154"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities",
        "totalLabel": "Net cash from operating activities",
        "verboseLabel": "Cash from operating activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperatingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities [abstract]",
        "terseLabel": "Cash flows from operating activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperations": {
     "auth_ref": [
      "r358",
      "r360"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash from (used in) the entity's operations."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operations",
        "totalLabel": "Total cash generated by operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperations",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital": {
     "auth_ref": [
      "r360",
      "r439"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow (outflow) from the entity's operations before changes in working capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operations before changes in working capital",
        "terseLabel": "Cash generated by operations",
        "totalLabel": "Total cash generated by operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r148"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 4.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities",
        "negatedLabel": "Acquisition of subsidiaries, net of cash acquired"
       }
      }
     },
     "localname": "CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashTransferred": {
     "auth_ref": [
      "r230"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash transferred",
        "negatedTerseLabel": "Cash",
        "terseLabel": "Cash",
        "verboseLabel": "Cash consideration"
       }
      }
     },
     "localname": "CashTransferred",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CategoriesOfFinancialAssetsAxis": {
     "auth_ref": [
      "r278"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Categories of financial assets [axis]",
        "terseLabel": "Categories of financial assets [axis]"
       }
      }
     },
     "localname": "CategoriesOfFinancialAssetsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CategoriesOfRelatedPartiesAxis": {
     "auth_ref": [
      "r97"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Categories of related parties [axis]",
        "terseLabel": "Categories of related parties [axis]"
       }
      }
     },
     "localname": "CategoriesOfRelatedPartiesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ChangesInEquity": {
     "auth_ref": [
      "r7"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity. [Refer: Equity]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in equity",
        "terseLabel": "Increase (decrease) in equity"
       }
      }
     },
     "localname": "ChangesInEquity",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ClassesOfAssetsAxis": {
     "auth_ref": [
      "r114",
      "r117",
      "r197",
      "r218"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of assets [axis]",
        "terseLabel": "Classes of assets [axis]"
       }
      }
     },
     "localname": "ClassesOfAssetsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfAssetsMember": {
     "auth_ref": [
      "r114",
      "r197",
      "r218"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of assets' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Assets [member]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "ClassesOfAssetsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ClassesOfFinancialAssetsAxis": {
     "auth_ref": [
      "r271",
      "r272",
      "r303",
      "r314",
      "r315",
      "r316"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of financial assets [axis]",
        "terseLabel": "Classes of financial assets [axis]"
       }
      }
     },
     "localname": "ClassesOfFinancialAssetsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfFinancialInstrumentsAxis": {
     "auth_ref": [
      "r262",
      "r264",
      "r266",
      "r267"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of financial instruments [axis]",
        "terseLabel": "Classes of financial instruments [axis]"
       }
      }
     },
     "localname": "ClassesOfFinancialInstrumentsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfFinancialInstrumentsMember": {
     "auth_ref": [
      "r262",
      "r264",
      "r266",
      "r267"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial instruments. Financial instruments are contracts that give rise to a financial asset of one entity and a financial liability or equity instrument of another entity. It also represents the standard value for the 'Classes of financial instruments' axis if no other member is used. [Refer: Financial assets; Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial instruments, class [member]",
        "terseLabel": "Financial instruments, class"
       }
      }
     },
     "localname": "ClassesOfFinancialInstrumentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ClassesOfFinancialLiabilitiesAxis": {
     "auth_ref": [
      "r271",
      "r272",
      "r303",
      "r315"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of financial liabilities [axis]",
        "terseLabel": "Classes of financial liabilities [axis]"
       }
      }
     },
     "localname": "ClassesOfFinancialLiabilitiesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfInventoriesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of current inventories [abstract]",
        "terseLabel": "Classes of current inventories [abstract]"
       }
      }
     },
     "localname": "ClassesOfInventoriesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfLiabilitiesAxis": {
     "auth_ref": [
      "r197"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of liabilities [axis]",
        "terseLabel": "Classes of liabilities [axis]"
       }
      }
     },
     "localname": "ClassesOfLiabilitiesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": {
     "auth_ref": [
      "r77"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of property, plant and equipment [axis]",
        "terseLabel": "Classes of property, plant and equipment [axis]"
       }
      }
     },
     "localname": "ClassesOfPropertyPlantAndEquipmentAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfProvisionsAxis": {
     "auth_ref": [
      "r128"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of other provisions [axis]",
        "terseLabel": "Classes of other provisions [axis]"
       }
      }
     },
     "localname": "ClassesOfProvisionsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfShareCapitalAxis": {
     "auth_ref": [
      "r36"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of share capital [axis]",
        "terseLabel": "Classes of share capital [axis]"
       }
      }
     },
     "localname": "ClassesOfShareCapitalAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfShareCapitalMember": {
     "auth_ref": [
      "r36"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for share capital of the entity. It also represents the standard value for the 'Classes of share capital' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Share capital [member]",
        "terseLabel": "Share capital"
       }
      }
     },
     "localname": "ClassesOfShareCapitalMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ClosingForeignExchangeRate": {
     "auth_ref": [
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery."
       }
      },
      "en-us": {
       "role": {
        "label": "Closing foreign exchange rate",
        "terseLabel": "Closing foreign exchange rate",
        "verboseLabel": "Exchange rates (in ZAR per USD)"
       }
      }
     },
     "localname": "ClosingForeignExchangeRate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_CommitmentsMadeByEntityRelatedPartyTransactions": {
     "auth_ref": [
      "r344"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of related-party commitments made by the entity to do something if a particular event occurs or does not occur in the future, including executory contracts (recognised and unrecognised). [Refer: Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Commitments made by entity, related party transactions",
        "terseLabel": "Commitments made by entity, related party transactions"
       }
      }
     },
     "localname": "CommitmentsMadeByEntityRelatedPartyTransactions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CommodityPriceRiskMember": {
     "auth_ref": [
      "r377",
      "r387"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of other price risk that represents the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in commodity prices. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Commodity price risk [member]",
        "terseLabel": "Commodity price risk"
       }
      }
     },
     "localname": "CommodityPriceRiskMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ComponentsOfEquityAxis": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Components of equity [axis]",
        "terseLabel": "Components of equity [axis]"
       }
      }
     },
     "localname": "ComponentsOfEquityAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ComprehensiveIncome": {
     "auth_ref": [
      "r2",
      "r40",
      "r163",
      "r165",
      "r181",
      "r362"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome_1": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners."
       }
      },
      "en-us": {
       "role": {
        "label": "Comprehensive income",
        "terseLabel": "Total comprehensive income",
        "totalLabel": "Total comprehensive income",
        "verboseLabel": "Total comprehensive income for the year"
       }
      }
     },
     "localname": "ComprehensiveIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ComprehensiveIncomeAttributableToAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Comprehensive income attributable to [abstract]",
        "terseLabel": "Attributable to:"
       }
      }
     },
     "localname": "ComprehensiveIncomeAttributableToAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests": {
     "auth_ref": [
      "r2",
      "r43"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome_1": {
       "order": 1.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to non-controlling interests. [Refer: Comprehensive income; Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Comprehensive income, attributable to non-controlling interests",
        "terseLabel": "Non-controlling interests"
       }
      }
     },
     "localname": "ComprehensiveIncomeAttributableToNoncontrollingInterests",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent": {
     "auth_ref": [
      "r2",
      "r44"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome_1": {
       "order": 2.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to owners of the parent. [Refer: Comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Comprehensive income, attributable to owners of parent",
        "terseLabel": "Owners of Sibanye-Stillwater"
       }
      }
     },
     "localname": "ComprehensiveIncomeAttributableToOwnersOfParent",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ComputerEquipmentMember": {
     "auth_ref": [
      "r424"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing computer equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Computer equipment [member]",
        "terseLabel": "Computers"
       }
      }
     },
     "localname": "ComputerEquipmentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ConsiderationPaidReceived": {
     "auth_ref": [
      "r149"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of consideration paid or received in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Consideration paid (received)",
        "negatedLabel": "Consideration received",
        "terseLabel": "Consideration paid"
       }
      }
     },
     "localname": "ConsiderationPaidReceived",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis": {
     "auth_ref": [
      "r106"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Consolidated and separate financial statements [axis]",
        "terseLabel": "Consolidated and separate financial statements [axis]"
       }
      }
     },
     "localname": "ConsolidatedAndSeparateFinancialStatementsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ConsolidatedMember": {
     "auth_ref": [
      "r106"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the financial statements of a group in which the assets, liabilities, equity, income, expenses and cash flows of the parent and its subsidiaries are presented as those of a single economic entity. It also represents the standard value for the 'Consolidated and separate financial statements' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Consolidated [member]",
        "terseLabel": "Consolidated"
       }
      }
     },
     "localname": "ConsolidatedMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ContingentConsiderationMember": {
     "auth_ref": [
      "r442"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for an obligation of the acquirer to transfer additional assets or equity interests to the former owners of an acquiree as part of the exchange for control of the acquiree if specified future events occur or conditions are met."
       }
      },
      "en-us": {
       "role": {
        "label": "Contingent consideration [member]",
        "terseLabel": "Contingent consideration"
       }
      }
     },
     "localname": "ContingentConsiderationMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r233"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": 5.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount, at acquisition date, of contingent consideration arrangements recognised as consideration transferred in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Contingent consideration recognised as of acquisition date",
        "verboseLabel": "Contingent consideration (related to SFA (Oxford) acquisition)"
       }
      }
     },
     "localname": "ContingentConsiderationRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ContractLiabilities": {
     "auth_ref": [
      "r200",
      "r204"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of an entity\u2019s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer."
       }
      },
      "en-us": {
       "role": {
        "label": "Contract liabilities",
        "periodEndLabel": "Balance at the end of the year",
        "periodStartLabel": "Balance at beginning of the year"
       }
      }
     },
     "localname": "ContractLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ContractLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contract liabilities [abstract]",
        "terseLabel": "Contract liabilities [abstract]"
       }
      }
     },
     "localname": "ContractLiabilitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ContractualCapitalCommitments": {
     "auth_ref": [
      "r413"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]"
       }
      },
      "en-us": {
       "role": {
        "label": "Contractual capital commitments",
        "terseLabel": "Contracted for capital expenditure"
       }
      }
     },
     "localname": "ContractualCapitalCommitments",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CostOfSales": {
     "auth_ref": [
      "r0",
      "r55"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 4.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/CostofsalesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories."
       }
      },
      "en-us": {
       "role": {
        "label": "Cost of sales",
        "negatedLabel": "Cost of sales",
        "negatedTotalLabel": "Total cost of sales"
       }
      }
     },
     "localname": "CostOfSales",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CounterpartiesAxis": {
     "auth_ref": [
      "r280"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Counterparties [axis]",
        "terseLabel": "Counterparties [axis]"
       }
      }
     },
     "localname": "CounterpartiesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CounterpartiesMember": {
     "auth_ref": [
      "r280"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the parties to the transaction other than the entity. It also represents the standard value for the 'Counterparties' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Counterparties [member]",
        "terseLabel": "Counterparties [member]"
       }
      }
     },
     "localname": "CounterpartiesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CountryOfDomicileMember": {
     "auth_ref": [
      "r298",
      "r299"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the country in which the entity is registered and where it has its legal address or registered office."
       }
      },
      "en-us": {
       "role": {
        "label": "Country of domicile [member]",
        "terseLabel": "South Africa"
       }
      }
     },
     "localname": "CountryOfDomicileMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis": {
     "auth_ref": [
      "r262",
      "r266"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Credit impairment of financial instruments [axis]",
        "terseLabel": "Credit impairment of financial instruments [axis]"
       }
      }
     },
     "localname": "CreditImpairmentOfFinancialInstrumentsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CreditImpairmentOfFinancialInstrumentsMember": {
     "auth_ref": [
      "r262",
      "r266"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all statuses of credit impairment of financial instruments. A financial instrument is credit-impaired when one or more events that have a detrimental impact on the estimated future cash flows of that financial instrument have occurred. This member also represents the standard value for the 'Credit impairment of financial instruments' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Credit impairment of financial instruments [member]",
        "terseLabel": "Credit impairment of financial instruments"
       }
      }
     },
     "localname": "CreditImpairmentOfFinancialInstrumentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CurrencyRiskMember": {
     "auth_ref": [
      "r282",
      "r308",
      "r309",
      "r310",
      "r311"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in foreign exchange rates. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Currency risk [member]",
        "terseLabel": "Currency risk"
       }
      }
     },
     "localname": "CurrencyRiskMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CurrentAssets": {
     "auth_ref": [
      "r28",
      "r177",
      "r362"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_NetAssetsLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current assets",
        "terseLabel": "Current assets",
        "totalLabel": "Current assets"
       }
      }
     },
     "localname": "CurrentAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_Borrowings",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current borrowings and current portion of non-current borrowings",
        "negatedLabel": "Current portion of borrowings",
        "terseLabel": "Borrowings"
       }
      }
     },
     "localname": "CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentContractLiabilities": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 6.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_ContractLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current contract liabilities. [Refer: Contract liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current contract liabilities",
        "negatedLabel": "Current portion of deferred revenue",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "CurrentContractLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentFinancialLiabilities": {
     "auth_ref": [
      "r257"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current financial liabilities. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current financial liabilities",
        "negatedLabel": "Current financial liabilities"
       }
      }
     },
     "localname": "CurrentFinancialLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentInterestReceivable": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_FinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current interest receivable. [Refer: Interest receivable]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current interest receivable",
        "terseLabel": "Interest receivable"
       }
      }
     },
     "localname": "CurrentInterestReceivable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentLeaseLiabilities": {
     "auth_ref": [
      "r210"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_LeaseLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current lease liabilities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current lease liabilities",
        "negatedLabel": "Current portion of lease liabilities",
        "terseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "CurrentLeaseLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentLiabilities": {
     "auth_ref": [
      "r29",
      "r179",
      "r362"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 3.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_NetAssetsLiabilities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Expiry date 2023-01-01: The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have an unconditional right to defer settlement for at least twelve months after the reporting period.\nEffective 2023-01-01: The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have the right at the end of the reporting period to defer settlement for at least twelve months after the reporting period."
       }
      },
      "en-us": {
       "role": {
        "label": "Current liabilities",
        "negatedLabel": "Current liabilities",
        "negatedTerseLabel": "Current liabilities",
        "negatedTotalLabel": "Current liabilities",
        "totalLabel": "Current liabilities"
       }
      }
     },
     "localname": "CurrentLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices": {
     "auth_ref": [
      "r429"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of materials and supplies to be consumed in a production process or while rendering services. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current materials and supplies to be consumed in production process or rendering services",
        "terseLabel": "Consumable stores"
       }
      }
     },
     "localname": "CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentOreStockpiles": {
     "auth_ref": [
      "r429"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of ore stockpiles. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current ore stockpiles",
        "terseLabel": "PGM ore and mill inventory"
       }
      }
     },
     "localname": "CurrentOreStockpiles",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentPrepayments": {
     "auth_ref": [
      "r327"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current prepayments. [Refer: Prepayments]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current prepayments",
        "terseLabel": "Prepayments"
       }
      }
     },
     "localname": "CurrentPrepayments",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentTaxAssets": {
     "auth_ref": [
      "r20"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails": {
       "order": 1.0,
       "parentTag": "sbsw_NetTaxAndRoyalties",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The excess of amount paid for current tax in respect of current and prior periods over the amount due for those periods. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period."
       }
      },
      "en-us": {
       "role": {
        "label": "Current tax assets",
        "negatedLabel": "Tax receivable",
        "terseLabel": "Tax receivable"
       }
      }
     },
     "localname": "CurrentTaxAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentTaxExpenseIncome": {
     "auth_ref": [
      "r332"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period."
       }
      },
      "en-us": {
       "role": {
        "label": "Current tax expense (income)",
        "negatedLabel": "Current taxation",
        "negatedTotalLabel": "Current tax"
       }
      }
     },
     "localname": "CurrentTaxExpenseIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentTaxLiabilitiesNoncurrent": {
     "auth_ref": [
      "r20"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 9.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The non-current amount of current tax liabilities. [Refer: Current tax liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current tax liabilities, non-current",
        "terseLabel": "Tax and royalties payable",
        "verboseLabel": "Non-current portion of tax, carbon tax and royalties payable"
       }
      }
     },
     "localname": "CurrentTaxLiabilitiesNoncurrent",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentTradeReceivables": {
     "auth_ref": [
      "r325",
      "r327"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_FinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current trade receivables. [Refer: Trade receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current trade receivables",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at beginning of the year",
        "terseLabel": "Current trade receivables"
       }
      }
     },
     "localname": "CurrentTradeReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentValueAddedTaxPayables": {
     "auth_ref": [
      "r418"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current value added tax payables. [Refer: Value added tax payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current value added tax payables",
        "terseLabel": "VAT payable"
       }
      }
     },
     "localname": "CurrentValueAddedTaxPayables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentValueAddedTaxReceivables": {
     "auth_ref": [
      "r417"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current value added tax receivables. [Refer: Value added tax receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current value added tax receivables",
        "terseLabel": "Value added tax"
       }
      }
     },
     "localname": "CurrentValueAddedTaxReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities": {
     "auth_ref": [
      "r367"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease in contract liabilities resulting from the performance obligation being satisfied. [Refer: Contract liabilities; Performance obligations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Decrease through performance obligation being satisfied, contract liabilities",
        "negatedLabel": "Deferred revenue recognised during the period"
       }
      }
     },
     "localname": "DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised": {
     "auth_ref": [
      "r62"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deductible temporary differences for which no deferred tax asset is recognised",
        "terseLabel": "Other deductible temporary differences"
       }
      }
     },
     "localname": "DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredIncomeIncludingContractLiabilitiesRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r444"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for deferred income including contract liabilities assumed in a business combination. [Refer: Deferred income including contract liabilities; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred income including contract liabilities recognised as of acquisition date",
        "terseLabel": "Deferred income including contract liabilities recognised as of acquisition date"
       }
      }
     },
     "localname": "DeferredIncomeIncludingContractLiabilitiesRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxAssets": {
     "auth_ref": [
      "r21",
      "r25",
      "r63"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_DeferredTaxLiabilityAsset",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax assets",
        "negatedLabel": "Deferred tax assets"
       }
      }
     },
     "localname": "DeferredTaxAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss": {
     "auth_ref": [
      "r64"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) recognised in profit or loss",
        "negatedLabel": "Deferred taxation",
        "negatedTotalLabel": "Deferred tax",
        "terseLabel": "Deferred tax recognised in profit or loss"
       }
      }
     },
     "localname": "DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences": {
     "auth_ref": [
      "r334"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deferred tax expense or income relating to the creation or reversal of temporary differences. [Refer: Temporary differences [member]; Deferred tax expense (income)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) relating to origination and reversal of temporary differences",
        "negatedLabel": "Deferred tax charge"
       }
      }
     },
     "localname": "DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes": {
     "auth_ref": [
      "r335"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deferred tax expense or income relating to tax rate changes or the imposition of new taxes. [Refer: Deferred tax expense (income)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) relating to tax rate changes or imposition of new taxes",
        "negatedLabel": "Deferred tax rate adjustment"
       }
      }
     },
     "localname": "DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxLiabilities": {
     "auth_ref": [
      "r21",
      "r25",
      "r63"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_DeferredTaxLiabilityAsset",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax liabilities",
        "terseLabel": "Deferred tax liabilities"
       }
      }
     },
     "localname": "DeferredTaxLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxLiabilityAsset": {
     "auth_ref": [
      "r63"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax liability (asset)",
        "periodEndLabel": "Deferred tax liability (asset) at end of period",
        "periodStartLabel": "Deferred tax liability (asset) at beginning of period",
        "totalLabel": "Net deferred tax liabilities"
       }
      }
     },
     "localname": "DeferredTaxLiabilityAsset",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DepreciationAndAmortisationExpense": {
     "auth_ref": [
      "r1",
      "r55",
      "r185",
      "r285",
      "r295",
      "r322"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 1.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/CostofsalesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_CostOfSales",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives."
       }
      },
      "en-us": {
       "role": {
        "label": "Depreciation and amortisation expense",
        "negatedLabel": "Amortisation and depreciation",
        "verboseLabel": "Amortisation and depreciation"
       }
      }
     },
     "localname": "DepreciationAndAmortisationExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CostofsalesDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DepreciationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r74",
      "r78"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Depreciation, property, plant and equipment",
        "terseLabel": "Amortisation and depreciation"
       }
      }
     },
     "localname": "DepreciationPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DepreciationRightofuseAssets": {
     "auth_ref": [
      "r211"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Depreciation, right-of-use assets",
        "negatedLabel": "Depreciation"
       }
      }
     },
     "localname": "DepreciationRightofuseAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DerivativeFinancialAssets": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails_1": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Derivative financial assets",
        "terseLabel": "Palladium hedge derivative asset"
       }
      }
     },
     "localname": "DerivativeFinancialAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DerivativesMember": {
     "auth_ref": [
      "r363",
      "r365",
      "r378",
      "r388"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the \u2018underlying\u2019); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Derivatives [member]",
        "terseLabel": "Derivatives"
       }
      }
     },
     "localname": "DerivativesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for borrowings [text block]",
        "terseLabel": "Borrowings"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForBorrowingsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for business combinations and goodwill. [Refer: Business combinations [member]; Goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for business combinations and goodwill [text block]",
        "terseLabel": "Acquisitions"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for contingent liabilities and contingent assets. [Refer: Contingent liabilities [member]; Description of nature of contingent assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for contingent liabilities and contingent assets [text block]",
        "terseLabel": "Contingent liabilities"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for decommissioning, restoration and rehabilitation provisions. [Refer: Provision for decommissioning, restoration and rehabilitation costs]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for decommissioning, restoration and rehabilitation provisions [text block]",
        "terseLabel": "Environmental rehabilitation obligation"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for derivative financial instruments. [Refer: Financial instruments, class [member]; Derivatives [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for derivative financial instruments [text block]",
        "terseLabel": "Derivative financial instruments"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for dividends. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for dividends [text block]",
        "terseLabel": "Dividends"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForDividendsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for earnings per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for earnings per share [text block]",
        "terseLabel": "Earnings per share"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForEarningsPerShareExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for employee benefits. Employee benefits are all forms of consideration given by an entity in exchange for services rendered by employees or for the termination of employment."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for employee benefits [text block]",
        "terseLabel": "Short-term employee benefits"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for financial instruments. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for financial instruments [text block]",
        "terseLabel": "Financial instruments and risk management"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for foreign currency translation."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for foreign currency translation [text block]",
        "terseLabel": "Transactions and balances and foreign operations"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for the currency of the primary economic environment in which the entity operates."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for functional currency [text block]",
        "terseLabel": "Functional and presentation currency"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for goodwill. [Refer: Goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for goodwill [text block]",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForGoodwillExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for income tax."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for income tax [text block]",
        "terseLabel": "Income taxes"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForIncomeTaxExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for income and expense arising from interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for interest income and expense [text block]",
        "terseLabel": "Interest income and Finance expense"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for investment in associates and joint ventures. [Refer: Associates [member]; Joint ventures [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for investment in associates and joint ventures [text block]",
        "terseLabel": "Equity-accounted investments"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for issued capital. [Refer: Issued capital]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for issued capital [text block]",
        "terseLabel": "Stated share capital"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForIssuedCapitalExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for leases. A lease is an agreement whereby the lessor conveys to the lessee in return for a payment or series of payments the right to use an asset for an agreed period of time."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for leases [text block]",
        "terseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForLeasesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories": {
     "auth_ref": [
      "r85"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for measuring inventories. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for measuring inventories [text block]",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForMeasuringInventories",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for property, plant and equipment [text block]",
        "terseLabel": "Property, plant and equipment"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for recognising revenue. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for recognition of revenue [text block]",
        "terseLabel": "Revenue"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForRecognitionOfRevenue",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for segment reporting."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for segment reporting [text block]",
        "terseLabel": "Segment reporting"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForSegmentReportingExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for share-based payment transactions [text block]",
        "terseLabel": "Share-based payments"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for subsidiaries. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for subsidiaries [text block]",
        "terseLabel": "Subsidiaries"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForSubsidiariesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for termination benefits. [Refer: Termination benefits expense]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for termination benefits [text block]",
        "terseLabel": "Pension and provident funds"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForTerminationBenefits",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for trade and other payables. [Refer: Trade and other payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for trade and other payables [text block]",
        "terseLabel": "Trade and other payables"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for trade and other receivables. [Refer: Trade and other receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for trade and other receivables [text block]",
        "terseLabel": "Trade and other receivables"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for transactions with non-controlling interests. [Refer: Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for transactions with non-controlling interests [text block]",
        "terseLabel": "Non-controlling interests"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory": {
     "auth_ref": [
      "r414"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for transactions with related parties. [Refer: Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for transactions with related parties [text block]",
        "terseLabel": "Transactions with shareholders"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents": {
     "auth_ref": [
      "r153"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy used to determine the components of cash and cash equivalents. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for determining components of cash and cash equivalents [text block]",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections": {
     "auth_ref": [
      "r121",
      "r122"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Discount rate applied to cash flow projections",
        "terseLabel": "Nominal discount rate"
       }
      }
     },
     "localname": "DescriptionOfDiscountRatesAppliedToCashFlowProjections",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit."
       }
      },
      "en-us": {
       "role": {
        "label": "Discount rate used in current estimate of value in use",
        "terseLabel": "Discount rate used in current estimate of value in use"
       }
      }
     },
     "localname": "DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the known or reasonably estimable information relevant to assessing the possible impact that the application of a new IFRS, that has been issued but is not yet effective, will have."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of expected impact of initial application of new standards or interpretations [text block]",
        "terseLabel": "Disclosure of expected impact of initial application of new standards or interpretations"
       }
      }
     },
     "localname": "DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": {
     "auth_ref": [
      "r225"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time."
       }
      },
      "en-us": {
       "role": {
        "label": "Expected volatility, share options granted",
        "terseLabel": "Weighted average historical volatility (based on a statistical analysis of the share price on a weighted moving average basis for the expected term of the option) %"
       }
      }
     },
     "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DescriptionOfInitialApplicationOfStandardsOrInterpretations": {
     "auth_ref": [
      "r156"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the initial application of an IFRS. [Refer: IFRSs [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of initial application of standards or interpretations [text block]",
        "terseLabel": "Disclosure of initial application of standards or interpretations"
       }
      }
     },
     "localname": "DescriptionOfInitialApplicationOfStandardsOrInterpretations",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfOtherAccountingPoliciesRelevantToUnderstandingOfFinancialStatements": {
     "auth_ref": [
      "r10"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of accounting policies relevant to an understanding of financial statements, which the entity does not separately disclose."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of other accounting policies relevant to understanding of financial statements [text block]",
        "terseLabel": "Basis of preparation"
       }
      }
     },
     "localname": "DescriptionOfOtherAccountingPoliciesRelevantToUnderstandingOfFinancialStatements",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": {
     "auth_ref": [
      "r225"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Risk free interest rate, share options granted",
        "terseLabel": "Risk-free interest rate (US/SA) %"
       }
      }
     },
     "localname": "DescriptionOfRiskFreeInterestRateShareOptionsGranted",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DilutedEarningsLossPerShare": {
     "auth_ref": [
      "r107",
      "r108"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Diluted earnings (loss) per share",
        "terseLabel": "Diluted earnings per share (in ZAR per share)",
        "verboseLabel": "Diluted basic EPS (in ZAR cents per share)"
       }
      }
     },
     "localname": "DilutedEarningsLossPerShare",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares": {
     "auth_ref": [
      "r430"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_AdjustedWeightedAverageShares",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options."
       }
      },
      "en-us": {
       "role": {
        "label": "Dilutive effect of share options on number of ordinary shares",
        "terseLabel": "Potential ordinary shares (\u2019000) (in shares)"
       }
      }
     },
     "localname": "DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of attribution of expenses by nature to their function [line items]",
        "terseLabel": "Disclosure of attribution of expenses by nature to their function [line items]"
       }
      }
     },
     "localname": "DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable": {
     "auth_ref": [
      "r411",
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to attribution of expenses by nature to analysis of expenses by function in the statement of profit or loss."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of attribution of expenses by nature to their function [table]",
        "terseLabel": "Disclosure of attribution of expenses by nature to their function [table]"
       }
      }
     },
     "localname": "DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfBorrowingsExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of borrowings [text block]",
        "terseLabel": "Borrowings"
       }
      }
     },
     "localname": "DisclosureOfBorrowingsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfBusinessCombinationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [abstract]",
        "terseLabel": "Disclosure of detailed information about business combination [abstract]"
       }
      }
     },
     "localname": "DisclosureOfBusinessCombinationsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfBusinessCombinationsExplanatory": {
     "auth_ref": [
      "r244"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for business combinations."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of business combinations [text block]",
        "terseLabel": "Acquisitions"
       }
      }
     },
     "localname": "DisclosureOfBusinessCombinationsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Acquisitions"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfBusinessCombinationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [line items]",
        "terseLabel": "Disclosure of detailed information about business combination [line items]"
       }
      }
     },
     "localname": "DisclosureOfBusinessCombinationsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfBusinessCombinationsTable": {
     "auth_ref": [
      "r238"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of business combinations."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [table]",
        "terseLabel": "Disclosure of detailed information about business combination [table]"
       }
      }
     },
     "localname": "DisclosureOfBusinessCombinationsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of cash and cash equivalents [text block]",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "DisclosureOfCashAndCashEquivalentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Cashandcashequivalents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [abstract]",
        "terseLabel": "Disclosure of classes of share capital [abstract]"
       }
      }
     },
     "localname": "DisclosureOfClassesOfShareCapitalAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [line items]",
        "terseLabel": "Disclosure of classes of share capital [line items]"
       }
      }
     },
     "localname": "DisclosureOfClassesOfShareCapitalLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalTable": {
     "auth_ref": [
      "r36"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to classes of share capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [table]",
        "terseLabel": "Disclosure of classes of share capital [table]"
       }
      }
     },
     "localname": "DisclosureOfClassesOfShareCapitalTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfCommitmentsExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of commitments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of commitments [text block]",
        "terseLabel": "Commitments"
       }
      }
     },
     "localname": "DisclosureOfCommitmentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Commitments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [abstract]",
        "terseLabel": "Disclosure of contingent liabilities [abstract]"
       }
      }
     },
     "localname": "DisclosureOfContingentLiabilitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesExplanatory": {
     "auth_ref": [
      "r129"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of contingent liabilities. [Refer: Contingent liabilities [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [text block]",
        "terseLabel": "Contingent liabilities"
       }
      }
     },
     "localname": "DisclosureOfContingentLiabilitiesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Contingentliabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfCostOfSalesExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the cost of sales. [Refer: Cost of sales]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of cost of sales [text block]",
        "terseLabel": "Cost of sales"
       }
      }
     },
     "localname": "DisclosureOfCostOfSalesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Costofsales"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [abstract]",
        "terseLabel": "Disclosure of detailed information about borrowings [abstract]"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory": {
     "auth_ref": [
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [text block]",
        "terseLabel": "Schedule of the summary of borrowings"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [line items]",
        "terseLabel": "Disclosure of detailed information about borrowings [line items]"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable": {
     "auth_ref": [
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of borrowings."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [table]",
        "terseLabel": "Disclosure of detailed information about borrowings [table]"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory": {
     "auth_ref": [
      "r245"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about business combinations. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [text block]",
        "terseLabel": "Schedule of identifiable assets acquired and liabilities assumed in acquisition"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory": {
     "auth_ref": [
      "r258",
      "r264",
      "r273"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about financial instruments. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [text block]",
        "terseLabel": "Financial instruments and risk management"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Financialinstrumentsandriskmanagement"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": {
     "auth_ref": [
      "r77"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [text block]",
        "terseLabel": "Schedule of carrying value of property, plant and equipment"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of disaggregation of revenue from contracts with customers [abstract]",
        "terseLabel": "Disclosure of disaggregation of revenue from contracts with customers [abstract]"
       }
      }
     },
     "localname": "DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the disaggregation of revenue from contracts with customers. [Refer: Revenue from contracts with customers]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of disaggregation of revenue from contracts with customers [text block]",
        "terseLabel": "Disclosure of revenue from contracts with customers"
       }
      }
     },
     "localname": "DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of disaggregation of revenue from contracts with customers [line items]",
        "terseLabel": "Disclosure of disaggregation of revenue from contracts with customers [line items]"
       }
      }
     },
     "localname": "DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the disaggregation of revenue from contracts with customers."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of disaggregation of revenue from contracts with customers [table]",
        "terseLabel": "Disclosure of disaggregation of revenue from contracts with customers [table]"
       }
      }
     },
     "localname": "DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDividendsExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of dividends. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of dividends [text block]",
        "terseLabel": "Dividends"
       }
      }
     },
     "localname": "DisclosureOfDividendsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Dividends"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfEarningsPerShareExplanatory": {
     "auth_ref": [
      "r111"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for earnings per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of earnings per share [text block]",
        "terseLabel": "Earnings per share"
       }
      }
     },
     "localname": "DisclosureOfEarningsPerShareExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Earningspershare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": {
     "auth_ref": [
      "r302"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for operating segments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of entity's operating segments [text block]",
        "terseLabel": "Segment reporting"
       }
      }
     },
     "localname": "DisclosureOfEntitysReportableSegmentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Segmentreporting"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory": {
     "auth_ref": [
      "r57"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for events after the reporting period."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of events after reporting period [text block]",
        "terseLabel": "Events after reporting date"
       }
      }
     },
     "localname": "DisclosureOfEventsAfterReportingPeriodExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Eventsafterreportingdate"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of assets [line items]",
        "terseLabel": "Disclosure of fair value measurement of assets [line items]"
       }
      }
     },
     "localname": "DisclosureOfFairValueMeasurementOfAssetsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable": {
     "auth_ref": [
      "r197"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value measurement of assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of assets [table]",
        "terseLabel": "Disclosure of fair value measurement of assets [table]"
       }
      }
     },
     "localname": "DisclosureOfFairValueMeasurementOfAssetsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of liabilities [line items]",
        "terseLabel": "Disclosure of fair value measurement of liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfFairValueMeasurementOfLiabilitiesLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable": {
     "auth_ref": [
      "r197"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value measurement of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of liabilities [table]",
        "terseLabel": "Disclosure of fair value measurement of liabilities [table]"
       }
      }
     },
     "localname": "DisclosureOfFairValueMeasurementOfLiabilitiesTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory": {
     "auth_ref": [
      "r250"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [text block]",
        "terseLabel": "Other investments"
       }
      }
     },
     "localname": "DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Otherinvestments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of financial instruments. [Refer: Financial instruments, class [member]; At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of financial instruments [text block]",
        "terseLabel": "Schedule of significant financial instruments measured at fair value by level within the fair value hierarchy"
       }
      }
     },
     "localname": "DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]",
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]"
       }
      }
     },
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable": {
     "auth_ref": [
      "r250"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value of investments in equity instruments designated at fair value through other comprehensive income."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]",
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]"
       }
      }
     },
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFinanceCostExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of finance cost. [Refer: Finance costs]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of finance cost [text block]",
        "terseLabel": "Schedule of finance expense"
       }
      }
     },
     "localname": "DisclosureOfFinanceCostExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [line items]",
        "terseLabel": "(Loss)/gain on financial instruments"
       }
      }
     },
     "localname": "DisclosureOfFinancialInstrumentsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsTable": {
     "auth_ref": [
      "r258",
      "r264",
      "r273"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of financial instruments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [table]",
        "terseLabel": "Disclosure of detailed information about financial instruments [table]"
       }
      }
     },
     "localname": "DisclosureOfFinancialInstrumentsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of impairment loss and reversal of impairment loss [abstract]",
        "terseLabel": "Disclosure of impairment loss and reversal of impairment loss [abstract]"
       }
      }
     },
     "localname": "DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory": {
     "auth_ref": [
      "r114"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of impairment loss and the reversal of impairment loss. [Refer: Impairment loss; Reversal of impairment loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of impairment loss and reversal of impairment loss [text block]",
        "terseLabel": "Schedule of impairments"
       }
      }
     },
     "localname": "DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of impairment loss and reversal of impairment loss [line items]",
        "terseLabel": "Disclosure of impairment loss and reversal of impairment loss [line items]"
       }
      }
     },
     "localname": "DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable": {
     "auth_ref": [
      "r114"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to impairment loss and the reversal of impairment loss."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of impairment loss and reversal of impairment loss [table]",
        "terseLabel": "Disclosure of impairment loss and reversal of impairment loss [table]"
       }
      }
     },
     "localname": "DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfImpairmentOfAssetsExplanatory": {
     "auth_ref": [
      "r124"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for the impairment of assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of impairment of assets [text block]",
        "verboseLabel": "Reversal of impairments/(impairments)"
       }
      }
     },
     "localname": "DisclosureOfImpairmentOfAssetsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Reversalofimpairmentsimpairments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfIncomeTaxExplanatory": {
     "auth_ref": [
      "r66"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for income taxes."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of income tax [text block]",
        "terseLabel": "Royalties, mining and income tax, and deferred tax"
       }
      }
     },
     "localname": "DisclosureOfIncomeTaxExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Royaltiesminingandincometaxanddeferredtax"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory": {
     "auth_ref": [
      "r226"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's other equity instruments (ie other than share options)."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block]",
        "terseLabel": "Inputs to the models for equity instruments granted during the year"
       }
      }
     },
     "localname": "DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of information about key management personnel [text block]",
        "netLabel": "Schedule of management personnel compensation",
        "terseLabel": "Schedule of key management remuneration, fees and share ownership",
        "verboseLabel": "Schedule of directors and prescribed officers' equity-settled instruments"
       }
      }
     },
     "localname": "DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationTables",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTables",
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of initial application of standards or interpretations [abstract]",
        "terseLabel": "Disclosure of initial application of standards or interpretations [abstract]"
       }
      }
     },
     "localname": "DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of initial application of standards or interpretations [line items]",
        "terseLabel": "Accounting policies"
       }
      }
     },
     "localname": "DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable": {
     "auth_ref": [
      "r156"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the initial application of standards or interpretations."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of initial application of standards or interpretations [table]",
        "terseLabel": "Disclosure of initial application of standards or interpretations [table]"
       }
      }
     },
     "localname": "DisclosureOfInitialApplicationOfStandardsOrInterpretationsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of intangible assets and goodwill. [Refer: Intangible assets and goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of intangible assets and goodwill [text block]",
        "terseLabel": "Goodwill and other intangibles"
       }
      }
     },
     "localname": "DisclosureOfIntangibleAssetsAndGoodwillExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Goodwillandotherintangibles"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInterestInFundsExplanatory": {
     "auth_ref": [
      "r161"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for the entity's interest in decommissioning, restoration and environmental rehabilitation funds."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of interest in funds [text block]",
        "terseLabel": "Environmental rehabilitation obligation funds"
       }
      }
     },
     "localname": "DisclosureOfInterestInFundsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Environmentalrehabilitationobligationfunds"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of interest income and expense. [Refer: Interest income (expense)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of interest income (expense) [text block]",
        "terseLabel": "Interest income and finance expense"
       }
      }
     },
     "localname": "DisclosureOfInterestIncomeExpenseExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Interestincomeandfinanceexpense"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInterestIncomeExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of interest income. [Refer: Interest income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of interest income [text block]",
        "terseLabel": "Schedule of interest income"
       }
      }
     },
     "localname": "DisclosureOfInterestIncomeExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInterestsInJointArrangementsExplanatory": {
     "auth_ref": [
      "r173"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of interests in joint arrangements. A joint arrangement is an arrangement of which two or more parties have joint control."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of interests in joint arrangements [text block]",
        "terseLabel": "Interests in joint operations"
       }
      }
     },
     "localname": "DisclosureOfInterestsInJointArrangementsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Interestsinjointoperations"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInventoriesExplanatory": {
     "auth_ref": [
      "r87"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for inventories."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of inventories [text block]",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "DisclosureOfInventoriesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Inventories"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of investments accounted for using equity method [text block]",
        "terseLabel": "Equity accounted investments"
       }
      }
     },
     "localname": "DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Equityaccountedinvestments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfIssuedCapitalExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of issued capital. [Refer: Issued capital]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of issued capital [text block]",
        "terseLabel": "Schedule of shares authorized and issued"
       }
      }
     },
     "localname": "DisclosureOfIssuedCapitalExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfJointOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of joint operations [abstract]",
        "terseLabel": "Disclosure of joint operations [abstract]"
       }
      }
     },
     "localname": "DisclosureOfJointOperationsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfJointOperationsExplanatory": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of joint operations. [Refer: Joint operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of joint operations [text block]",
        "terseLabel": "Schedule of joint operations"
       }
      }
     },
     "localname": "DisclosureOfJointOperationsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfJointOperationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of joint operations [line items]",
        "terseLabel": "INTERESTS IN JOINT OPERATIONS"
       }
      }
     },
     "localname": "DisclosureOfJointOperationsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfJointOperationsTable": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to joint operations."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of joint operations [table]",
        "terseLabel": "Disclosure of joint operations [table]"
       }
      }
     },
     "localname": "DisclosureOfJointOperationsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis of finance lease payments receivable [line items]",
        "terseLabel": "Disclosure of maturity analysis of finance lease payments receivable [line items]"
       }
      }
     },
     "localname": "DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable": {
     "auth_ref": [
      "r220"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the maturity analysis of finance lease payments receivable."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis of finance lease payments receivable [table]",
        "terseLabel": "Disclosure of maturity analysis of finance lease payments receivable [table]"
       }
      }
     },
     "localname": "DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of nature and extent of risks arising from financial instruments [line items]",
        "terseLabel": "Disclosure of nature and extent of risks arising from financial instruments [line items]",
        "verboseLabel": "Disclosure of nature and extent of risks arising from financial instruments [line items]"
       }
      }
     },
     "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable": {
     "auth_ref": [
      "r259",
      "r260"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the nature and extent of risks arising from financial instruments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of nature and extent of risks arising from financial instruments [table]",
        "terseLabel": "Disclosure of nature and extent of risks arising from financial instruments [table]"
       }
      }
     },
     "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [abstract]",
        "terseLabel": "Disclosure of non-adjusting events after reporting period [abstract]"
       }
      }
     },
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [line items]",
        "verboseLabel": "Events after the reporting period"
       }
      }
     },
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable": {
     "auth_ref": [
      "r56"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to non-adjusting events after the reporting period."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [table]",
        "terseLabel": "Disclosure of non-adjusting events after reporting period [table]"
       }
      }
     },
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of non-controlling interests. [Refer: Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of non-controlling interests [text block]",
        "terseLabel": "Non-controlling interests"
       }
      }
     },
     "localname": "DisclosureOfNoncontrollingInterestsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Noncontrollinginterests"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory": {
     "auth_ref": [
      "r443"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the number and weighted average exercise prices of other equity instruments (ie other than share options)."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of number and weighted average exercise prices of other equity instruments [text block]",
        "terseLabel": "Summary of activity of other equity instruments"
       }
      }
     },
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [abstract]",
        "terseLabel": "Disclosure of operating segments [abstract]"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsExplanatory": {
     "auth_ref": [
      "r288"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of operating segments. [Refer: Operating segments [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [text block]",
        "terseLabel": "Schedule of segment reporting"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [line items]",
        "terseLabel": "SEGMENT REPORTING"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsTable": {
     "auth_ref": [
      "r288"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to operating segments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [table]",
        "terseLabel": "Disclosure of operating segments [table]"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of other operating expense. [Refer: Other operating income (expense)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other operating expense [text block]",
        "verboseLabel": "Other costs and other income"
       }
      }
     },
     "localname": "DisclosureOfOtherOperatingExpenseExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Othercostsandotherincome"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOtherProvisionsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [line items]",
        "terseLabel": "Disclosure of other provisions [line items]",
        "verboseLabel": "Disclosure of other provisions [line items]"
       }
      }
     },
     "localname": "DisclosureOfOtherProvisionsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOtherProvisionsTable": {
     "auth_ref": [
      "r128"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to other provisions."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [table]",
        "terseLabel": "Disclosure of other provisions [table]"
       }
      }
     },
     "localname": "DisclosureOfOtherProvisionsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPerformanceObligationsExplanatory": {
     "auth_ref": [
      "r206"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of performance obligations in contracts with customers. [Refer: Performance obligations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of performance obligations [text block]",
        "terseLabel": "Schedule of cost of sales"
       }
      }
     },
     "localname": "DisclosureOfPerformanceObligationsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfPerformanceObligationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of performance obligations [line items]",
        "terseLabel": "Disclosure of performance obligations [line items]"
       }
      }
     },
     "localname": "DisclosureOfPerformanceObligationsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPerformanceObligationsTable": {
     "auth_ref": [
      "r206"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to performance obligations in contracts with customers."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of performance obligations [table]",
        "terseLabel": "Disclosure of performance obligations [table]"
       }
      }
     },
     "localname": "DisclosureOfPerformanceObligationsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [abstract]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [abstract]"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": {
     "auth_ref": [
      "r81"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for property, plant and equipment."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of property, plant and equipment [text block]",
        "terseLabel": "Property plant and equipment"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Propertyplantandequipment"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [line items]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [line items]"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": {
     "auth_ref": [
      "r77"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of property, plant and equipment."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [table]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [table]"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [abstract]",
        "terseLabel": "Disclosure of quantitative information about right-of-use assets [abstract]"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory": {
     "auth_ref": [
      "r218"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [text block]",
        "verboseLabel": "Right-of-use assets"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Rightofuseassets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [line items]",
        "verboseLabel": "Right-of-use asset"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable": {
     "auth_ref": [
      "r218"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to right-of-use assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [table]",
        "terseLabel": "Disclosure of quantitative information about right-of-use assets [table]"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [abstract]",
        "terseLabel": "Disclosure of reconciliation of changes in goodwill [abstract]"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [line items]",
        "terseLabel": "Disclosure of reconciliation of changes in goodwill [line items]"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable": {
     "auth_ref": [
      "r242"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the reconciliation of changes in goodwill."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [table]",
        "terseLabel": "Disclosure of reconciliation of changes in goodwill [table]"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory": {
     "auth_ref": [
      "r432"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in intangible assets and goodwill [text block]",
        "terseLabel": "Schedule of changes in goodwill and intangibles"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in intangible assets and goodwill [line items]",
        "terseLabel": "Disclosure of reconciliation of changes in intangible assets and goodwill [line items]"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory": {
     "auth_ref": [
      "r187"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the reconciliation of the summarised financial information of an associate accounted for using the equity method to the carrying amount of the reporting entity's interest in the associate. [Refer: Carrying amount [member]; Associates [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of summarised financial information of associate accounted for using equity method to carrying amount of interest in associate [text block]",
        "verboseLabel": "Schedule of group's interest in summarised financial statements of associate"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociateAccountedForUsingEquityMethodToCarryingAmountOfInterestInAssociateExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory": {
     "auth_ref": [
      "r187"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the reconciliation of the summarised financial information of a joint venture accounted for using the equity method to the carrying amount of the reporting entity's interest in the joint venture. [Refer: Carrying amount [member]; Joint ventures [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of summarised financial information of joint venture accounted for using equity method to carrying amount of interest in joint venture [text block]",
        "terseLabel": "Schedule of group's interest in summarised financial statements of joint venture"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfRelatedPartyExplanatory": {
     "auth_ref": [
      "r99"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for related parties."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of related party [text block]",
        "terseLabel": "Related-party transactions",
        "verboseLabel": "Directors' and prescribed officers' remuneration"
       }
      }
     },
     "localname": "DisclosureOfRelatedPartyExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Directorsandprescribedofficersremuneration",
      "http://www.sibanyegold.co/role/Relatedpartytransactions"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory": {
     "auth_ref": [
      "r208",
      "r209"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for revenue from contracts with customers."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of revenue from contracts with customers [text block]",
        "terseLabel": "Revenue"
       }
      }
     },
     "localname": "DisclosureOfRevenueFromContractsWithCustomersExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Revenue"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of risk management strategy related to hedge accounting [line items]",
        "terseLabel": "Disclosure of risk management strategy related to hedge accounting [line items]",
        "verboseLabel": "Foreign currency sensitivity analysis"
       }
      }
     },
     "localname": "DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable": {
     "auth_ref": [
      "r253"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the risk management strategy in relation to hedge accounting."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of risk management strategy related to hedge accounting [table]",
        "terseLabel": "Disclosure of risk management strategy related to hedge accounting [table]"
       }
      }
     },
     "localname": "DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": {
     "auth_ref": [
      "r37"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for share capital, reserves and other equity interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of share capital, reserves and other equity interest [text block]",
        "terseLabel": "Stated share capital"
       }
      }
     },
     "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Statedsharecapital"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory": {
     "auth_ref": [
      "r222"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for share-based payment arrangements."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of share-based payment arrangements [text block]",
        "terseLabel": "Share-based payments"
       }
      }
     },
     "localname": "DisclosureOfSharebasedPaymentArrangementsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Sharebasedpayments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of associates [line items]",
        "terseLabel": "EQUITY-ACCOUNTED INVESTMENTS"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInAssociatesLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable": {
     "auth_ref": [
      "r103",
      "r105",
      "r192"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to associates."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of associates [table]",
        "terseLabel": "Disclosure of associates [table]"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInAssociatesTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [line items]",
        "terseLabel": "Disclosure of subsidiaries [line items]"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable": {
     "auth_ref": [
      "r103",
      "r105",
      "r189"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to subsidiaries."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [table]",
        "terseLabel": "Disclosure of subsidiaries [table]"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory": {
     "auth_ref": [
      "r195"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of significant inputs for which market data are not available and that are developed using the best information available about the assumptions that market participants would use when measuring the fair value of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of liabilities [text block]",
        "terseLabel": "Schedule of assumptions used to calculate provision"
       }
      }
     },
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of tax receivables and payables."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of tax receivables and payables [text block]",
        "terseLabel": "Schedule of tax and royalties receivables and payables"
       }
      }
     },
     "localname": "DisclosureOfTaxReceivablesAndPayablesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory": {
     "auth_ref": [
      "r65"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of types of temporary differences, unused tax losses and unused tax credits. [Refer: Unused tax credits [member]; Unused tax losses [member]; Temporary differences [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [text block]",
        "terseLabel": "Schedule of deferred tax"
       }
      }
     },
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [abstract]",
        "terseLabel": "Disclosure of terms and conditions of share-based payment arrangement [abstract]"
       }
      }
     },
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [line items]",
        "terseLabel": "Share-based payments",
        "verboseLabel": "Disclosure of terms and conditions of share-based payment arrangement [line items]"
       }
      }
     },
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable": {
     "auth_ref": [
      "r224"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to terms and conditions of share-based payment arrangements."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [table]",
        "terseLabel": "Disclosure of terms and conditions of share-based payment arrangement [table]"
       }
      }
     },
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of trade and other payables. [Refer: Trade and other payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of trade and other payables [text block]",
        "terseLabel": "Trade and other payables"
       }
      }
     },
     "localname": "DisclosureOfTradeAndOtherPayablesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Tradeandotherpayables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of trade and other receivables. [Refer: Trade and other receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of trade and other receivables [text block]",
        "terseLabel": "Trade and other receivables"
       }
      }
     },
     "localname": "DisclosureOfTradeAndOtherReceivablesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Tradeandotherreceivables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [abstract]",
        "terseLabel": "Disclosure of transactions between related parties [abstract]"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory": {
     "auth_ref": [
      "r95"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [text block]",
        "terseLabel": "Schedule of transactions and balances between the Group and its related-parties"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [line items]",
        "terseLabel": "Disclosure of transactions between related parties [line items]"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable": {
     "auth_ref": [
      "r97"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to transactions between related parties."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [table]",
        "terseLabel": "Disclosure of transactions between related parties [table]"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisposalsPropertyPlantAndEquipment": {
     "auth_ref": [
      "r70"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disposals, property, plant and equipment",
        "negatedLabel": "Disposals"
       }
      }
     },
     "localname": "DisposalsPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsPaid": {
     "auth_ref": [
      "r9"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of dividends recognised as distributions to owners."
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to owners",
        "negatedTerseLabel": "Dividends"
       }
      }
     },
     "localname": "DividendsPaid",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsPaidClassifiedAsOperatingActivities": {
     "auth_ref": [
      "r146"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 6.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for dividends paid by the entity, classified as operating activities."
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends paid, classified as operating activities",
        "negatedTerseLabel": "Dividends paid",
        "terseLabel": "Dividends paid"
       }
      }
     },
     "localname": "DividendsPaidClassifiedAsOperatingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsPaidOtherShares": {
     "auth_ref": [
      "r112"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of dividends paid by the entity on shares other than ordinary shares. [Refer: Ordinary shares [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends paid, other shares",
        "terseLabel": "Marikana dividend obligation"
       }
      }
     },
     "localname": "DividendsPaidOtherShares",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsReceived": {
     "auth_ref": [
      "r176"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of dividends received."
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends received",
        "negatedTerseLabel": "Dividends received"
       }
      }
     },
     "localname": "DividendsReceived",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsReceivedClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r146"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 7.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from dividends received, classified as investing activities. [Refer: Dividends received]"
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends received, classified as investing activities",
        "terseLabel": "Dividends received"
       }
      }
     },
     "localname": "DividendsReceivedClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r434"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow representing dividends received from investments that are accounted for using the equity method, classified as investing activities. [Refer: Investments accounted for using equity method; Dividends received]"
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends received from investments accounted for using equity method, classified as investing activities",
        "terseLabel": "Dividends received from related parties"
       }
      }
     },
     "localname": "DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent": {
     "auth_ref": [
      "r412"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of dividends recognised as distributions to owners of the parent. [Refer: Parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to owners of parent",
        "totalLabel": "Total dividends declared for the year"
       }
      }
     },
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParent",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear": {
     "auth_ref": [
      "r412"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of dividends relating to the current year, recognised as distributions to owners of the parent. [Refer: Parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to owners of parent, relating to current year",
        "terseLabel": "Dividend declared and paid (interim)"
       }
      }
     },
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears": {
     "auth_ref": [
      "r412"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of dividends relating to prior years, recognised as distributions to owners of the parent. [Refer: Parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to owners of parent, relating to prior years",
        "terseLabel": "Dividend declared after 31 December (final)"
       }
      }
     },
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare": {
     "auth_ref": [
      "r9"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount, per share, of dividends recognised as distributions to owners."
       }
      },
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to owners per share",
        "totalLabel": "Dividends declared (in ZAR cents per share)"
       }
      }
     },
     "localname": "DividendsRecognisedAsDistributionsToOwnersPerShare",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_DonationsAndSubsidiesExpense": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from donations and subsidies."
       }
      },
      "en-us": {
       "role": {
        "label": "Donations and subsidies expense",
        "negatedLabel": "Corporate and social investment costs"
       }
      }
     },
     "localname": "DonationsAndSubsidiesExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [abstract]",
        "terseLabel": "Earnings per share [abstract]"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_EarningsPerShareExplanatory": {
     "auth_ref": [
      "r107"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of earnings per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Earnings per share [text block]",
        "verboseLabel": "Earnings per share"
       }
      }
     },
     "localname": "EarningsPerShareExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": {
     "auth_ref": [
      "r144",
      "r145"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Effect of exchange rate changes on cash and cash equivalents",
        "terseLabel": "Effect of exchange rate fluctuations on cash held"
       }
      }
     },
     "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EntitysTotalForAssociatesMember": {
     "auth_ref": [
      "r103",
      "r105",
      "r192",
      "r318",
      "r320"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Associates' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for associates [member]",
        "terseLabel": "Entity's total for associates [member]"
       }
      }
     },
     "localname": "EntitysTotalForAssociatesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForBusinessCombinationsMember": {
     "auth_ref": [
      "r238",
      "r243"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Business combinations' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for business combinations [member]",
        "terseLabel": "Entity's total for business combinations"
       }
      }
     },
     "localname": "EntitysTotalForBusinessCombinationsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember": {
     "auth_ref": [
      "r119"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Individual assets or cash-generating units' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for individual assets or cash-generating units [member]",
        "terseLabel": "Entity's total for individual assets or cash-generating units"
       }
      }
     },
     "localname": "EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForJointOperationsMember": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Joint operations' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for joint operations [member]",
        "terseLabel": "Entity's total for joint operations"
       }
      }
     },
     "localname": "EntitysTotalForJointOperationsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForJointVenturesMember": {
     "auth_ref": [
      "r103",
      "r105",
      "r190",
      "r318",
      "r320"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Joint ventures' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for joint ventures [member]",
        "terseLabel": "Entity's total for joint ventures"
       }
      }
     },
     "localname": "EntitysTotalForJointVenturesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForRelatedPartiesMember": {
     "auth_ref": [
      "r97"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for related parties [member]",
        "terseLabel": "Entity's total for related parties [member]"
       }
      }
     },
     "localname": "EntitysTotalForRelatedPartiesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForSegmentConsolidationItemsMember": {
     "auth_ref": [
      "r296"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Segment consolidation items' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for segment consolidation items [member]",
        "terseLabel": "Entity's total for segment consolidation items"
       }
      }
     },
     "localname": "EntitysTotalForSegmentConsolidationItemsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForSubsidiariesMember": {
     "auth_ref": [
      "r103",
      "r105",
      "r189"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Subsidiaries' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for subsidiaries [member]",
        "terseLabel": "Entity's total for subsidiaries"
       }
      }
     },
     "localname": "EntitysTotalForSubsidiariesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Equity": {
     "auth_ref": [
      "r24",
      "r33",
      "r162",
      "r164",
      "r193",
      "r194",
      "r196"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period",
        "terseLabel": "Equity",
        "totalLabel": "Total equity"
       }
      }
     },
     "localname": "Equity",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EquityAndLiabilities": {
     "auth_ref": [
      "r24"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Equity and liabilities",
        "totalLabel": "Total equity and liabilities"
       }
      }
     },
     "localname": "EquityAndLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EquityAndLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity and liabilities [abstract]",
        "terseLabel": "Equity and liabilities"
       }
      }
     },
     "localname": "EquityAndLiabilitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_EquityAttributableToOwnersOfParent": {
     "auth_ref": [
      "r23"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity attributable to owners of parent",
        "totalLabel": "Equity attributable to owners of Sibanye-Stillwater"
       }
      }
     },
     "localname": "EquityAttributableToOwnersOfParent",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EquityAttributableToOwnersOfParentMember": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for equity attributable to the owners of the parent."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity attributable to owners of parent [member]",
        "terseLabel": "Equity attributable to owners of Sibanye-Stillwater"
       }
      }
     },
     "localname": "EquityAttributableToOwnersOfParentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EquityInvestmentsMember": {
     "auth_ref": [
      "r378",
      "r388"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for investments in equity instruments."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity investments [member]",
        "terseLabel": "Equity investments"
       }
      }
     },
     "localname": "EquityInvestmentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EquityMember": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the residual interest in the assets of the entity after deducting all its liabilities. It also represents the standard value for the 'Components of equity' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity [member]",
        "terseLabel": "Equity"
       }
      }
     },
     "localname": "EquityMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted": {
     "auth_ref": [
      "r225"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The percentage of an expected dividend used to calculate the fair value of share options granted."
       }
      },
      "en-us": {
       "role": {
        "label": "Expected dividend as percentage, share options granted",
        "terseLabel": "Expected dividend yield (US/SA) %"
       }
      }
     },
     "localname": "ExpectedDividendAsPercentageShareOptionsGranted",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ExpenseArisingFromExplorationForAndEvaluationOfMineralResources": {
     "auth_ref": [
      "r248"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource."
       }
      },
      "en-us": {
       "role": {
        "label": "Expense arising from exploration for and evaluation of mineral resources",
        "negatedLabel": "Exploration costs"
       }
      }
     },
     "localname": "ExpenseArisingFromExplorationForAndEvaluationOfMineralResources",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets": {
     "auth_ref": [
      "r413"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from cash-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Expense from cash-settled share-based payment transactions",
        "terseLabel": "Expense from cash-settled share-based payment transactions"
       }
      }
     },
     "localname": "ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ExpenseOfRestructuringActivities": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 14.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 3.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense relating to restructuring. Restructuring is a programme that is planned and controlled by management and materially changes either the scope of a business undertaken by an entity or the manner in which that business is conducted. Such programmes include: (a) the sale or termination of a line of business; (b) closure of business locations in a country or region or the relocation of activities from one country or region to another; (c) changes in management structure; and (d) fundamental reorganisations that have a material effect on the nature and focus of the entity's operations."
       }
      },
      "en-us": {
       "role": {
        "label": "Expense of restructuring activities",
        "negatedLabel": "Restructuring costs",
        "verboseLabel": "Restructuring costs"
       }
      }
     },
     "localname": "ExpenseOfRestructuringActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/RestructuringcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed": {
     "auth_ref": [
      "r214"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails": {
       "order": 2.0,
       "parentTag": "sbsw_LeaseExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of the expense relating to leases of low-value assets accounted for applying paragraph 6 of IFRS 16. This expense shall not include the expense relating to short-term leases of low-value assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Expense relating to leases of low-value assets for which recognition exemption has been used",
        "terseLabel": "Leases of low value assets"
       }
      }
     },
     "localname": "ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed": {
     "auth_ref": [
      "r213"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails": {
       "order": 1.0,
       "parentTag": "sbsw_LeaseExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of the expense relating to short-term leases accounted for applying paragraph 6 of IFRS 16. This expense need not include the expense relating to leases with a lease term of one month or less. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease."
       }
      },
      "en-us": {
       "role": {
        "label": "Expense relating to short-term leases for which recognition exemption has been used",
        "terseLabel": "Short-term leases"
       }
      }
     },
     "localname": "ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities": {
     "auth_ref": [
      "r215"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails": {
       "order": 3.0,
       "parentTag": "sbsw_LeaseExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of the expense relating to variable lease payments not included in the measurement of lease liabilities. Variable lease payments are the portion of payments made by a lessee to a lessor for the right to use an underlying asset during the lease term that varies because of changes in facts or circumstances occurring after the commencement date, other than the passage of time. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Expense relating to variable lease payments not included in measurement of lease liabilities",
        "terseLabel": "Variable lease payments"
       }
      }
     },
     "localname": "ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss": {
     "auth_ref": [
      "r227"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The explanation that enables users of financial statements to understand the effect of share-based payment transactions on the entity's profit (loss)."
       }
      },
      "en-us": {
       "role": {
        "label": "Explanation of effect of share-based payments on entity's profit or loss [text block]",
        "terseLabel": "Expenses from share based payment arrangements"
       }
      }
     },
     "localname": "ExplanationOfEffectOfSharebasedPaymentsOnProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory": {
     "auth_ref": [
      "r205"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The explanation of the significant changes in the contract assets and the contract liabilities. [Refer: Contract assets; Contract liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Explanation of significant changes in contract assets and contract liabilities [text block]",
        "terseLabel": "Schedule of changes in deferred revenue"
       }
      }
     },
     "localname": "ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_FairValueOfAcquiredReceivables": {
     "auth_ref": [
      "r234"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The fair value of receivables acquired in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Fair value of acquired receivables",
        "terseLabel": "Trade and other receivables"
       }
      }
     },
     "localname": "FairValueOfAcquiredReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinanceCosts": {
     "auth_ref": [
      "r46"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 3.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 5.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of costs associated with financing activities of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Finance costs",
        "negatedLabel": "Finance expense",
        "negatedTotalLabel": "Total finance expense",
        "verboseLabel": "Finance expense"
       }
      }
     },
     "localname": "FinanceCosts",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinanceIncome": {
     "auth_ref": [
      "r419"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 2.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 17.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income associated with interest and other financing activities of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Finance income",
        "negatedLabel": "Interest income",
        "terseLabel": "Interest income",
        "totalLabel": "Finance income"
       }
      }
     },
     "localname": "FinanceIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssets": {
     "auth_ref": [
      "r257",
      "r262",
      "r263",
      "r266",
      "r376"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose the entity\u2019s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets",
        "terseLabel": "Financial assets",
        "totalLabel": "Financial assets"
       }
      }
     },
     "localname": "FinancialAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember": {
     "auth_ref": [
      "r275"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at amortised cost category. [Refer: Financial assets at amortised cost]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets at amortised cost, category [member]",
        "terseLabel": "Amortised cost investments"
       }
      }
     },
     "localname": "FinancialAssetsAtAmortisedCostCategoryMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialAssetsAtFairValue": {
     "auth_ref": [
      "r257"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The fair value of financial assets. [Refer: At fair value [member]; Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets, at fair value",
        "terseLabel": "Financial assets measured at fair value"
       }
      }
     },
     "localname": "FinancialAssetsAtFairValue",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssetsAtFairValueMember": {
     "auth_ref": [
      "r279"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets measured at fair value class. [Refer: Financial assets; At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets at fair value, class [member]",
        "terseLabel": "Environmental rehabilitation obligation funds (at fair value)"
       }
      }
     },
     "localname": "FinancialAssetsAtFairValueMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember": {
     "auth_ref": [
      "r274"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets mandatorily measured at fair value through profit or loss category. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member]",
        "terseLabel": "Mandatorily measured at FVTPL investments:"
       }
      }
     },
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialAssetsCategoryMember": {
     "auth_ref": [
      "r278"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated categories of financial assets. It also represents the standard value for the 'Categories of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets, category [member]",
        "terseLabel": "Financial assets, category [member]"
       }
      }
     },
     "localname": "FinancialAssetsCategoryMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets measured at fair value through other comprehensive income [abstract]",
        "terseLabel": "Financial assets measured at fair value through other comprehensive income [abstract]"
       }
      }
     },
     "localname": "FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_FinancialAssetsMember": {
     "auth_ref": [
      "r271",
      "r272",
      "r303",
      "r314",
      "r315",
      "r316"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial assets. It also represents the standard value for the 'Classes of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets, class [member]",
        "terseLabel": "Financial assets, class [member]"
       }
      }
     },
     "localname": "FinancialAssetsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialEffectOfCorrectionsOfAccountingErrorsMember": {
     "auth_ref": [
      "r159",
      "r160"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the financial effect of corrections of prior period errors."
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) due to corrections of prior period errors [member]",
        "terseLabel": "Adjustment"
       }
      }
     },
     "localname": "FinancialEffectOfCorrectionsOfAccountingErrorsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialInstrumentsCreditimpairedMember": {
     "auth_ref": [
      "r262",
      "r266"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments that are credit-impaired. [Refer: Credit impairment of financial instruments [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial instruments credit-impaired [member]",
        "terseLabel": "Financial instruments credit-impaired"
       }
      }
     },
     "localname": "FinancialInstrumentsCreditimpairedMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialLiabilitiesAtAmortisedCost": {
     "auth_ref": [
      "r276",
      "r321"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities at amortised cost. The amortised cost is the amount at which financial liabilities are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities at amortised cost",
        "terseLabel": "Marikana dividend obligation"
       }
      }
     },
     "localname": "FinancialLiabilitiesAtAmortisedCost",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialLiabilitiesMember": {
     "auth_ref": [
      "r271",
      "r272",
      "r303",
      "r315"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes financial liabilities. It also represents the standard value for the 'Classes of financial liabilities' axis if no other member is used. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities, class [member]",
        "terseLabel": "Financial liabilities, class"
       }
      }
     },
     "localname": "FinancialLiabilitiesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinishedGoods": {
     "auth_ref": [
      "r328",
      "r429"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current finished goods",
        "terseLabel": "Finished goods"
       }
      }
     },
     "localname": "FinishedGoods",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FloatingInterestRateMember": {
     "auth_ref": [
      "r445"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a non-fixed interest rate. [Refer: Interest rate risk [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Floating interest rate [member]",
        "terseLabel": "Floating interest rate"
       }
      }
     },
     "localname": "FloatingInterestRateMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ForwardContractMember": {
     "auth_ref": [
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a contract between two parties for the purchase or sale of an underlying asset at a specified future date for a settlement price determined in advance."
       }
      },
      "en-us": {
       "role": {
        "label": "Forward contract [member]",
        "terseLabel": "Forward contract"
       }
      }
     },
     "localname": "ForwardContractMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment": {
     "auth_ref": [
      "r53"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 9.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 11.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) on disposals of property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) on disposals of property, plant and equipment",
        "negatedLabel": "Gain on disposal of property, plant and equipment",
        "terseLabel": "Gain on disposal of property, plant and equipment"
       }
      }
     },
     "localname": "GainsLossesOnDisposalsOfPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss": {
     "auth_ref": [
      "r11",
      "r88"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 6.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 6.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Foreign exchange gain (loss)",
        "negatedNetLabel": "(Gain)/loss on foreign exchange differences",
        "negatedTerseLabel": "Gain/(loss) on foreign exchange differences",
        "netLabel": "Gain/(loss) on foreign exchange differences"
       }
      }
     },
     "localname": "GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss": {
     "auth_ref": [
      "r251"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) on financial assets at fair value through profit or loss",
        "terseLabel": "Gains (losses) on financial assets at fair value through profit or loss"
       }
      }
     },
     "localname": "GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r50"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in other comprehensive income on financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9, net of tax, before reclassification adjustments. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax",
        "verboseLabel": "Fair value adjustment on other investments"
       }
      }
     },
     "localname": "GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementAssets": {
     "auth_ref": [
      "r441"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) excluding exchange differences, recognised in profit or loss, on the fair value measurement of assets. [Refer: At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in profit or loss excluding exchange differences, fair value measurement, assets",
        "negatedLabel": "Fair value adjustment",
        "terseLabel": "Fair value gain"
       }
      }
     },
     "localname": "GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementLiabilities": {
     "auth_ref": [
      "r441"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) excluding exchange differences, recognised in profit or loss, on the fair value measurement of liabilities. [Refer: At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in profit or loss excluding exchange differences, fair value measurement, liabilities",
        "negatedLabel": "Fair value loss on obligations"
       }
      }
     },
     "localname": "GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossOnExchangeDifferencesFairValueMeasurementLiabilities": {
     "auth_ref": [
      "r441"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) on exchange differences, recognised in profit or loss, on the fair value measurement of liabilities. [Refer: At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in profit or loss on exchange differences, fair value measurement, liabilities",
        "negatedNetLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "GainsLossesRecognisedInProfitOrLossOnExchangeDifferencesFairValueMeasurementLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost": {
     "auth_ref": [
      "r171"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 20.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 18.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 19.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in association with the loss of control over a subsidiary, which are attributable to the former controlling interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised when control of subsidiary is lost",
        "negatedLabel": "Profit on sale of subsidiary",
        "negatedTerseLabel": "Profit on sale of Lonmin Canada",
        "terseLabel": "Profit on sale of subsidiary"
       }
      }
     },
     "localname": "GainsLossesRecognisedWhenControlInSubsidiaryIsLost",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/EarningspershareDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GainsOnLitigationSettlements": {
     "auth_ref": [
      "r54"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 18.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 14.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 11.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gain on settlements of litigation."
       }
      },
      "en-us": {
       "role": {
        "label": "Gains on litigation settlements",
        "negatedLabel": "Income on settlement of dispute",
        "negatedTerseLabel": "Income on settlement of legal dispute",
        "terseLabel": "Income on settlement of legal dispute"
       }
      }
     },
     "localname": "GainsOnLitigationSettlements",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GeographicalAreasAxis": {
     "auth_ref": [
      "r300",
      "r338",
      "r369",
      "r392"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Geographical areas [axis]",
        "terseLabel": "Geographical areas [axis]"
       }
      }
     },
     "localname": "GeographicalAreasAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_GeographicalAreasMember": {
     "auth_ref": [
      "r300",
      "r338",
      "r369",
      "r392"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated geographical areas. It also represents the standard value for the 'Geographical areas' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Geographical areas [member]",
        "terseLabel": "Geographical areas"
       }
      }
     },
     "localname": "GeographicalAreasMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember": {
     "auth_ref": [
      "r371"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for goods or services transferred to customers at a point in time. [Refer: Performance obligations satisfied at point in time [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Goods or services transferred at point in time [member]",
        "terseLabel": "Goods or services transferred at point in time"
       }
      }
     },
     "localname": "GoodsOrServicesTransferredAtPointInTimeMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_GoodsOrServicesTransferredOverTimeMember": {
     "auth_ref": [
      "r371"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for goods or services transferred to customers over time. [Refer: Performance obligations satisfied over time [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Goods or services transferred over time [member]",
        "terseLabel": "Streaming agreements (over time)"
       }
      }
     },
     "localname": "GoodsOrServicesTransferredOverTimeMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Goodwill": {
     "auth_ref": [
      "r13",
      "r120",
      "r123",
      "r242"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_IntangibleAssetsAndGoodwill",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Goodwill",
        "periodEndLabel": "Carrying value at end of the year",
        "periodStartLabel": "Balance at beginning of the year"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GoodwillRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r374",
      "r375"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Goodwill recognised as of acquisition date",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "GoodwillRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GrossCarryingAmountMember": {
     "auth_ref": [
      "r68",
      "r130",
      "r137",
      "r140",
      "r242",
      "r263",
      "r266",
      "r376",
      "r448",
      "r449"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the amount at which an asset is recognised before deducting any accumulated depreciation (amortisation) and accumulated impairment losses thereon. [Refer: Depreciation and amortisation expense; Impairment loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gross carrying amount [member]",
        "terseLabel": "Cost"
       }
      }
     },
     "localname": "GrossCarryingAmountMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_GrossLeaseLiabilities": {
     "auth_ref": [
      "r219",
      "r381"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gross lease liabilities",
        "terseLabel": "Gross lease liabilities"
       }
      }
     },
     "localname": "GrossLeaseLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GrossProfit": {
     "auth_ref": [
      "r323"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of revenue less cost of sales. [Refer: Cost of sales; Revenue]"
       }
      }
     },
     "localname": "GrossProfit",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed": {
     "auth_ref": [
      "r373",
      "r375"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Identifiable assets acquired (liabilities assumed)",
        "negatedLabel": "Fair value of identifiable net assets acquired",
        "totalLabel": "Fair value of identifiable net assets acquired"
       }
      }
     },
     "localname": "IdentifiableAssetsAcquiredLiabilitiesAssumed",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r373",
      "r375"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for identifiable intangible assets acquired in a business combination. [Refer: Intangible assets other than goodwill; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Identifiable intangible assets recognised as of acquisition date",
        "terseLabel": "Intangible assets"
       }
      }
     },
     "localname": "IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLoss": {
     "auth_ref": [
      "r113",
      "r115"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of impairment loss recognised in profit or loss. [Refer: Impairment loss; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss",
        "negatedLabel": "Impairment"
       }
      }
     },
     "localname": "ImpairmentLossRecognisedInProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill": {
     "auth_ref": [
      "r240"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss, goodwill",
        "terseLabel": "Impairment"
       }
      }
     },
     "localname": "ImpairmentLossRecognisedInProfitOrLossGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment": {
     "auth_ref": [
      "r51",
      "r73"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss, property, plant and equipment",
        "negatedTerseLabel": "Impairment",
        "terseLabel": "Impairment"
       }
      }
     },
     "localname": "ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss": {
     "auth_ref": [
      "r55"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 10.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 10.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of impairment loss or reversal of impairment loss recognised in profit or loss. [Refer: Impairment loss recognised in profit or loss; Reversal of impairment loss recognised in profit or loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Impairment loss (reversal of impairment loss) recognised in profit or loss",
        "negatedLabel": "Reversal of impairments/(impairments)",
        "negatedTotalLabel": "Total reversal of impairments/(impairments)",
        "terseLabel": "Impairment loss (reversal of impairment loss)",
        "verboseLabel": "(Reversal of impairments)/impairments"
       }
      }
     },
     "localname": "ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/EarningspershareDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit or loss [abstract]",
        "terseLabel": "Profit or loss [abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_IncomeTaxExpenseContinuingOperations": {
     "auth_ref": [
      "r48",
      "r58",
      "r60",
      "r61",
      "r101",
      "r186",
      "r287"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement_1": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tax expense (income)",
        "negatedLabel": "Mining and income tax",
        "negatedTerseLabel": "Total mining and income tax",
        "negatedTotalLabel": "Total mining and income tax"
       }
      }
     },
     "localname": "IncomeTaxExpenseContinuingOperations",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome": {
     "auth_ref": [
      "r49",
      "r59"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Income tax relating to components of other comprehensive income",
        "terseLabel": "Deferred tax recognised in other comprehensive income"
       }
      }
     },
     "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities": {
     "auth_ref": [
      "r147",
      "r349"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 4.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Income taxes paid (refund), classified as operating activities",
        "negatedLabel": "Tax paid"
       }
      }
     },
     "localname": "IncomeTaxesPaidRefundClassifiedAsOperatingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges": {
     "auth_ref": [
      "r152"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in cash and cash equivalents before the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in cash and cash equivalents before effect of exchange rate changes",
        "terseLabel": "Net increase in cash and cash equivalents",
        "totalLabel": "Net (decrease)/increase in cash and cash equivalents"
       }
      }
     },
     "localname": "IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset": {
     "auth_ref": [
      "r423"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in a deferred tax liability (asset). [Refer: Deferred tax liability (asset)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in deferred tax liability (asset)",
        "negatedTerseLabel": "Derecognition of deferred tax asset"
       }
      }
     },
     "localname": "IncreaseDecreaseInDeferredTaxLiabilityAsset",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInWorkingCapital": {
     "auth_ref": [
      "r439"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 9.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in working capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in working capital",
        "negatedLabel": "Change in working capital",
        "negatedTotalLabel": "Total change in working capital"
       }
      }
     },
     "localname": "IncreaseDecreaseInWorkingCapital",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions": {
     "auth_ref": [
      "r127"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in other provisions resulting from a change in discount rate. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through change in discount rate, other provisions",
        "terseLabel": "Change in estimate recognised in profit or loss"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl": {
     "auth_ref": [
      "r6"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity",
        "negatedTerseLabel": "Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity",
        "verboseLabel": "Transaction with shareholders"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary": {
     "auth_ref": [
      "r412"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the disposal of subsidiaries. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through disposal of subsidiary, equity",
        "terseLabel": "Sale of Lonmin Canada Incorporated (Lonmin Canada)"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughDisposalOfSubsidiary",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset": {
     "auth_ref": [
      "r423"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, deferred tax liability (asset)",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill": {
     "auth_ref": [
      "r241"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, goodwill",
        "verboseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill": {
     "auth_ref": [
      "r133"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in intangible assets other than goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, intangible assets other than goodwill",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment": {
     "auth_ref": [
      "r75"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, property, plant and equipment",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions": {
     "auth_ref": [
      "r6"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through share-based payment transactions, equity",
        "terseLabel": "Equity-settled share-based payments"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions": {
     "auth_ref": [
      "r127"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase in other provisions through adjustments arising from the passage of time. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase through adjustments arising from passage of time, other provisions",
        "terseLabel": "Interest charge"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment": {
     "auth_ref": [
      "r425"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through transfers, property, plant and equipment",
        "terseLabel": "Transfers between classes of property, plant and equipment"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis": {
     "auth_ref": [
      "r119"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Individual assets or cash-generating units [axis]",
        "terseLabel": "Individual assets or cash-generating units [axis]"
       }
      }
     },
     "localname": "IndividualAssetsOrCashgeneratingUnitsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_IntangibleAssetsAndGoodwill": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 4.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Intangible assets and goodwill",
        "terseLabel": "Goodwill and other intangibles",
        "totalLabel": "Total goodwill and other intangibles"
       }
      }
     },
     "localname": "IntangibleAssetsAndGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IntangibleAssetsOtherThanGoodwill": {
     "auth_ref": [
      "r13",
      "r134"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_IntangibleAssetsAndGoodwill",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Intangible assets other than goodwill",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at beginning of the year"
       }
      }
     },
     "localname": "IntangibleAssetsOtherThanGoodwill",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestExpenseOnBorrowings": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest expense on borrowings",
        "negatedLabel": "Borrowings (interest)",
        "netLabel": "Accrued interest",
        "terseLabel": "Interest expense on borrowings",
        "verboseLabel": "Accrued interest (related to the 2022 and 2025 Notes, 2026 and 2029 Notes, US$ Convertible Bond and the RCFs)"
       }
      }
     },
     "localname": "InterestExpenseOnBorrowings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestExpenseOnLeaseLiabilities": {
     "auth_ref": [
      "r212"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest expense on lease liabilities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest expense on lease liabilities",
        "negatedLabel": "Lease liabilities",
        "terseLabel": "Interest charge"
       }
      }
     },
     "localname": "InterestExpenseOnLeaseLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestIncomeOnCashAndCashEquivalents": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest income on cash and cash equivalents. [Refer: Interest income; Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest income on cash and cash equivalents",
        "terseLabel": "Interest received on cash deposits"
       }
      }
     },
     "localname": "InterestIncomeOnCashAndCashEquivalents",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestIncomeOnDeposits": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest income on deposits. [Refer: Interest income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest income on deposits",
        "terseLabel": "Interest received on rehabilitation obligation funds"
       }
      }
     },
     "localname": "InterestIncomeOnDeposits",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestIncomeOnOtherFinancialAssets": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest income on other financial assets. [Refer: Interest income; Other financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest income on other financial assets",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "InterestIncomeOnOtherFinancialAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestPaidClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r146"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for interest paid, classified as financing activities."
       }
      },
      "en-us": {
       "role": {
        "label": "Interest paid, classified as financing activities",
        "negatedLabel": "Accrued interest paid",
        "negatedTerseLabel": "Accrued interest paid"
       }
      }
     },
     "localname": "InterestPaidClassifiedAsFinancingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestPaidClassifiedAsOperatingActivities": {
     "auth_ref": [
      "r146"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails": {
       "order": 2.0,
       "parentTag": "sbsw_InterestPaidReceivedClassifiedAsOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for interest paid, classified as operating activities."
       }
      },
      "en-us": {
       "role": {
        "label": "Interest paid, classified as operating activities",
        "negatedTerseLabel": "Interest paid"
       }
      }
     },
     "localname": "InterestPaidClassifiedAsOperatingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestRateRiskMember": {
     "auth_ref": [
      "r282",
      "r308",
      "r309",
      "r310",
      "r311"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the type of risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market interest rates. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest rate risk [member]",
        "terseLabel": "Interest rate risk"
       }
      }
     },
     "localname": "InterestRateRiskMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_InterestRateTypesMember": {
     "auth_ref": [
      "r445"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all types of interest rates. It also represents the standard value for the 'Types of interest rates' axis if no other member is used. [Refer: Interest rate risk [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest rate types [member]",
        "terseLabel": "Interest rate types [member]"
       }
      }
     },
     "localname": "InterestRateTypesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_InterestReceivedClassifiedAsOperatingActivities": {
     "auth_ref": [
      "r146"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails": {
       "order": 1.0,
       "parentTag": "sbsw_InterestPaidReceivedClassifiedAsOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from interest received, classified as operating activities."
       }
      },
      "en-us": {
       "role": {
        "label": "Interest received, classified as operating activities",
        "terseLabel": "Interest received"
       }
      }
     },
     "localname": "InterestReceivedClassifiedAsOperatingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_Inventories": {
     "auth_ref": [
      "r16",
      "r86",
      "r325"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 5.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current inventories. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current inventories",
        "terseLabel": "Inventories",
        "totalLabel": "Inventories"
       }
      }
     },
     "localname": "Inventories",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InventoriesTotal": {
     "auth_ref": [
      "r16"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]"
       }
      },
      "en-us": {
       "role": {
        "label": "Inventories",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "InventoriesTotal",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InventoryRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r373",
      "r375"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 13.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for inventory acquired in a business combination. [Refer: Inventories; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Inventory recognised as of acquisition date",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "InventoryRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InvestmentAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r15",
      "r188",
      "r289"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 8.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Investments accounted for using equity method",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at the beginning of the year",
        "terseLabel": "Equity-accounted investments",
        "totalLabel": "Equity-accounted investments",
        "verboseLabel": "Total equity-accounted investments"
       }
      }
     },
     "localname": "InvestmentAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments accounted for using equity method [abstract]",
        "terseLabel": "Investments accounted for using equity method [abstract]"
       }
      }
     },
     "localname": "InvestmentsAccountedForUsingEquityMethodAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_InvestmentsAccountedForUsingEquityMethodMember": {
     "auth_ref": [
      "r431"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      },
      "en-us": {
       "role": {
        "label": "Investments accounted for using equity method [member]",
        "terseLabel": "Investment in equity-accounted investee"
       }
      }
     },
     "localname": "InvestmentsAccountedForUsingEquityMethodMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r416"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of investments in associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method]"
       }
      },
      "en-us": {
       "role": {
        "label": "Investments in associates accounted for using equity method",
        "terseLabel": "Investments in associates accounted for using equity method"
       }
      }
     },
     "localname": "InvestmentsInAssociatesAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis": {
     "auth_ref": [
      "r250"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Investments in equity instruments designated at fair value through other comprehensive income [axis]",
        "terseLabel": "Investments in equity instruments designated at fair value through other comprehensive income [axis]"
       }
      }
     },
     "localname": "InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r250",
      "r277"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for investments in equity instruments that the entity has designated at fair value through other comprehensive income. It also represents the standard value for the 'Investments in equity instruments designated at fair value through other comprehensive income' axis if no other member is used. [Refer: At fair value [member]; Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Investments in equity instruments designated at fair value through other comprehensive income [member]",
        "terseLabel": "Designated at FVTOCI investments:"
       }
      }
     },
     "localname": "InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_IssuedCapital": {
     "auth_ref": [
      "r329"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The nominal value of capital issued."
       }
      },
      "en-us": {
       "role": {
        "label": "Issued capital",
        "terseLabel": "Stated share capital"
       }
      }
     },
     "localname": "IssuedCapital",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IssuedCapitalMember": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing issued capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Issued capital [member]",
        "terseLabel": "Stated share capital"
       }
      }
     },
     "localname": "IssuedCapitalMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_JointOperationsAxis": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Joint operations [axis]",
        "terseLabel": "Joint operations [axis]"
       }
      }
     },
     "localname": "JointOperationsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_JointOperationsMember": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for joint arrangements whereby the parties that have joint control of the arrangement have rights to the assets, and obligations for the liabilities, relating to the arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Joint operations [member]",
        "terseLabel": "Joint Operations"
       }
      }
     },
     "localname": "JointOperationsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_JointVenturesAxis": {
     "auth_ref": [
      "r103",
      "r105",
      "r190",
      "r318",
      "r320"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Joint ventures [axis]",
        "terseLabel": "Joint ventures [axis]"
       }
      }
     },
     "localname": "JointVenturesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_KeyManagementPersonnelCompensation": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel compensation",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensation",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsKeymanagementremunerationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits": {
     "auth_ref": [
      "r91"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, post-employment benefits",
        "terseLabel": "Pension scheme total contributions",
        "verboseLabel": "Post-employment benefits"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationPostemploymentBenefits",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsKeymanagementremunerationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, share-based payment",
        "terseLabel": "Accrual of share-based payment benefits",
        "verboseLabel": "Share-based payment"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationSharebasedPayment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsKeymanagementremunerationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": {
     "auth_ref": [
      "r90"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, short-term employee benefits",
        "terseLabel": "Salary",
        "verboseLabel": "Short-term employee benefits"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsKeymanagementremunerationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelOfEntityOrParentMember": {
     "auth_ref": [
      "r96"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for those persons having authority and responsibility for planning, directing and controlling the activities of the entity, directly or indirectly, including any director (whether executive or otherwise) of that entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel of entity or parent [member]",
        "terseLabel": "Directors and Prescribed officers"
       }
      }
     },
     "localname": "KeyManagementPersonnelOfEntityOrParentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LandMember": {
     "auth_ref": [
      "r336"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing land held by the entity for use in operations. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Land [member]",
        "terseLabel": "Land, mineral rights and rehabilitation"
       }
      }
     },
     "localname": "LandMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanFiveYearsMember": {
     "auth_ref": [
      "r220",
      "r221",
      "r313",
      "r380",
      "r384",
      "r386"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than five years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than five years [member]",
        "terseLabel": "After five years"
       }
      }
     },
     "localname": "LaterThanFiveYearsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember": {
     "auth_ref": [
      "r379",
      "r386"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than five years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than one year and not later than five years [member]",
        "terseLabel": "Between one and five years"
       }
      }
     },
     "localname": "LaterThanOneYearAndNotLaterThanFiveYearsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember": {
     "auth_ref": [
      "r220",
      "r221",
      "r313",
      "r380",
      "r386",
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than two years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than one year and not later than two years [member]",
        "terseLabel": "Between one and two years"
       }
      }
     },
     "localname": "LaterThanOneYearAndNotLaterThanTwoYearsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember": {
     "auth_ref": [
      "r380",
      "r383",
      "r386"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than three years and not later than five years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than three years and not later than five years [member]",
        "terseLabel": "Later than three years and not later than five years [member]"
       }
      }
     },
     "localname": "LaterThanThreeYearsAndNotLaterThanFiveYearsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember": {
     "auth_ref": [
      "r220",
      "r221",
      "r313",
      "r380",
      "r386",
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than two years and not later than three years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than two years and not later than three years [member]",
        "terseLabel": "Between one and two years"
       }
      }
     },
     "localname": "LaterThanTwoYearsAndNotLaterThanThreeYearsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LeaseLiabilities": {
     "auth_ref": [
      "r210"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration."
       }
      },
      "en-us": {
       "role": {
        "label": "Lease liabilities",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at beginning of the year"
       }
      }
     },
     "localname": "LeaseLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LeaseLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease liabilities [abstract]",
        "terseLabel": "Lease liabilities [abstract]"
       }
      }
     },
     "localname": "LeaseLiabilitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_LegalProceedingsProvision": {
     "auth_ref": [
      "r346",
      "r348"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of provision for legal proceedings. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Legal proceedings provision",
        "periodEndLabel": "Balance at the end of the year",
        "periodStartLabel": "Balance at beginning of the year",
        "terseLabel": "Legal proceedings provision",
        "verboseLabel": "Occupational healthcare obligation"
       }
      }
     },
     "localname": "LegalProceedingsProvision",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LegalProceedingsProvisionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Legal proceedings provision [abstract]",
        "terseLabel": "Legal proceedings provision [abstract]"
       }
      }
     },
     "localname": "LegalProceedingsProvisionAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_LegalProceedingsProvisionMember": {
     "auth_ref": [
      "r346",
      "r348"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a provision for legal proceedings. [Refer: Other provisions [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Legal proceedings provision [member]",
        "terseLabel": "Occupational Healthcare provision"
       }
      }
     },
     "localname": "LegalProceedingsProvisionMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Level1OfFairValueHierarchyMember": {
     "auth_ref": [
      "r83",
      "r194"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date."
       }
      },
      "en-us": {
       "role": {
        "label": "Level 1 of fair value hierarchy [member]",
        "terseLabel": "Level 1"
       }
      }
     },
     "localname": "Level1OfFairValueHierarchyMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Level2OfFairValueHierarchyMember": {
     "auth_ref": [
      "r194"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly."
       }
      },
      "en-us": {
       "role": {
        "label": "Level 2 of fair value hierarchy [member]",
        "terseLabel": "Level 2"
       }
      }
     },
     "localname": "Level2OfFairValueHierarchyMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Level3OfFairValueHierarchyMember": {
     "auth_ref": [
      "r194"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are unobservable inputs for the asset or liability. Unobservable inputs are inputs for which market data are not available and that are developed using the best information available about the assumptions that the market participants would use when pricing the asset or liability."
       }
      },
      "en-us": {
       "role": {
        "label": "Level 3 of fair value hierarchy [member]",
        "terseLabel": "Level 3"
       }
      }
     },
     "localname": "Level3OfFairValueHierarchyMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LevelsOfFairValueHierarchyAxis": {
     "auth_ref": [
      "r83",
      "r194"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Levels of fair value hierarchy [axis]",
        "terseLabel": "Levels of fair value hierarchy [axis]"
       }
      }
     },
     "localname": "LevelsOfFairValueHierarchyAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_Liabilities": {
     "auth_ref": [
      "r24",
      "r193",
      "r194",
      "r196",
      "r288",
      "r294"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      },
      "en-us": {
       "role": {
        "label": "Liabilities",
        "terseLabel": "Liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011": {
     "auth_ref": [
      "r228"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Liabilities from share-based payment transactions",
        "periodEndLabel": "Liabilities from share-based payment transactions end balance",
        "periodStartLabel": "Liabilities from share-based payment transactions beginning balance",
        "terseLabel": "Share-based payment obligation on acquisition/deconsolidation of subsidiary"
       }
      }
     },
     "localname": "LiabilitiesFromSharebasedPaymentTransactions2011",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LiabilitiesMember": {
     "auth_ref": [
      "r197"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of liabilities' axis if no other member is used. [Refer: Liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Liabilities [member]",
        "terseLabel": "Liabilities [member]"
       }
      }
     },
     "localname": "LiabilitiesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LiabilityAssetOfDefinedBenefitPlans": {
     "auth_ref": [
      "r82"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 4.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]"
       }
      }
     },
     "localname": "LiabilityAssetOfDefinedBenefitPlans",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LongtermBorrowings": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_Borrowings",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The non-current portion of non-current borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current portion of non-current borrowings",
        "terseLabel": "Borrowings",
        "verboseLabel": "Non-current portion of borrowings"
       }
      }
     },
     "localname": "LongtermBorrowings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LongtermLegalProceedingsProvision": {
     "auth_ref": [
      "r346",
      "r348"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 5.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_LegalProceedingsProvision",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current provision for legal proceedings. [Refer: Legal proceedings provision]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current legal proceedings provision",
        "terseLabel": "Occupational healthcare obligation",
        "totalLabel": "Non-current portion of occupational healthcare obligation"
       }
      }
     },
     "localname": "LongtermLegalProceedingsProvision",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts": {
     "auth_ref": [
      "r346",
      "r347"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 3.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current provision for decommissioning, restoration and rehabilitation costs",
        "periodEndLabel": "Balance at the end of the year",
        "periodStartLabel": "Balance at beginning of the year",
        "terseLabel": "Environmental rehabilitation obligation and other provisions",
        "totalLabel": "Environmental rehabilitation obligation and other provisions"
       }
      }
     },
     "localname": "LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_MajorBusinessCombinationMember": {
     "auth_ref": [
      "r331"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for major business combinations. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Major business combination [member]",
        "terseLabel": "Major business combination"
       }
      }
     },
     "localname": "MajorBusinessCombinationMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_MarketsOfCustomersAxis": {
     "auth_ref": [
      "r370"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Markets of customers [axis]",
        "terseLabel": "Markets of customers [axis]"
       }
      }
     },
     "localname": "MarketsOfCustomersAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_MarketsOfCustomersMember": {
     "auth_ref": [
      "r370"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all markets of customers. It also represents the standard value for the 'Markets of customers' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Markets of customers [member]",
        "terseLabel": "Markets of customers [member]"
       }
      }
     },
     "localname": "MarketsOfCustomersMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_MaterialReconcilingItemsMember": {
     "auth_ref": [
      "r296"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for material adjustments used to reconcile items in the entity's financial statements."
       }
      },
      "en-us": {
       "role": {
        "label": "Material reconciling items [member]",
        "terseLabel": "Material reconciling items"
       }
      }
     },
     "localname": "MaterialReconcilingItemsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_MaturityAxis": {
     "auth_ref": [
      "r27",
      "r207",
      "r220",
      "r221",
      "r254",
      "r270",
      "r304",
      "r305",
      "r307",
      "r313",
      "r340",
      "r380"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Maturity [axis]",
        "terseLabel": "Maturity [axis]"
       }
      }
     },
     "localname": "MaturityAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_MeasurementAxis": {
     "auth_ref": [
      "r135",
      "r139",
      "r193"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Measurement [axis]",
        "terseLabel": "Measurement [axis]"
       }
      }
     },
     "localname": "MeasurementAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_MiningAssetsMember": {
     "auth_ref": [
      "r424"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for mining assets. [Refer: Mining assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Mining assets [member]",
        "terseLabel": "Mining assets",
        "verboseLabel": "Mine development, infrastructure and other"
       }
      }
     },
     "localname": "MiningAssetsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_MiscellaneousOtherOperatingExpense": {
     "auth_ref": [
      "r413"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of miscellaneous other operating expenses. [Refer: Other operating income (expense)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Miscellaneous other operating expense",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "MiscellaneousOtherOperatingExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NetAssetsLiabilities": {
     "auth_ref": [
      "r361",
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets less the amount of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Assets (liabilities)",
        "totalLabel": "Net assets (liabilities)",
        "verboseLabel": "Net assets"
       }
      }
     },
     "localname": "NetAssetsLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NetDeferredTaxAssets": {
     "auth_ref": [
      "r421"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Net deferred tax assets",
        "negatedLabel": "Deferred tax assets",
        "terseLabel": "Deferred tax assets"
       }
      }
     },
     "localname": "NetDeferredTaxAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NetDeferredTaxLiabilities": {
     "auth_ref": [
      "r421"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 10.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Net deferred tax liabilities",
        "terseLabel": "Deferred tax liabilities"
       }
      }
     },
     "localname": "NetDeferredTaxLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NewIFRSsAxis": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "New IFRSs [axis]",
        "terseLabel": "New IFRSs [axis]"
       }
      }
     },
     "localname": "NewIFRSsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NewIFRSsMember": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for IFRSs that have been issued but are not yet effective. It also represents the standard value for the 'New IFRSs' axis if no other member is used. [Refer: IFRSs [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "New IFRSs [member]",
        "terseLabel": "New IFRSs [member]"
       }
      }
     },
     "localname": "NewIFRSsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NominalAmountOfHedgingInstrument": {
     "auth_ref": [
      "r254",
      "r256"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The nominal amount of a hedging instrument. [Refer: Hedging instruments [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Nominal amount of hedging instrument",
        "terseLabel": "Quantity of hedged instrument (in kg/ounce)"
       }
      }
     },
     "localname": "NominalAmountOfHedgingInstrument",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": {
     "auth_ref": [
      "r56"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [axis]",
        "terseLabel": "Non-adjusting events after reporting period [axis]"
       }
      }
     },
     "localname": "NonadjustingEventsAfterReportingPeriodAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NonadjustingEventsMember": {
     "auth_ref": [
      "r56"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [member]",
        "terseLabel": "Non-adjusting events after reporting period [member]"
       }
      }
     },
     "localname": "NonadjustingEventsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NoncontrollingInterests": {
     "auth_ref": [
      "r22",
      "r166",
      "r170"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-controlling interests",
        "terseLabel": "Non-controlling interests"
       }
      }
     },
     "localname": "NoncontrollingInterests",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncontrollingInterestsMember": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for equity in a subsidiary not attributable, directly or indirectly, to the parent."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-controlling interests [member]",
        "terseLabel": "Non- controlling interests"
       }
      }
     },
     "localname": "NoncontrollingInterestsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NoncurrentAssets": {
     "auth_ref": [
      "r28",
      "r178",
      "r362"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_NetAssetsLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that do not meet the definition of current assets. [Refer: Current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current assets",
        "terseLabel": "Non-current assets",
        "totalLabel": "Non-current assets"
       }
      }
     },
     "localname": "NoncurrentAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale": {
     "auth_ref": [
      "r247"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 6.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current assets or disposal groups classified as held for sale",
        "terseLabel": "Asset held for sale"
       }
      }
     },
     "localname": "NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentAssetsRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r444"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Expiry date 2022-01-01: The amount recognised as of the acquisition date for non-current assets acquired in a business combination. [Refer: Business combinations [member]]\nEffective 2022-01-01: The amount recognised as of the acquisition date for non-current assets acquired in a business combination. [Refer: Non-current assets; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current assets recognised as of acquisition date",
        "terseLabel": "Other receivables \u2014 non-current"
       }
      }
     },
     "localname": "NoncurrentAssetsRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentContractLiabilities": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 7.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_ContractLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current contract liabilities. [Refer: Contract liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current contract liabilities",
        "terseLabel": "Deferred revenue",
        "verboseLabel": "Non-current portion of deferred revenue"
       }
      }
     },
     "localname": "NoncurrentContractLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentLeaseLiabilities": {
     "auth_ref": [
      "r210"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_LeaseLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current lease liabilities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current lease liabilities",
        "terseLabel": "Lease liabilities",
        "verboseLabel": "Non-current lease liabilities"
       }
      }
     },
     "localname": "NoncurrentLeaseLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentLiabilities": {
     "auth_ref": [
      "r29",
      "r180",
      "r362"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_NetAssetsLiabilities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities that do not meet the definition of current liabilities. [Refer: Current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current liabilities",
        "negatedLabel": "Non-current liabilities",
        "negatedTerseLabel": "Non-current liabilities",
        "negatedTotalLabel": "Non-current liabilities",
        "totalLabel": "Non-current liabilities"
       }
      }
     },
     "localname": "NoncurrentLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r444"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Expiry date 2022-01-01: The amount recognised as of the acquisition date for non-current liabilities assumed in a business combination. [Refer: Business combinations [member]]\nEffective 2022-01-01: The amount recognised as of the acquisition date for non-current liabilities assumed in a business combination. [Refer: Non-current liabilities; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current liabilities recognised as of acquisition date",
        "negatedLabel": "Other payables \u2014 non-current"
       }
      }
     },
     "localname": "NoncurrentLiabilitiesRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentPrepayments": {
     "auth_ref": [
      "r327"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails_1": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current prepayments. [Refer: Prepayments]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current prepayments",
        "terseLabel": "Pre-paid royalties"
       }
      }
     },
     "localname": "NoncurrentPrepayments",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows": {
     "auth_ref": [
      "r268"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-derivative financial liabilities, undiscounted cash flows",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NotLaterThanOneYearMember": {
     "auth_ref": [
      "r26",
      "r220",
      "r221",
      "r313",
      "r380",
      "r386"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of not later than one year."
       }
      },
      "en-us": {
       "role": {
        "label": "Not later than one year [member]",
        "terseLabel": "Within one year"
       }
      }
     },
     "localname": "NotLaterThanOneYearMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/LeaseliabilitiesUndiscountedmaturityanalysisofleaseliabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember": {
     "auth_ref": [
      "r198"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for items not measured at fair value in the statement of financial position but for which fair value is disclosed. [Refer: At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Not measured at fair value in statement of financial position but for which fair value is disclosed [member]",
        "terseLabel": "Carrying value"
       }
      }
     },
     "localname": "NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NotionalAmount": {
     "auth_ref": [
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The nominal or face amount of a financial instrument, used to calculate payments made on that instrument."
       }
      },
      "en-us": {
       "role": {
        "label": "Notional amount",
        "terseLabel": "Loan",
        "verboseLabel": "Face amount of debt"
       }
      }
     },
     "localname": "NotionalAmount",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails",
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable": {
     "auth_ref": [
      "r231"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of instruments or interests issued or issuable",
        "terseLabel": "Number of instruments or interests issued or issuable (in shares)"
       }
      }
     },
     "localname": "NumberOfInstrumentsOrInterestsIssuedOrIssuable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted": {
     "auth_ref": [
      "r226",
      "r443"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of other equity instruments granted in share-based payment arrangement",
        "terseLabel": "Granted during the year (in shares)"
       }
      }
     },
     "localname": "NumberOfInstrumentsOtherEquityInstrumentsGranted",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r443"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of other equity instruments exercised or vested in share-based payment arrangement",
        "negatedLabel": "Vested (in shares)",
        "terseLabel": "Instruments exercised (in shares)"
       }
      }
     },
     "localname": "NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r443"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of other equity instruments forfeited in share-based payment arrangement",
        "negatedLabel": "Forfeited (in shares)",
        "terseLabel": "Instruments forfeited (in shares)"
       }
      }
     },
     "localname": "NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r443"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of other equity instruments outstanding in share-based payment arrangement",
        "periodEndLabel": "Outstanding at end of the year (in shares)",
        "periodStartLabel": "Outstanding at beginning of the year (in shares)"
       }
      }
     },
     "localname": "NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfSharesAuthorised": {
     "auth_ref": [
      "r34"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of shares authorised."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of shares authorised",
        "terseLabel": "Authorised number of shares (in shares)"
       }
      }
     },
     "localname": "NumberOfSharesAuthorised",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_NumberOfSharesIssued": {
     "auth_ref": [
      "r412"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of shares issued by the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of shares issued",
        "periodEndLabel": "Number of shares in issue at end of the year (in shares)",
        "periodStartLabel": "Number of shares in issue at beginning of the year (in shares)",
        "terseLabel": "Number of shares issued (in shares)"
       }
      }
     },
     "localname": "NumberOfSharesIssued",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_OfficeEquipmentMember": {
     "auth_ref": [
      "r337"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing equipment used to support office functions, not specifically used in the production process. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Office equipment [member]",
        "terseLabel": "Furniture and equipment"
       }
      }
     },
     "localname": "OfficeEquipmentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OperatingSegmentsMember": {
     "auth_ref": [
      "r296"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for operating segments. An operating segment is a component of an entity: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same entity); (b) whose operating results are regularly reviewed by the entity\u2019s chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance; and (c) for which discrete financial information is available. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Operating segments [member]",
        "terseLabel": "Operating segments"
       }
      }
     },
     "localname": "OperatingSegmentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OtherAdjustmentsToReconcileProfitLoss": {
     "auth_ref": [
      "r143"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 16.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Adjustments to reconcile profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other adjustments to reconcile profit (loss)",
        "terseLabel": "Other non-cash and cash adjusting items"
       }
      }
     },
     "localname": "OtherAdjustmentsToReconcileProfitLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherComprehensiveIncome": {
     "auth_ref": [
      "r5",
      "r39",
      "r50",
      "r183"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome": {
       "order": 2.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other comprehensive income",
        "terseLabel": "Other comprehensive income",
        "totalLabel": "Other comprehensive income, net of tax",
        "verboseLabel": "Other comprehensive income"
       }
      }
     },
     "localname": "OtherComprehensiveIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation": {
     "auth_ref": [
      "r30",
      "r50"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, after reclassification adjustments, related to exchange differences when financial statements of foreign operations are translated. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other comprehensive income, net of tax, exchange differences on translation of foreign operations",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": {
     "auth_ref": [
      "r30",
      "r50",
      "r426"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans",
        "terseLabel": "Re-measurement of defined benefit plan"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentAssets": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current assets",
        "terseLabel": "Other current assets"
       }
      }
     },
     "localname": "OtherCurrentAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentLiabilities": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current liabilities",
        "negatedLabel": "Other current liabilities"
       }
      }
     },
     "localname": "OtherCurrentLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentPayables": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 3.0,
       "parentTag": "sbsw_CurrentTradeAndOtherPayablesExcludingEmployeeBenefits",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current payables that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other current payables",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherCurrentPayables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentReceivables": {
     "auth_ref": [
      "r327"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 4.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current other receivables. [Refer: Other receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current receivables",
        "negatedLabel": "Current portion of other receivables",
        "terseLabel": "Other receivables"
       }
      }
     },
     "localname": "OtherCurrentReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherExpenseByNature": {
     "auth_ref": [
      "r55",
      "r322"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 8.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other expenses, by nature",
        "negatedLabel": "Other costs",
        "negatedTotalLabel": "Total other costs"
       }
      }
     },
     "localname": "OtherExpenseByNature",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherFinanceCost": {
     "auth_ref": [
      "r413"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of finance costs that the entity does not separately disclose in the same statement or note. [Refer: Finance costs]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other finance cost",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "OtherFinanceCost",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherGainsLosses": {
     "auth_ref": [
      "r409",
      "r410"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 14.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "localname": "OtherGainsLosses",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherIncome": {
     "auth_ref": [
      "r100",
      "r322",
      "r323"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 14.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of operating income that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other income",
        "terseLabel": "Other income",
        "totalLabel": "Other income"
       }
      }
     },
     "localname": "OtherIncome",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherInventories": {
     "auth_ref": [
      "r429"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of inventory that the entity does not separately disclose in the same statement or note. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current inventories",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherInventories",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentFinancialAssets": {
     "auth_ref": [
      "r14"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 7.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current financial assets",
        "terseLabel": "Other investments"
       }
      }
     },
     "localname": "OtherNoncurrentFinancialAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentLiabilities": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current liabilities",
        "negatedLabel": "Other non-current liabilities"
       }
      }
     },
     "localname": "OtherNoncurrentLiabilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentPayables": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 8.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current payables that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current payables",
        "terseLabel": "Other payables"
       }
      }
     },
     "localname": "OtherNoncurrentPayables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentReceivables": {
     "auth_ref": [
      "r327"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 3.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current other receivables. [Refer: Other receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current receivables",
        "terseLabel": "Other receivables"
       }
      }
     },
     "localname": "OtherNoncurrentReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherOperatingIncomeExpense": {
     "auth_ref": [
      "r419"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of operating income (expense) that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other operating income (expense)",
        "terseLabel": "Adjustments relating to sales of PGM concentrate"
       }
      }
     },
     "localname": "OtherOperatingIncomeExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherPayables": {
     "auth_ref": [
      "r416"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Amounts payable that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other payables",
        "terseLabel": "Other payables",
        "totalLabel": "Total other payables"
       }
      }
     },
     "localname": "OtherPayables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherPropertyPlantAndEquipmentMember": {
     "auth_ref": [
      "r424"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing property, plant and equipment that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other property, plant and equipment [member]",
        "terseLabel": "Other property, plant and equipment"
       }
      }
     },
     "localname": "OtherPropertyPlantAndEquipmentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OtherProvisions": {
     "auth_ref": [
      "r32",
      "r125"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of provisions other than provisions for employee benefits. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other provisions",
        "terseLabel": "Other provisions"
       }
      }
     },
     "localname": "OtherProvisions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherProvisionsMember": {
     "auth_ref": [
      "r128"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for provisions other than provisions for employee benefits. It also represents the standard value for the 'Classes of other provisions' axis if no other member is used. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other provisions [member]",
        "terseLabel": "Other provisions"
       }
      }
     },
     "localname": "OtherProvisionsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OtherReceivables": {
     "auth_ref": [
      "r327"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails_1": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount receivable by the entity that it does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other receivables",
        "terseLabel": "Other receivables"
       }
      }
     },
     "localname": "OtherReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherReserves": {
     "auth_ref": [
      "r329"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 2.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other reserves",
        "terseLabel": "Other reserves"
       }
      }
     },
     "localname": "OtherReserves",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherTemporaryDifferencesMember": {
     "auth_ref": [
      "r422"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for temporary differences that the entity does not separately disclose in the same statement or note. [Refer: Temporary differences [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other temporary differences [member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherTemporaryDifferencesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_PaymentsFromChangesInOwnershipInterestsInSubsidiaries": {
     "auth_ref": [
      "r150",
      "r151"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for changes in ownership interests in subsidiaries that do not result in a loss of control. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Payments from changes in ownership interests in subsidiaries that do not result in loss of control",
        "negatedTerseLabel": "Acquisition of non-controlling interests"
       }
      }
     },
     "localname": "PaymentsFromChangesInOwnershipInterestsInSubsidiaries",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r357"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Payments of lease liabilities, classified as financing activities",
        "negatedLabel": "Lease payments"
       }
      }
     },
     "localname": "PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PaymentsToAcquireOrRedeemEntitysShares": {
     "auth_ref": [
      "r354"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 4.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow to acquire or redeem entity's shares."
       }
      },
      "en-us": {
       "role": {
        "label": "Payments to acquire or redeem entity's shares",
        "negatedLabel": "Share buy-back"
       }
      }
     },
     "localname": "PaymentsToAcquireOrRedeemEntitysShares",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PercentageOfVotingEquityInterestsAcquired": {
     "auth_ref": [
      "r229"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Percentage of voting equity interests acquired",
        "terseLabel": "Percentage of voting equity interests acquired"
       }
      }
     },
     "localname": "PercentageOfVotingEquityInterestsAcquired",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_PlantsMember": {
     "auth_ref": [
      "r433"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for plants."
       }
      },
      "en-us": {
       "role": {
        "label": "Plants [member]",
        "terseLabel": "Sandouville plant"
       }
      }
     },
     "localname": "PlantsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans": {
     "auth_ref": [
      "r84"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods."
       }
      },
      "en-us": {
       "role": {
        "label": "Post-employment benefit expense, defined contribution plans",
        "verboseLabel": "Post-employment benefit expense, defined contribution plans"
       }
      }
     },
     "localname": "PostemploymentBenefitExpenseDefinedContributionPlans",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PreviouslyStatedMember": {
     "auth_ref": [
      "r3",
      "r155",
      "r157",
      "r159"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the information previously stated in the financial statements (ie before retrospective application or retrospective restatement)."
       }
      },
      "en-us": {
       "role": {
        "label": "Previously stated [member]",
        "terseLabel": "As previously presented"
       }
      }
     },
     "localname": "PreviouslyStatedMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r355"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from borrowings obtained. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from borrowings, classified as financing activities",
        "verboseLabel": "Loans raised"
       }
      }
     },
     "localname": "ProceedsFromBorrowingsClassifiedAsFinancingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromIssuingOtherEquityInstruments": {
     "auth_ref": [
      "r353"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from issuing equity instruments that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from issuing other equity instruments",
        "terseLabel": "Share proceeds from instruments exercised"
       }
      }
     },
     "localname": "ProceedsFromIssuingOtherEquityInstruments",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromNoncurrentBorrowings": {
     "auth_ref": [
      "r435"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from non-current borrowings obtained. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from non-current borrowings",
        "terseLabel": "Amount of draw down from loan"
       }
      }
     },
     "localname": "ProceedsFromNoncurrentBorrowings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r434"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from sales of investments accounted for using equity method",
        "terseLabel": "Proceeds from sales of investments accounted for using equity method"
       }
      }
     },
     "localname": "ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r351"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from sales of property, plant and equipment, classified as investing activities",
        "terseLabel": "Proceeds on disposal of property, plant and equipment"
       }
      }
     },
     "localname": "ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r434"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 12.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from sales or maturity of financial instruments, classified as investing activities. [Refer: Financial instruments, class [member]]"
       }
      }
     },
     "localname": "ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProductsAndServicesAxis": {
     "auth_ref": [
      "r297",
      "r368"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Products and services [axis]",
        "terseLabel": "Products and services [axis]"
       }
      }
     },
     "localname": "ProductsAndServicesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ProductsAndServicesMember": {
     "auth_ref": [
      "r297",
      "r368"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the entity's products and services. It also represents the standard value for the 'Products and services' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Products and services [member]",
        "terseLabel": "Products and services"
       }
      }
     },
     "localname": "ProductsAndServicesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ProfitLoss": {
     "auth_ref": [
      "r4",
      "r38",
      "r142",
      "r163",
      "r165",
      "r288",
      "r292",
      "r362",
      "r391",
      "r394"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement_1": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome": {
       "order": 1.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss)",
        "terseLabel": "Profit for the year",
        "totalLabel": "Profit for the year",
        "verboseLabel": "Profit for the year"
       }
      }
     },
     "localname": "ProfitLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/Consolidatedstatementofothercomprehensiveincome",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossAttributableToAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to [abstract]",
        "terseLabel": "Attributable to:"
       }
      }
     },
     "localname": "ProfitLossAttributableToAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ProfitLossAttributableToNoncontrollingInterests": {
     "auth_ref": [
      "r41",
      "r169"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to non-controlling interests",
        "terseLabel": "Non-controlling interests (NCI)"
       }
      }
     },
     "localname": "ProfitLossAttributableToNoncontrollingInterests",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity": {
     "auth_ref": [
      "r109"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share",
        "totalLabel": "Profit attributable to owners of Sibanye-Stillwater (SA rand million)"
       }
      }
     },
     "localname": "ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossAttributableToOwnersOfParent": {
     "auth_ref": [
      "r42"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to owners of parent",
        "terseLabel": "Owners of Sibanye-Stillwater",
        "verboseLabel": "Profit attributable to the owners of Sibanye-Stillwater"
       }
      }
     },
     "localname": "ProfitLossAttributableToOwnersOfParent",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossBeforeTax": {
     "auth_ref": [
      "r246",
      "r322",
      "r323",
      "r389",
      "r390"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement_1": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) before tax expense or income. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) before tax",
        "totalLabel": "Profit before tax",
        "verboseLabel": "Profit before tax"
       }
      }
     },
     "localname": "ProfitLossBeforeTax",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossOfAcquiree": {
     "auth_ref": [
      "r236"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) of acquiree since acquisition date",
        "terseLabel": "Profit contributed"
       }
      }
     },
     "localname": "ProfitLossOfAcquiree",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossOfCombinedEntity": {
     "auth_ref": [
      "r237"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) of combined entity as if combination occurred at beginning of period",
        "terseLabel": "Profit (loss) of combined entity as if combination occurred at beginning of period"
       }
      }
     },
     "localname": "ProfitLossOfCombinedEntity",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PropertyPlantAndEquipment": {
     "auth_ref": [
      "r12",
      "r76"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period."
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment",
        "periodEndLabel": "Property, plant and equipment at end of period",
        "periodStartLabel": "Property, plant and equipment at beginning of period",
        "terseLabel": "Property, plant and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PropertyPlantAndEquipmentMember": {
     "auth_ref": [
      "r77",
      "r345",
      "r372"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for property, plant and equipment. It also represents the standard value for the 'Classes of property, plant and equipment' axis if no other member is used. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment [member]",
        "terseLabel": "Property, plant and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r373",
      "r375"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 12.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment recognised as of acquisition date",
        "terseLabel": "Property, Plant and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestInAssociate": {
     "auth_ref": [
      "r102",
      "r104",
      "r174"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in associate",
        "terseLabel": "Proportion of ownership interest in associate"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInAssociate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestInJointOperation": {
     "auth_ref": [
      "r174"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in joint operation",
        "terseLabel": "Proportion of ownership interest in joint operation",
        "verboseLabel": "Interest in joint operation (as a percent)"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInJointOperation",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestInJointVenture": {
     "auth_ref": [
      "r102",
      "r104",
      "r174"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in joint venture",
        "terseLabel": "Proportion of ownership interest in joint venture"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInJointVenture",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestInSubsidiary": {
     "auth_ref": [
      "r102",
      "r104",
      "r172"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in subsidiary",
        "terseLabel": "Proportion of ownership interest in subsidiary"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInSubsidiary",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests": {
     "auth_ref": [
      "r167"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interests held by non-controlling interests",
        "terseLabel": "Proportion of ownership interests held by non-controlling interests"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestsHeldByNoncontrollingInterests",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfVotingRightsHeldByNoncontrollingInterests": {
     "auth_ref": [
      "r168"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of the voting rights in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of voting rights held by non-controlling interests",
        "terseLabel": "Proportion of voting rights held by non-controlling interests",
        "verboseLabel": "Percentage of stake held"
       }
      }
     },
     "localname": "ProportionOfVotingRightsHeldByNoncontrollingInterests",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts": {
     "auth_ref": [
      "r346",
      "r347"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Provision for decommissioning, restoration and rehabilitation costs",
        "terseLabel": "Contractual rehabilitation liability"
       }
      }
     },
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCosts",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Provision for decommissioning, restoration and rehabilitation costs [abstract]",
        "terseLabel": "Provision for decommissioning, restoration and rehabilitation costs [abstract]"
       }
      }
     },
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCostsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions": {
     "auth_ref": [
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of guarantees or collateral provided by the entity in related party transactions. [Refer: Guarantees [member]; Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Provision of guarantees or collateral by entity, related party transactions",
        "terseLabel": "Provision of guarantees"
       }
      }
     },
     "localname": "ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProvisionUsedOtherProvisions": {
     "auth_ref": [
      "r126"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Provision used, other provisions",
        "negatedTerseLabel": "Payments made"
       }
      }
     },
     "localname": "ProvisionUsedOtherProvisions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r434"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 13.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of interests in investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      },
      "en-us": {
       "role": {
        "label": "Purchase of interests in investments accounted for using equity method",
        "negatedLabel": "Acquisition of equity-accounted investment",
        "terseLabel": "Acquisition of equity-accounted investment"
       }
      }
     },
     "localname": "PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of long-term assets that the entity does not separately disclose in the same statement or note, classified as investing activities. [Refer: Assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Purchase of other long-term assets, classified as investing activities",
        "negatedLabel": "Additions to other investments"
       }
      }
     },
     "localname": "PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Purchase of property, plant and equipment, classified as investing activities",
        "negatedLabel": "Additions to property, plant and equipment",
        "terseLabel": "Purchase of property, plant and equipment, classified as investing activities"
       }
      }
     },
     "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RangeAxis": {
     "auth_ref": [
      "r199",
      "r223",
      "r307",
      "r364",
      "r366",
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Range [axis]",
        "terseLabel": "Range [axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_RangesMember": {
     "auth_ref": [
      "r199",
      "r223",
      "r307",
      "r364",
      "r366",
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregate ranges. It also represents the standard value for the 'Range' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Ranges [member]",
        "terseLabel": "Ranges"
       }
      }
     },
     "localname": "RangesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RawMaterials": {
     "auth_ref": [
      "r328",
      "r429"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of assets to be consumed in the production process or in the rendering of services. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current raw materials",
        "terseLabel": "Battery metals raw materials"
       }
      }
     },
     "localname": "RawMaterials",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RawMaterialsAndConsumablesUsed": {
     "auth_ref": [
      "r55",
      "r322"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]"
       }
      },
      "en-us": {
       "role": {
        "label": "Raw materials and consumables used",
        "negatedTerseLabel": "Consumable stores",
        "terseLabel": "Raw materials and consumables used"
       }
      }
     },
     "localname": "RawMaterialsAndConsumablesUsed",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ReceivablesFromTaxesOtherThanIncomeTax": {
     "auth_ref": [
      "r417"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails_1": {
       "order": 4.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of receivables from taxes other than income tax. Income taxes include all domestic and foreign taxes that are based on taxable profits. Income taxes also include taxes, such as withholding taxes, that are payable by a subsidiary, associate or joint arrangement on distributions to the reporting entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Receivables from taxes other than income tax",
        "terseLabel": "Rates and taxes receivable"
       }
      }
     },
     "localname": "ReceivablesFromTaxesOtherThanIncomeTax",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of average effective tax rate and applicable tax rate [abstract]",
        "terseLabel": "Reconciliation of average effective tax rate and applicable tax rate [abstract]"
       }
      }
     },
     "localname": "ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in deferred tax liability (asset) [abstract]",
        "terseLabel": "Reconciliation of the deferred tax balance:"
       }
      }
     },
     "localname": "ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ReconciliationOfChangesInGoodwillAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in goodwill [abstract]",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "ReconciliationOfChangesInGoodwillAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in intangible assets other than goodwill [abstract]",
        "terseLabel": "Other intangibles"
       }
      }
     },
     "localname": "ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of changes in other provisions [abstract]",
        "terseLabel": "Reconciliation of changes in other provisions [abstract]"
       }
      }
     },
     "localname": "ReconciliationOfChangesInOtherProvisionsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ReconciliationOfNumberOfSharesOutstandingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reconciliation of number of shares outstanding [abstract]",
        "terseLabel": "Reconciliation of issued number of shares"
       }
      }
     },
     "localname": "ReconciliationOfNumberOfSharesOutstandingAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_RepairsAndMaintenanceExpense": {
     "auth_ref": [
      "r419"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expenses incurred for the day-to-day servicing of assets, which may include the cost of labour, consumables or small parts."
       }
      },
      "en-us": {
       "role": {
        "label": "Repairs and maintenance expense",
        "negatedLabel": "Care and maintenance"
       }
      }
     },
     "localname": "RepairsAndMaintenanceExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RepaymentsOfBondsNotesAndDebentures": {
     "auth_ref": [
      "r435"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for repayments of bonds, notes and debentures."
       }
      },
      "en-us": {
       "role": {
        "label": "Repayments of bonds, notes and debentures",
        "terseLabel": "Bond purchase price"
       }
      }
     },
     "localname": "RepaymentsOfBondsNotesAndDebentures",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r356"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Repayments of borrowings, classified as financing activities",
        "negatedLabel": "Loans repaid"
       }
      }
     },
     "localname": "RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RepaymentsOfNoncurrentBorrowings": {
     "auth_ref": [
      "r435"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for repayments of non-current borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Repayments of non-current borrowings",
        "terseLabel": "Repayments of non-current borrowings"
       }
      }
     },
     "localname": "RepaymentsOfNoncurrentBorrowings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember": {
     "auth_ref": [
      "r89",
      "r324"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing accumulated exchange differences on the translation of financial statements recognised in other comprehensive income. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Reserve of exchange differences on translation [member]",
        "terseLabel": "Foreign currency translation reserve"
       }
      }
     },
     "localname": "ReserveOfExchangeDifferencesOnTranslationMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ReserveOfSharebasedPaymentsMember": {
     "auth_ref": [
      "r324"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity resulting from share-based payments."
       }
      },
      "en-us": {
       "role": {
        "label": "Reserve of share-based payments [member]",
        "terseLabel": "Share-based payment reserve"
       }
      }
     },
     "localname": "ReserveOfSharebasedPaymentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RestatedMember": {
     "auth_ref": [
      "r3",
      "r155",
      "r157",
      "r159",
      "r306",
      "r415"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the information currently stated in the financial statements. It also represents the standard value for the 'Retrospective application and retrospective restatement' and 'Departure from requirement of IFRS' axes if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Currently stated [member]",
        "terseLabel": "Currently stated"
       }
      }
     },
     "localname": "RestatedMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RestructuringProvisionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restructuring provision [abstract]",
        "terseLabel": "Restructuring provision [abstract]"
       }
      }
     },
     "localname": "RestructuringProvisionAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_RetainedEarnings": {
     "auth_ref": [
      "r329",
      "r330"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 3.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A component of equity representing the entity's cumulative undistributed earnings or deficit."
       }
      },
      "en-us": {
       "role": {
        "label": "Retained earnings",
        "terseLabel": "Accumulated profit"
       }
      }
     },
     "localname": "RetainedEarnings",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RetainedEarningsMember": {
     "auth_ref": [
      "r8",
      "r324"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit."
       }
      },
      "en-us": {
       "role": {
        "label": "Retained earnings [member]",
        "terseLabel": "Accumulated profit/(loss)"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RetirementsPropertyPlantAndEquipment": {
     "auth_ref": [
      "r425"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease in property, plant and equipment resulting from retirements. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Retirements, property, plant and equipment",
        "negatedLabel": "Derecognition of property, plant and equipment"
       }
      }
     },
     "localname": "RetirementsPropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis": {
     "auth_ref": [
      "r3",
      "r155",
      "r157",
      "r159"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Retrospective application and retrospective restatement [axis]",
        "terseLabel": "Retrospective application and retrospective restatement [axis]"
       }
      }
     },
     "localname": "RetrospectiveApplicationAndRetrospectiveRestatementAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_RevaluationIncreaseDecreasePropertyPlantAndEquipment": {
     "auth_ref": [
      "r72",
      "r80"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from revaluations to fair value. [Refer: Property, plant and equipment; Revaluation surplus]"
       }
      },
      "en-us": {
       "role": {
        "label": "Revaluation increase (decrease), property, plant and equipment",
        "terseLabel": "Change in estimates of rehabilitation assets"
       }
      }
     },
     "localname": "RevaluationIncreaseDecreasePropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_Revenue": {
     "auth_ref": [
      "r45",
      "r182",
      "r246",
      "r284",
      "r291",
      "r297",
      "r298",
      "r301",
      "r322",
      "r323",
      "r362"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 18.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 1.0,
       "parentTag": "sbsw_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortisation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims."
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue",
        "terseLabel": "Total revenue",
        "verboseLabel": "Revenue"
       }
      }
     },
     "localname": "Revenue",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueFromContractsWithCustomers": {
     "auth_ref": [
      "r201",
      "r202"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity\u2019s ordinary activities in exchange for consideration."
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue from contracts with customers",
        "terseLabel": "Total revenue from contracts with customers",
        "verboseLabel": "Revenue"
       }
      }
     },
     "localname": "RevenueFromContractsWithCustomers",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions": {
     "auth_ref": [
      "r341"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of revenue arising from the sale of goods in related party transactions. [Refer: Revenue; Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue from sale of goods, related party transactions",
        "terseLabel": "Gold sales"
       }
      }
     },
     "localname": "RevenueFromSaleOfGoodsRelatedPartyTransactions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueOfAcquiree": {
     "auth_ref": [
      "r236"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue of acquiree since acquisition date",
        "terseLabel": "Revenue contributed"
       }
      }
     },
     "localname": "RevenueOfAcquiree",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueOfCombinedEntity": {
     "auth_ref": [
      "r237"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue of combined entity as if combination occurred at beginning of period",
        "terseLabel": "Revenue of combined entity as if combination occurred at beginning of period"
       }
      }
     },
     "localname": "RevenueOfCombinedEntity",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ReversalAllowanceAccountForCreditLossesOfFinancialAssets": {
     "auth_ref": [
      "r447"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease in an allowance account for credit losses of financial assets resulting from the reversal of impairment. [Refer: Allowance account for credit losses of financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Reversal, allowance account for credit losses of financial assets",
        "negatedTerseLabel": "Impaired financial assets recovered during the year"
       }
      }
     },
     "localname": "ReversalAllowanceAccountForCreditLossesOfFinancialAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ReversalOfImpairmentLoss": {
     "auth_ref": [
      "r116",
      "r117"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as an increase of the carrying amount of an asset or cash-generating unit to its recoverable amount when an impairment loss had been previously recognised. [Refer: Impairment loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Reversal of impairment loss",
        "terseLabel": "Reversal of impairment",
        "verboseLabel": "Other reversal of impairment"
       }
      }
     },
     "localname": "ReversalOfImpairmentLoss",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RightofuseAssets": {
     "auth_ref": [
      "r217"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 6.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee."
       }
      },
      "en-us": {
       "role": {
        "label": "Right-of-use assets",
        "periodEndLabel": "Carrying value, end of period",
        "periodStartLabel": "Carring value, beginning of period",
        "terseLabel": "Right-of-use assets"
       }
      }
     },
     "localname": "RightofuseAssets",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic": {
     "auth_ref": [
      "r281"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of risk exposure associated with financial instruments with a shared characteristic that identifies a concentration of risks. [Refer: Financial instruments, class [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Risk exposure associated with instruments sharing characteristic",
        "terseLabel": "Amount exposed to risk"
       }
      }
     },
     "localname": "RiskExposureAssociatedWithInstrumentsSharingCharacteristic",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RoyaltyExpense": {
     "auth_ref": [
      "r419"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from royalties."
       }
      },
      "en-us": {
       "role": {
        "label": "Royalty expense",
        "negatedLabel": "Royalties"
       }
      }
     },
     "localname": "RoyaltyExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SegmentConsolidationItemsAxis": {
     "auth_ref": [
      "r288"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Segment consolidation items [axis]",
        "terseLabel": "Segment consolidation items [axis]"
       }
      }
     },
     "localname": "SegmentConsolidationItemsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SegmentsAxis": {
     "auth_ref": [
      "r117",
      "r203",
      "r288",
      "r339",
      "r393"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Segments [axis]",
        "terseLabel": "Segments [axis]"
       }
      }
     },
     "localname": "SegmentsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/RestructuringcostsDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SegmentsMember": {
     "auth_ref": [
      "r117",
      "r203",
      "r296",
      "r339",
      "r393"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all segments of an entity. It also represents the standard value for the 'Segments' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Segments [member]",
        "terseLabel": "Segments"
       }
      }
     },
     "localname": "SegmentsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/RestructuringcostsDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk": {
     "auth_ref": [
      "r269"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss and equity would have been affected by changes in the relevant risk variable that were reasonably possible at that date. [Refer: Market risk [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Sensitivity analysis for types of market risk [text block]",
        "terseLabel": "Schedule of interest rate sensitivity analysis"
       }
      }
     },
     "localname": "SensitivityAnalysisForEachTypeOfMarketRisk",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_SeparateMember": {
     "auth_ref": [
      "r106"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for separate financial statements. Separate financial statements are those presented by an entity in which the entity could elect, subject to the requirements in IAS 27, to account for its investments in subsidiaries, joint ventures and associates either at cost, in accordance with IFRS 9, or using the equity method as described in IAS 28."
       }
      },
      "en-us": {
       "role": {
        "label": "Separate [member]",
        "terseLabel": "Separate"
       }
      }
     },
     "localname": "SeparateMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ServicesReceivedRelatedPartyTransactions": {
     "auth_ref": [
      "r342"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of services received in related party transactions. [Refer: Related parties [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Services received, related party transactions",
        "negatedLabel": "Refining fees paid"
       }
      }
     },
     "localname": "ServicesReceivedRelatedPartyTransactions",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r419"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Share of profit (loss) of associates accounted for using equity method",
        "terseLabel": "Share of results of equity-accounted investee after tax"
       }
      }
     },
     "localname": "ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r47",
      "r286",
      "r295",
      "r317"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 7.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 15.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 16.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Share of profit (loss) of associates and joint ventures accounted for using equity method",
        "negatedLabel": "Share of results of equity-accounted investees after tax",
        "negatedTerseLabel": "Share of results of equity-accounted investees after tax",
        "terseLabel": "Share of results of equity-accounted investees after tax"
       }
      }
     },
     "localname": "ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r419"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The entity's share of the profit (loss) of joint ventures accounted for using the equity method. [Refer: Investments accounted for using equity method; Joint ventures [member]; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Share of profit (loss) of joint ventures accounted for using equity method",
        "terseLabel": "Share of results of equity-accounted investee after tax"
       }
      }
     },
     "localname": "ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SharebasedPaymentArrangementsMember": {
     "auth_ref": [
      "r224"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for an agreement between the entity or another group entity or any shareholder of the group entity and another party (including an employee) that entitles the other party to receive (a) cash or other assets of the entity for amounts that are based on the price (or value) of equity instruments (including shares or share options) of the entity or another group entity; or (b) equity instruments (including shares or share options) of the entity or another group entity, provided that the specified vesting conditions, if any, are met. It also represents the standard value for the 'Types of share-based payment arrangements' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Share-based payment arrangements [member]",
        "terseLabel": "Fair value loss on cash-settled share-based payment obligations (Rustenburg and Marikana B-BBEE transactions)"
       }
      }
     },
     "localname": "SharebasedPaymentArrangementsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates": {
     "auth_ref": [
      "r35"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Associates [member]; Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Number of shares in entity held by entity or by its subsidiaries or associates",
        "terseLabel": "Number of shares in entity held by entity or by its subsidiaries or associates (in shares)"
       }
      }
     },
     "localname": "SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_ShorttermLegalProceedingsProvision": {
     "auth_ref": [
      "r346",
      "r348"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 3.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_LegalProceedingsProvision",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current provision for legal proceedings. [Refer: Legal proceedings provision]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current legal proceedings provision",
        "negatedLabel": "Current portion of occupational healthcare obligation",
        "terseLabel": "Occupational healthcare obligation"
       }
      }
     },
     "localname": "ShorttermLegalProceedingsProvision",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SignificantInvestmentsInAssociatesAxis": {
     "auth_ref": [
      "r103",
      "r105",
      "r192",
      "r318",
      "r320"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Associates [axis]",
        "terseLabel": "Associates [axis]"
       }
      }
     },
     "localname": "SignificantInvestmentsInAssociatesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SignificantInvestmentsInSubsidiariesAxis": {
     "auth_ref": [
      "r103",
      "r105",
      "r189"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Subsidiaries [axis]",
        "terseLabel": "Subsidiaries [axis]"
       }
      }
     },
     "localname": "SignificantInvestmentsInSubsidiariesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of cash flows [abstract]",
        "terseLabel": "Statement of cash flows [abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfChangesInEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [abstract]",
        "terseLabel": "Statement of changes in equity [abstract]"
       }
      }
     },
     "localname": "StatementOfChangesInEquityAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfChangesInEquityLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [line items]",
        "terseLabel": "CONSOLIDATED STATEMENT OF CHANGES IN EQUITY"
       }
      }
     },
     "localname": "StatementOfChangesInEquityLineItems",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfChangesInEquityTable": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to changes in equity."
       }
      },
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [table]",
        "terseLabel": "Statement of changes in equity [table]"
       }
      }
     },
     "localname": "StatementOfChangesInEquityTable",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of comprehensive income [abstract]",
        "terseLabel": "Statement of comprehensive income [abstract]"
       }
      }
     },
     "localname": "StatementOfComprehensiveIncomeAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of financial position [abstract]",
        "terseLabel": "Statement of financial position [abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subclassifications of assets, liabilities and equities [abstract]"
       }
      }
     },
     "localname": "SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TangibleExplorationAndEvaluationAssetsMember": {
     "auth_ref": [
      "r249"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing tangible exploration and evaluation assets. [Refer: Exploration and evaluation assets [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tangible exploration and evaluation assets [member]",
        "terseLabel": "Exploration and evaluation assets"
       }
      }
     },
     "localname": "TangibleExplorationAndEvaluationAssetsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TaxEffectFromChangeInTaxRate": {
     "auth_ref": [
      "r60"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 15.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 15.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to changes in the tax rate. [Refer: Accounting profit]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tax effect from change in tax rate",
        "negatedLabel": "Change in estimated deferred tax rate",
        "terseLabel": "Change in estimated deferred tax rate"
       }
      }
     },
     "localname": "TaxEffectFromChangeInTaxRate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011": {
     "auth_ref": [
      "r60"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation. [Refer: Accounting profit]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tax effect of revenues exempt from taxation",
        "terseLabel": "Non-taxable dividend received"
       }
      }
     },
     "localname": "TaxEffectOfRevenuesExemptFromTaxation2011",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": {
     "auth_ref": [
      "r60"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tax expense (income) at applicable tax rate",
        "negatedLabel": "Tax on (profit)/loss before tax at maximum South African statutory company tax rate (28%)"
       }
      }
     },
     "localname": "TaxExpenseIncomeAtApplicableTaxRate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TaxExpenseOtherThanIncomeTaxExpense": {
     "auth_ref": [
      "r419"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of tax expense exclusive of income tax expense."
       }
      },
      "en-us": {
       "role": {
        "label": "Tax expense other than income tax expense",
        "terseLabel": "Carbon tax"
       }
      }
     },
     "localname": "TaxExpenseOtherThanIncomeTaxExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis": {
     "auth_ref": [
      "r65"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Temporary difference, unused tax losses and unused tax credits [axis]",
        "terseLabel": "Temporary difference, unused tax losses and unused tax credits [axis]"
       }
      }
     },
     "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember": {
     "auth_ref": [
      "r65"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for temporary differences, unused tax losses and unused tax credits. It also represents the standard value for the 'Temporary difference, unused tax losses and unused tax credits' axis if no other member is used. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Temporary difference, unused tax losses and unused tax credits [member]",
        "terseLabel": "Temporary difference, unused tax losses and unused tax credits"
       }
      }
     },
     "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TimingOfTransferOfGoodsOrServicesAxis": {
     "auth_ref": [
      "r371"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Timing of transfer of goods or services [axis]",
        "terseLabel": "Timing of transfer of goods or services [axis]"
       }
      }
     },
     "localname": "TimingOfTransferOfGoodsOrServicesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TimingOfTransferOfGoodsOrServicesMember": {
     "auth_ref": [
      "r371"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all timings of the transfer of goods or services in contracts with customers. It also represents the standard value for the 'Timing of transfer of goods or services' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Timing of transfer of goods or services [member]",
        "terseLabel": "Timing of transfer of goods or services [member]"
       }
      }
     },
     "localname": "TimingOfTransferOfGoodsOrServicesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TopOfRangeMember": {
     "auth_ref": [
      "r199",
      "r223",
      "r307",
      "r364",
      "r366",
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for top of a range."
       }
      },
      "en-us": {
       "role": {
        "label": "Top of range [member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "TopOfRangeMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TradeAndOtherCurrentPayables": {
     "auth_ref": [
      "r19"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 5.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Trade and other current payables",
        "terseLabel": "Trade and other payables",
        "totalLabel": "Total trade and other payables"
       }
      }
     },
     "localname": "TradeAndOtherCurrentPayables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherCurrentPayablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other current payables [abstract]",
        "terseLabel": "Trade and other current payables [abstract]"
       }
      }
     },
     "localname": "TradeAndOtherCurrentPayablesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers": {
     "auth_ref": [
      "r326",
      "r418"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 1.0,
       "parentTag": "sbsw_CurrentTradeAndOtherPayablesExcludingEmployeeBenefits",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current trade payables",
        "terseLabel": "Trade creditors"
       }
      }
     },
     "localname": "TradeAndOtherCurrentPayablesToTradeSuppliers",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherCurrentReceivables": {
     "auth_ref": [
      "r17",
      "r31"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Trade and other current receivables",
        "terseLabel": "Trade and other receivables",
        "totalLabel": "Total trade and other receivables"
       }
      }
     },
     "localname": "TradeAndOtherCurrentReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate": {
     "auth_ref": [
      "r444"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for trade and other payables assumed in a business combination. [Refer: Trade and other payables; Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Trade and other payables recognised as of acquisition date",
        "negatedTerseLabel": "Trade and other payables"
       }
      }
     },
     "localname": "TradeAndOtherPayablesRecognisedAsOfAcquisitionDate",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows": {
     "auth_ref": [
      "r382",
      "r386"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to trade and other payables. [Refer: Trade and other payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Trade and other payables, undiscounted cash flows",
        "terseLabel": "Trade and other payables"
       }
      }
     },
     "localname": "TradeAndOtherPayablesUndiscountedCashFlows",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherReceivablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other receivables [abstract]",
        "terseLabel": "Trade and other receivables [abstract]"
       }
      }
     },
     "localname": "TradeAndOtherReceivablesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TradeReceivables": {
     "auth_ref": [
      "r327"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount due from customers for goods and services sold."
       }
      },
      "en-us": {
       "role": {
        "label": "Trade receivables",
        "terseLabel": "Trade receivables"
       }
      }
     },
     "localname": "TradeReceivables",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeReceivablesMember": {
     "auth_ref": [
      "r261",
      "r265",
      "r376",
      "r413"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for trade receivables. [Refer: Trade receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Trade receivables [member]",
        "terseLabel": "Trade receivables"
       }
      }
     },
     "localname": "TradeReceivablesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TypesOfInterestRatesAxis": {
     "auth_ref": [
      "r445"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Types of interest rates [axis]",
        "terseLabel": "Types of interest rates [axis]"
       }
      }
     },
     "localname": "TypesOfInterestRatesAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TypesOfRisksAxis": {
     "auth_ref": [
      "r252",
      "r259",
      "r260",
      "r308",
      "r309",
      "r310",
      "r312"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Types of risks [axis]",
        "terseLabel": "Types of risks [axis]"
       }
      }
     },
     "localname": "TypesOfRisksAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TypesOfRisksMember": {
     "auth_ref": [
      "r252",
      "r259",
      "r260",
      "r308",
      "r309",
      "r310",
      "r312"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all types of risks. It also represents the standard value for the 'Types of risks' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Risks [member]",
        "terseLabel": "Risks"
       }
      }
     },
     "localname": "TypesOfRisksMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TypesOfSharebasedPaymentArrangementsAxis": {
     "auth_ref": [
      "r224"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Types of share-based payment arrangements [axis]",
        "terseLabel": "Types of share-based payment arrangements [axis]"
       }
      }
     },
     "localname": "TypesOfSharebasedPaymentArrangementsAxis",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_UndrawnBorrowingFacilities": {
     "auth_ref": [
      "r359"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]"
       }
      },
      "en-us": {
       "role": {
        "label": "Undrawn borrowing facilities",
        "totalLabel": "Total undrawn facilities"
       }
      }
     },
     "localname": "UndrawnBorrowingFacilities",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment": {
     "auth_ref": [
      "r67"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Useful life measured as period of time, property, plant and equipment",
        "terseLabel": "Life-of-mine",
        "verboseLabel": "Discount period"
       }
      }
     },
     "localname": "UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "ifrs-full_UtilitiesExpense": {
     "auth_ref": [
      "r413"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from purchased utilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Utilities expense",
        "negatedLabel": "Utilities"
       }
      }
     },
     "localname": "UtilitiesExpense",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_VehiclesMember": {
     "auth_ref": [
      "r424"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing vehicles used in the entity's operations, specifically to include aircraft, motor vehicles and ships. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Vehicles [member]",
        "terseLabel": "Vehicles"
       }
      }
     },
     "localname": "VehiclesMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentDepreciationofnonminingassetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_WagesAndSalaries": {
     "auth_ref": [
      "r428"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense]"
       }
      },
      "en-us": {
       "role": {
        "label": "Wages and salaries",
        "negatedLabel": "Salaries and wages"
       }
      }
     },
     "localname": "WagesAndSalaries",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019": {
     "auth_ref": [
      "r443"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement",
        "terseLabel": "Average price of instruments exercised (in ZAR in per share )"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageMember": {
     "auth_ref": [
      "r199",
      "r307",
      "r364",
      "r366",
      "r446"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for an average in which each quantity to be averaged is assigned a weight that determines the relative effect of each quantity on the average."
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average [member]",
        "terseLabel": "Weighted average"
       }
      }
     },
     "localname": "WeightedAverageMember",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019": {
     "auth_ref": [
      "r225"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average share price, share options granted",
        "verboseLabel": "Weighted average share price (ZAR/USD per share)"
       }
      }
     },
     "localname": "WeightedAverageSharePriceShareOptionsGranted2019",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageShares": {
     "auth_ref": [
      "r110"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_AdjustedWeightedAverageShares",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor."
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average number of ordinary shares used in calculating basic earnings per share",
        "totalLabel": "Weighted average number of shares (\u2019000) (in shares)"
       }
      }
     },
     "localname": "WeightedAverageShares",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]",
        "terseLabel": "Weighted average number of shares"
       }
      }
     },
     "localname": "WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_WorkInProgress": {
     "auth_ref": [
      "r328",
      "r429"
     ],
     "calculation": {
      "http://www.sibanyegold.co/role/InventoriesDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current work in progress",
        "terseLabel": "Work in process"
       }
      }
     },
     "localname": "WorkInProgress",
     "nsuri": "http://xbrl.ifrs.org/taxonomy/2021-03-24/ifrs-full",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_A1US0.2MillionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US $0.2 million facility.",
        "label": "A1 U S0.2 Million [Member]",
        "terseLabel": "A1"
       }
      }
     },
     "localname": "A1US0.2MillionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_A2022And2025Notes2026And2029NotesAndUSConvertibleBondMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "2022 and 2025 Notes, 2026 and 2029 Notes and US$ Convertible Bond",
        "label": "2022 and 2025 Notes, 2026 and 2029 Notes and US$ Convertible Bond [Member]",
        "terseLabel": "2022 and 2025 Notes, 2026 and 2029 Notes, and US$ Convertible Bond"
       }
      }
     },
     "localname": "A2022And2025Notes2026And2029NotesAndUSConvertibleBondMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_A2US7.8MillionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US $7.8 million facility.",
        "label": "A2 U S7.8 Million [Member]",
        "terseLabel": "A2"
       }
      }
     },
     "localname": "A2US7.8MillionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_A3US51.0MillionAndA4Us119.1MillionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US $51.0 million and the US $119.1 million facilities.",
        "label": "A3 U S51.0 Million And A4 Us119.1 Million [Member]",
        "terseLabel": "A3 and A4"
       }
      }
     },
     "localname": "A3US51.0MillionAndA4Us119.1MillionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_A3US51.0MillionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US $51.0 million facility.",
        "label": "A3 U S51.0 Million [Member]",
        "terseLabel": "A3"
       }
      }
     },
     "localname": "A3US51.0MillionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_A4US119.1MillionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US $119.1 million facility.",
        "label": "A4 U S119.1 Million [Member]",
        "terseLabel": "A4"
       }
      }
     },
     "localname": "A4US119.1MillionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ADRSharesOrdinarySharesIssuedUponConversion": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "ADR Shares, ordinary shares issued upon conversion",
        "label": "ADR Shares, ordinary shares issued upon conversion",
        "terseLabel": "Ordinary shares issued upon conversion of ADRs (in shares)"
       }
      }
     },
     "localname": "ADRSharesOrdinarySharesIssuedUponConversion",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_AccountsReceivablesPayrollDebtors": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_FinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount due from payroll debtors.",
        "label": "Accounts Receivables Payroll Debtors",
        "terseLabel": "Payroll debtors"
       }
      }
     },
     "localname": "AccountsReceivablesPayrollDebtors",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AccruedBorrowingCosts": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued borrowing costs",
        "label": "Accrued borrowing costs",
        "terseLabel": "Transaction costs accrued"
       }
      }
     },
     "localname": "AccruedBorrowingCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AcquisitionDateGoodwillAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Acquisition Date Goodwill",
        "label": "Acquisition Date Goodwill [Abstract]",
        "terseLabel": "Acquisition date goodwill [Abstract]"
       }
      }
     },
     "localname": "AcquisitionDateGoodwillAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_AcquisitionsThroughBusinessCombinationsEnvironmentalRehabilitationObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Acquisitions through business combinations, environmental rehabilitation obligation",
        "label": "Acquisitions through business combinations, environmental rehabilitation obligation",
        "terseLabel": "Environmental rehabilitation obligation on acquisition of subsidiaries"
       }
      }
     },
     "localname": "AcquisitionsThroughBusinessCombinationsEnvironmentalRehabilitationObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdditionalPercentageUsedInCalculatingRoyaltyInRespectOfRefinedAndUnrefinedMinerals": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The additional percentage used in calculating royalty in respect of refined and unrefined minerals.",
        "label": "Additional Percentage Used In Calculating Royalty In Respect Of Refined And Unrefined Minerals",
        "terseLabel": "Additional percentage used in calculating royalty"
       }
      }
     },
     "localname": "AdditionalPercentageUsedInCalculatingRoyaltyInRespectOfRefinedAndUnrefinedMinerals",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_AdditionsToLiabilitiesFromShareBasedPaymentTransactions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additions To Liabilities From Share-Based Payment Transactions",
        "label": "Additions To Liabilities From Share-Based Payment Transactions",
        "terseLabel": "Initial recognition of the Marikana B-BBEE cash-settled share-based payment obligation"
       }
      }
     },
     "localname": "AdditionsToLiabilitiesFromShareBasedPaymentTransactions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdditionsToNoncurrentAssetsGrowthProjects": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_AdditionsToNoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of additions to non-current assets growth projects other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts.",
        "label": "Additions To Noncurrent Assets Growth Projects",
        "negatedLabel": "Growth projects"
       }
      }
     },
     "localname": "AdditionsToNoncurrentAssetsGrowthProjects",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdditionsToNoncurrentAssetsOreReserveDevelopment": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_AdditionsToNoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of additions to non-current assets Ore reserve development other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts.",
        "label": "Additions To Noncurrent Assets Ore Reserve Development",
        "negatedLabel": "Ore reserve development"
       }
      }
     },
     "localname": "AdditionsToNoncurrentAssetsOreReserveDevelopment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdditionsToNoncurrentAssetsSustainingCapitalExpenditure": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_AdditionsToNoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of additions to non-current assets sustaining capital expenditure other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts.",
        "label": "Additions To Noncurrent Assets Sustaining Capital Expenditure",
        "negatedLabel": "Sustaining capital expenditure"
       }
      }
     },
     "localname": "AdditionsToNoncurrentAssetsSustainingCapitalExpenditure",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortisation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 22.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The adjusted EBITDA (earnings before interest, taxes, depreciation and amortisation) is based on the formula included in the facility agreements for compliance with the debt covenant formula. Adjusted EBITDA may not be comparable to similarly titled measures of other companies. Adjusted EBITDA is not a measure of performance under IFRS and should be considered in addition to, and not as a substitute for, other measures of financial performance and liquidity.",
        "label": "Adjusted Earnings Before Interest Tax Depreciation And Amortisation",
        "terseLabel": "Adjusted EBITDA",
        "totalLabel": "Adjusted EBITDA"
       }
      }
     },
     "localname": "AdjustedEarningsBeforeInterestTaxDepreciationAndAmortisation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails",
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustmentForEarlySettlementOfContractLiability": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of adjustment for early settlement payment of contract liability.",
        "label": "Adjustment For Early Settlement Of Contract Liability",
        "negatedLabel": "BTT early settlement payment",
        "negatedTerseLabel": "BTT early settlement payment"
       }
      }
     },
     "localname": "AdjustmentForEarlySettlementOfContractLiability",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustmentForLitigationSettlementReceived": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 4.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of adjustment for settlement received in legal dispute.",
        "label": "Adjustment For Litigation Settlement Received",
        "terseLabel": "Amount received on settlement of dispute"
       }
      }
     },
     "localname": "AdjustmentForLitigationSettlementReceived",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustmentForWeightingOfOrdinarySharesIssued": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_WeightedAverageShares",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustment for weighting of ordinary shares issued.",
        "label": "Adjustment for weighting of ordinary shares issued",
        "terseLabel": "Adjustment for weighting of ordinary shares in issue (\u2019000) (in shares)"
       }
      }
     },
     "localname": "AdjustmentForWeightingOfOrdinarySharesIssued",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_AdjustmentsForDeferredPaymentsRelatingToBusinessAcquisitions": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 8.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails": {
       "order": 1.0,
       "parentTag": "sbsw_PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments For Deferred Payments Relating To Business Acquisitions",
        "label": "Adjustments For Deferred Payments Relating To Business Acquisitions",
        "negatedLabel": "Additional deferred payments relating to acquisition of a business",
        "negatedTerseLabel": "Payments in excess of the original fair value (operating cash flows)"
       }
      }
     },
     "localname": "AdjustmentsForDeferredPaymentsRelatingToBusinessAcquisitions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustmentsForMiningAndIncomeTaxExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for mining and income tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Mining And Income Tax Expense",
        "terseLabel": "Mining and income tax"
       }
      }
     },
     "localname": "AdjustmentsForMiningAndIncomeTaxExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustmentsForPremiumRecognizedOnDerecognitionOfDebt": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for premium recognized on derecognition of debt",
        "label": "Adjustments for premium recognized on derecognition of debt",
        "terseLabel": "Early redemption premium on the 2025 Notes"
       }
      }
     },
     "localname": "AdjustmentsForPremiumRecognizedOnDerecognitionOfDebt",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdjustmentsForRoyaltiesExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for royalties to reconcile profit (loss) to net cash flow from (used in) operating activities.",
        "label": "Adjustments For Royalties Expense",
        "terseLabel": "Royalties"
       }
      }
     },
     "localname": "AdjustmentsForRoyaltiesExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AdvanceFullyUtilisedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the scenario in which the advance has been fully utilised.",
        "label": "Advance Fully Utilised [Member]",
        "terseLabel": "Advance fully utilised"
       }
      }
     },
     "localname": "AdvanceFullyUtilisedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_AdvanceNotFullyUtilisedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the scenario in which the advance has not been fully utilised.",
        "label": "Advance Not Fully Utilised [Member]",
        "terseLabel": "Advance not fully utilised"
       }
      }
     },
     "localname": "AdvanceNotFullyUtilisedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_AldebaranResourcesInc.Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Aldebaran Resources Inc., a counterparty to the joint venture.",
        "label": "Aldebaran Resources Inc. [Member]",
        "terseLabel": "Aldebaran"
       }
      }
     },
     "localname": "AldebaranResourcesInc.Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_AmortizationOfFinancingCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of accrued interest and amortization expense attributable to borrowings.",
        "label": "Amortization Of Financing Costs",
        "negatedLabel": "Borrowings (unwinding of amortised cost)",
        "netLabel": "Unwinding of amortised cost",
        "terseLabel": "Unwinding of loans recognised at amortised cost",
        "verboseLabel": "Unwinding of amortised cost"
       }
      }
     },
     "localname": "AmortizationOfFinancingCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AquariusAcquisitionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the purchase of 100% of Aquarius (the Aquarius Transaction.)",
        "label": "Aquarius Acquisition [Member]",
        "terseLabel": "Aquarius Acquisition"
       }
      }
     },
     "localname": "AquariusAcquisitionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_AssetAcquisitionDateFairValueOfTotalConsiderationTransferred": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset Acquisition Date Fair Value Of Total Consideration Transferred",
        "label": "Asset Acquisition Date Fair Value Of Total Consideration Transferred",
        "terseLabel": "Consideration"
       }
      }
     },
     "localname": "AssetAcquisitionDateFairValueOfTotalConsiderationTransferred",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_AssetAcquisitionsAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset Acquisitions",
        "label": "Asset Acquisitions [Axis]",
        "terseLabel": "Asset Acquisitions [Axis]"
       }
      }
     },
     "localname": "AssetAcquisitionsAxis",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_AssetAcquisitionsDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset Acquisitions [Domain]",
        "label": "Asset Acquisitions [Domain]",
        "terseLabel": "Asset Acquisitions [Domain]"
       }
      }
     },
     "localname": "AssetAcquisitionsDomain",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_AssetsHeldForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Assets held for sale",
        "label": "Assets held for sale [Member]",
        "terseLabel": "Asset held for sale"
       }
      }
     },
     "localname": "AssetsHeldForSaleMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_AuditInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Audit Information [Abstract]",
        "label": "Audit Information [Abstract]"
       }
      }
     },
     "localname": "AuditInformationAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_BakgatlaBaKgafelaInvestmentHoldingsNoncontrollingInterestMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to Bakgatla-Ba-Kgafela Investment Holdings.",
        "label": "Bakgatla Ba Kgafela Investment Holdings Noncontrolling Interest [Member]",
        "terseLabel": "Bakgatla Ba Kgafela Investment Holdings"
       }
      }
     },
     "localname": "BakgatlaBaKgafelaInvestmentHoldingsNoncontrollingInterestMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BapoBaMogaleCommunityTrustMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Bapo Ba Mogale Community Trust.",
        "label": "Bapo Ba Mogale Community Trust [Member]",
        "terseLabel": "Bapo Ba Mogale Community Trust"
       }
      }
     },
     "localname": "BapoBaMogaleCommunityTrustMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BatteryMetalsActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Battery Metals Activities",
        "label": "Battery Metals Activities [Member]",
        "terseLabel": "Battery metals activities"
       }
      }
     },
     "localname": "BatteryMetalsActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BatteryMetalsSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Battery Metals Segment",
        "label": "Battery Metals Segment [Member]",
        "terseLabel": "Battery metals"
       }
      }
     },
     "localname": "BatteryMetalsSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BeatrixAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Beatrix assets or goodwill subject to impairment.",
        "label": "Beatrix Assets [Member]",
        "terseLabel": "Beatrix"
       }
      }
     },
     "localname": "BeatrixAssetsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BeatrixSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Beatrix segment.",
        "label": "Beatrix Segment [Member]",
        "terseLabel": "Beatrix"
       }
      }
     },
     "localname": "BeatrixSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BorrowingsAssumedInAcquisition": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of borrowings assumed by the entity as part of consideration in an acquisition.",
        "label": "Borrowings Assumed In Acquisition",
        "terseLabel": "Borrowings acquired on acquisition of subsidiary"
       }
      }
     },
     "localname": "BorrowingsAssumedInAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_BorrowingsConvertedToEquity": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of borrowings converted to equity during the period.",
        "label": "Borrowings Converted To Equity",
        "negatedTerseLabel": "US$ Convertible Bond converted into shares"
       }
      }
     },
     "localname": "BorrowingsConvertedToEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_BorrowingsInterBankTransfer": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The decrease (increase) in borrowings due to inter bank transfer.",
        "label": "Borrowings Inter Bank Transfer",
        "negatedLabel": "Inter Bank transfer"
       }
      }
     },
     "localname": "BorrowingsInterBankTransfer",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_BorrowingsNumberOfOneYearExtensionsAvailable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of one-year extensions that are available to lengthen the term of the borrowings.",
        "label": "Borrowings, Number Of One-Year Extensions Available",
        "terseLabel": "Number of one-year extensions"
       }
      }
     },
     "localname": "BorrowingsNumberOfOneYearExtensionsAvailable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_BorrowingsRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 10.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Borrowings Recognised As Of Asset Acquisition Date",
        "label": "Borrowings Recognised As Of Asset Acquisition Date",
        "negatedTerseLabel": "Borrowings"
       }
      }
     },
     "localname": "BorrowingsRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_BorrowingsRedemptionPricePercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Borrowings, redemption price, percentage",
        "label": "Borrowings, redemption price, percentage",
        "terseLabel": "Redemption price (as a percent)"
       }
      }
     },
     "localname": "BorrowingsRedemptionPricePercentage",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_BorrowingsTermOfExtension": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Borrowings, Term Of Extension",
        "label": "Borrowings, Term Of Extension",
        "terseLabel": "Borrowings, term of extension"
       }
      }
     },
     "localname": "BorrowingsTermOfExtension",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_BorrowingsWithRecourse": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails": {
       "order": 1.0,
       "parentTag": "sbsw_NetCashdebtExcludingBurnstone",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Borrowings that have recourse to the entity.",
        "label": "Borrowings With Recourse",
        "terseLabel": "Borrowings"
       }
      }
     },
     "localname": "BorrowingsWithRecourse",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_BurnstoneBusinessCombinationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the Burnstone acquisition.",
        "label": "Burnstone Business Combination [Member]",
        "terseLabel": "Burnstone"
       }
      }
     },
     "localname": "BurnstoneBusinessCombinationMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BurnstoneDebtMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the Burnstone debt.",
        "label": "Burnstone Debt [Member]",
        "terseLabel": "Burnstone Debt"
       }
      }
     },
     "localname": "BurnstoneDebtMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_BusinessCombinationConsiderationPaidPerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Business Combination, Consideration Paid Per Share",
        "label": "Business Combination, Consideration Paid Per Share",
        "terseLabel": "Consideration per share (in AUD per share)"
       }
      }
     },
     "localname": "BusinessCombinationConsiderationPaidPerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_CASHGENERATEDBYOPERATIONSAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a",
        "label": "CASH GENERATED BY OPERATIONS [Abstract]",
        "terseLabel": "CASH GENERATED BY OPERATIONS"
       }
      }
     },
     "localname": "CASHGENERATEDBYOPERATIONSAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_CapitalPortionOfBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to capital portion of borrowings.",
        "label": "Capital Portion Of Borrowings [Member]",
        "terseLabel": "- Capital"
       }
      }
     },
     "localname": "CapitalPortionOfBorrowingsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CashAndCashEquivalentsExcludingBurnstone": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails": {
       "order": 2.0,
       "parentTag": "sbsw_NetCashdebtExcludingBurnstone",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash and cash equivalents excluding the cash of Burnstone.",
        "label": "Cash And Cash Equivalents Excluding Burnstone",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsExcludingBurnstone",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashAndCashEquivalentsRecognisedAsOfAcquisitionDateAttributableToNonControllingInterest": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash And Cash Equivalents Recognised As Of Acquisition Date, Attributable To Non Controlling Interest",
        "label": "Cash And Cash Equivalents Recognised As Of Acquisition Date, Attributable To Non Controlling Interest",
        "terseLabel": "Cash attributed to NCI"
       }
      }
     },
     "localname": "CashAndCashEquivalentsRecognisedAsOfAcquisitionDateAttributableToNonControllingInterest",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashAndCashEquivalentsRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 1.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash And Cash Equivalents Recognised As Of Asset Acquisition Date",
        "label": "Cash And Cash Equivalents Recognised As Of Asset Acquisition Date",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashInflowFromRedemptionOfPreferenceSharesByEquityAccountedInvesteeClassifiedAsInvestingActivity": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 8.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from redemption of preference shares by an equity-accounted investee, classified as investing activity.",
        "label": "Cash Inflow From Redemption Of Preference Shares By Equity-Accounted Investee, Classified As Investing Activity",
        "terseLabel": "Preference shares redeemed by equity-accounted investee"
       }
      }
     },
     "localname": "CashInflowFromRedemptionOfPreferenceSharesByEquityAccountedInvesteeClassifiedAsInvestingActivity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashOutflowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 15.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash Outflows From Losing Control Of Subsidiaries Or Other Businesses Classified As Investing Activities",
        "label": "Cash Outflows From Losing Control Of Subsidiaries Or Other Businesses Classified As Investing Activities",
        "negatedLabel": "Cash outflow on loss of control of subsidiaries"
       }
      }
     },
     "localname": "CashOutflowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashSettledShareBasedPaymentsPaid": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 6.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow related to cash-settled share-based payments.",
        "label": "Cash-Settled Share-Based Payments Paid",
        "negatedLabel": "Cash-settled share-based payments paid",
        "terseLabel": "Cash proceeds from instruments exercised"
       }
      }
     },
     "localname": "CashSettledShareBasedPaymentsPaid",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashTransferredAssetAcquisition": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash Transferred, Asset Acquisition",
        "label": "Cash Transferred, Asset Acquisition",
        "negatedLabel": "Cash transferred"
       }
      }
     },
     "localname": "CashTransferredAssetAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CashflowOfBurnstoneDebtInstrumentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for revised cash flow of the Burnstone Debt",
        "label": "Cashflow Of Burnstone Debt Instrument [Member]",
        "terseLabel": "(Loss)/gain on the revised cash flow of the Burnstone Debt"
       }
      }
     },
     "localname": "CashflowOfBurnstoneDebtInstrumentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CashflowOfDeferredPaymentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for revised cash flow of the Deferred Payment.",
        "label": "Cashflow Of Deferred Payment [Member]",
        "terseLabel": "Loss on the revised cash flow of the Rustenburg operation deferred payment"
       }
      }
     },
     "localname": "CashflowOfDeferredPaymentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CashflowOfTheMarikanaDividendObligationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cashflow Of The Marikana Dividend Obligation",
        "label": "Cashflow Of The Marikana Dividend Obligation [Member]",
        "terseLabel": "Loss on the revised cash flow of the Marikana dividend obligation"
       }
      }
     },
     "localname": "CashflowOfTheMarikanaDividendObligationMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ChangeInWorkingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "N/A",
        "label": "Change In Working Capital [Abstract]",
        "terseLabel": "Change In Working Capital [Abstract]"
       }
      }
     },
     "localname": "ChangeInWorkingCapitalAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_CharlKeyterMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Charl Keyter.",
        "label": "Charl Keyter [Member]",
        "terseLabel": "Charl Keyter"
       }
      }
     },
     "localname": "CharlKeyterMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CharlesCarterMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Charles Carter",
        "label": "Charles Carter [Member]",
        "terseLabel": "Charles Carter"
       }
      }
     },
     "localname": "CharlesCarterMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ChrisBatemanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Chris Bateman.",
        "label": "Chris Bateman [Member]",
        "terseLabel": "Chris Bateman"
       }
      }
     },
     "localname": "ChrisBatemanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ChromeMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to chrome mining activities.",
        "label": "Chrome Mining Activities [Member]",
        "terseLabel": "Chrome"
       }
      }
     },
     "localname": "ChromeMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CompanyAndWithholdingTaxExpenseIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_CurrentTaxExpenseIncome",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of income taxes payable (recoverable) in respect of Company and capital gain taxable profit (tax loss) for a period.",
        "label": "Company And Withholding Tax Expense (Income)",
        "negatedLabel": "Company and withholding tax"
       }
      }
     },
     "localname": "CompanyAndWithholdingTaxExpenseIncome",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ConsiderationTransferredAssetAcquisition": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Consideration Transferred, Asset Acquisition",
        "label": "Consideration Transferred, Asset Acquisition",
        "terseLabel": "Consideration Transferred, Asset Acquisition"
       }
      }
     },
     "localname": "ConsiderationTransferredAssetAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ConsiderationTransferredDeferredPayments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": 4.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The fair value of deferred consideration payments in a business combination.",
        "label": "Consideration Transferred Deferred Payments",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at the beginning of the year",
        "terseLabel": "Deferred payment"
       }
      }
     },
     "localname": "ConsiderationTransferredDeferredPayments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ContractLiabilityInterestExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest expense attributable to the contract liability during the period.",
        "label": "Contract Liability Interest Expense",
        "terseLabel": "Interest charge"
       }
      }
     },
     "localname": "ContractLiabilityInterestExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ContractLiabilityValuationInputLeverageRatioThresholdAsFactorInMonthlyCashPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The monthly cash percentage decreases if the entity's leverage ratio exceeds this amount.",
        "label": "Contract Liability Valuation Input, Leverage Ratio Threshold As Factor In Monthly Cash Percentage",
        "terseLabel": "Leverage ratio threshold"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputLeverageRatioThresholdAsFactorInMonthlyCashPercentage",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_ContractLiabilityValuationInputMonthlyCashPercentageFirstLevel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The monthly cash payment received percentage, first level, which is a key input in model used to value contract liability. Different percentages apply depending on utilisation of the advance, the investment grade of the entity and its leverage ratio.",
        "label": "Contract Liability Valuation Input Monthly Cash Percentage, First Level",
        "terseLabel": "Monthly cash percentage, 1st level"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputMonthlyCashPercentageFirstLevel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ContractLiabilityValuationInputMonthlyCashPercentageFourthLevel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The monthly cash payment received percentage, fourth level, which is a key input in model used to value contract liability. Different percentages apply depending on utilisation of the advance, the investment grade of the entity and its leverage ratio.",
        "label": "Contract Liability Valuation Input Monthly Cash Percentage Fourth Level",
        "terseLabel": "Monthly cash percentage, 4th level"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputMonthlyCashPercentageFourthLevel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ContractLiabilityValuationInputMonthlyCashPercentageSecondLevel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The monthly cash payment received percentage, second level, which is a key input in model used to value contract liability. Different percentages apply depending on utilisation of the advance, the investment grade of the entity and its leverage ratio.",
        "label": "Contract Liability Valuation Input Monthly Cash Percentage Second Level",
        "terseLabel": "Monthly cash percentage, 2nd level"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputMonthlyCashPercentageSecondLevel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ContractLiabilityValuationInputMonthlyCashPercentageThirdLevel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The monthly cash payment received percentage, third level, which is a key input in model used to value contract liability. Different percentages apply depending on utilisation of the advance, the investment grade of the entity and its leverage ratio.",
        "label": "Contract Liability Valuation Input Monthly Cash Percentage Third Level",
        "terseLabel": "Monthly cash percentage, 3rd level"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputMonthlyCashPercentageThirdLevel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ContractLiabilityValuationInputMonthlyDeferredRevenuePercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The monthly deferred revenue percentage, which is a key input in model used to value contract liability.",
        "label": "Contract Liability Valuation Input Monthly Deferred Revenue Percentage",
        "terseLabel": "Monthly deferred revenue percentage"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputMonthlyDeferredRevenuePercentage",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ContractLiabilityValuationInputPeriodOverWhichPriceAveraged": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The period over which the commodity price is averaged when serving as an input in model used to value contract liability.",
        "label": "Contract Liability Valuation Input, Period Over Which Price Averaged",
        "terseLabel": "Price averaging period"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputPeriodOverWhichPriceAveraged",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_ContractLiabilityValuationInputPortionOfRevenueStreamIncluded": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Portion of revenue stream included as key input in model used to value contract liability, as a percent.",
        "label": "Contract Liability Valuation Input, Portion Of Revenue Stream Included",
        "terseLabel": "Inferred resources included, as a percent"
       }
      }
     },
     "localname": "ContractLiabilityValuationInputPortionOfRevenueStreamIncluded",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ContributionsRehabilitationObligationFund": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents contributions made to the rehabilitation obligation fund.",
        "label": "Contributions, Rehabilitation Obligation Fund",
        "terseLabel": "Contributions made"
       }
      }
     },
     "localname": "ContributionsRehabilitationObligationFund",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ContributionsToEnvironmentalRehabilitationFunds": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 11.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of cash outflow attributable to contributions to environmental rehabilitation funds, classified as investing activities.",
        "label": "Contributions To Environmental Rehabilitation Funds",
        "negatedLabel": "Contributions to environmental rehabilitation funds"
       }
      }
     },
     "localname": "ContributionsToEnvironmentalRehabilitationFunds",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ConvertibleDebenturesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for convertible debentures.",
        "label": "Convertible Debentures [Member]",
        "terseLabel": "Stillwater Convertible Debentures"
       }
      }
     },
     "localname": "ConvertibleDebenturesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CookeAcquisitionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the acquisition of Cooke.",
        "label": "Cooke Acquisition [Member]",
        "terseLabel": "Cooke Acquisition",
        "verboseLabel": "Cooke"
       }
      }
     },
     "localname": "CookeAcquisitionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CookeSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Cooke segment.",
        "label": "Cooke Segment [Member]",
        "terseLabel": "Cooke"
       }
      }
     },
     "localname": "CookeSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CostOfSalesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "cost of sales",
        "label": "Cost of sales [Abstract]",
        "terseLabel": "COST OF SALES."
       }
      }
     },
     "localname": "CostOfSalesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_CostOfSalesBeforeAmortisationAndDepreciation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CostofsalesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_CostOfSales",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 2.0,
       "parentTag": "sbsw_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortisation",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of costs before amortisation and depreciation relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories.",
        "label": "Cost Of Sales Before Amortisation And Depreciation",
        "negatedLabel": "Recycling",
        "negatedTotalLabel": "Cost of sales, before amortisation and depreciation"
       }
      }
     },
     "localname": "CostOfSalesBeforeAmortisationAndDepreciation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CostsAttributableToLaborActionByEmployees": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of costs incurred by the entity as a result of labor actions, such as a strike, by employees.",
        "label": "Costs Attributable To Labor Action By Employees",
        "negatedLabel": "Strike related costs"
       }
      }
     },
     "localname": "CostsAttributableToLaborActionByEmployees",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CostsIncurredOnEmployeeAndCommunityTrusts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of costs incurred during the period attributable to employee and community trusts.",
        "label": "Costs Incurred On Employee And Community Trusts",
        "negatedLabel": "Cost incurred on employee and community trusts"
       }
      }
     },
     "localname": "CostsIncurredOnEmployeeAndCommunityTrusts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CounterpartyInAgreementWithLonminMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to agreement between counterparty and Lonmin involving PGM metals from bulk tailing re-treatment project.",
        "label": "Counterparty In Agreement With Lonmin [Member]",
        "terseLabel": "BTT streaming revenue"
       }
      }
     },
     "localname": "CounterpartyInAgreementWithLonminMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_CurrentFinancialLiabilitiesExcludingTradeAndOtherPayablesAndProvisions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of current financial liabilities excluding trade and other payables and provisions at balance sheet date.",
        "label": "Current Financial Liabilities Excluding Trade And Other Payables And Provisions",
        "terseLabel": "Current financial liabilities excluding trade and other payables"
       }
      }
     },
     "localname": "CurrentFinancialLiabilitiesExcludingTradeAndOtherPayablesAndProvisions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_CurrentTradeAndOtherPayablesExcludingEmployeeBenefits": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of trade and other payables, other than those related to employee benefits, that are expected to be settled wholly within twelve months after the end of the annual reporting period.",
        "label": "Current Trade And Other Payables Excluding Employee Benefits",
        "totalLabel": "Financial liabilities"
       }
      }
     },
     "localname": "CurrentTradeAndOtherPayablesExcludingEmployeeBenefits",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DRDGoldEquitySettledSchemeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "D R D Gold Equity Settled Scheme [Member]",
        "label": "D R D Gold Equity Settled Scheme [Member]",
        "terseLabel": "DRDGOLD (equity-settled scheme)"
       }
      }
     },
     "localname": "DRDGoldEquitySettledSchemeMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DawieMostertMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Dawie Mostert.",
        "label": "Dawie Mostert [Member]",
        "terseLabel": "Dawie Mostert"
       }
      }
     },
     "localname": "DawieMostertMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DebtInstrumentConsolidatedLeverageRatioActual": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument consolidated leverage ratio actual.",
        "label": "Debt Instrument Consolidated Leverage Ratio Actual",
        "terseLabel": "Actual leverage ratio"
       }
      }
     },
     "localname": "DebtInstrumentConsolidatedLeverageRatioActual",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "sbsw_DebtInstrumentConsolidatedLeverageRatioMaximumPerCovenantForSecondSpecifiedPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt Instrument Consolidated Leverage Ratio Maximum Per Covenant For Second Specified Period",
        "label": "Debt Instrument Consolidated Leverage Ratio Maximum Per Covenant For Second Specified Period",
        "terseLabel": "Leverage ratio maximum per covenant for the second specified period"
       }
      }
     },
     "localname": "DebtInstrumentConsolidatedLeverageRatioMaximumPerCovenantForSecondSpecifiedPeriod",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "sbsw_DebtInstrumentInterestCoverageRatio": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The ratio of adjusted EBITDA to net finance charges that is the subject of certain debt covenants.",
        "label": "Debt Instrument Interest Coverage Ratio",
        "terseLabel": "Interest coverage ratio"
       }
      }
     },
     "localname": "DebtInstrumentInterestCoverageRatio",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_DebtInstrumentTerm": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Debt Instrument Term",
        "terseLabel": "Debt term",
        "verboseLabel": "Term of facility"
       }
      }
     },
     "localname": "DebtInstrumentTerm",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_DecreaseInEquityDueToRepurchaseOfShares": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the decrease in equity due to repurchase by the entity of its own shares.",
        "label": "Decrease In Equity Due To Repurchase Of Shares",
        "negatedLabel": "Share buy-back",
        "terseLabel": "Repurchase value"
       }
      }
     },
     "localname": "DecreaseInEquityDueToRepurchaseOfShares",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DecreaseThroughClassificationToOtherInvestmentsPropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease Through Classification To Other Investments, Property, Plant And Equipment",
        "label": "Decrease Through Classification To Other Investments, Property, Plant And Equipment",
        "negatedTerseLabel": "Assets derecognised on classification to other investments"
       }
      }
     },
     "localname": "DecreaseThroughClassificationToOtherInvestmentsPropertyPlantAndEquipment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DecreaseThroughDilutionOfInterestInJointOperationPropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease Through Dilution Of Interest In Joint Operation, Property, Plant And Equipment",
        "label": "Decrease Through Dilution Of Interest In Joint Operation, Property, Plant And Equipment",
        "negatedLabel": "Assets derecognised on loss with dilution of interest in joint operation"
       }
      }
     },
     "localname": "DecreaseThroughDilutionOfInterestInJointOperationPropertyPlantAndEquipment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DeferredConsiderationReceivable": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred Consideration Receivable",
        "label": "Deferred Consideration Receivable",
        "terseLabel": "Deferred consideration receivable"
       }
      }
     },
     "localname": "DeferredConsiderationReceivable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DeferredIncomeReceived": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of deferred income received during the period.",
        "label": "Deferred Income Received",
        "terseLabel": "Deferred revenue advance received"
       }
      }
     },
     "localname": "DeferredIncomeReceived",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/DeferredrevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DeferredPaymentAndDeferredConsiderationLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to financial instruments in the form of deferred payment and deferred consideration arising from business combinations.",
        "label": "Deferred Payment And Deferred Consideration Liabilities [Member]",
        "terseLabel": "Deferred payment and deferred consideration liabilities"
       }
      }
     },
     "localname": "DeferredPaymentAndDeferredConsiderationLiabilitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DeferredPaymentContingentConsiderationMeasurementPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The period of time over which measurement is made to determine the amount of deferred payment/contingent consideration payable.",
        "label": "Deferred Payment Contingent Consideration Measurement Period",
        "terseLabel": "Measurement period"
       }
      }
     },
     "localname": "DeferredPaymentContingentConsiderationMeasurementPeriod",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_DeferredPaymentContingentConsiderationPercentageOfCashFlows": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of cash flows subject to deferred payment contingent consideration.",
        "label": "Deferred Payment Contingent Consideration Percentage Of Cash Flows",
        "terseLabel": "Deferred payment percentage"
       }
      }
     },
     "localname": "DeferredPaymentContingentConsiderationPercentageOfCashFlows",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_DerecognitionOfInvestmentsAccountedForUsingEquityMethod": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Derecognition Of Investments Accounted For Using Equity Method",
        "label": "Derecognition Of Investments Accounted For Using Equity Method",
        "negatedTerseLabel": "Transfer to asset acquisition (date of consolidation)"
       }
      }
     },
     "localname": "DerecognitionOfInvestmentsAccountedForUsingEquityMethod",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DerivativeFinancialInstrumentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for derivative financial instrument.",
        "label": "Derivative Financial Instrument [Member]",
        "terseLabel": "Derivative financial instrument"
       }
      }
     },
     "localname": "DerivativeFinancialInstrumentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForComparativesTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for comparatives.",
        "label": "Description Of Accounting Policy For Comparatives [Text Block]",
        "terseLabel": "Comparatives"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForComparativesTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForContractLiabilitiesExplanatoryPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for contract liabilities/deferred revenue.",
        "label": "Description Of Accounting Policy For Contract Liabilities Explanatory [Policy Text Block]",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForContractLiabilitiesExplanatoryPolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForEnvironmentalRehabilitationObligationFundsPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for environment rehabilitation obligation funds.",
        "label": "Description of Accounting Policy for Environmental Rehabilitation Obligation Funds [Policy Text Block]",
        "terseLabel": "Environmental rehabilitation obligation funds"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForEnvironmentalRehabilitationObligationFundsPolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomePolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for financial instruments at fair value through other comprehensive income.",
        "label": "Description Of Accounting Policy For Investments In Equity Instruments Designated At Fair Value Through Other Comprehensive Income [Policy Text Block]",
        "terseLabel": "Other investments"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomePolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForInvestmentsInJointOperationsPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for investments in joint operations.",
        "label": "Description of accounting policy for investments in joint Operations [policy text block]",
        "terseLabel": "Interests in joint operations"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForInvestmentsInJointOperationsPolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForLeaseAssetsExplanatoryPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for lease assets.",
        "label": "Description Of Accounting Policy For Lease Assets Explanatory [Policy Text Block]",
        "terseLabel": "Right of use assets"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForLeaseAssetsExplanatoryPolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForOccupationalHealthcareObligationPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of entity's accounting policy for occupational healthcare obligation.",
        "label": "Description of Accounting Policy for Occupational Healthcare Obligation [Policy Text Block]",
        "terseLabel": "Occupational healthcare obligation"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForOccupationalHealthcareObligationPolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfAccountingPolicyForOtherReceivablesAndOtherPayablesPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The description of the entity's accounting policy for other receivables and other payables.",
        "label": "Description of accounting policy for other receivables and other payables [Policy Text Block]",
        "terseLabel": "Other receivables and other payables"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForOtherReceivablesAndOtherPayablesPolicyTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DescriptionOfInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular description of investment in equity instruments designated as measured at fair value through other comprehensive income.",
        "label": "Description Of Investment In Equity Instruments Designated As Measured At Fair Value Through Other Comprehensive Income Explanatory [Table Text Block]",
        "terseLabel": "Schedule of other investments"
       }
      }
     },
     "localname": "DescriptionOfInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DilutedHeadlineEarningsLossPerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of headline profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares.",
        "label": "Diluted headline earnings loss per share",
        "terseLabel": "Diluted headline EPS (cents) (in ZAR per share)"
       }
      }
     },
     "localname": "DilutedHeadlineEarningsLossPerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_DirectorsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to directors.",
        "label": "Directors [Member]",
        "terseLabel": "Directors"
       }
      }
     },
     "localname": "DirectorsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DisclosureOfAssumptionsUsedInCalculationOfGoodwillTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of assumptions used in the calculation of impairment of goodwill.",
        "label": "Disclosure Of Assumptions Used In Calculation Of Impairment Of Goodwill [Table Text Block]",
        "terseLabel": "Schedule of estimates and assumptions used in calculation of impairment of goodwill"
       }
      }
     },
     "localname": "DisclosureOfAssumptionsUsedInCalculationOfGoodwillTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfCashAndCashEquivalentsComponentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of components of cash and cash equivalents.",
        "label": "Disclosure Of Cash And Cash Equivalents Components [Table Text Block]",
        "terseLabel": "Schedule of cash and cash equivalents"
       }
      }
     },
     "localname": "DisclosureOfCashAndCashEquivalentsComponentsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashandcashequivalentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of cash generated by operations.",
        "label": "Disclosure Of Cash Generated By Operations Explanatory [Text Block]",
        "terseLabel": "Cash generated by operations"
       }
      }
     },
     "localname": "DisclosureOfCashGeneratedByOperationsExplanatoryTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Cashgeneratedbyoperations"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfCashInterestPaidAndReceivedTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Cash Interest Paid And Received",
        "label": "Disclosure Of Cash Interest Paid And Received [Table Text Block]",
        "terseLabel": "Schedule of cash interest paid and received"
       }
      }
     },
     "localname": "DisclosureOfCashInterestPaidAndReceivedTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Change in working capital.",
        "label": "Disclosure Of Change In Working Capital Explanatory [Text Block]",
        "terseLabel": "Change in working capital"
       }
      }
     },
     "localname": "DisclosureOfChangeInWorkingCapitalExplanatoryTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Changeinworkingcapital"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfCommitmentsDetailTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The detail disclosure of commitments.",
        "label": "Disclosure Of Commitments Detail [Table Text Block]",
        "terseLabel": "Schedule of commitments"
       }
      }
     },
     "localname": "DisclosureOfCommitmentsDetailTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfCommitmentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.",
        "label": "Disclosure Of Commitments [Line Items]",
        "terseLabel": "Disclosure Of Commitments [Line Items]"
       }
      }
     },
     "localname": "DisclosureOfCommitmentsLineItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfCommitmentsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to commitments.",
        "label": "Disclosure Of Commitments [Table]",
        "terseLabel": "Disclosure Of Commitments [Table]"
       }
      }
     },
     "localname": "DisclosureOfCommitmentsTable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure about the components of equity method investments.",
        "label": "Disclosure of components of equity method investment [Table Text Block]",
        "terseLabel": "Schedule of components of equity method investments"
       }
      }
     },
     "localname": "DisclosureOfComponentsOfEquityMethodInvestmentsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfConsiderationPaidInAssetAcquisitionTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Consideration Paid In Asset Acquisition",
        "label": "Disclosure Of Consideration Paid In Asset Acquisition [Table Text Block]",
        "terseLabel": "Schedule of consideration paid for asset acquisition"
       }
      }
     },
     "localname": "DisclosureOfConsiderationPaidInAssetAcquisitionTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfConsiderationPaidInBusinessCombinationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The detailed disclosure of consideration paid in a business combination.",
        "label": "Disclosure Of Consideration Paid In Business Combination [Table Text Block]",
        "terseLabel": "Schedule of consideration paid for acquisition"
       }
      }
     },
     "localname": "DisclosureOfConsiderationPaidInBusinessCombinationTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfContractLiabilitiesExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure regarding contract contract liabilities.",
        "label": "Disclosure Of Contract Liabilities Explanatory [Text Block]",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "DisclosureOfContractLiabilitiesExplanatoryTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Deferredrevenue"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfContractLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.",
        "label": "Disclosure Of Contract Liabilities [Line Items]",
        "terseLabel": "Disclosure Of Contract Liabilities [Line Items]"
       }
      }
     },
     "localname": "DisclosureOfContractLiabilitiesLineItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfContractLiabilitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to contract liabilities.",
        "label": "Disclosure Of Contract Liabilities [Table]",
        "terseLabel": "Disclosure Of Contract Liabilities [Table]"
       }
      }
     },
     "localname": "DisclosureOfContractLiabilitiesTable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfDeferredAndContingentPaymentsMadeTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Deferred And Contingent Payments Made",
        "label": "Disclosure Of Deferred And Contingent Payments Made [Table Text Block]",
        "terseLabel": "Schedule of deferred/contingent payments made"
       }
      }
     },
     "localname": "DisclosureOfDeferredAndContingentPaymentsMadeTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfDetailInformationAboutShareBasedPaymentArrangementsPeerGroupCompaniesForTSRComparisonTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Detail Information About Share-Based Payment Arrangements, Peer Group Companies For TSR Comparison",
        "label": "Disclosure Of Detail Information About Share-Based Payment Arrangements, Peer Group Companies For TSR Comparison [Table Text Block]",
        "terseLabel": "Peer group companies for TSR comparison"
       }
      }
     },
     "localname": "DisclosureOfDetailInformationAboutShareBasedPaymentArrangementsPeerGroupCompaniesForTSRComparisonTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfDetailedInformationAboutSummaryOfSignificantAccountingPoliciesSubjectToSignificantJudgementsEstimatesAndAssumptionsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Detailed Information About Summary Of Significant Accounting Policies Subject To Significant Judgements, Estimates And Assumptions",
        "label": "Disclosure Of Detailed Information About Summary Of Significant Accounting Policies Subject To Significant Judgements, Estimates And Assumptions [Table Text Block]",
        "terseLabel": "Disclosure significant accounting policies subject to significant judgements, estimates and assumptions"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutSummaryOfSignificantAccountingPoliciesSubjectToSignificantJudgementsEstimatesAndAssumptionsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfDividendAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition.",
        "label": "Dividends",
        "terseLabel": "Dividends"
       }
      }
     },
     "localname": "DisclosureOfDividendAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfEnvironmentalRehabilitationObligationProvisionsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of activity in environmental rehabilitation obligations.",
        "label": "Disclosure Of Environmental Rehabilitation Obligation Provisions [Table Text Block]",
        "terseLabel": "Schedule of environmental rehabilitation obligation activity"
       }
      }
     },
     "localname": "DisclosureOfEnvironmentalRehabilitationObligationProvisionsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfEnvironmentalRehabilitationObligationsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entire disclosure for environmental rehabilitation obligations.",
        "label": "Disclosure Of Environmental Rehabilitation Obligations [Text Block]",
        "terseLabel": "Environmental rehabilitation obligation and other provisions"
       }
      }
     },
     "localname": "DisclosureOfEnvironmentalRehabilitationObligationsTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Environmentalrehabilitationobligationandotherprovisions"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndRiskManagementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition",
        "label": "Disclosure Of Fair Value Of Financial Assets And Financial Liabilities And Risk Management [Abstract]",
        "terseLabel": "FINANCIAL INSTRUMENTS AND RISK MANAGEMENT"
       }
      }
     },
     "localname": "DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndRiskManagementAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfGoodwillArisingFromBusinessCombinationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The detailed disclosure of goodwill arising from a business combination.",
        "label": "Disclosure Of Goodwill Arising From Business Combination [Table Text Block]",
        "terseLabel": "Schedule of goodwill arising from acquisition"
       }
      }
     },
     "localname": "DisclosureOfGoodwillArisingFromBusinessCombinationTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfKeyInputsUsedInMeasurementOfDeferredRevenueTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of Key Inputs Used in Measurement Of Deferred Revenue",
        "label": "Disclosure of Key Inputs Used in Measurement Of Deferred Revenue [Table Text Block]",
        "terseLabel": "Schedule of inputs to model to unwind deferred revenue"
       }
      }
     },
     "localname": "DisclosureOfKeyInputsUsedInMeasurementOfDeferredRevenueTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfLeasesLiabilitiesTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entire disclosure for lease liabilities.",
        "label": "Disclosure Of Leases Liabilities [Text Block]",
        "terseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "DisclosureOfLeasesLiabilitiesTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Leaseliabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfMovementInDeferredConsiderationLiabilityTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of movement in deferred consideration liability.",
        "label": "Disclosure Of Movement In Deferred Consideration Liability [Table Text Block]",
        "terseLabel": "Schedule of deferred payment/consideration"
       }
      }
     },
     "localname": "DisclosureOfMovementInDeferredConsiderationLiabilityTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfMovementInDividendObligationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of movement in dissenting shareholder liability.",
        "label": "Disclosure Of Movement In Dividend Obligation [Table Text Block]",
        "verboseLabel": "Schedule of movement in dividend obligation"
       }
      }
     },
     "localname": "DisclosureOfMovementInDividendObligationTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfMovementInEquityMethodInvestmentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the change in equity method investment.",
        "label": "Disclosure of movement in equity method investments [Table Text Block]",
        "terseLabel": "Schedule of movement in equity method investments"
       }
      }
     },
     "localname": "DisclosureOfMovementInEquityMethodInvestmentsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfNetDeferredTaxLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of net deferred tax liabilities.",
        "label": "Disclosure of Net Deferred Tax Liabilities [Table Text Block]",
        "terseLabel": "Schedule of components of net deferred tax liabilities"
       }
      }
     },
     "localname": "DisclosureOfNetDeferredTaxLiabilitiesTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfNonControllingInterestEffectOnRetainedEarningsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Non Controlling Interest Effect On Retained Earnings",
        "label": "Disclosure Of Non Controlling Interest Effect On Retained Earnings [Table Text Block]",
        "terseLabel": "Schedule of non controlling interest effect on accumulated profits"
       }
      }
     },
     "localname": "DisclosureOfNonControllingInterestEffectOnRetainedEarningsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfOccupationalHealthcareObligationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of occupational healthcare obligation.",
        "label": "Disclosure of Occupational Healthcare Obligation [Table Text Block]",
        "terseLabel": "Schedule of estimated costs and discounted using a risk-free rate"
       }
      }
     },
     "localname": "DisclosureOfOccupationalHealthcareObligationTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfOccupationalHealthcareObligationTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure of occupational healthcare obligations.",
        "label": "Disclosure of Occupational Healthcare Obligation [Text Block]",
        "terseLabel": "Occupational healthcare obligation"
       }
      }
     },
     "localname": "DisclosureOfOccupationalHealthcareObligationTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Occupationalhealthcareobligation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfOtherExpenseTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of other expenses charged to profit and loss.",
        "label": "Disclosure of Other Expense [Table Text Block]",
        "terseLabel": "Schedule of other costs"
       }
      }
     },
     "localname": "DisclosureOfOtherExpenseTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfOtherIncomeTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of other income recorded in profit and loss.",
        "label": "Disclosure Of Other Income [Table Text Block]",
        "terseLabel": "Schedule of other income"
       }
      }
     },
     "localname": "DisclosureOfOtherIncomeTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfOtherReceivablesAndOtherPayablesTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of other receivables and other payables.",
        "label": "Disclosure of other receivables and other payables [text block]",
        "terseLabel": "Other receivables and other payables"
       }
      }
     },
     "localname": "DisclosureOfOtherReceivablesAndOtherPayablesTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Otherreceivablesandotherpayables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfReconciliationOfDeferredTaxesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of reconciliation of the Group's mining and income tax to the South African statutory company tax rate.",
        "label": "Disclosure of Reconciliation of Deferred Taxes [Table Text Block]",
        "terseLabel": "Schedule of reconciliation of the Group's mining and income tax to the South African statutory company tax rate"
       }
      }
     },
     "localname": "DisclosureOfReconciliationOfDeferredTaxesTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfRestructuringCostsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information regarding restructuring costs.",
        "label": "Disclosure Of Restructuring Costs Explanatory [Text Block]",
        "terseLabel": "Restructuring costs"
       }
      }
     },
     "localname": "DisclosureOfRestructuringCostsExplanatoryTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Restructuringcosts"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfRevenueByProductTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of revenue by product.",
        "label": "Disclosure Of Revenue By Product [Table Text Block]",
        "terseLabel": "Schedule of revenue generated by product"
       }
      }
     },
     "localname": "DisclosureOfRevenueByProductTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfShareBasedPaymentArrangementPercentileOnPeerGroupTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of the percentile on peer group to determine vesting for certain of share-based payment arrangements.",
        "label": "Disclosure of share-based payment arrangement, percentile on peer group [table text block]",
        "terseLabel": "Summary of percentile on peer group"
       }
      }
     },
     "localname": "DisclosureOfShareBasedPaymentArrangementPercentileOnPeerGroupTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfShareBasedPaymentArrangementReturnOnCapitalEmployedTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of the return on capital employed to determine vesting for certain of share-based payment arrangements.",
        "label": "Disclosure of share-based payment arrangement, return on capital employed [table text block]",
        "terseLabel": "Summary of return on capital employed"
       }
      }
     },
     "localname": "DisclosureOfShareBasedPaymentArrangementReturnOnCapitalEmployedTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfSummaryOfSignificantAccountingPoliciesExcludingEstimatesAndAssumptionsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of significant accounting policies, except that the estimates and assumptions that have a significant risk of causing a material adjustment to the carrying amounts of assets and liabilities within the financial period are discussed under the relevant note of the item affected.",
        "label": "Disclosure Of Summary Of Significant Accounting Policies Excluding Estimates And Assumptions Explanatory [Text Block]",
        "terseLabel": "Accounting policies"
       }
      }
     },
     "localname": "DisclosureOfSummaryOfSignificantAccountingPoliciesExcludingEstimatesAndAssumptionsExplanatoryTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Accountingpolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfTradeAndOtherReceivablesComponentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of components of trade receivables and other current assets.",
        "label": "Disclosure Of Trade And Other Receivables Components [Table Text Block]",
        "terseLabel": "Schedule of trade and other receivables"
       }
      }
     },
     "localname": "DisclosureOfTradeAndOtherReceivablesComponentsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOfWorkingCapitalAndGoingConcernAssessmentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.",
        "label": "Disclosure of working capital and going concern assessment [Line Items]",
        "terseLabel": "Working capital and going concern assessment"
       }
      }
     },
     "localname": "DisclosureOfWorkingCapitalAndGoingConcernAssessmentLineItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOfWorkingCapitalAndGoingConcernAssessmentTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to working capital and going concern assessment.",
        "label": "Disclosure of working capital and going concern assessment [Table]",
        "terseLabel": "Disclosure of working capital and going concern assessment [Table]"
       }
      }
     },
     "localname": "DisclosureOfWorkingCapitalAndGoingConcernAssessmentTable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_DisclosureOtherPayablesComponentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of components of other payables.",
        "label": "Disclosure Other Payables Components [Table Text Block]",
        "terseLabel": "Schedule of other payables"
       }
      }
     },
     "localname": "DisclosureOtherPayablesComponentsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DisclosureOtherReceivablesComponentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of components of other receivables.",
        "label": "Disclosure Other Receivables Components [Table Text Block]",
        "terseLabel": "Schedule of other receivables"
       }
      }
     },
     "localname": "DisclosureOtherReceivablesComponentsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_DiscountAvailableUponExercisingOfPutOptions": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discount Available Upon Exercising Of Put Options",
        "label": "Discount Available Upon Exercising Of Put Options",
        "terseLabel": "Put option discount"
       }
      }
     },
     "localname": "DiscountAvailableUponExercisingOfPutOptions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_DiscountRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discount Rate",
        "label": "Discount Rate",
        "verboseLabel": "Estimated financing rate"
       }
      }
     },
     "localname": "DiscountRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_DistanceOfChemicalPlantFromMiningArea": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Distance Of Chemical Plant From Mining Area",
        "label": "Distance Of Chemical Plant From Mining Area",
        "terseLabel": "Distance from mining area"
       }
      }
     },
     "localname": "DistanceOfChemicalPlantFromMiningArea",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "lengthItemType"
    },
    "sbsw_DividendDeferredPayments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": 6.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dividend Deferred Payments",
        "label": "Dividend Deferred Payments",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at the beginning of the year",
        "terseLabel": "Marikana dividend obligation"
       }
      }
     },
     "localname": "DividendDeferredPayments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DividendsDeclaredAndPaidToNonControllingInterest": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": 1.0,
       "parentTag": "sbsw_DividendsDeclaredAndPaidToShareholders",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dividends Declared And Paid To Non Controlling Interest",
        "label": "Dividends Declared And Paid To Non Controlling Interest",
        "terseLabel": "Dividends paid to NCI of subsidiaries during the financial year"
       }
      }
     },
     "localname": "DividendsDeclaredAndPaidToNonControllingInterest",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DividendsDeclaredAndPaidToOwnersOfParent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": 2.0,
       "parentTag": "sbsw_DividendsDeclaredAndPaidToShareholders",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dividends Declared And Paid To Owners Of Parent",
        "label": "Dividends Declared And Paid To Owners Of Parent",
        "terseLabel": "Dividends paid during the financial year"
       }
      }
     },
     "localname": "DividendsDeclaredAndPaidToOwnersOfParent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DividendsDeclaredAndPaidToShareholders": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dividends Declared And Paid To Shareholders",
        "label": "Dividends Declared And Paid To Shareholders",
        "totalLabel": "Total dividends paid for the year1"
       }
      }
     },
     "localname": "DividendsDeclaredAndPaidToShareholders",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DividendsDeclaredOnPreferenceSharesMaximumAggregate": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The masimum payout in dividends on preference shares, per restructuring.",
        "label": "Dividends Declared On Preference Shares, Maximum Aggregate",
        "terseLabel": "Dividend cap amount"
       }
      }
     },
     "localname": "DividendsDeclaredOnPreferenceSharesMaximumAggregate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYearPerShare": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The per share amount of dividends relating to the current year, recognised as distributions to owners of the parent.",
        "label": "Dividends recognised as distributions to owners of parent, relating to current year per share",
        "terseLabel": "Dividend per share (interim) (in ZAR cents per share)"
       }
      }
     },
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYearPerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYearsPerShare": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The per share amount of dividends relating to prior years, recognised as distributions to owners of the parent.",
        "label": "Dividends recognised as distributions to owners of parent, relating to prior years per share",
        "terseLabel": "Dividend per share (final) (in ZAR cents per share)"
       }
      }
     },
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYearsPerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_DrdGoldCashSettledSchemeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "DRD Gold Cash Settled Scheme [Member]",
        "label": "Drd Gold Cash Settled Scheme [Member]",
        "terseLabel": "DRDGOLD (cash-settled scheme)"
       }
      }
     },
     "localname": "DrdGoldCashSettledSchemeMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DrdGoldSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the DRD Gold segment.",
        "label": "Drd Gold Segment [Member]",
        "terseLabel": "DRDGOLD",
        "verboseLabel": "DRDGOLD"
       }
      }
     },
     "localname": "DrdGoldSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DrdgoldLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for DRDGOLD limited.",
        "label": "Drdgold Limited [Member]",
        "terseLabel": "NCI of DRDGOLD",
        "verboseLabel": "Drdgold Limited"
       }
      }
     },
     "localname": "DrdgoldLimitedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesComparativesnarrativeDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsSummarisedfinancialinformationofsubsidiarygroupsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DriefonteinAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Driefontein assets subject to impairment.",
        "label": "Driefontein Assets [Member]",
        "terseLabel": "Driefontein"
       }
      }
     },
     "localname": "DriefonteinAssetsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_DriefonteinSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Driefontein segment.",
        "label": "Driefontein Segment [Member]",
        "terseLabel": "Driefontein"
       }
      }
     },
     "localname": "DriefonteinSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_EasternPlatinumPtyLtdMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Eastern Platinum Limited.",
        "label": "Eastern Platinum Pty Ltd [Member]",
        "terseLabel": "Eastern Platinum Limited"
       }
      }
     },
     "localname": "EasternPlatinumPtyLtdMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_EffectOnHeadlineEarnigsOfDerecognitionOfPropertyPlantAndEquipmentNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in headline earnings due to derecognition of property, plant and equipment, net of tax.",
        "label": "Effect On Headline Earnigs Of Derecognition Of Property Plant And Equipment, Net OF Tax",
        "negatedTerseLabel": "Derecognition of property, plant and equipment in Marathon project, net of tax"
       }
      }
     },
     "localname": "EffectOnHeadlineEarnigsOfDerecognitionOfPropertyPlantAndEquipmentNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_EffectOnHeadlineEarningsOfDerecognitionOfPropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the increase (decrease) in headline earnings for the derecognition of property, plant and equipment.",
        "label": "Effect On Headline Earnings Of Derecognition Of Property Plant And Equipment",
        "negatedTerseLabel": "Derecognition of property, plant and equipment in Marathon project"
       }
      }
     },
     "localname": "EffectOnHeadlineEarningsOfDerecognitionOfPropertyPlantAndEquipment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_EffectiveProportionOfOwnershipInterestInSubsidiary": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Effective Proportion Of Ownership Interest In Subsidiary",
        "label": "Effective Proportion Of Ownership Interest In Subsidiary",
        "terseLabel": "Effective proportion of ownership interest in subsidiary"
       }
      }
     },
     "localname": "EffectiveProportionOfOwnershipInterestInSubsidiary",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_EffectiveRateOfRoyaltyTaxPayableForMiningRevenue": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Effective rate of royalty tax payable for mining revenue.",
        "label": "Effective rate of royalty tax payable for mining revenue",
        "terseLabel": "Effective rate of royalty tax payable"
       }
      }
     },
     "localname": "EffectiveRateOfRoyaltyTaxPayableForMiningRevenue",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ElaineDorwardKingMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Elaine Dorward-King",
        "label": "Elaine Dorward-King [Member]",
        "terseLabel": "Elaine Dorward-King"
       }
      }
     },
     "localname": "ElaineDorwardKingMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ElaineJayDorwardKingMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Elaine Jay Dorward-King.",
        "label": "Elaine Jay Dorward King [Member]",
        "verboseLabel": "Elaine Dorward-King"
       }
      }
     },
     "localname": "ElaineJayDorwardKingMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_EnHyWhereMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "EnHyWhere",
        "label": "EnHyWhere [Member]",
        "terseLabel": "EnHyWhere"
       }
      }
     },
     "localname": "EnHyWhereMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_EnvironmentalRehabilitationFundReceipts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 10.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash inflow in the form of receipts from the environmental rehabilitation fund.",
        "label": "Environmental Rehabilitation Fund Receipts",
        "terseLabel": "Receipts from environmental rehabilitation funds"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationFundReceipts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_EnvironmentalRehabilitationLiabilitiesRecognisedAsOfAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for environmental rehabilitation liabilities assumed in a business combination.",
        "label": "Environmental rehabilitation liabilities recognised as of acquisition date",
        "negatedTerseLabel": "Environmental rehabilitation obligation and other provisions"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationLiabilitiesRecognisedAsOfAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_EnvironmentalRehabilitationObligationChargeToProfitLossExcludingChangeInRightOfRecoveryReceivablePayable": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of charge to profit or loss during the period which is attributable to environmental rehabilitation without the effect of the change in the right of recovery receivable/(payable).",
        "label": "Environmental Rehabilitation Obligation Charge To Profit Loss Excluding Change In Right Of Recovery Receivable Payable",
        "terseLabel": "Change in estimates charged to profit or loss"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationObligationChargeToProfitLossExcludingChangeInRightOfRecoveryReceivablePayable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_EnvironmentalRehabilitationObligationDiscountRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of discount rate used to calculate the provision.",
        "label": "Environmental Rehabilitation Obligation Discount Rate",
        "terseLabel": "Discount rate"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationObligationDiscountRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_EnvironmentalRehabilitationObligationFundsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Environmental rehabilitation obligation funds [Abstract]",
        "terseLabel": "ENVIRONMENTAL REHABILITATION OBLIGATION FUNDS"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationObligationFundsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_EnvironmentalRehabilitationObligationFundsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for funds held by the entity that represent environment rehabilitation obligation funds.",
        "label": "Environmental Rehabilitation Obligation Funds [Member]",
        "terseLabel": "Environmental rehabilitation obligation funds"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationObligationFundsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_EnvironmentalRehabilitationObligationInflationRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The rate of inflation used to determine the provision for environmental rehabilitation obligation.",
        "label": "Environmental Rehabilitation Obligation Inflation Rate",
        "terseLabel": "Inflation rate"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationObligationInflationRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_EnvironmentalRehabilitationObligationPaymentsOrCapitalisedExpenditures": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The reduction in the environmental rehabilitation obligation due to payments or capitalisation of operating expenditures.",
        "label": "Environmental Rehabilitation Obligation Payments Or Capitalised Expenditures",
        "negatedTerseLabel": "Utilisation of environmental rehabilitation obligation"
       }
      }
     },
     "localname": "EnvironmentalRehabilitationObligationPaymentsOrCapitalisedExpenditures",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_EnvironmentalSocialAndGovernanceESGMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Environmental, Social and Governance (ESG)",
        "label": "Environmental, Social and Governance (ESG) [Member]",
        "terseLabel": "ESG"
       }
      }
     },
     "localname": "EnvironmentalSocialAndGovernanceESGMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_EquityAccountedInvestmentDecreaseDueToRedemptionOfInvesteeShares": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The decrease in the equity-accounted investment due to redemption of investee shares.",
        "label": "Equity-Accounted Investment, Decrease Due To Redemption Of Investee Shares",
        "negatedTerseLabel": "Preference shares redeemed"
       }
      }
     },
     "localname": "EquityAccountedInvestmentDecreaseDueToRedemptionOfInvesteeShares",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ErametSAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Eramet SA",
        "label": "Eramet SA [Member]",
        "terseLabel": "Eramet SA"
       }
      }
     },
     "localname": "ErametSAMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ExpectedLifetimeOfMines": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expected Lifetime Of Mines",
        "label": "Expected Lifetime Of Mines",
        "terseLabel": "Life-of-mine"
       }
      }
     },
     "localname": "ExpectedLifetimeOfMines",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_ExpectedProportionOfOwnershipInterestInJointVentureToBeAcquired": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expected Proportion Of Ownership Interest In Joint Venture To Be Acquired",
        "label": "Expected Proportion Of Ownership Interest In Joint Venture To Be Acquired",
        "terseLabel": "Expected proportion of ownership interest in joint venture"
       }
      }
     },
     "localname": "ExpectedProportionOfOwnershipInterestInJointVentureToBeAcquired",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ExpenditureRequiredForAdditionalOwnershipInterest": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of additional expenditure required to earn an additional ownership interest",
        "label": "Expenditure Required For Additional Ownership Interest",
        "terseLabel": "Expenditure for additional ownership interest"
       }
      }
     },
     "localname": "ExpenditureRequiredForAdditionalOwnershipInterest",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ExpenseFromShareBasedPaymentTransactions": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 4.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 1.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of expense from share-based payment transactions with employees",
        "label": "Expense From Share-Based Payment Transactions",
        "negatedLabel": "Total share-based payment expense",
        "negatedTerseLabel": "Share-based payment expenses",
        "verboseLabel": "Share-based payments"
       }
      }
     },
     "localname": "ExpenseFromShareBasedPaymentTransactions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ExpenseFromShareBasedPaymentTransactionsSettledWithCash": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails": {
       "order": 1.0,
       "parentTag": "sbsw_ExpenseFromShareBasedPaymentTransactions",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of expense from share-based payment transactions, settled with cash.",
        "label": "Expense From Share-based Payment Transactions, Settled With Cash",
        "negatedLabel": "Cash-settled share-based payment expense"
       }
      }
     },
     "localname": "ExpenseFromShareBasedPaymentTransactionsSettledWithCash",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ExpenseFromShareBasedPaymentTransactionsSettledWithEquity": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails": {
       "order": 2.0,
       "parentTag": "sbsw_ExpenseFromShareBasedPaymentTransactions",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of expense from share-based payment transactions, settled with equity.",
        "label": "Expense From Share-Based Payment Transactions, Settled With Equity",
        "negatedLabel": "Equity-settled share-based payment expense"
       }
      }
     },
     "localname": "ExpenseFromShareBasedPaymentTransactionsSettledWithEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ExpenseGainRecognizedForEstimatedSettlements": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 21.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 2.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expense recognised for estimated settlement of legal claims and related costs recognised as a provision.",
        "label": "Expense (Gain) Recognized For Estimated Settlements",
        "negatedLabel": "Occupational healthcare gain/(expense)",
        "terseLabel": "Occupational healthcare (gain)/expense",
        "verboseLabel": "Occupational healthcare (gain)/expense"
       }
      }
     },
     "localname": "ExpenseGainRecognizedForEstimatedSettlements",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_FacilityCappedAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Facility capped amount.",
        "label": "Facility capped amount",
        "terseLabel": "Facility capped amount"
       }
      }
     },
     "localname": "FacilityCappedAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_FairValueOfAcquiredReceivablesAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 8.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair Value Of Acquired Receivables As Of Asset Acquisition Date",
        "label": "Fair Value Of Acquired Receivables As Of Asset Acquisition Date",
        "terseLabel": "Trade and other receivables"
       }
      }
     },
     "localname": "FairValueOfAcquiredReceivablesAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_FinanceExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "N/A",
        "label": "Finance expense",
        "terseLabel": "Finance expense"
       }
      }
     },
     "localname": "FinanceExpenseAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_FinancialSupportProvidedToRelatedPartyMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financial Support Provided To Related Party",
        "label": "Financial Support Provided To Related Party [Member]",
        "terseLabel": "Financial support to related party"
       }
      }
     },
     "localname": "FinancialSupportProvidedToRelatedPartyMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_FirstTrancheMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "First Tranche",
        "label": "First Tranche [Member]",
        "terseLabel": "First tranche"
       }
      }
     },
     "localname": "FirstTrancheMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ForeignCurrencyTranslationAdjustmentBorrowings": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The changes in borrowings due to foreign currency translation adjustment.",
        "label": "Foreign Currency Translation Adjustment, Borrowings",
        "negatedLabel": "Loss on foreign exchange differences",
        "negatedTerseLabel": "Loss on foreign exchange differences and foreign currency translation"
       }
      }
     },
     "localname": "ForeignCurrencyTranslationAdjustmentBorrowings",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ForeignCurrencyTranslationAdjustmentEnvironmentalRehabilitationObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in environmental rehabilitation obligation resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity.",
        "label": "Foreign Currency Translation Adjustment, Environmental Rehabilitation Obligation",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "ForeignCurrencyTranslationAdjustmentEnvironmentalRehabilitationObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ForeignCurrencyTranslationOnEquityAccountedInvestment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amounts of foreign currency translation on equity-accounted investment.",
        "label": "Foreign Currency Translation On Equity Accounted Investment",
        "negatedTerseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "ForeignCurrencyTranslationOnEquityAccountedInvestment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ForeignCurrencyTranslationOnTaxAndRoyalty": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The decrease (increase) in tax and royalties payable resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity.",
        "label": "Foreign Currency Translation on Tax and Royalty",
        "negatedLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "ForeignCurrencyTranslationOnTaxAndRoyalty",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ForeignExchangeDifferencesAndTransactionCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Foreign Exchange Differences And Transaction Costs",
        "label": "Foreign Exchange Differences And Transaction Costs",
        "negatedTerseLabel": "Net effect due to foreign currency translation, share subscription costs and put options"
       }
      }
     },
     "localname": "ForeignExchangeDifferencesAndTransactionCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ForeignExchangeMovementRecycledThroughProfitOrLoss": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Foreign Exchange Movement Recycled Through Profit Or Loss",
        "label": "Foreign Exchange Movement Recycled Through Profit Or Loss",
        "terseLabel": "Foreign exchange movement recycled through profit or loss"
       }
      }
     },
     "localname": "ForeignExchangeMovementRecycledThroughProfitOrLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ForeignExchangeMovementRecycledThroughProfitOrLossNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Foreign Exchange Movement Recycled Through Profit Or Loss, Net Of Tax",
        "label": "Foreign Exchange Movement Recycled Through Profit Or Loss, Net Of Tax",
        "terseLabel": "Foreign exchange movement recycled through profit or loss, net of tax"
       }
      }
     },
     "localname": "ForeignExchangeMovementRecycledThroughProfitOrLossNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_FrancoNevadaLiabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the Franco-Nevada liability.",
        "label": "Franco Nevada Liability [Member]",
        "terseLabel": "Franco-Nevada liability"
       }
      }
     },
     "localname": "FrancoNevadaLiabilityMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_FuruyaMetalsInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Furuya Metals Investment.",
        "label": "Furuya Metals Investment [Member]",
        "terseLabel": "Furuya Metal Company Limited"
       }
      }
     },
     "localname": "FuruyaMetalsInvestmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_GTSMSubsidiaryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the entity's interest in GTSM.",
        "label": "G T S M Subsidiary [Member]",
        "terseLabel": "NCI of Group Technical Security Management"
       }
      }
     },
     "localname": "GTSMSubsidiaryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_GainFromChangeInEstimateOfRehabilition": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 11.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gain From Change In Estimate Of Rehabilition",
        "label": "Gain From Change In Estimate Of Rehabilition",
        "negatedTerseLabel": "Change in estimate of environmental rehabilitation obligation"
       }
      }
     },
     "localname": "GainFromChangeInEstimateOfRehabilition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainFromChangeInEstimateOfRehabilitionOrOtherObligations": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of change in estimate of environmental rehabilitation obligation, and right of recovery receivable and payable that was recorded in other income.",
        "label": "Gain From Change In Estimate Of Rehabilition Or Other Obligations",
        "terseLabel": "Change in estimate of environmental rehabilitation obligation, and right of recovery receivable and payable"
       }
      }
     },
     "localname": "GainFromChangeInEstimateOfRehabilitionOrOtherObligations",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainLossFromChangeInEstimateOfRehabilitionOrOtherObligations": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 8.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gain (Loss) From Change In Estimate Of Rehabilition Or Other Obligations",
        "label": "Gain (Loss) From Change In Estimate Of Rehabilition Or Other Obligations",
        "negatedTerseLabel": "Change in estimate of environmental rehabilitation obligation, and right of recovery receivable and payable"
       }
      }
     },
     "localname": "GainLossFromChangeInEstimateOfRehabilitionOrOtherObligations",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainLossOnDerecognitionOfBorrowings": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 11.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 19.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 20.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of gain resulting from the derecognition of borrowings.",
        "label": "Gain (Loss) On Derecognition Of Borrowings",
        "negatedTerseLabel": "Early redemption premium on the 2025 Notes",
        "terseLabel": "Early redemption premium on the 2025 Notes"
       }
      }
     },
     "localname": "GainLossOnDerecognitionOfBorrowings",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainLossOnDerecognitionOfBorrowingsAndDerivativeInstrument": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 7.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "localname": "GainLossOnDerecognitionOfBorrowingsAndDerivativeInstrument",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainLossOnFinancialInstrumentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "(Loss)/gain on financial instruments",
        "terseLabel": "(Loss)/gain on financial instruments"
       }
      }
     },
     "localname": "GainLossOnFinancialInstrumentsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_GainLossOnFinancialInstrumentsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of detailed information about gain (loss) on financial instruments.",
        "label": "Gain (Loss) on Financial Instruments [Text Block]",
        "terseLabel": "Loss on financial instruments"
       }
      }
     },
     "localname": "GainLossOnFinancialInstrumentsTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Lossonfinancialinstruments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_GainOnDeregistrationOfSubsidiary": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_OtherIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gain On Deregistration Of Subsidiary",
        "label": "Gain On Deregistration Of Subsidiary",
        "terseLabel": "Gain on deregistration of a subsidiary"
       }
      }
     },
     "localname": "GainOnDeregistrationOfSubsidiary",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainsLossesOnFairValueAdjustmentOtherInvestments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 5.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 16.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The gains (losses) on financial instruments.",
        "label": "Gains (Losses) On Fair Value Adjustment Other Investments",
        "negatedLabel": "Loss on financial instruments",
        "terseLabel": "Loss on financial instruments",
        "totalLabel": "Total loss on financial instruments3"
       }
      }
     },
     "localname": "GainsLossesOnFairValueAdjustmentOtherInvestments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainsLossesRecognisedWhenControlOfSubsidiaryIsLostNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gains (Losses) Recognised When Control Of Subsidiary Is Lost, Net Of Tax",
        "label": "Gains (Losses) Recognised When Control Of Subsidiary Is Lost, Net Of Tax",
        "negatedTerseLabel": "Profit on sale of subsidiary, net of tax"
       }
      }
     },
     "localname": "GainsLossesRecognisedWhenControlOfSubsidiaryIsLostNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GainsOnDisposalsOfPropertyPlantAndEquipmentNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The gain on the disposal of property, plant and equipment, after tax.",
        "label": "Gains on disposals of property plant and equipment, net of tax",
        "negatedLabel": "Gains on disposals of property plant and equipment, net of tax"
       }
      }
     },
     "localname": "GainsOnDisposalsOfPropertyPlantAndEquipmentNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_GenerationMiningInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Generation Mining Investment.",
        "label": "Generation Mining Investment [Member]",
        "terseLabel": "Generation Mining Limited"
       }
      }
     },
     "localname": "GenerationMiningInvestmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_GlintIncorporatedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Glint Incorporated",
        "label": "Glint Incorporated [Member]",
        "terseLabel": "Glint Incorporated"
       }
      }
     },
     "localname": "GlintIncorporatedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_GoldDivisionSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Gold division segment.",
        "label": "Gold Division Segment [Member]",
        "terseLabel": "SA gold operations",
        "verboseLabel": "SA gold operations"
       }
      }
     },
     "localname": "GoldDivisionSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RestructuringcostsDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_GoldMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to gold mining activities.",
        "label": "Gold Mining Activities [Member]",
        "terseLabel": "Gold",
        "verboseLabel": "Gold mining activities"
       }
      }
     },
     "localname": "GoldMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_GoldPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Price of gold in SA rand per kg.",
        "label": "Gold Price",
        "terseLabel": "Revised gold prices (ZAR/kg)"
       }
      }
     },
     "localname": "GoldPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_GoldSpotPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gold Spot Price",
        "label": "Gold Spot Price",
        "terseLabel": "Gold spot price (in USD per ounce)"
       }
      }
     },
     "localname": "GoldSpotPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_GoodwillAssumptionOfCobaltPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Goodwill, Assumption Of Cobalt Price",
        "label": "Goodwill, Assumption Of Cobalt Price",
        "terseLabel": "Average cobalt price (in USD per lbs)"
       }
      }
     },
     "localname": "GoodwillAssumptionOfCobaltPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_GoodwillAssumptionOfGoldPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The expected gold price used as an assumption to determine the value of goodwill.",
        "label": "Goodwill, assumption of gold price",
        "terseLabel": "Average gold price (in ZAR per kilogram)"
       }
      }
     },
     "localname": "GoodwillAssumptionOfGoldPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_GoodwillAssumptionOfInflationRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The expected inflation rate used as an assumption to determine the value of goodwill.",
        "label": "Goodwill, assumption of inflation rate",
        "terseLabel": "Inflation rate"
       }
      }
     },
     "localname": "GoodwillAssumptionOfInflationRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_GoodwillAssumptionOfNickelPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Goodwill, Assumption Of Nickel Price",
        "label": "Goodwill, Assumption Of Nickel Price",
        "terseLabel": "Average nickel price (in USD per lbs)"
       }
      }
     },
     "localname": "GoodwillAssumptionOfNickelPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_GoodwillAssumptionOfNominalDiscountRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The expected nominal discount rate used as an assumption to determine the value of goodwill.",
        "label": "Goodwill, assumption of nominal discount rate",
        "terseLabel": "Nominal discount rate"
       }
      }
     },
     "localname": "GoodwillAssumptionOfNominalDiscountRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_GoodwillAssumptionOfPlatinumMetalsBasketPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The expected price of platinum metals (4E) used as an assumption to determine the value of goodwill.",
        "label": "Goodwill, assumption of platinum metals basket price",
        "terseLabel": "Average PGM (4E) basket price (in ZAR per ounce)"
       }
      }
     },
     "localname": "GoodwillAssumptionOfPlatinumMetalsBasketPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_GrossMinimumDeferredPaymentContingentConsideration": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The gross minimum deferred payment for the contingent consideration, for which the present value was recognised at acquisition date.",
        "label": "Gross Minimum Deferred Payment Contingent Consideration",
        "terseLabel": "Gross minimum deferred payment for the contingent consideration"
       }
      }
     },
     "localname": "GrossMinimumDeferredPaymentContingentConsideration",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_HarryKenyonSlaneyMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Harry Kenyon-Slaney.",
        "label": "Harry Kenyon Slaney [Member]",
        "terseLabel": "Harry Kenyon-Slaney",
        "verboseLabel": "Harry Kenyon-Slaney"
       }
      }
     },
     "localname": "HarryKenyonSlaneyMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_HartleyDikgaleMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Hartley Dikgale.",
        "label": "Hartley Dikgale [Member]",
        "terseLabel": "Hartley Dikgale"
       }
      }
     },
     "localname": "HartleyDikgaleMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_HeadlineEarnings": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Headline earnings are a measurement of a company's earnings based solely on operational and capital investment activities. It specifically excludes any income that may relate to staff reductions, sales of assets, or accounting write-downs.",
        "label": "Headline earnings",
        "terseLabel": "Headline earnings"
       }
      }
     },
     "localname": "HeadlineEarnings",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_HeadlineEarningsLossPerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of headline profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).",
        "label": "Headline earnings loss per share",
        "negatedTerseLabel": "Headline EPS (cents) (in ZAR per share)"
       }
      }
     },
     "localname": "HeadlineEarningsLossPerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_HeadlineEarningsPerShareExplanatoryTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of headline earnings per share.",
        "label": "Headline Earnings Per Share Explanatory [Table Text Block]",
        "terseLabel": "Headline earnings per share"
       }
      }
     },
     "localname": "HeadlineEarningsPerShareExplanatoryTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_HighRangeOfProductDeliveryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the scenario in which the quantity of product delivered is in the highest range.",
        "label": "High Range Of Product Delivery [Member]",
        "terseLabel": "High range of product delivery"
       }
      }
     },
     "localname": "HighRangeOfProductDeliveryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_IFRSVestingDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "IFRS Vesting [Domain]",
        "label": "IFRS Vesting [Domain]",
        "terseLabel": "IFRS Vesting [Domain]"
       }
      }
     },
     "localname": "IFRSVestingDomain",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identifiable Assets Acquired (Liabilities Assumed), Asset Acquisition",
        "label": "Identifiable Assets Acquired (Liabilities Assumed), Asset Acquisition",
        "terseLabel": "Gross value of allocated purchase consideration",
        "totalLabel": "Total purchase consideration allocated on relative fair value basis"
       }
      }
     },
     "localname": "IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_Ifrs16Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to IFRS 16 - Leases.",
        "label": "Ifrs16 [Member]",
        "terseLabel": "IFRS 16"
       }
      }
     },
     "localname": "Ifrs16Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).",
        "label": "Ifrs Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized",
        "terseLabel": "Shares authorized (in shares)"
       }
      }
     },
     "localname": "IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_IfrsVestingAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.",
        "label": "IFRS Vesting [Axis]",
        "terseLabel": "IFRS Vesting [Axis]"
       }
      }
     },
     "localname": "IfrsVestingAxis",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_ImpactOfIfrs16": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 19.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount relates to Impact of IFRS 16.",
        "label": "Impact of IFRS 16",
        "negatedLabel": "IFRS 16 lease payments"
       }
      }
     },
     "localname": "ImpactOfIfrs16",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ImpactOnProfitAndLossOfSpecifiedPercentageChangeInInput": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in net profit or loss that would result from the specified change in the input.",
        "label": "Impact On Profit And Loss Of Specified Percentage Change In Input",
        "terseLabel": "Effect on net profit or loss"
       }
      }
     },
     "localname": "ImpactOnProfitAndLossOfSpecifiedPercentageChangeInInput",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ImpactOnRevenueAndRelatedReceivableOfSpecifiedPercentageChangeInInput": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in revenue and the related receivable that would result from the specified change in the input.",
        "label": "Impact On Revenue And Related Receivable Of Specified Percentage Change In Input",
        "terseLabel": "Effect on revenue and receivable balance"
       }
      }
     },
     "localname": "ImpactOnRevenueAndRelatedReceivableOfSpecifiedPercentageChangeInInput",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of impairment loss(reversal) recognised in profit or loss, after tax.",
        "label": "Impairment loss (reversal of impairment loss) recognised in profit or loss, net of tax",
        "terseLabel": "Impairments (reversal of impairments), net of tax"
       }
      }
     },
     "localname": "ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ImpairmentRightOfUseAssets": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Impairment, Right-Of-Use Assets",
        "label": "Impairment, Right-Of-Use Assets",
        "negatedTerseLabel": "Impairment of mining assets"
       }
      }
     },
     "localname": "ImpairmentRightOfUseAssets",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncomeTaxAggregateTemporaryDifferencesAssociatedWithSubsidiariesAmountsExemptFromRecognition": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate amount, at balance sheet date, of temporary differences associated with investments in subsidiaries for which no deferred tax liabilities have been recognised under IAS 12.39.",
        "label": "Income Tax, Aggregate Temporary Differences Associated With Subsidiaries, Amounts Exempt From Recognition",
        "terseLabel": "Aggregate unrecognised due to exemption"
       }
      }
     },
     "localname": "IncomeTaxAggregateTemporaryDifferencesAssociatedWithSubsidiariesAmountsExemptFromRecognition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncomeTaxAmountPreviouslyUnrecognisedNowProbableOfRealisation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of previously unrecognised deferred taxes now considered probable of realisation.",
        "label": "Income Tax, Amount Previously Unrecognised Now Probable Of Realisation",
        "terseLabel": "Amount now recognised"
       }
      }
     },
     "localname": "IncomeTaxAmountPreviouslyUnrecognisedNowProbableOfRealisation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncomeTaxDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.",
        "label": "Income tax disclosure [line items]",
        "terseLabel": "Income tax"
       }
      }
     },
     "localname": "IncomeTaxDisclosureLineItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_IncomeTaxDisclosureTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to income tax disclosures.",
        "label": "Income tax disclosure [table]",
        "terseLabel": "Income tax disclosure [table]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureTable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_IncreaseDecreaseInAdjustedEBITDADueToAReasonablyPossible1ChangeInRandToUSDExchangeRate": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in adjusted EBITDA as a result of a 1% change in rand/USD exchange rate that was reasonably possible at the end of the reporting period.",
        "label": "Increase Decrease In Adjusted EBITDA Due To A Reasonably Possible 1% Change In Rand To USD Exchange Rate",
        "terseLabel": "Increase in adjusted EBITDA due to decrease in exchange rate"
       }
      }
     },
     "localname": "IncreaseDecreaseInAdjustedEBITDADueToAReasonablyPossible1ChangeInRandToUSDExchangeRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseInEquityDueToConversionOfConvertibleDebtToEquity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in equity due to conversion of convertible debt to equity.",
        "label": "Increase (Decrease) In Equity Due To Conversion Of Convertible Debt To Equity",
        "terseLabel": "Shares issued upon conversion of US$ Convertible Bond"
       }
      }
     },
     "localname": "IncreaseDecreaseInEquityDueToConversionOfConvertibleDebtToEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseInEquityDueToReorganisation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in equity due to reorganisation.",
        "label": "Increase (Decrease) In Equity Due To Reorganisation",
        "terseLabel": "Increase (decrease) due to reorganisation"
       }
      }
     },
     "localname": "IncreaseDecreaseInEquityDueToReorganisation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseInGainOnForeignExchangeDifferencesDueToReasonablyPossibleDecreaseInRandToUsdExchangeRate": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in gain on foreign exchange differences as a result of a decrease in rand/USD exchange rate that was reasonably possible at the end of the reporting period.",
        "label": "Increase (Decrease) In Gain On Foreign Exchange Differences Due To Reasonably Possible Decrease In Rand To USD Exchange Rate",
        "negatedLabel": "Decrease in profit due to decrease in exchange rate"
       }
      }
     },
     "localname": "IncreaseDecreaseInGainOnForeignExchangeDifferencesDueToReasonablyPossibleDecreaseInRandToUsdExchangeRate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseInLossOnFinancialInstrumentsDueToReasonablyPossibleIncreaseInCommodityPrice": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in loss on financial instruments as a result of an increase in commodity price that was reasonably possible at the end of the reporting period.",
        "label": "Increase Decrease In Loss On Financial Instruments Due To Reasonably Possible Increase In Commodity Price",
        "terseLabel": "Increase in loss due to increase in commodity price"
       }
      }
     },
     "localname": "IncreaseDecreaseInLossOnFinancialInstrumentsDueToReasonablyPossibleIncreaseInCommodityPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseThroughAssetAcquisitionEquity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (Decrease) Through Asset Acquisition, Equity",
        "label": "Increase (Decrease) Through Asset Acquisition, Equity",
        "terseLabel": "Keliber asset acquisition"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughAssetAcquisitionEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseThroughForeignExchangeMovementRecycledThroughProfitOrLossEquity": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase/(Decrease) Through Foreign Exchange Movement Recycled Through Profit Or Loss, Equity",
        "label": "Increase/(Decrease) Through Foreign Exchange Movement Recycled Through Profit Or Loss, Equity",
        "negatedTerseLabel": "Foreign exchange movement recycled through profit or loss"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughForeignExchangeMovementRecycledThroughProfitOrLossEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseThroughReclassificationOfDepreciationToInventory": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from reclassification of depreciation to inventory.",
        "label": "Increase Decrease Through Reclassification Of Depreciation To Inventory",
        "negatedLabel": "Depreciation capitalised to inventory"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughReclassificationOfDepreciationToInventory",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseDecreaseThroughTransfersEquity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (Decrease) Through Transfers, Equity",
        "label": "Increase (Decrease) Through Transfers, Equity",
        "terseLabel": "Adjustment due to sale of St Helena Hospital Proprietary Limited (St Helena Hospital)"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTransfersEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseInDeferredPaymentsOnAccountOfInterestCharge": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in deferred payments on account of interest charge.",
        "label": "Increase in Deferred Payments on Account of Interest Charge",
        "terseLabel": "Interest charge"
       }
      }
     },
     "localname": "IncreaseInDeferredPaymentsOnAccountOfInterestCharge",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseInDeferredPaymentsOnAccountOfLossOnRevisedEstimatedCashFlows": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in deferred payments on account of loss on revised estimate of cash flows.",
        "label": "Increase in Deferred Payments on Account of Loss on Revised Estimated cash Flows",
        "terseLabel": "(Gain)/loss on revised estimated cash flows"
       }
      }
     },
     "localname": "IncreaseInDeferredPaymentsOnAccountOfLossOnRevisedEstimatedCashFlows",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseInLiabilityForShareBasedPaymentsRecognizedInProfitOrLoss": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase in the liability for share-based payments recognized as current expense in profit or loss.",
        "label": "Increase In Liability For Share-Based Payments Recognized In Profit Or Loss",
        "terseLabel": "Cash-settled share-based payments expense"
       }
      }
     },
     "localname": "IncreaseInLiabilityForShareBasedPaymentsRecognizedInProfitOrLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseThroughAdditionalBorrowings": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase through additional borrowings",
        "label": "Increase through additional borrowings",
        "terseLabel": "Loans raised",
        "verboseLabel": "Loans raised"
       }
      }
     },
     "localname": "IncreaseThroughAdditionalBorrowings",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseThroughDeferredRevenueReceivedCashAndNonCashContractLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase through deferred revenue received, cash and non-cash, contract liabilities",
        "label": "Increase through deferred revenue received, cash and non-cash, contract liabilities",
        "totalLabel": "Deferred revenue advance received"
       }
      }
     },
     "localname": "IncreaseThroughDeferredRevenueReceivedCashAndNonCashContractLiabilities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseThroughDeferredRevenueReceivedCashContractLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails": {
       "order": 2.0,
       "parentTag": "sbsw_IncreaseThroughDeferredRevenueReceivedCashAndNonCashContractLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase through deferred revenue received, cash, contract liabilities",
        "label": "Increase through deferred revenue received, cash, contract liabilities",
        "terseLabel": "Deferred revenue recognised during the period, cash"
       }
      }
     },
     "localname": "IncreaseThroughDeferredRevenueReceivedCashContractLiabilities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncreaseThroughDeferredRevenueReceivedNonCashContractLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails": {
       "order": 1.0,
       "parentTag": "sbsw_IncreaseThroughDeferredRevenueReceivedCashAndNonCashContractLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase through deferred revenue received, non-cash, contract liabilities",
        "label": "Increase through deferred revenue received, non-cash, contract liabilities",
        "terseLabel": "Deferred revenue recognised during the period, fair value of inventory"
       }
      }
     },
     "localname": "IncreaseThroughDeferredRevenueReceivedNonCashContractLiabilities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_IncrementalIncreaseOnReturnOnCapitalEmployedPercent": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage incremental increase on the return on capital employed (ROCE).",
        "label": "Incremental increase on return on capital employed, percent",
        "terseLabel": "ROCE incremental increase (as a percent)"
       }
      }
     },
     "localname": "IncrementalIncreaseOnReturnOnCapitalEmployedPercent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_InsuredEntitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Insured Entities",
        "label": "Insured Entities [Member]",
        "terseLabel": "Insured entities"
       }
      }
     },
     "localname": "InsuredEntitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_InterestExpenseOnContractLiabilityFinancingComponent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest expense on the financing component of the contract liability.",
        "label": "Interest Expense On Contract Liability Financing Component",
        "negatedLabel": "Deferred revenue"
       }
      }
     },
     "localname": "InterestExpenseOnContractLiabilityFinancingComponent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestExpenseOnDeferredConsiderationForAcquisition": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest expense on deferred consideration for an acquisition.",
        "label": "Interest Expense On Deferred Consideration For Acquisition",
        "negatedLabel": "Deferred consideration (related to Pandora acquisition)"
       }
      }
     },
     "localname": "InterestExpenseOnDeferredConsiderationForAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestExpenseOnDeferredPayment": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest expense on deferred payment.",
        "label": "Interest Expense on Deferred Payment",
        "negatedLabel": "Deferred payment (related to the Rustenburg operation acquisition)"
       }
      }
     },
     "localname": "InterestExpenseOnDeferredPayment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestExpenseOnOccupationalHealthcareObligation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest expense related to change in the present value of the provision for the occupational healthcare obligation.",
        "label": "Interest Expense on Occupational Healthcare Obligation",
        "negatedLabel": "Occupational healthcare obligation"
       }
      }
     },
     "localname": "InterestExpenseOnOccupationalHealthcareObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestExpensesOnEnvironmentRehabilitationObligation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest expense related to change in the present value of the provision for the environmental rehabilitation obligation.",
        "label": "Interest Expenses On Environment Rehabilitation Obligation",
        "negatedLabel": "Environmental rehabilitation obligation",
        "terseLabel": "Interest charge"
       }
      }
     },
     "localname": "InterestExpensesOnEnvironmentRehabilitationObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest income",
        "label": "Interest income [Abstract]",
        "terseLabel": "Interest income [Abstract]"
       }
      }
     },
     "localname": "InterestIncomeAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_InterestIncomeOnRightOfRecoveryAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of interest income earned during the period on right of recovery assets.",
        "label": "Interest Income On Right Of Recovery Assets",
        "terseLabel": "Interest on right of recovery asset"
       }
      }
     },
     "localname": "InterestIncomeOnRightOfRecoveryAssets",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestIncomeRehabilitationObligationFund": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the interest earned on the assets in the rehabilitation obligation fund.",
        "label": "Interest Income, Rehabilitation Obligation Fund",
        "negatedLabel": "Interest income"
       }
      }
     },
     "localname": "InterestIncomeRehabilitationObligationFund",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestPaidReceivedClassifiedAsOperatingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Paid (Received), Classified As Operating Activities",
        "label": "Interest Paid (Received), Classified As Operating Activities",
        "negatedTotalLabel": "Net interest (paid)/received"
       }
      }
     },
     "localname": "InterestPaidReceivedClassifiedAsOperatingActivities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseCashinterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InterestPortionOfBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the information pertaining to interest portion of borrowings",
        "label": "Interest Portion Of Borrowings [Member]",
        "terseLabel": "- Interest"
       }
      }
     },
     "localname": "InterestPortionOfBorrowingsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_InterestRateMarginAboveHighestCostOfDebtPercent": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum incremental interest rate above the entity's highest cost of debt, as a percent.",
        "label": "Interest Rate Margin Above Highest Cost of Debt , Percent",
        "terseLabel": "Incremental interest rate above highest cost of debt (as a percent)"
       }
      }
     },
     "localname": "InterestRateMarginAboveHighestCostOfDebtPercent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_InterestRateMarginThreshold": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The specified ratio of net debt to adjusted EBITDA that determines the marginal interest rate.",
        "label": "Interest Rate Margin Threshold",
        "terseLabel": "Net debt to EBITDA threshold"
       }
      }
     },
     "localname": "InterestRateMarginThreshold",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_InvestmentCommitmentAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Investment Commitment",
        "label": "Investment Commitment [Axis]",
        "terseLabel": "Investment Commitment [Axis]"
       }
      }
     },
     "localname": "InvestmentCommitmentAxis",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_InvestmentCommitmentDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "",
        "label": "Investment Commitment [Domain]",
        "terseLabel": "Investment Commitment [Domain]"
       }
      }
     },
     "localname": "InvestmentCommitmentDomain",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_InvestmentCommitmentEquityInvestmentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Investment Commitment, Equity Investment Amount",
        "label": "Investment Commitment, Equity Investment Amount",
        "terseLabel": "Equity investment"
       }
      }
     },
     "localname": "InvestmentCommitmentEquityInvestmentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_InvestmentCommitmentSubscriptionPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Investment Commitment, Subscription Period",
        "label": "Investment Commitment, Subscription Period",
        "terseLabel": "Subscription period"
       }
      }
     },
     "localname": "InvestmentCommitmentSubscriptionPeriod",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_IoneerLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Ioneer Limited",
        "label": "Ioneer Limited [Member]",
        "terseLabel": "Ioneer Limited"
       }
      }
     },
     "localname": "IoneerLimitedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_IridiumMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to iridium mining activities.",
        "label": "Iridium Mining Activities [Member]",
        "terseLabel": "Iridium"
       }
      }
     },
     "localname": "IridiumMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_JeremiahVilakaziMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Jeremiah Vilakazi.",
        "label": "Jeremiah Vilakazi [Member]",
        "terseLabel": "Jeremiah Vilakazi",
        "verboseLabel": "Jeremiah Vilakazi"
       }
      }
     },
     "localname": "JeremiahVilakaziMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_JohannesburgInterbankAverageRateJibarMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the Johannesburg interbank market.",
        "label": "Johannesburg Interbank Average Rate Jibar [Member]",
        "terseLabel": "JIBAR"
       }
      }
     },
     "localname": "JohannesburgInterbankAverageRateJibarMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_JointVentureConsiderationCounterpartyEquityInterest": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percent of ownership interest in the counterparty due to the entity as consideration for the joint venture.",
        "label": "Joint Venture Consideration Counterparty Equity Interest",
        "terseLabel": "Equity interest consideration, as a percent"
       }
      }
     },
     "localname": "JointVentureConsiderationCounterpartyEquityInterest",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_JointVentureInitialFinancingAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of initial financing for the joint venture.",
        "label": "Joint Venture Initial Financing Amount",
        "terseLabel": "Initial financing"
       }
      }
     },
     "localname": "JointVentureInitialFinancingAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_JointVentureOwnershipInterestOfCounterpartyAdditional": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The difference between the initial and the maximum potential ownership interest of the entity's counterparty in the joint venture.",
        "label": "Joint Venture Ownership Interest Of Counterparty Additional",
        "terseLabel": "Additional possible ownership interest, as a percent"
       }
      }
     },
     "localname": "JointVentureOwnershipInterestOfCounterpartyAdditional",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_JointVentureOwnershipInterestOfCounterpartyInitial": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The initial ownership interest of the entity's counterparty in the joint venture, upon satisfaction of specified requirements.",
        "label": "Joint Venture Ownership Interest Of Counterparty, Initial",
        "terseLabel": "Joint venture ownership interest of counterparty, initial",
        "verboseLabel": "Initial ownership interest of counterparty, as a percent"
       }
      }
     },
     "localname": "JointVentureOwnershipInterestOfCounterpartyInitial",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_JointVentureOwnershipInterestOfCounterpartyMaximum": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum potential ownership interest of the entity's counterparty in the joint venture.",
        "label": "Joint Venture Ownership Interest Of Counterparty Maximum",
        "terseLabel": "Maximum ownership interest of counterparty, as a percent"
       }
      }
     },
     "localname": "JointVentureOwnershipInterestOfCounterpartyMaximum",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_JointVentureSharesReceived": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares of the joint venture received by the entity at inception of the arrangement.",
        "label": "Joint Venture Shares Received",
        "terseLabel": "Joint venture number of shares received"
       }
      }
     },
     "localname": "JointVentureSharesReceived",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_KeithRaynerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Keith Rayner.",
        "label": "Keith Rayner [Member]",
        "terseLabel": "Keith Rayner"
       }
      }
     },
     "localname": "KeithRaynerMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_KeliberOperationsSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Keliber Operations Segment",
        "label": "Keliber Operations Segment [Member]",
        "terseLabel": "Keliber"
       }
      }
     },
     "localname": "KeliberOperationsSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_KeliberOyMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Keliber Oy.",
        "label": "Keliber Oy [Member]",
        "terseLabel": "Keliber",
        "verboseLabel": "NCI of Keliber"
       }
      }
     },
     "localname": "KeliberOyMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_KeyManagementPersonnelCompensationCommitteePayments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of compensation to key management personnel for serving on committees.",
        "label": "Key Management Personnel Compensation, Committee Payments",
        "verboseLabel": "Committee fees"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationCommitteePayments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_KeyManagementPersonnelCompensationDirectorPayments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of compensation to key management personnel serving in the capacity as a director.",
        "label": "Key Management Personnel Compensation, Director Payments",
        "verboseLabel": "Directors fees"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationDirectorPayments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_KeyManagementPersonnelCompensationExpenseAllowance": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of an expense allowance.",
        "label": "Key Management Personnel Compensation, Expense Allowance",
        "terseLabel": "Expense allowance and other benefits",
        "verboseLabel": "Expense allowance"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationExpenseAllowance",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_KeyManagementPersonnelCompensationShortTermEmployeeBenefitsAnnualIncentives": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of annual incentives.",
        "label": "Key Management Personnel Compensation, Short-term Employee Benefits Annual Incentives",
        "terseLabel": "Cash bonus accrued for 2022 paid in 2023"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationShortTermEmployeeBenefitsAnnualIncentives",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_KloofAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Kloof assets or goodwill subject to impairment.",
        "label": "Kloof Assets [Member]",
        "terseLabel": "Kloof"
       }
      }
     },
     "localname": "KloofAssetsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_KloofSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Kloof segment.",
        "label": "Kloof Segment [Member]",
        "terseLabel": "Kloof"
       }
      }
     },
     "localname": "KloofSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_KroondalSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Kroondal segment.",
        "label": "Kroondal Segment [Member]",
        "terseLabel": "Kroondal"
       }
      }
     },
     "localname": "KroondalSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LaurentCharbonnierMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Laurent Charbonnier, an officer of the entity.",
        "label": "Laurent Charbonnier [Member]",
        "terseLabel": "Laurent Charbonnier"
       }
      }
     },
     "localname": "LaurentCharbonnierMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LeaseExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of lease expense during the period.",
        "label": "Lease Expense",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "LeaseExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesLeasepaymentsexpensedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeaseLiabilitiesAcquiredDuringPeriod": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of lease liabilities acquired during the period.",
        "label": "Lease Liabilities Acquired During Period",
        "terseLabel": "Lease liabilities on acquisition of subsidiaries"
       }
      }
     },
     "localname": "LeaseLiabilitiesAcquiredDuringPeriod",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeaseLiabilitiesForeignCurrencyTranslation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in lease liabilities pertaining to foreign currency translations.",
        "label": "Lease Liabilities, Foreign Currency Translation",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "LeaseLiabilitiesForeignCurrencyTranslation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeaseLiabilitiesNewLeasesAndModifications": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase in lease liabilities during the period due to new leases and modifications.",
        "label": "Lease Liabilities, New Leases And Modifications",
        "terseLabel": "New leases and modifications"
       }
      }
     },
     "localname": "LeaseLiabilitiesNewLeasesAndModifications",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeaseLiabilitiesRecognisedAsOfAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for lease liabilities assumed in a business combination.",
        "label": "Lease Liabilities Recognised As Of Acquisition Date",
        "negatedTerseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "LeaseLiabilitiesRecognisedAsOfAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeaseLiabilitiesRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 9.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lease Liabilities Recognised As Of Asset Acquisition Date",
        "label": "Lease Liabilities Recognised As Of Asset Acquisition Date",
        "negatedTerseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "LeaseLiabilitiesRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeaseLiabilitiesTransfersAndOtherMovements": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in lease liabilities due to transfer and other movements.",
        "label": "Lease Liabilities, Transfers And Other Movements",
        "terseLabel": "Re-classification and other"
       }
      }
     },
     "localname": "LeaseLiabilitiesTransfersAndOtherMovements",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LeratoLegongMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Lerato Legong, an officer of the entity.",
        "label": "Lerato Legong [Member]",
        "terseLabel": "Lerato Legong"
       }
      }
     },
     "localname": "LeratoLegongMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LiabilitiesFromShareBasedPaymentTransactionsCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 4.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of current liabilities arising from share-based payment transactions.",
        "label": "Liabilities From Share-Based Payment Transactions, Current",
        "negatedLabel": "Current portion of cash-settled share-based payment obligations",
        "terseLabel": "Cash-settled share-based payment obligations"
       }
      }
     },
     "localname": "LiabilitiesFromShareBasedPaymentTransactionsCurrent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LiabilitiesFromShareBasedPaymentTransactionsNoncurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 6.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of non-current liabilities arising from share-based payment transactions.",
        "label": "Liabilities from Share-Based Payment Transactions, Noncurrent",
        "terseLabel": "Cash-settled share-based payment obligations",
        "verboseLabel": "Non-current portion of cash-settled share-based payment obligations"
       }
      }
     },
     "localname": "LiabilitiesFromShareBasedPaymentTransactionsNoncurrent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LiabilityForShareBasedPaymentsDecreaseFromPaymentsMade": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of decrease in the liability for share-based payments resulting from payments made",
        "label": "Liability For Share-Based Payments Decrease From Payments Made",
        "negatedTerseLabel": "Cash settled share-based payments paid"
       }
      }
     },
     "localname": "LiabilityForShareBasedPaymentsDecreaseFromPaymentsMade",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LitigationSettlementTotalForAllParties": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount awarded to other party in settlement of litigation.",
        "label": "Litigation Settlement Total For All Parties",
        "terseLabel": "Total settlement amount"
       }
      }
     },
     "localname": "LitigationSettlementTotalForAllParties",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LondonInterbankOfferedRateLiborMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate Libor [Member]",
        "terseLabel": "LIBOR",
        "verboseLabel": "LIBOR"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLiborMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails",
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LongTermBasketPriceOfPlatinumMetalsPerOunce": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The long-term basket price of platinum metals used to determine fair value of assets acquired.",
        "label": "Long-term Basket Price Of Platinum Metals Per Ounce",
        "terseLabel": "PGM (4E) basket price (R/oz)",
        "verboseLabel": "Basket price per oz (USD/oz)"
       }
      }
     },
     "localname": "LongTermBasketPriceOfPlatinumMetalsPerOunce",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_LongTermBorrowingsWithExposureToInterestRateChanges": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of non-current borrowings with exposure to changes in interest rate.",
        "label": "Long Tern Borrowings With Exposure To Interest Rate Changes",
        "terseLabel": "Non-current borrowings exposed to interest rate changes"
       }
      }
     },
     "localname": "LongTermBorrowingsWithExposureToInterestRateChanges",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LongTermPGM4EBasketPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long-Term PGM (4E) Basket Price",
        "label": "Long-Term PGM (4E) Basket Price",
        "terseLabel": "Long-term PGM (4E) basket price"
       }
      }
     },
     "localname": "LongTermPGM4EBasketPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_LongTermPgm2eBasketPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long-term PGM 2E basket price used in calculation of impairment of goodwill (USD/2Eoz)",
        "label": "Long-term PGM 2E basket price",
        "terseLabel": "Average PGM (2E) basket price (in USD per ounce)"
       }
      }
     },
     "localname": "LongTermPgm2eBasketPrice",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_LongtermProvisionForRehabilitationCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the long-term provision for rehabilitation costs.",
        "label": "Longterm Provision For Rehabilitation Costs",
        "terseLabel": "Environmental rehabilitation obligation"
       }
      }
     },
     "localname": "LongtermProvisionForRehabilitationCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LonminCanadaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Lonmin Canada.",
        "label": "Lonmin Canada [Member]",
        "terseLabel": "Lonmin Canada"
       }
      }
     },
     "localname": "LonminCanadaMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LonplatsSiyakhulaEmployeeProfitShareTrustMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Siyakhula Employee Profit Share Trust.",
        "label": "Lonplats Siyakhula Employee Profit Share Trust [Member]",
        "terseLabel": "Lonplats Siyakhula Employee Profit Share Trust"
       }
      }
     },
     "localname": "LonplatsSiyakhulaEmployeeProfitShareTrustMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LossDueToDilutionOfInterestInJointOperation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 17.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 12.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of loss recognised during the period attributed to dilution of interest in joint operation.",
        "label": "Loss Due To Dilution Of Interest In Joint Operation",
        "negatedTerseLabel": "Loss due to dilution of interest in joint operation",
        "terseLabel": "Loss due to dilution of interest in joint operation",
        "verboseLabel": "Loss due to dilution of interest in joint operation"
       }
      }
     },
     "localname": "LossDueToDilutionOfInterestInJointOperation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LossGainOnRevisedFreeCashFlowEstimate": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of loss or gain on revised free cash flows estimate.",
        "label": "Loss (Gain) On Revised Free Cash Flow Estimate",
        "terseLabel": "Loss/(gain) on the revised cash flow of the Burnstone Debt",
        "verboseLabel": "Loss/(gain) on revised estimated cash flows"
       }
      }
     },
     "localname": "LossGainOnRevisedFreeCashFlowEstimate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LossOnConversionOfDebtToEquity": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 16.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 9.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 13.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of loss recognized during the period on the conversion of convertible debt to equity.",
        "label": "Loss On Conversion Of Debt To Equity",
        "negatedLabel": "Loss on settlement of US$ Convertible Bond",
        "terseLabel": "Loss on settlement of US$ Convertible Bond",
        "verboseLabel": "Loss on settlement of US$ Convertible Bond"
       }
      }
     },
     "localname": "LossOnConversionOfDebtToEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LossOnDeconsolidationOfSubsidiary": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 12.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 21.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loss On Deconsolidation Of Subsidiary",
        "label": "Loss On Deconsolidation Of Subsidiary",
        "terseLabel": "Loss on deconsolidation of subsidiaries"
       }
      }
     },
     "localname": "LossOnDeconsolidationOfSubsidiary",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails",
      "http://www.sibanyegold.co/role/EarningspershareDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LossOnDeconsolidationOfSubsidiaryNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loss On Deconsolidation Of Subsidiary, Net Of Tax",
        "label": "Loss On Deconsolidation Of Subsidiary, Net Of Tax",
        "terseLabel": "Loss on deconsolidation of subsidiaries, net of tax"
       }
      }
     },
     "localname": "LossOnDeconsolidationOfSubsidiaryNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LossOnSettlementOfContractLiability": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 13.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 13.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 12.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of loss recognised on the settlement of contract liability.",
        "label": "Loss On Settlement Of Contract Liability",
        "negatedLabel": "Loss on Bulk Tailings re-Treatment (BTT) early settlement",
        "verboseLabel": "Loss on BTT early settlement"
       }
      }
     },
     "localname": "LossOnSettlementOfContractLiability",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_LowestRangeOfProductDeliveryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the scenario in which the quantity of product delivered is in the lowest range.",
        "label": "Lowest Range Of Product Delivery [Member]",
        "terseLabel": "Lowest range of product delivery"
       }
      }
     },
     "localname": "LowestRangeOfProductDeliveryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_LuJiongjieMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lu Jiongjie",
        "label": "Lu Jiongjie [Member]",
        "terseLabel": "Lu Jiongjie"
       }
      }
     },
     "localname": "LuJiongjieMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarikanaCommunityTrustMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Marikana Community Trust.",
        "label": "Marikana Community Trust [Member]",
        "terseLabel": "Marikana Community Trust"
       }
      }
     },
     "localname": "MarikanaCommunityTrustMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarikanaOperationsSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Marikana operations segment.",
        "label": "Marikana Operations Segment [Member]",
        "terseLabel": "Marikana"
       }
      }
     },
     "localname": "MarikanaOperationsSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails",
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarikanaShareholdersMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Marikana Shareholders",
        "label": "Marikana Shareholders [Member]",
        "terseLabel": "Marikana Shareholders"
       }
      }
     },
     "localname": "MarikanaShareholdersMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarketForMineOutputSurfaceSourceMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to market for mine output which has surface source.",
        "label": "Market For Mine Output Surface Source [Member]",
        "terseLabel": "Surface"
       }
      }
     },
     "localname": "MarketForMineOutputSurfaceSourceMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarketForMineOutputUndergroundSourceMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to market for mine output which has underground source.",
        "label": "Market For Mine Output Underground Source [Member]",
        "terseLabel": "Underground"
       }
      }
     },
     "localname": "MarketForMineOutputUndergroundSourceMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarketForRecycledProductsIncludingProcessingMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Market For Recycled Products Including Processing",
        "label": "Market For Recycled Products Including Processing [Member]",
        "terseLabel": "Recycling/processing"
       }
      }
     },
     "localname": "MarketForRecycledProductsIncludingProcessingMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MarketForRecycledProductsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the market for recycled products.",
        "label": "Market For Recycled Products [Member]",
        "terseLabel": "Recycling"
       }
      }
     },
     "localname": "MarketForRecycledProductsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MaximumExpensePercentageLimit": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum expense percentage limit based on the expected discounted future cash flows of the expected PGM reserves and costs to extract the PGMs.",
        "label": "Maximum expense percentage limit",
        "terseLabel": "Percentage of expense restricted"
       }
      }
     },
     "localname": "MaximumExpensePercentageLimit",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_MaximumParticipationInBurnstoneFreeCashFlowByBankLenders": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum amount of participation by bank lenders per revenue participation agreement.",
        "label": "Maximum Participation In Burnstone Free Cash Flow By Bank Lenders",
        "terseLabel": "Maximum participation in Burnstone free cash flow after Burnstone Debt repaid in full"
       }
      }
     },
     "localname": "MaximumParticipationInBurnstoneFreeCashFlowByBankLenders",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_MiddleRangeOfProductDeliveryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the scenario in which the quantity of product delivered is in the middle range.",
        "label": "Middle Range Of Product Delivery [Member]",
        "terseLabel": "Middle range of product delivery"
       }
      }
     },
     "localname": "MiddleRangeOfProductDeliveryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MikaSeitovirtaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Mika Seitovirta",
        "label": "Mika Seitovirta [Member]",
        "terseLabel": "Mika Seitovirta"
       }
      }
     },
     "localname": "MikaSeitovirtaMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MimosaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to mimosa.",
        "label": "Mimosa [Member]",
        "terseLabel": "Mimosa"
       }
      }
     },
     "localname": "MimosaMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MimosaSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Mimosa segment.",
        "label": "Mimosa Segment [Member]",
        "terseLabel": "Mimosa"
       }
      }
     },
     "localname": "MimosaSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_MineContractsExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense incurred towards mine contracts.",
        "label": "Mine contracts expense",
        "negatedLabel": "Mine contracts"
       }
      }
     },
     "localname": "MineContractsExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_MineralResourceRoyaltiesAndCarbonTaxPaidClassifiedAsOperatingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of mineral resource royalties, classified as operating activities, that were paid during the period.",
        "label": "Mineral Resource Royalties And Carbon Tax Paid Classified As Operating Activities",
        "negatedLabel": "Royalties paid"
       }
      }
     },
     "localname": "MineralResourceRoyaltiesAndCarbonTaxPaidClassifiedAsOperatingActivities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_MiningTaxExpenseIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentTaxExpenseIncome",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of income taxes payable (recoverable) in respect of the mining taxable profit (tax loss) for a period.",
        "label": "Mining tax expense (income)",
        "negatedLabel": "Mining tax",
        "negatedTerseLabel": "Income tax"
       }
      }
     },
     "localname": "MiningTaxExpenseIncome",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_MovementInConsiderationTransferredDeferredPaymentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Movement in Consideration Transferred Deferred Payments [Abstract]",
        "terseLabel": "Deferred Payment and Deferred Consideration movement"
       }
      }
     },
     "localname": "MovementInConsiderationTransferredDeferredPaymentsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_MovementInDividendObligationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a",
        "label": "Movement In Dividend Obligation [Abstract]",
        "terseLabel": "Movement In Dividend Obligation [Abstract]"
       }
      }
     },
     "localname": "MovementInDividendObligationAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_NealFronemanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Neal Froneman.",
        "label": "Neal Froneman [Member]",
        "terseLabel": "Neal Froneman"
       }
      }
     },
     "localname": "NealFronemanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NetCashAndCashEquivalentsAcquired": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net Cash And Cash Equivalents Acquired",
        "label": "Net Cash And Cash Equivalents Acquired",
        "terseLabel": "Net cash acquired"
       }
      }
     },
     "localname": "NetCashAndCashEquivalentsAcquired",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetCashTransferred": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net Cash Transferred",
        "label": "Net Cash Transferred",
        "terseLabel": "Net cash transferred"
       }
      }
     },
     "localname": "NetCashTransferred",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetCashdebtExcludingBurnstone": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net (cash)/debt excluding Burnstone",
        "label": "Net (cash)/debt excluding Burnstone",
        "totalLabel": "Net (cash) debt"
       }
      }
     },
     "localname": "NetCashdebtExcludingBurnstone",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsCapitalmanagementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetDebtToEbitdaAboveThresholdMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to scenario where the net debt to EBITDA ratio is above the specified threshold.",
        "label": "Net Debt To Ebitda Above Threshold [Member]",
        "terseLabel": "Net Debt to EBITDA above threshold"
       }
      }
     },
     "localname": "NetDebtToEbitdaAboveThresholdMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NetDebtToEbitdaLessThanThresholdMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to scenario where the net debt to EBITDA ratio is below the specified threshold.",
        "label": "Net Debt To Ebitda Less Than Threshold [Member]",
        "terseLabel": "Net Debt to EBITDA less than threshold"
       }
      }
     },
     "localname": "NetDebtToEbitdaLessThanThresholdMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NetLossOnDeconsolidationOfSubsidiary": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 17.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 11.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net Loss On Deconsolidation Of Subsidiary",
        "label": "Net Loss On Deconsolidation Of Subsidiary",
        "negatedLabel": "Loss on deconsolidation of subsidiary",
        "terseLabel": "Loss on deconsolidation of subsidiary"
       }
      }
     },
     "localname": "NetLossOnDeconsolidationOfSubsidiary",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetOtherCashCostsAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 3.0,
       "parentTag": "sbsw_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortisation",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of net other cash costs used to determine adjusted EBITDA.",
        "label": "Net Other Cash Costs Adjustment",
        "negatedLabel": "Net other cash costs"
       }
      }
     },
     "localname": "NetOtherCashCostsAdjustment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetOtherCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The net amount of other costs consists of loss on financial instruments, loss on foreign exchange differences, other income and other costs and also includes includes the share of results of equity-accounted investees after tax as detailed in profit or loss.",
        "label": "Net Other Costs",
        "negatedLabel": "Net other"
       }
      }
     },
     "localname": "NetOtherCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetOtherNonTaxableIncomeAndNonDeductibleExpenditureTaxEffectOfRevenuesExemptFromTaxation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 14.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation net other non-taxable income and non-deductible expenditure.",
        "label": "Net other non-taxable income and non-deductible expenditure, tax effect of revenues exempt from taxation",
        "terseLabel": "Net other non-taxable income and non-deductible expenditure"
       }
      }
     },
     "localname": "NetOtherNonTaxableIncomeAndNonDeductibleExpenditureTaxEffectOfRevenuesExemptFromTaxation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetRoyaltyExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net Royalty Expense",
        "label": "Net Royalty Expense",
        "negatedLabel": "Royalties",
        "negatedTotalLabel": "Total royalties",
        "terseLabel": "Net Royalty Expense"
       }
      }
     },
     "localname": "NetRoyaltyExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NetTaxAndRoyalties": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of net tax, carbon tax and royalty payable or receivable.",
        "label": "Net Tax and Royalties",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at beginning of the year",
        "totalLabel": "Net tax, carbon tax and royalties (receivable)/payable"
       }
      }
     },
     "localname": "NetTaxAndRoyalties",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NewCenturyResourcesLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "New Century Resources Limited",
        "label": "New Century Resources Limited [Member]",
        "terseLabel": "New Century Resources Limited"
       }
      }
     },
     "localname": "NewCenturyResourcesLimitedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_Newshelf1114SubsidiaryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the entity's interest in Newshelf 1114.",
        "label": "Newshelf1114 Subsidiary [Member]",
        "terseLabel": "Newshelf 1114"
       }
      }
     },
     "localname": "Newshelf1114SubsidiaryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_Newshelf1335ProprietaryLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to Newshelf 1335 Proprietary Limited.",
        "label": "Newshelf1335 Proprietary Limited [Member]",
        "terseLabel": "Newshelf 1335 Proprietary Limited"
       }
      }
     },
     "localname": "Newshelf1335ProprietaryLimitedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NickelMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Nickel Mining Activities",
        "label": "Nickel Mining Activities [Member]",
        "terseLabel": "Nickel"
       }
      }
     },
     "localname": "NickelMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NickelMiningActivitiesNickelMetalMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Nickel Mining Activities, Nickel Metal",
        "label": "Nickel Mining Activities, Nickel Metal [Member]",
        "terseLabel": "Nickel metal"
       }
      }
     },
     "localname": "NickelMiningActivitiesNickelMetalMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NickelMiningActivitiesNickelSaltsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Nickel Mining Activities, Nickel Salts",
        "label": "Nickel Mining Activities, Nickel Salts [Member]",
        "terseLabel": "Nickel salts"
       }
      }
     },
     "localname": "NickelMiningActivitiesNickelSaltsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NkosemntuNikaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Nkosemntu Nika.",
        "label": "Nkosemntu Nika [Member]",
        "terseLabel": "Nkosemntu Nika"
       }
      }
     },
     "localname": "NkosemntuNikaMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NominalAmountOfHedgingInstrumentPerInstallment": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The nominal amount of a hedging instrument per installment or delivery.",
        "label": "Nominal Amount Of Hedging Instrument Per Installment",
        "verboseLabel": "Quantity per month"
       }
      }
     },
     "localname": "NominalAmountOfHedgingInstrumentPerInstallment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_NonBankBorrowingsUndiscountedCashFlows": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to borrowings other than bank borrowings.",
        "label": "Non-bank Borrowings Undiscounted Cash Flows",
        "terseLabel": "Non-bank borrowings"
       }
      }
     },
     "localname": "NonBankBorrowingsUndiscountedCashFlows",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonControllingInterestInAcquireeRecognisedAtAssetAcquisitionDate": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non Controlling Interest In Acquiree Recognised At Asset Acquisition Date",
        "label": "Non Controlling Interest In Acquiree Recognised At Asset Acquisition Date",
        "terseLabel": "NCI recognised (69.7%)"
       }
      }
     },
     "localname": "NonControllingInterestInAcquireeRecognisedAtAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonControllingInterestsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Abstract",
        "label": "Non-Controlling Interests [Abstract]",
        "terseLabel": "NON-CONTROLLING INTERESTS"
       }
      }
     },
     "localname": "NonControllingInterestsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_NonCurrentProvisionForDecommissioningRestorationAndRehabilitationCostsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non-current provision for decommissioning, restoration and rehabilitation costs",
        "label": "Non-current provision for decommissioning, restoration and rehabilitation costs [Abstract]",
        "terseLabel": "Environmental rehabilitation obligation and other provisions consists of:"
       }
      }
     },
     "localname": "NonCurrentProvisionForDecommissioningRestorationAndRehabilitationCostsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_NonExecutiveDirectorsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to non-executive directors.",
        "label": "Non Executive Directors [Member]",
        "terseLabel": "Non-executive directors"
       }
      }
     },
     "localname": "NonExecutiveDirectorsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_NonIfrsMeasureEffectOfAdjustmentsToNetEarningsOnNonControllingInterest": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 18.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In calculating the non-IFRS measure, the amount of effect on non-controlling interest of adjustments to net earnings.",
        "label": "Non-IFRS Measure, Effect Of Adjustments To Net Earnings On Non-controlling Interest",
        "terseLabel": "NCI effect of the items listed above"
       }
      }
     },
     "localname": "NonIfrsMeasureEffectOfAdjustmentsToNetEarningsOnNonControllingInterest",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonMiningRoyaltyCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of non-mining royalty costs incurred during the period.",
        "label": "Non-Mining Royalty Costs",
        "negatedLabel": "Non-mining royalties"
       }
      }
     },
     "localname": "NonMiningRoyaltyCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonMiningTaxExpenseIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_CurrentTaxExpenseIncome",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of income taxes payable (recoverable) in respect of the non-mining taxable profit (tax loss) for a period in a mining company.",
        "label": "Non-mining tax expense (income)",
        "negatedLabel": "Non-mining tax"
       }
      }
     },
     "localname": "NonMiningTaxExpenseIncome",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonRecurringCostsOfUnusualEvents": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of non-recurring costs of unusual events.",
        "label": "Non-Recurring Costs Of Unusual Events",
        "negatedLabel": "Non-recurring COVID-19 costs"
       }
      }
     },
     "localname": "NonRecurringCostsOfUnusualEvents",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonTaxableGainNonDeductibleLossOnFairValueOfFinancialInstruments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-taxable gain/(non-deductible loss) on fair value of financial instruments.",
        "label": "Non-taxable Gain Non-Deductible Loss On Fair Value Of Financial Instruments",
        "terseLabel": "Non-deductible loss on fair value of financial instruments"
       }
      }
     },
     "localname": "NonTaxableGainNonDeductibleLossOnFairValueOfFinancialInstruments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonTaxableShareOfResultsOfEquityAccountedInvesteesTaxEffectOfRevenuesExemptFromTaxation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation non-taxable share of results of equity-accounted investees.",
        "label": "Non-taxable share of results of equity-accounted investees, tax effect of revenues exempt from taxation",
        "terseLabel": "Non-taxable share of results of equity-accounted investees"
       }
      }
     },
     "localname": "NonTaxableShareOfResultsOfEquityAccountedInvesteesTaxEffectOfRevenuesExemptFromTaxation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NonUnderlyingItems": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of non-underlying items consists of impairments, occupational healthcare expense, gain on disposal of property, plant and equipment, restructuring costs and transaction costs as detailed in profit or loss.",
        "label": "Non-underlying Items",
        "negatedLabel": "Non-underlying items"
       }
      }
     },
     "localname": "NonUnderlyingItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NoncurrentAssetsRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 7.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Noncurrent Assets Recognised As Of Asset Acquisition Date",
        "label": "Noncurrent Assets Recognised As Of Asset Acquisition Date",
        "terseLabel": "Other receivables \u2014 non-current"
       }
      }
     },
     "localname": "NoncurrentAssetsRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NoncurrentFinancialLiabilitiesExcludingTradeAndOtherPayablesAndProvisions": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of noncurrent financial liabilities excluding trade and other payables and provisions at balance sheet date.",
        "label": "Noncurrent Financial Liabilities Excluding Trade And Other Payables And Provisions",
        "negatedLabel": "Non-current financial liabilities"
       }
      }
     },
     "localname": "NoncurrentFinancialLiabilitiesExcludingTradeAndOtherPayablesAndProvisions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NoncurrentLiabilitiesRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 3.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Noncurrent Liabilities Recognised As Of Asset Acquisition Date",
        "label": "Noncurrent Liabilities Recognised As Of Asset Acquisition Date",
        "negatedTerseLabel": "Other payables \u2014 non-current"
       }
      }
     },
     "localname": "NoncurrentLiabilitiesRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NormalisedEarnings": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Normalised earnings is defined as earnings attributable to the owners excluding gains and losses on financial instruments and foreign exchange differences, impairments, gain on disposal of property, plant and equipment, occupational healthcare expense, restructuring costs, transactions costs, share-based payment on BEE transaction, gain on acquisition, other business development costs, share of results of equity-accounted investees, after tax, and changes in estimated deferred tax rate.",
        "label": "Normalised Earnings",
        "totalLabel": "Normalised earnings"
       }
      }
     },
     "localname": "NormalisedEarnings",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_NumberOfCommittedSharesRequiredForOneMSU": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Committed Shares Required For One MSU",
        "label": "Number Of Committed Shares Required For One MSU",
        "terseLabel": "Committed shares for 1 MSU"
       }
      }
     },
     "localname": "NumberOfCommittedSharesRequiredForOneMSU",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_NumberOfComponentsBonds": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Components, Bonds",
        "label": "Number Of Components, Bonds",
        "terseLabel": "Number of components"
       }
      }
     },
     "localname": "NumberOfComponentsBonds",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfConcentratingPlants": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Concentrating Plants",
        "label": "Number of Concentrating Plants",
        "terseLabel": "Number of concentrating plants"
       }
      }
     },
     "localname": "NumberOfConcentratingPlants",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfConcentratorsOnSite": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Concentrators On Site",
        "label": "Number Of Concentrators On Site",
        "terseLabel": "Number of concentrators on site"
       }
      }
     },
     "localname": "NumberOfConcentratorsOnSite",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfContractualOuncesOfProductDelivered": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of contractual ounces of product delivered, which is a factor in determination of the entitlement percentage.",
        "label": "Number Of Contractual Ounces Of Product Delivered",
        "terseLabel": "Number of ounces delivered (in oz)"
       }
      }
     },
     "localname": "NumberOfContractualOuncesOfProductDelivered",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "massItemType"
    },
    "sbsw_NumberOfDRSharesOutstandingKeyManagementPersonnel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of ADR shares that have been authorised and issued to key management personnel.",
        "label": "Number Of A D R Shares Outstanding Key Management Personnel",
        "terseLabel": "ADR shares held (in shares)"
       }
      }
     },
     "localname": "NumberOfDRSharesOutstandingKeyManagementPersonnel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_NumberOfEstablishedShaftComplexes": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Established Shaft Complexes",
        "label": "Number of Established Shaft Complexes",
        "terseLabel": "Number of established shaft complexes"
       }
      }
     },
     "localname": "NumberOfEstablishedShaftComplexes",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfFacilitiesConsistingOfMineShaftAndConcentrator": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of facilities in operation during the period which consist of a mine shaft and concentrator.",
        "label": "Number Of Facilities Consisting Of Mine Shaft And Concentrator",
        "terseLabel": "Number of shafts and concentrators"
       }
      }
     },
     "localname": "NumberOfFacilitiesConsistingOfMineShaftAndConcentrator",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfForfeitableShareTranches": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the number of forfeitable share tranches.",
        "label": "Number of Forfeitable Share Tranches",
        "terseLabel": "Number of forfeitable share tranches"
       }
      }
     },
     "localname": "NumberOfForfeitableShareTranches",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfJointOperations": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Joint Operations",
        "label": "Number Of Joint Operations",
        "terseLabel": "Number of joint operations"
       }
      }
     },
     "localname": "NumberOfJointOperations",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InterestsinjointoperationsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfMethodsOfParticipation": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of methods of participation under SGL share plan.",
        "label": "Number of methods of participation",
        "terseLabel": "Number of methods of participation"
       }
      }
     },
     "localname": "NumberOfMethodsOfParticipation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfMiningTailingDams": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Mining Tailing Dams",
        "label": "Number of Mining Tailing Dams",
        "terseLabel": "Number of mining tailing dams"
       }
      }
     },
     "localname": "NumberOfMiningTailingDams",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfOperatingDeclineShafts": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Operating Decline Shafts",
        "label": "Number of Operating Decline Shafts",
        "terseLabel": "Number of operating decline shafts"
       }
      }
     },
     "localname": "NumberOfOperatingDeclineShafts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfOperatingVerticalShafts": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Operating Vertical Shafts",
        "label": "Number of Operating Vertical Shafts",
        "terseLabel": "Number of operating vertical shafts"
       }
      }
     },
     "localname": "NumberOfOperatingVerticalShafts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfPeerGroupCompanies": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of peer-group companies.",
        "label": "Number of peer-group companies",
        "terseLabel": "Number of peer-group companies"
       }
      }
     },
     "localname": "NumberOfPeerGroupCompanies",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfPerformanceCriteria": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of performance criteria.",
        "label": "Number of performance criteria",
        "terseLabel": "Number of performance criteria"
       }
      }
     },
     "localname": "NumberOfPerformanceCriteria",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfRegions": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the number of regions in which the entity operates.",
        "label": "Number of Regions",
        "terseLabel": "Number of regions"
       }
      }
     },
     "localname": "NumberOfRegions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_NumberOfSharesOutstandingKeyManagementPersonnel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares that have been authorised and issued to key management personnel, reduced by treasury shares held.",
        "label": "Number Of Shares Outstanding, Key Management Personnel",
        "verboseLabel": "Number of shares (in shares)"
       }
      }
     },
     "localname": "NumberOfSharesOutstandingKeyManagementPersonnel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_NumberOfTranches": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Tranches",
        "label": "Number of Tranches",
        "terseLabel": "Number of tranches"
       }
      }
     },
     "localname": "NumberOfTranches",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sbsw_OccupationalHealthcareObligationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for occupational healthcare obligation.",
        "label": "Occupational Healthcare Obligation [Member]",
        "terseLabel": "Occupational healthcare obligation"
       }
      }
     },
     "localname": "OccupationalHealthcareObligationMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OreReserveDevelopmentCostsCapitalised": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of ore reserve development costs that has been capitalised, rather than expensed.",
        "label": "Ore reserve development costs capitalised",
        "terseLabel": "Ore reserve development costs capitalised"
       }
      }
     },
     "localname": "OreReserveDevelopmentCostsCapitalised",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CostofsalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_OtherBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to Other borrowings.",
        "label": "Other Borrowings [Member]",
        "terseLabel": "Other borrowings"
       }
      }
     },
     "localname": "OtherBorrowingsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsOtherborrowingsDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OtherCostsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Other costs [Abstract]",
        "terseLabel": "OTHER COSTS"
       }
      }
     },
     "localname": "OtherCostsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_OtherGuaranteeCommitments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of other commitments for which the entity has made a guarantee.",
        "label": "Other Guarantee Commitments",
        "terseLabel": "Other guarantees"
       }
      }
     },
     "localname": "OtherGuaranteeCommitments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_OtherInstrumentMemberMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Other instruments.",
        "label": "Other Instrument Member [Member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherInstrumentMemberMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OtherInvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to unspecified investments in equity instruments measured at fair value through other comprehensive income.",
        "label": "Other Investments In Equity Instruments Measured At Fair Value Through Other Comprehensive Income [Member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherInvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OtherInvestmentsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for other investment.",
        "label": "Other Investments [Member]",
        "netLabel": "Other",
        "terseLabel": "Other investments",
        "verboseLabel": "Fair value gain on other investments"
       }
      }
     },
     "localname": "OtherInvestmentsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OtherPayablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Other Payables [Abstract]",
        "terseLabel": "Other Payables [Abstract]"
       }
      }
     },
     "localname": "OtherPayablesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_OtherProductOrServiceMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to other product or service.",
        "label": "Other Product Or Service [Member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherProductOrServiceMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OtherReceivablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Other Receivables [Abstract]",
        "terseLabel": "Other Receivables"
       }
      }
     },
     "localname": "OtherReceivablesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_OtherReceivablesAndOtherPayablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available",
        "label": "Other receivables and other payables [Abstract]",
        "terseLabel": "OTHER RECEIVABLES AND OTHER PAYABLES"
       }
      }
     },
     "localname": "OtherReceivablesAndOtherPayablesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_OtherSpecificPayablesCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 8.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other identified payables classified as current.",
        "label": "Other Specific Payables Current",
        "negatedLabel": "Current portion of other payables",
        "terseLabel": "Other payables"
       }
      }
     },
     "localname": "OtherSpecificPayablesCurrent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_OtherThanGoldAndPgmMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to products and services other than gold and PGM mining.",
        "label": "Other Than Gold And Pgm Mining Activities [Member]",
        "terseLabel": "Other trade receivables"
       }
      }
     },
     "localname": "OtherThanGoldAndPgmMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_OtherUnspecifiedCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 10.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of other miscellaneous costs incurred during the period.",
        "label": "Other Unspecified Costs",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "OtherUnspecifiedCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_OtherVariousPayables": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents other uncategorized payables.",
        "label": "Other Various Payables",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherVariousPayables",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_OtherVariousReceivables": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails_1": {
       "order": 5.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents other uncategorized receivables.",
        "label": "Other Various Receivables",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherVariousReceivables",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PalladiumHedgeContractMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Palladium Hedge Contract",
        "label": "Palladium Hedge Contract [Member]",
        "terseLabel": "Palladium hedge contract"
       }
      }
     },
     "localname": "PalladiumHedgeContractMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PalladiumMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to palladium mining activities.",
        "label": "Palladium Mining Activities [Member]",
        "terseLabel": "Palladium"
       }
      }
     },
     "localname": "PalladiumMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementCommoditypricesensitivityandhedgingDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PandoraAcquisitionByLonminMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the Pandora acquisition by Lonmin before Lonmin was acquired by the entity.",
        "label": "Pandora Acquisition By Lonmin [Member]",
        "terseLabel": "Pandora acquisition by Lonmin"
       }
      }
     },
     "localname": "PandoraAcquisitionByLonminMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PayablesToDissentingShareholders": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "localname": "PayablesToDissentingShareholders",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails_1": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment Of Contingent Consideration And Deferred Liabilities Related To Acquisition",
        "label": "Payment Of Contingent Consideration And Deferred Liabilities Related To Acquisition",
        "negatedTotalLabel": "Total cash payments made"
       }
      }
     },
     "localname": "PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfContingentConsiderationRelatedToAcquisition": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails_1": {
       "order": 2.0,
       "parentTag": "sbsw_PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment Of Contingent Consideration Related To Acquisition",
        "label": "Payment Of Contingent Consideration Related To Acquisition",
        "negatedTerseLabel": "Contingent consideration (related to SFA (Oxford) acquisition)"
       }
      }
     },
     "localname": "PaymentOfContingentConsiderationRelatedToAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfDeferredLiabilityRelatedToAcquisition": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 6.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails": {
       "order": 2.0,
       "parentTag": "sbsw_PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition",
       "weight": 1.0
      },
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails_1": {
       "order": 1.0,
       "parentTag": "sbsw_PaymentOfContingentConsiderationAndDeferredLiabilitiesRelatedToAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of payment of deferred liability arising from acquisition.",
        "label": "Payment Of Deferred Liability Related To Acquisition",
        "negatedLabel": "Payment of deferred/contingent payment",
        "negatedTerseLabel": "Payment made",
        "negatedTotalLabel": "Payments up to initial fair value (investing cash flows)"
       }
      }
     },
     "localname": "PaymentOfDeferredLiabilityRelatedToAcquisition",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfDeferredLiabilityRelatedToDividends": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment Of Deferred Liability Related To Dividends",
        "label": "Payment Of Deferred Liability Related To Dividends",
        "negatedTerseLabel": "Payments made"
       }
      }
     },
     "localname": "PaymentOfDeferredLiabilityRelatedToDividends",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfDividendObligation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 7.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment Of Dividend Obligation",
        "label": "Payment Of Dividend Obligation",
        "negatedLabel": "Payment of Marikana dividend obligation"
       }
      }
     },
     "localname": "PaymentOfDividendObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfEnterpriseDevelopmentFundContributions": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 14.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment Of Enterprise Development Fund Contributions",
        "label": "Payment Of Enterprise Development Fund Contributions",
        "negatedLabel": "Contributions to enterprise development fund"
       }
      }
     },
     "localname": "PaymentOfEnterpriseDevelopmentFundContributions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentOfTaxesAndRoyalties": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of cash outflow arising from the payment of tax and royalties.",
        "label": "Payment of Taxes and Royalties",
        "negatedLabel": "Royalties, carbon tax and tax paid"
       }
      }
     },
     "localname": "PaymentOfTaxesAndRoyalties",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentsForOccupationalHealthcareObligation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 15.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payments for occupational healthcare obligation",
        "label": "Payments for occupational healthcare obligation",
        "negatedLabel": "Payment of occupational healthcare liability"
       }
      }
     },
     "localname": "PaymentsForOccupationalHealthcareObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PaymentsMadeRehabilitationObligationFund": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents payments made from the rehabilitation obligation fund.",
        "label": "Payments Made Rehabilitation Obligation Fund",
        "negatedLabel": "Payments received"
       }
      }
     },
     "localname": "PaymentsMadeRehabilitationObligationFund",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PercentOfBonusPaidInShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The portion of the annual bonus that is paid in shares, as opposed to cash.",
        "label": "Percent Of Bonus Paid In Shares",
        "terseLabel": "Percent of bonus paid in shares"
       }
      }
     },
     "localname": "PercentOfBonusPaidInShares",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentOfProductionCoveredByStreamingAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percent of production that is covered by the streaming agreement.",
        "label": "Percent Of Production Covered By Streaming Agreement",
        "terseLabel": "Percent of production covered by agreement",
        "verboseLabel": "Entitlement percentage"
       }
      }
     },
     "localname": "PercentOfProductionCoveredByStreamingAgreement",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfActualAnnualCashBonus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of actual annual cash bonus, which affects the face value of the forfeitable share award.",
        "label": "Percentage of Actual Annual Cash Bonus",
        "terseLabel": "Percentage of actual annual cash bonus"
       }
      }
     },
     "localname": "PercentageOfActualAnnualCashBonus",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfBurnstoneFreeCashFlowParticipationByBankLendersAfterBurnstoneDebtRepaidInFull": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of Burnstone free cash flow in participation by bank lenders after Burnstone Debt is paid in full.",
        "label": "Percentage Of Burnstone Free Cash Flow Participation By Bank Lenders After Burnstone Debt Repaid In Full",
        "terseLabel": "Bank Lenders participation in Burnstone free cash flow after Burnstone Debt repaid in full"
       }
      }
     },
     "localname": "PercentageOfBurnstoneFreeCashFlowParticipationByBankLendersAfterBurnstoneDebtRepaidInFull",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfBurnstoneFreeCashFlowUsedToPayWitsGoldLoan": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of Burnstone free cash flow to be used to repay the Wits Gold loan.",
        "label": "Percentage Of Burnstone Free Cash Flow Used To Pay Wits Gold Loan",
        "terseLabel": "Free cash flow used to repay Wits Gold Loan (as a percent)"
       }
      }
     },
     "localname": "PercentageOfBurnstoneFreeCashFlowUsedToPayWitsGoldLoan",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfBurnstoneFreeCashFlowUsedToRepayBurnstoneDebt": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of Burnstone free cash flow to be used to repay the Burnstone Debt.",
        "label": "Percentage Of Burnstone Free Cash Flow Used To Repay Burnstone Debt",
        "terseLabel": "Free cash flow used to repay Burnstone Debt (as a percent)"
       }
      }
     },
     "localname": "PercentageOfBurnstoneFreeCashFlowUsedToRepayBurnstoneDebt",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfBurnstoneFreeCashFlowUsedToRepayBurnstoneDebtAfterSettlementOfWitsGoldLoan": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of Burnstone free cash flow to be used to repay Burnstone Debt after settlement of Wits Gold loan.",
        "label": "Percentage Of Burnstone Free Cash Flow Used To Repay Burnstone Debt After Settlement Of Wits Gold Loan",
        "terseLabel": "Free cash flow used to repay Burnstone Debt after settlement of Wits Gold Loan (as a percent)"
       }
      }
     },
     "localname": "PercentageOfBurnstoneFreeCashFlowUsedToRepayBurnstoneDebtAfterSettlementOfWitsGoldLoan",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBurnstoneDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfDividendsNormalisedEarnings": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of dividends declared by the entity on normalised earnings.",
        "label": "Percentage of Dividends, Normalised Earnings",
        "terseLabel": "Percentage of normalised earnings"
       }
      }
     },
     "localname": "PercentageOfDividendsNormalisedEarnings",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsAccountingPolicyDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfEnvironmentalSocialAndGovernanceWeighting": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of Environmental, Social and Governance Weighting",
        "label": "Percentage of Environmental, Social and Governance Weighting",
        "terseLabel": "GSR Weighting percentage"
       }
      }
     },
     "localname": "PercentageOfEnvironmentalSocialAndGovernanceWeighting",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfForfeitureAtBoardsSoleDiscretion": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of maximum forfeiture at boards sole discretion, if it determines that there is evidence of extreme environmental, social and governance (ESG) malpractice during the Vesting Period.",
        "label": "Percentage of forfeiture at boards sole discretion",
        "terseLabel": "Forfeiture percentage"
       }
      }
     },
     "localname": "PercentageOfForfeitureAtBoardsSoleDiscretion",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfMaximumInvestmentOfFinancialInstitutionsEquity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum investment percentage of financial institutions' equity.",
        "label": "Percentage of maximum investment of financial institutions' equity",
        "terseLabel": "Maximum investment percent"
       }
      }
     },
     "localname": "PercentageOfMaximumInvestmentOfFinancialInstitutionsEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfMaximumRoyaltyIntroducedOnRefinedMinerals": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum royalty percentage of mining revenue introduced on refined minerals",
        "label": "Percentage of maximum royalty introduced on refined minerals",
        "terseLabel": "Maximum royalty percentage introduced on refined minerals"
       }
      }
     },
     "localname": "PercentageOfMaximumRoyaltyIntroducedOnRefinedMinerals",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfMaximumRoyaltyIntroducedOnUnrefinedMinerals": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum royalty percentage of mining revenue introduced on unrefined minerals.",
        "label": "Percentage Of Maximum Royalty Introduced On Unrefined Minerals",
        "terseLabel": "Maximum royalty percentage introduced on unrefined minerals"
       }
      }
     },
     "localname": "PercentageOfMaximumRoyaltyIntroducedOnUnrefinedMinerals",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfPaymentDeclaredAsDividend": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of post payment of the annual Deferred Payment declared as a dividend.",
        "label": "Percentage of payment declared as dividend",
        "terseLabel": "Post payment declared as a dividend (as a percent)"
       }
      }
     },
     "localname": "PercentageOfPaymentDeclaredAsDividend",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfPaymentDeclaredAsDividendAfterRepayment": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of post payment of the annual Deferred Payment declared as a dividend after repayment of the facility.",
        "label": "Percentage of payment declared as dividend after repayment",
        "terseLabel": "Post payment declared as a dividend after repayment (as a percent)"
       }
      }
     },
     "localname": "PercentageOfPaymentDeclaredAsDividendAfterRepayment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfPaymentOrDistribution": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of post payment of the annual Deferred Payment and also in respect of any repayment to shareholder loans or the distribution of dividends.",
        "label": "Percentage of payment or distribution",
        "terseLabel": "Percentage of payment or distribution"
       }
      }
     },
     "localname": "PercentageOfPaymentOrDistribution",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfPaymentUsedToServiceFacility": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of post payment of the annual Deferred Payment used to service the facility.",
        "label": "Percentage of payment used to service the facility",
        "terseLabel": "Post payment used to service the facility (as a percent)"
       }
      }
     },
     "localname": "PercentageOfPaymentUsedToServiceFacility",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfReasonablyPossibleDecreaseInRiskAssumption": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The reasonably possible percentage of the decrease in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.",
        "label": "Percentage Of Reasonably Possible Decrease In Risk Assumption",
        "terseLabel": "Percentage decrease in risk assumption"
       }
      }
     },
     "localname": "PercentageOfReasonablyPossibleDecreaseInRiskAssumption",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfReasonablyPossibleIncreaseInRiskAssumption": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The reasonably possible percentage of the increase in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.",
        "label": "Percentage Of Reasonably Possible Increase In Risk Assumption",
        "terseLabel": "Percentage increase in risk assumption"
       }
      }
     },
     "localname": "PercentageOfReasonablyPossibleIncreaseInRiskAssumption",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfReturnOnCapitalEmployedWeighting": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Return on capital employed weighting percentage for allocation of share based awards.",
        "label": "Percentage of return on capital employed weighting",
        "terseLabel": "ROCE Weighting percentage"
       }
      }
     },
     "localname": "PercentageOfReturnOnCapitalEmployedWeighting",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PercentageOfTotalShareholderReturnWeighting": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total shareholder return weighting percentage for allocation of share based awards.",
        "label": "Percentage of total shareholder return weighting",
        "terseLabel": "TSR Weighting percentage"
       }
      }
     },
     "localname": "PercentageOfTotalShareholderReturnWeighting",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PeregrineMetalsLtd.Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to a joint venture involving Peregrine Metals Ltd., a wholly-owned subsidiary of Stillwater Canada.",
        "label": "Peregrine Metals Ltd. [Member]",
        "terseLabel": "Peregrine Metals Ltd."
       }
      }
     },
     "localname": "PeregrineMetalsLtd.Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PerformanceConditionsAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance Conditions",
        "label": "Performance Conditions [Axis]",
        "terseLabel": "Performance conditions [Axis]"
       }
      }
     },
     "localname": "PerformanceConditionsAxis",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_PerformanceConditionsDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance Conditions [Domain]",
        "label": "Performance Conditions [Domain]",
        "terseLabel": "Performance conditions [Domain]"
       }
      }
     },
     "localname": "PerformanceConditionsDomain",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PerformancePeriodOfShareBasedAwards": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance period of share-based awards.",
        "label": "Performance period of share-based awards",
        "terseLabel": "Performance period"
       }
      }
     },
     "localname": "PerformancePeriodOfShareBasedAwards",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_PeriodBetweenProvisionalInvoicingAndFinalPricing": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the period between provisional invoicing and final pricing.",
        "label": "Period Between Provisional Invoicing And Final Pricing",
        "terseLabel": "Period between provisional invoicing and final pricing"
       }
      }
     },
     "localname": "PeriodBetweenProvisionalInvoicingAndFinalPricing",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_PeriodOfAdditionalInvestment": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The period after the initial earn-in during which additional expenditure by the counterparty may earn an additional ownership interest",
        "label": "Period Of Additional Investment",
        "terseLabel": "Additional earn-in period"
       }
      }
     },
     "localname": "PeriodOfAdditionalInvestment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_PgmConcentrateMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to PGM sales in the form of concentrate.",
        "label": "Pgm Concentrate [Member]",
        "terseLabel": "PGM sales concentrate"
       }
      }
     },
     "localname": "PgmConcentrateMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesImpairmentallowanceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PgmMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to platinum group metals (PGM) mining activities, which produce platinum, palladium and rhodium.",
        "label": "Pgm Mining Activities [Member]",
        "terseLabel": "PGMs",
        "verboseLabel": "PGM mining activities"
       }
      }
     },
     "localname": "PgmMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PgmOtherMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to PGM sales in forms other than concentrate.",
        "label": "Pgm Other [Member]",
        "terseLabel": "PGM sales other"
       }
      }
     },
     "localname": "PgmOtherMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherreceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PhembaniGroupMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Phembani Group.",
        "label": "Phembani Group [Member]",
        "terseLabel": "Phembani Group"
       }
      }
     },
     "localname": "PhembaniGroupMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PlatinumDivisionSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Platinum division segment.",
        "label": "Platinum Division Segment [Member]",
        "terseLabel": "SA PGM operations"
       }
      }
     },
     "localname": "PlatinumDivisionSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RestructuringcostsDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PlatinumMileSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Platinum Mile segment.",
        "label": "Platinum Mile Segment [Member]",
        "terseLabel": "Platinum Mile"
       }
      }
     },
     "localname": "PlatinumMileSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PlatinumMileSubsidiaryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Platinum Mile subsidiary.",
        "label": "Platinum Mile Subsidiary [Member]",
        "terseLabel": "NCI of Platinum Mile",
        "verboseLabel": "Platinum Mile"
       }
      }
     },
     "localname": "PlatinumMileSubsidiaryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PlatinumMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to platinum mining activities.",
        "label": "Platinum Mining Activities [Member]",
        "terseLabel": "Platinum"
       }
      }
     },
     "localname": "PlatinumMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_PortionOfDividendsReceivedUsedToFundDividendsPaidOut": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The portion of dividends received that is used to fund dividends paid.",
        "label": "Portion Of Dividends Received Used To Fund Dividends Paid Out",
        "terseLabel": "Dividend funding, as a percent"
       }
      }
     },
     "localname": "PortionOfDividendsReceivedUsedToFundDividendsPaidOut",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_PortionOfRehabilitationObligationFundAssetsHeldAsFunds": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the portion of the rehabilitation obligation funds that are held in the form of funds (including money market accounts and equity-linked investments).",
        "label": "Portion Of Rehabilitation Obligation Fund Assets Held As Funds",
        "terseLabel": "Funds"
       }
      }
     },
     "localname": "PortionOfRehabilitationObligationFundAssetsHeldAsFunds",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PortionOfRehabilitationObligationFundAssetsHeldAsRestrictedCash": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the portion of the rehabilitation obligation funds that are held in the form of restricted cash.",
        "label": "Portion Of Rehabilitation Obligation Fund Assets Held As Restricted Cash",
        "terseLabel": "Restricted funds"
       }
      }
     },
     "localname": "PortionOfRehabilitationObligationFundAssetsHeldAsRestrictedCash",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PostRetirementHealthCarePayments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflows related to post-retirement health care payments.",
        "label": "Post-Retirement Health Care Payments",
        "negatedLabel": "Post-retirement health care payments"
       }
      }
     },
     "localname": "PostRetirementHealthCarePayments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofcashflows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PotentialOwnershipInSubsidiary": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The potential ownership in the subsidiary, as a percent, if options to subscribe to ordinary shares are effected.",
        "label": "Potential Ownership In Subsidiary",
        "terseLabel": "Potential ownership, as a percent"
       }
      }
     },
     "localname": "PotentialOwnershipInSubsidiary",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ProductionCapacityCobaltChloride": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Production Capacity, Cobalt Chloride",
        "label": "Production Capacity, Cobalt Chloride",
        "terseLabel": "Production capacity - cobalt chloride"
       }
      }
     },
     "localname": "ProductionCapacityCobaltChloride",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "weightItemType"
    },
    "sbsw_ProductionCapacityNickelMetal": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Production Capacity, Nickel Metal",
        "label": "Production Capacity, Nickel Metal",
        "terseLabel": "Production capacity - nickel metal"
       }
      }
     },
     "localname": "ProductionCapacityNickelMetal",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "weightItemType"
    },
    "sbsw_ProductionCapacityNickelSaltsAndSolutions": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Production Capacity, Nickel Salts And Solutions",
        "label": "Production Capacity, Nickel Salts And Solutions",
        "terseLabel": "Production capacity - nickel salts and solutions"
       }
      }
     },
     "localname": "ProductionCapacityNickelSaltsAndSolutions",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails"
     ],
     "xbrltype": "weightItemType"
    },
    "sbsw_ProfitLossBeforeInterestRoyaltiesAndTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The profit before interest, royalties and tax.",
        "label": "Profit Loss Before Interest Royalties And Tax",
        "terseLabel": "Profit before interest, royalties, carbon tax and tax"
       }
      }
     },
     "localname": "ProfitLossBeforeInterestRoyaltiesAndTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ProfitLossBeforeRoyaltiesAndTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 3.0,
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The profit (loss) from continuing operations before royalties and tax expense or income.",
        "label": "Profit (Loss) Before Royalties and Tax",
        "totalLabel": "Profit before royalties, carbon tax and tax"
       }
      }
     },
     "localname": "ProfitLossBeforeRoyaltiesAndTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PropertyPlantAndEquipmentNonCashAdditionsAttributableToCapitalisedDepreciation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of amortisation and depreciation during the period that was capitalised as non-cash additions.",
        "label": "Property Plant And Equipment Non-cash Additions Attributable To Capitalised Depreciation",
        "terseLabel": "Non-cash additions, capitalised amortisation and depreciation"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNonCashAdditionsAttributableToCapitalisedDepreciation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_PropertyPlantAndEquipmentRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 5.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Property Plant And Equipment Recognised As Of Asset Acquisition Date",
        "label": "Property Plant And Equipment Recognised As Of Asset Acquisition Date",
        "terseLabel": "Property, Plant and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ProportionOfLegalOwnershipInterestInAssociate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proportion of Legal Ownership Interest In Associate",
        "label": "Proportion of Legal Ownership Interest In Associate",
        "terseLabel": "Proportion of legal ownership interest in associate"
       }
      }
     },
     "localname": "ProportionOfLegalOwnershipInterestInAssociate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ProportionOfOwnershipInterestInEntity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proportion Of Ownership Interest In Entity",
        "label": "Proportion Of Ownership Interest In Entity",
        "terseLabel": "Proportion of ownership interest in entity"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInEntity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ProportionOfOwnershipInterestInOtherInvestments": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proportion Of Ownership Interest In Other Investments",
        "label": "Proportion Of Ownership Interest In Other Investments",
        "terseLabel": "Proportion of ownership"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInOtherInvestments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ProportionOfOwnershipInterestKeyManagementPersonnel": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The proportion of total of shares that have been authorised and issued to key management personnel, reduced by treasury shares held.",
        "label": "Proportion Of Ownership Interest Key Management Personnel",
        "verboseLabel": "%"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestKeyManagementPersonnel",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ProposedLoanFromGovernmentDepartment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proposed Loan From Government Department",
        "label": "Proposed Loan From Government Department",
        "terseLabel": "Government loan"
       }
      }
     },
     "localname": "ProposedLoanFromGovernmentDepartment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ProvisionForEmployeeLeavePayAccrualCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The provision for current employee leave pay accrual.",
        "label": "Provision For Employee Leave Pay Accrual Current",
        "terseLabel": "Leave pay accrual"
       }
      }
     },
     "localname": "ProvisionForEmployeeLeavePayAccrualCurrent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ProvisionForPayrollCreditorsCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_TradeAndOtherCurrentPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The provision for current payroll creditors.",
        "label": "Provision For Payroll Creditors Current",
        "terseLabel": "Payroll creditors"
       }
      }
     },
     "localname": "ProvisionForPayrollCreditorsCurrent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ProvisionForPostClosureAspects": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount provided for Post Closure Aspects of water management liability during the period.",
        "label": "Provision For Post Closure Aspects",
        "terseLabel": "Provision for post closure aspects"
       }
      }
     },
     "localname": "ProvisionForPostClosureAspects",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ProvisionForPostClosureWaterManagement": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provision For Post Closure Water Management",
        "label": "Provision For Post Closure Water Management",
        "terseLabel": "Provision for post closure water management"
       }
      }
     },
     "localname": "ProvisionForPostClosureWaterManagement",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_QiniseleResourcesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Qinisele Resources.",
        "label": "Qinisele Resources [Member]",
        "terseLabel": "Qinisele Resources"
       }
      }
     },
     "localname": "QiniseleResourcesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_R5.5BillionRevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the R5.5 billion revolving credit facility.",
        "label": "R5.5 Billion Revolving Credit Facility [Member]",
        "terseLabel": "R5.5 billion RCF"
       }
      }
     },
     "localname": "R5.5BillionRevolvingCreditFacilityMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_R6.0BillionRevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the R6.0 billion revolving credit facility.",
        "label": "R6.0 Billion Revolving Credit Facility [Member]",
        "terseLabel": "R6.0 billion RCF"
       }
      }
     },
     "localname": "R6.0BillionRevolvingCreditFacilityMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsR55billionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ROCEKeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "ROCE Ke",
        "label": "ROCE Ke [Member]",
        "terseLabel": "ROCE Ke"
       }
      }
     },
     "localname": "ROCEKeMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RandMutualAssuranceInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Rand Mutual Assurance Investment.",
        "label": "Rand Mutual Assurance Investment [Member]",
        "terseLabel": "Rand Mutual Assurance Company Limited"
       }
      }
     },
     "localname": "RandMutualAssuranceInvestmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RandRefineryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents information pertaining to rand refinery.",
        "label": "Rand Refinery [Member]",
        "terseLabel": "Rand Refinery"
       }
      }
     },
     "localname": "RandRefineryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsNarrativeDetails",
      "http://www.sibanyegold.co/role/RelatedpartytransactionsTransactionsandbalanceswithrelatedpartiesDetails",
      "http://www.sibanyegold.co/role/ReversalofimpairmentsimpairmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReMeasurementItemsAttributableToNonControllingInterestsNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the increase (decrease) in headline earnings for re-measurement items attributable to non-controlling interests.",
        "label": "Re-measurement Items, Attributable To Non Controlling Interests, Net Of Tax",
        "negatedTerseLabel": "Re-measurement items, attributable to NCI"
       }
      }
     },
     "localname": "ReMeasurementItemsAttributableToNonControllingInterestsNetOfTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ReattributionOfEquity": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reattribution Of Equity",
        "label": "Reattribution Of Equity",
        "terseLabel": "Reattribution of equity"
       }
      }
     },
     "localname": "ReattributionOfEquity",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNCIimpactDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ReconciliationOfChangesInNetTaxAndRoyaltiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This concept does not have any references.",
        "label": "Reconciliation of Changes in Net Tax and Royalties [abstract]",
        "terseLabel": "Reconciliation of the net tax, carbon tax and royalties (receivable)/payable balance:"
       }
      }
     },
     "localname": "ReconciliationOfChangesInNetTaxAndRoyaltiesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_ReconciliationOfCurrentAndNoncurrentPortionOfLegalProceedingsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a.",
        "label": "Reconciliation of Current and Noncurrent Portion of Legal Proceedings [Abstract]",
        "terseLabel": "Reconciliation of the non-current and current portion of the occupational healthcare obligation:"
       }
      }
     },
     "localname": "ReconciliationOfCurrentAndNoncurrentPortionOfLegalProceedingsAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationChangeinobligationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_ReconciliationOfNonCurrentAndCurrentPortionOfOtherPayablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Reconciliation Of The Non Current And Current Portion Of The Other Payables [Abstract}",
        "terseLabel": "Reconciliation of the non-current and current portion of the other receivables:"
       }
      }
     },
     "localname": "ReconciliationOfNonCurrentAndCurrentPortionOfOtherPayablesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_ReconciliationOfNonCurrentAndCurrentPortionOfOtherReceivablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition available.",
        "label": "Reconciliation Of The Non Current And Current Portion Of The Other Receivables [Abstract}",
        "terseLabel": "Reconciliation of the non-current and current portion of the other receivables:"
       }
      }
     },
     "localname": "ReconciliationOfNonCurrentAndCurrentPortionOfOtherReceivablesAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_RecyclingActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Recycling Activities",
        "label": "Recycling Activities [Member]",
        "terseLabel": "Recycling activities"
       }
      }
     },
     "localname": "RecyclingActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RecyclingSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Recycling Segment",
        "label": "Recycling Segment [Member]",
        "terseLabel": "Recycling"
       }
      }
     },
     "localname": "RecyclingSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RefinancingOfBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Refinancing Of Borrowings",
        "label": "Refinancing Of Borrowings [Member]",
        "terseLabel": "Refinancing of borrowings"
       }
      }
     },
     "localname": "RefinancingOfBorrowingsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RefinementPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage purity to which the substance is refined.",
        "label": "Refinement Percentage",
        "terseLabel": "Percentage to which refined"
       }
      }
     },
     "localname": "RefinementPercentage",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_RehabilitationObligationChangesInEstimates": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) to rehabilitation obligation due to changes in estimates, which are defined as changes in reserves and corresponding changes in life of mine, changes in discount rates, and changes in laws and regulations governing environmental matters.",
        "label": "Rehabilitation Obligation Changes In Estimates",
        "negatedLabel": "Changes in estimates capitalised",
        "terseLabel": "Change in estimates capitalised"
       }
      }
     },
     "localname": "RehabilitationObligationChangesInEstimates",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsScheduleofenvironmentalrehabilitationobligationactivityDetails",
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RehabilitationObligationFundAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 5.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The funds intended to fund environmental rehabilitation obligations of the entity and are not available for general purposes of the entity.",
        "label": "Rehabilitation Obligation Fund Assets",
        "periodEndLabel": "Balance at end of the year",
        "periodStartLabel": "Balance at beginning of the year",
        "terseLabel": "Environmental rehabilitation obligation funds"
       }
      }
     },
     "localname": "RehabilitationObligationFundAssets",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RehabilitationObligationPercentDueUnderAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of the rehabilitation obligation due under a pooling and sharing agreement.",
        "label": "Rehabilitation Obligation Percent Due Under Agreement",
        "terseLabel": "Rehabilitation obligation payable (as a percent)"
       }
      }
     },
     "localname": "RehabilitationObligationPercentDueUnderAgreement",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_RehabilitationObligationPercentRecoverableUnderAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the percentage of the rehabilitation obligation recoverable under a pooling and sharing agreement.",
        "label": "Rehabilitation Obligation Percent Recoverable Under Agreement",
        "terseLabel": "Rehabilitation recoverable (as a percent)"
       }
      }
     },
     "localname": "RehabilitationObligationPercentRecoverableUnderAgreement",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ReorganisationReserveMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for a component of equity resulting from reorganisation.",
        "label": "Reorganisation Reserve [Member]",
        "terseLabel": "Re- organisation reserve"
       }
      }
     },
     "localname": "ReorganisationReserveMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RepaymentOfLeaseLiabilitiesGross": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of repayment of lease liabilities, gross (before interest).",
        "label": "Repayment Of Lease Liabilities, Gross",
        "negatedTerseLabel": "Repayment of lease liabilities",
        "terseLabel": "Repayment of lease liabilities"
       }
      }
     },
     "localname": "RepaymentOfLeaseLiabilitiesGross",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesChangesinleaseliabilitiesDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ReserveOfMarkToMarketMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for a component of equity resulting from mark to market.",
        "label": "Reserve Of Mark To Market [Member]",
        "terseLabel": "Mark-to- market reserve"
       }
      }
     },
     "localname": "ReserveOfMarkToMarketMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementofchangesinequity"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RestructuringLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "n/a",
        "label": "Restructuring [Line Items]",
        "terseLabel": "Restructuring [Line Items]"
       }
      }
     },
     "localname": "RestructuringLineItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RestructuringcostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_RestructuringTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of restructuring disclosures.",
        "label": "Restructuring [Table]",
        "terseLabel": "Restructuring [Table]"
       }
      }
     },
     "localname": "RestructuringTable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RestructuringcostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_ReturnOnCapitalEmployedAtCostOfCapitalPlus1Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed at cost of capital plus 1%.",
        "label": "Return On Capital Employed At Cost Of Capital Plus1 [Member]",
        "terseLabel": "Ke + 1%"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedAtCostOfCapitalPlus1Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnCapitalEmployedAtCostOfCapitalPlus2Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed at cost of capital plus 2%.",
        "label": "Return On Capital Employed At Cost Of Capital Plus2 [Member]",
        "terseLabel": "Ke + 2%"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedAtCostOfCapitalPlus2Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnCapitalEmployedAtCostOfCapitalPlus3Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed at cost of capital plus 3%.",
        "label": "Return On Capital Employed At Cost Of Capital Plus3 [Member]",
        "terseLabel": "Ke + 3%"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedAtCostOfCapitalPlus3Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnCapitalEmployedAtCostOfCapitalPlus4Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed at cost of capital plus 4%.",
        "label": "Return On Capital Employed At Cost Of Capital Plus4 [Member]",
        "terseLabel": "Ke + 4%"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedAtCostOfCapitalPlus4Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnCapitalEmployedAtCostOfCapitalPlus5Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed at cost of capital plus 5%.",
        "label": "Return On Capital Employed At Cost Of Capital Plus5 [Member]",
        "terseLabel": "Ke + 5%"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedAtCostOfCapitalPlus5Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnCapitalEmployedAtCostOfCapitalPlus6Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed at cost of capital plus 6%.",
        "label": "Return On Capital Employed At Cost Of Capital Plus6 [Member]",
        "terseLabel": "Ke + 6%"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedAtCostOfCapitalPlus6Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnCapitalEmployedLessThanCostOfCapitalMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for return on capital employed less than cost of capital.",
        "label": "Return On Capital Employed Less Than Cost Of Capital [Member]",
        "terseLabel": "\u2264Ke"
       }
      }
     },
     "localname": "ReturnOnCapitalEmployedLessThanCostOfCapitalMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ReturnOnInvestedCapitalROICMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Return On Invested Capital (ROIC)",
        "label": "Return On Invested Capital (ROIC) [Member]",
        "terseLabel": "ROIC"
       }
      }
     },
     "localname": "ReturnOnInvestedCapitalROICMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RevenueFromLargestCustomer": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of revenue from the largest customer in the specified category during the period.",
        "label": "Revenue From Largest Customer",
        "terseLabel": "Revenue from largest customer"
       }
      }
     },
     "localname": "RevenueFromLargestCustomer",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RevenueFromSecondLargestCustomer": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of revenue during the period from the second largest customer.",
        "label": "Revenue From Second Largest Customer",
        "terseLabel": "Revenue from second largest customer"
       }
      }
     },
     "localname": "RevenueFromSecondLargestCustomer",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RevenueFromThirdLargestCustomer": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue From Third Largest Customer",
        "label": "Revenue From Third Largest Customer",
        "terseLabel": "Revenue from third largest customer"
       }
      }
     },
     "localname": "RevenueFromThirdLargestCustomer",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ReversalOfUncertainIncomeTaxAttributableToInterestLimitation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of reversal, during the period, of uncertain tax attributable to interest limitation.",
        "label": "Reversal Of Uncertain Income Tax Attributable To Interest Limitation",
        "terseLabel": "Reversal of uncertain tax related to interest limitation"
       }
      }
     },
     "localname": "ReversalOfUncertainIncomeTaxAttributableToInterestLimitation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RhodiumMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to rhodium mining activities.",
        "label": "Rhodium Mining Activities [Member]",
        "terseLabel": "Rhodium"
       }
      }
     },
     "localname": "RhodiumMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RhyoliteRidgeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Rhyolite Ridge",
        "label": "Rhyolite Ridge [Member]",
        "terseLabel": "Rhyolite Ridge"
       }
      }
     },
     "localname": "RhyoliteRidgeMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RichardMenellMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Richard Menell.",
        "label": "Richard Menell [Member]",
        "terseLabel": "Richard Menell"
       }
      }
     },
     "localname": "RichardMenellMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RichardStewartMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Richard Stewart.",
        "label": "Richard Stewart [Member]",
        "terseLabel": "Richard Stewart"
       }
      }
     },
     "localname": "RichardStewartMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RightOfRecoverabilityAssetIncreaseDecrease": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in the right of recoverability asset during the period.",
        "label": "Right Of Recoverability Asset, Increase (Decrease)",
        "verboseLabel": "Increase (decrease) in right of recoverability asset"
       }
      }
     },
     "localname": "RightOfRecoverabilityAssetIncreaseDecrease",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfRecoverabilityLiabilityIncreaseDecrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in the right of recoverability liability during the period.",
        "label": "Right Of Recoverability Liability, Increase (Decrease)",
        "negatedLabel": "Increase (decrease) in right of recoverability liability"
       }
      }
     },
     "localname": "RightOfRecoverabilityLiabilityIncreaseDecrease",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/PropertyplantandequipmentCostaccumulatedamortisationandcarryingvalueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfRecoveryPayable": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails_1": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherPayables",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the payable under a right of recovery.",
        "label": "Right Of Recovery Payable",
        "terseLabel": "Right of recovery payable"
       }
      }
     },
     "localname": "RightOfRecoveryPayable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfRecoveryReceivable": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails_1": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the receivable under a right of recovery.",
        "label": "Right Of Recovery Receivable",
        "terseLabel": "Right of recovery receivable"
       }
      }
     },
     "localname": "RightOfRecoveryReceivable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherreceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfUseAssetsForeignCurrencyTranslation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in right of use assets pertaining to foreign currency translations.",
        "label": "Right Of Use Assets, Foreign Currency Translation",
        "terseLabel": "Foreign currency translation"
       }
      }
     },
     "localname": "RightOfUseAssetsForeignCurrencyTranslation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfUseAssetsRecognisedAsOfAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for right of use asset acquired in a business combination.",
        "label": "Right Of Use Assets Recognised As Of Acquisition Date",
        "terseLabel": "Right-of-use assets acquired on acquisition of subsidiaries",
        "verboseLabel": "Right-of-use assets"
       }
      }
     },
     "localname": "RightOfUseAssetsRecognisedAsOfAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfUseAssetsRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 2.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Right Of Use Assets Recognised As Of Asset Acquisition Date",
        "label": "Right Of Use Assets Recognised As Of Asset Acquisition Date",
        "verboseLabel": "Right-of-use assets"
       }
      }
     },
     "localname": "RightOfUseAssetsRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RightOfUseAssetsTransfersAndOtherMovements": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of increase (decrease) in right of use assets due to transfer and other movements.",
        "label": "Right Of Use Assets, Transfers And Other Movements",
        "terseLabel": "Transfers and other movements"
       }
      }
     },
     "localname": "RightOfUseAssetsTransfersAndOtherMovements",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RobertVanNiekerkMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Robert van Niekerk.",
        "label": "Robert Van Niekerk [Member]",
        "terseLabel": "Robert van Niekerk"
       }
      }
     },
     "localname": "RobertVanNiekerkMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RoyaltiesAndCarbonTaxExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/SegmentreportingDetails": {
       "order": 8.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of current tax expense for mineral royalties and carbon tax.",
        "label": "Royalties and carbon tax expense",
        "negatedTerseLabel": "Royalties and carbon tax"
       }
      }
     },
     "localname": "RoyaltiesAndCarbonTaxExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RoyaltiesAndMiningAndIncomeTaxAndDeferredTaxAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "No definition.",
        "label": "Mining and income tax",
        "terseLabel": "Mining and income tax"
       }
      }
     },
     "localname": "RoyaltiesAndMiningAndIncomeTaxAndDeferredTaxAbstract",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "stringItemType"
    },
    "sbsw_RoyaltiesAndMiningAndIncomeTaxAndDeferredTaxLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.",
        "label": "Royalties, and mining and income tax and deferred tax [line items]",
        "terseLabel": "Royalties, and mining and income tax and deferred tax"
       }
      }
     },
     "localname": "RoyaltiesAndMiningAndIncomeTaxAndDeferredTaxLineItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_RoyaltiesCarbonTaxAndCurrentTax": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of royalties, carbon tax and current tax expense incurred during the period.",
        "label": "Royalties, Carbon Tax, And Current Tax",
        "terseLabel": "Royalties, carbon tax and current tax"
       }
      }
     },
     "localname": "RoyaltiesCarbonTaxAndCurrentTax",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_RoyaltiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule disclosing information related to royalties.",
        "label": "Royalties [table]",
        "terseLabel": "Royalties [table]"
       }
      }
     },
     "localname": "RoyaltiesTable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sbsw_RoyaltyCalculationGrossRevenueFactorForRefinedMinerals": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The royalty for refined minerals is calculated by dividing earnings before interest and taxes (EBIT) by the product of this factor times gross revenue calculated as a percentage, plus an additional 0.5%.",
        "label": "Royalty Calculation, Gross Revenue Factor For Refined Minerals",
        "terseLabel": "Gross revenue factor, refined minerals"
       }
      }
     },
     "localname": "RoyaltyCalculationGrossRevenueFactorForRefinedMinerals",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_RoyaltyCalculationGrossRevenueFactorForUnrefinedMinerals": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The royalty for unrefined minerals is calculated by dividing earnings before interest and taxes (EBIT) by the product of this factor times gross revenue calculated as a percentage, plus an additional 0.5%.",
        "label": "Royalty Calculation, Gross Revenue Factor For Unrefined Minerals",
        "terseLabel": "Gross revenue factor, unrefined minerals"
       }
      }
     },
     "localname": "RoyaltyCalculationGrossRevenueFactorForUnrefinedMinerals",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRevenuefromMineralResourceDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sbsw_RustenburgMineCommunityDevelopmentTrustNoncontrollingInterestMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the Rustenburg Mine Community Development Trust.",
        "label": "Rustenburg Mine Community Development Trust Noncontrolling Interest [Member]",
        "terseLabel": "Rustenburg Mine Community Development Trust"
       }
      }
     },
     "localname": "RustenburgMineCommunityDevelopmentTrustNoncontrollingInterestMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RustenburgMineEmployeesTrustNoncontrollingInterestMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the Rustenburg Mine Employees Trust.",
        "label": "Rustenburg Mine Employees Trust Noncontrolling Interest [Member]",
        "terseLabel": "Rustenburg Mine Employees Trust"
       }
      }
     },
     "localname": "RustenburgMineEmployeesTrustNoncontrollingInterestMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RustenburgOperationsAcquisitionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the agreements with RPM to acquire the Bathopele, Siphumelele (including Khomanani), and Thembelani (including Khuseleka) mining operations, two concentrating plants, an on-site chrome recovery plant, the Western Limb Tailings Retreatment Plant, associated surface infrastructure and related assets and liabilities on a going concern basis (The Rustenburg Operations) (the Rustenburg Operations Transaction.)",
        "label": "Rustenburg Operations Acquisition [Member]",
        "terseLabel": "Rustenburg Operations acquisition"
       }
      }
     },
     "localname": "RustenburgOperationsAcquisitionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesRightofrecoveryandDeferredDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RustenburgOperationsSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Rustenburg operations segment.",
        "label": "Rustenburg Operations Segment [Member]",
        "terseLabel": "Rustenburg operation"
       }
      }
     },
     "localname": "RustenburgOperationsSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesReportingentityDetails",
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_RutheniumMiningActivitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to ruthenium mining activities.",
        "label": "Ruthenium Mining Activities [Member]",
        "terseLabel": "Ruthenium"
       }
      }
     },
     "localname": "RutheniumMiningActivitiesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SandouvilleMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sandouville",
        "label": "Sandouville [Member]",
        "terseLabel": "Sandouville"
       }
      }
     },
     "localname": "SandouvilleMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails",
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SandouvilleSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sandouville Segment",
        "label": "Sandouville Segment [Member]",
        "terseLabel": "Sandouville"
       }
      }
     },
     "localname": "SandouvilleSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SavannahDansonMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Savannah Danson.",
        "label": "Savannah Danson [Member]",
        "terseLabel": "Savannah Danson"
       }
      }
     },
     "localname": "SavannahDansonMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ScheduleOfBorrowingsInterestRateChangesAndRepricingDatesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of exposure to interest rate changes and the contractual repricing dates.",
        "label": "Schedule Of Borrowings Interest Rate Changes And Repricing Dates [Table Text Block]",
        "terseLabel": "Schedule of the exposure to interest rate changes and the contractual repricing dates"
       }
      }
     },
     "localname": "ScheduleOfBorrowingsInterestRateChangesAndRepricingDatesTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfBorrowingsRollforwardTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of the rollforward of borrowings.",
        "label": "Schedule Of Borrowings Rollforward [Table Text Block]",
        "terseLabel": "Schedule of the rollforward of borrowings"
       }
      }
     },
     "localname": "ScheduleOfBorrowingsRollforwardTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfCashGeneratedByOperationsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular presentation of cash generated by operations.",
        "label": "Schedule of Cash Generated By Operations [Table Text Block]",
        "terseLabel": "Schedule of cash generated by operations"
       }
      }
     },
     "localname": "ScheduleOfCashGeneratedByOperationsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfChangeInWorkingCapitalTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the change in working capital.",
        "label": "Schedule Of Change In Working Capital [Table Text Block]",
        "terseLabel": "Schedule of the change in working capital"
       }
      }
     },
     "localname": "ScheduleOfChangeInWorkingCapitalTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/ChangeinworkingcapitalTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfDividendsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of dividends.",
        "label": "Schedule Of Dividends [Table Text Block]",
        "terseLabel": "Schedule of Cash flows from dividends paid are classified under operating activities"
       }
      }
     },
     "localname": "ScheduleOfDividendsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfEnvironmentalRehabilitationObligationFundsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the fair value roll forward of the environment rehabilitation obligation funds.",
        "label": "Schedule of Environmental Rehabilitation Obligation Funds [Table Text Block]",
        "terseLabel": "Schedule of the environment rehabilitation obligation funds"
       }
      }
     },
     "localname": "ScheduleOfEnvironmentalRehabilitationObligationFundsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfFairValueOfBorrowingsWhereCarryingAmountDoesNotApproximateFairValueTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the fair value of borrowings where carrying amount does not approximate fair value.",
        "label": "Schedule Of Fair Value Of Borrowings Where Carrying Amount Does Not Approximate Fair Value [Table Text Block]",
        "terseLabel": "Schedule of fair value of borrowings"
       }
      }
     },
     "localname": "ScheduleOfFairValueOfBorrowingsWhereCarryingAmountDoesNotApproximateFairValueTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfGainLossOnFinancialInstrumentTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The table of disclosure of gain (loss) on financial instruments.",
        "label": "Schedule Of Gain (Loss) On Financial Instrument [Table Text Block]",
        "terseLabel": "Schedule of loss on financial instrument"
       }
      }
     },
     "localname": "ScheduleOfGainLossOnFinancialInstrumentTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfImpactOfRetrospectiveRestatementTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Impact Of Retrospective Restatement",
        "label": "Schedule Of Impact Of Retrospective Restatement [Table Text Block]",
        "terseLabel": "Disclosure of impact of restatement on financial statements"
       }
      }
     },
     "localname": "ScheduleOfImpactOfRetrospectiveRestatementTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfInventoryTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Schedule Of Inventory [Table Text Block]",
        "terseLabel": "Schedule of inventories"
       }
      }
     },
     "localname": "ScheduleOfInventoryTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/InventoriesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfLeaseCostsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular presentation of lease costs expensed during the period.",
        "label": "Schedule Of Lease Costs [Table Text Block]",
        "terseLabel": "Schedule of lease payments expensed"
       }
      }
     },
     "localname": "ScheduleOfLeaseCostsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfLeasesLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of Lease liabilities.",
        "label": "Schedule Of Leases Liabilities [Table Text Block]",
        "terseLabel": "Summary of lease liabilities"
       }
      }
     },
     "localname": "ScheduleOfLeasesLiabilitiesTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfMajorComponentsOfMiningAndIncomeTaxExpenseTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of the major components of mining and income tax.",
        "label": "Schedule Of Major Components Of Mining And Income Tax [Table Text Block]",
        "terseLabel": "Schedule of mining and income tax expense"
       }
      }
     },
     "localname": "ScheduleOfMajorComponentsOfMiningAndIncomeTaxExpenseTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfMajorComponentsOfRoyaltyTaxExpenseTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The tabular disclosure of components of royalty tax expense.",
        "label": "Schedule Of Major Components Of Royalty Tax Expense [Table Text Block]",
        "terseLabel": "Schedule of royalty tax expense"
       }
      }
     },
     "localname": "ScheduleOfMajorComponentsOfRoyaltyTaxExpenseTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfMaturityOfLeaseLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular presentation of maturity of lease liabilities.",
        "label": "Schedule Of Maturity Of Lease Liabilities [Table Text Block]",
        "terseLabel": "Schedule of lease maturities"
       }
      }
     },
     "localname": "ScheduleOfMaturityOfLeaseLiabilitiesTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LeaseliabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfNetDebtToEbitdaTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the schedule of the calculation of the ratio of net debt to adjusted EBITDA.",
        "label": "Schedule Of Net Debt To Ebitda [Table Text Block]",
        "terseLabel": "Schedule of the calculation of net debt to adjusted EBITDA ratio"
       }
      }
     },
     "localname": "ScheduleOfNetDebtToEbitdaTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfReconciliationOfLossProfitBeforeRoyaltiesAndTaxToAdjustedEbitdaTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of reconciliation of (loss)/profit before royalties and tax to adjusted Earnings before interest tax and depreciation adjustment.",
        "label": "Schedule of Reconciliation Of (Loss)/Profit Before Royalties And Tax To Adjusted EBITDA [Table Text Block]",
        "terseLabel": "Schedule of reconciliation of (loss)/profit before royalties and tax to adjusted EBITDA"
       }
      }
     },
     "localname": "ScheduleOfReconciliationOfLossProfitBeforeRoyaltiesAndTaxToAdjustedEbitdaTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfReconciliationOfProfitAndLossAttributableToOwnersOfParentToNormalisedEarningsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of adjustment from profit (loss) attributable to owners of parent to normalised earnings.",
        "label": "Schedule Of Reconciliation of Profit And Loss Attributable to Owners of Parent to Normalised Earnings [Table Text Block]",
        "terseLabel": "Schedule of Reconciliation of (loss)/profit attributable to the owners"
       }
      }
     },
     "localname": "ScheduleOfReconciliationOfProfitAndLossAttributableToOwnersOfParentToNormalisedEarningsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfRightOfUseAssetsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of right of use assets.",
        "label": "Schedule of Right Of Use Assets [Table Text Block]",
        "terseLabel": "Summary of right-of-use asset"
       }
      }
     },
     "localname": "ScheduleOfRightOfUseAssetsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RightofuseassetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfSubsidiariesRelatedToNoncontrollingInterestsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The disclosure of subsidiaries related to non-controlling interests.",
        "label": "Schedule Of Subsidiaries Related To Noncontrolling Interests [Table Text Block]",
        "terseLabel": "Schedule of subsidiaries related to non-controlling interests"
       }
      }
     },
     "localname": "ScheduleOfSubsidiariesRelatedToNoncontrollingInterestsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfSummarisedFinancialInformationOfNoncontrollingInterestsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of summarised financial information about noncontrolling interests.",
        "label": "Schedule Of Summarised Financial Information Of Noncontrolling Interests [Table Text Block]",
        "terseLabel": "Schedule of summarised financial information of subsidiary groups"
       }
      }
     },
     "localname": "ScheduleOfSummarisedFinancialInformationOfNoncontrollingInterestsTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/NoncontrollinginterestsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ScheduleOfTradeAndOtherPayablesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of components of trade and other payables.",
        "label": "Schedule Of Trade And Other Payables [Table Text Block]",
        "terseLabel": "Schedule of trade and other payables"
       }
      }
     },
     "localname": "ScheduleOfTradeAndOtherPayablesTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/TradeandotherpayablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_SecondTrancheMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Second Tranche",
        "label": "Second Tranche [Member]",
        "terseLabel": "Second tranche"
       }
      }
     },
     "localname": "SecondTrancheMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsKeliberNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SeniorNotesWith6.125MaturingOn2022Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Senior Notes With 6.125 interest rate, maturing in 2022.",
        "label": "Senior Notes With6.125 Maturing On2022 [Member]",
        "terseLabel": "2022 Notes"
       }
      }
     },
     "localname": "SeniorNotesWith6.125MaturingOn2022Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SeniorNotesWith7.125MaturingOn2025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Senior Notes With 7.125 interest rate, maturing in 2025.",
        "label": "Senior Notes With7.125 Maturing On2025 [Member]",
        "terseLabel": "2025 Notes"
       }
      }
     },
     "localname": "SeniorNotesWith7.125MaturingOn2025Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SensitivityAnalysisEffectOfDownwardChangeInInterestRateByHalfPercentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in finance expense on account of downward change by 0.5%in interest rate sensitivity analysis.",
        "label": "Sensitivity analysis effect of downward change in interest rate by half percent, amount",
        "terseLabel": "Change in interest expense for downward change by 0.5% in interest rate"
       }
      }
     },
     "localname": "SensitivityAnalysisEffectOfDownwardChangeInInterestRateByHalfPercentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SensitivityAnalysisEffectOfDownwardChangeInInterestRateByOneAndHalfPercentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in finance expense on account of downward change by 1.5% in interest rate sensitivity analysis.",
        "label": "Sensitivity analysis effect of downward change in interest rate by one and half percent, amount",
        "terseLabel": "Change in interest expense for downward change by 1.5% in interest rate"
       }
      }
     },
     "localname": "SensitivityAnalysisEffectOfDownwardChangeInInterestRateByOneAndHalfPercentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SensitivityAnalysisEffectOfDownwardChangeInInterestRateByOnePercentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in finance expense on account of downward change by 1% in interest rate sensitivity analysis.",
        "label": "Sensitivity analysis effect of downward change in interest rate by one percent, amount",
        "terseLabel": "Change in interest expense for downward change by 1% in interest rate"
       }
      }
     },
     "localname": "SensitivityAnalysisEffectOfDownwardChangeInInterestRateByOnePercentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SensitivityAnalysisEffectOfUpwardChangeInInterestRateByHalfPercentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in finance expense on account of upward change by 0.5% in interest rate sensitivity analysis.",
        "label": "Sensitivity analysis effect of upward change in interest rate by half percent, amount",
        "terseLabel": "Change in interest expense for upward change by 0.5% in interest rate"
       }
      }
     },
     "localname": "SensitivityAnalysisEffectOfUpwardChangeInInterestRateByHalfPercentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SensitivityAnalysisEffectOfUpwardChangeInInterestRateByOneAndHalfPercentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in finance expense on account of upward change by 1.5% in interest rate sensitivity analysis.",
        "label": "Sensitivity analysis effect of upward change in interest rate by one and half percent, amount",
        "terseLabel": "Change in interest expense for upward change by 1.5% in interest rate"
       }
      }
     },
     "localname": "SensitivityAnalysisEffectOfUpwardChangeInInterestRateByOneAndHalfPercentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SensitivityAnalysisEffectOfUpwardChangeInInterestRateByOnePercentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of change in finance expense on account of upward change by 1% in interest rate sensitivity analysis.",
        "label": "Sensitivity analysis effect of upward change in interest rate by one percent, amount",
        "terseLabel": "Change in interest expense for upward change by 1% in interest rate"
       }
      }
     },
     "localname": "SensitivityAnalysisEffectOfUpwardChangeInInterestRateByOnePercentAmount",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ServiceEntityCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of costs during the period attributable to service entities.",
        "label": "Service Entity Costs",
        "negatedLabel": "Service entity costs"
       }
      }
     },
     "localname": "ServiceEntityCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOthercostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ServiceEntityIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_OtherIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of service entity income recognised during the period.",
        "label": "Service Entity Income",
        "terseLabel": "Service entity income"
       }
      }
     },
     "localname": "ServiceEntityIncome",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SfaOxfordLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to SFA (Oxford) Limited.",
        "label": "Sfa Oxford Limited [Member]",
        "terseLabel": "SFA Oxford Limited"
       }
      }
     },
     "localname": "SfaOxfordLimitedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesDeferredcontingentpaymentsDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesOtherpayablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ShadwickBessitMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Shadwick Bessit, an officer of the entity.",
        "label": "Shadwick Bessit [Member]",
        "terseLabel": "Shadwick Bessit"
       }
      }
     },
     "localname": "ShadwickBessitMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedPerIndividualParticipant": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum number of shares (or other type of equity) allowed per individual participant.",
        "label": "Share-based compensation arrangement by share-based payment award, number of shares authorized per individual participant",
        "terseLabel": "Maximum shares allowed per individual participant (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedPerIndividualParticipant",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_ShareBasedPaymentArrangementMovementInGrantDateFairValueRecognisedInProfitOrLoss": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the amount of movement in grant date fair value that was recognised during the period in profit or loss.",
        "label": "Share Based Payment Arrangement, Movement In Grant Date Fair Value Recognised In Profit Or Loss",
        "terseLabel": "Expense from movement in grant date fair value"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementMovementInGrantDateFairValueRecognisedInProfitOrLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ShareBasedPaymentArrangementMovementInPostGrantDateFairValueRecognisedInProfitOrLoss": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the amount of movement in post grant date fair value that was recognised during the period in profit or loss.",
        "label": "Share Based Payment Arrangement, Movement In Post Grant Date Fair Value Recognised In Profit Or Loss",
        "negatedTerseLabel": "Expense from movement in post grant date fair value"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementMovementInPostGrantDateFairValueRecognisedInProfitOrLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageOfAwardInPerformanceShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the percentage of award that is in the form of performance shares.",
        "label": "Share Based Payment Arrangement, Percentage Of Award In Performance Shares",
        "terseLabel": "Percent of award in performance shares"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageOfAwardInPerformanceShares",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageOfAwardInRetentionShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the percentage of award that is in the form of retention shares.",
        "label": "Share Based Payment Arrangement, Percentage Of Award In Retention Shares",
        "terseLabel": "Percent of award in retention shares"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageOfAwardInRetentionShares",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageOfAwardVestingInEachTranche": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of the awards that vest in each tranche.",
        "label": "Share Based Payment Arrangement, Percentage Of Award Vesting In Each Tranche",
        "terseLabel": "Percent vesting in each tranche"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageOfAwardVestingInEachTranche",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageOfRetentionSharesVestingUponSatisfactionOfCriteria": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of retention shares that vest upon satisfaction of the vesting criteria.",
        "label": "Share Based Payment Arrangement, Percentage Of Retention Shares Vesting Upon Satisfaction Of Criteria",
        "terseLabel": "Percentage vesting upon satisfaction of criteria"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageOfRetentionSharesVestingUponSatisfactionOfCriteria",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDRDGoldDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageVestingInTranche1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the percentage of award that vests in first tranche.",
        "label": "Share Based Payment Arrangement, Percentage Vesting In Tranche 1",
        "terseLabel": "Percentage vesting, tranche 1"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageVestingInTranche1",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageVestingInTranche2": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the percentage of award that vests in second tranche.",
        "label": "Share Based Payment Arrangement, Percentage Vesting In Tranche 2",
        "terseLabel": "Percentage vesting, tranche 2"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageVestingInTranche2",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementPercentageVestingInTranche3": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "In share based payment arrangement, the percentage of award that vests in third tranche.",
        "label": "Share Based Payment Arrangement, Percentage Vesting In Tranche 3",
        "terseLabel": "Percentage vesting, tranche 3"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentageVestingInTranche3",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_ShareBasedPaymentArrangementVestingPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The vesting period for wards in share based payment arrangement.",
        "label": "Share Based Payment Arrangement Vesting Period",
        "terseLabel": "Vesting period"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementVestingPeriod",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_ShareBasedPaymentArrangementsOtherThanBeeTransactionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for all share-based payment arrangements other than those related to the BEE transaction.",
        "label": "Share Based Payment Arrangements Other Than Bee Transaction [Member]",
        "terseLabel": "Share-Based Payment Arrangements other than BEE transaction"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementsOtherThanBeeTransactionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ShareBasedPaymentObligationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for temporary differences due to share-based payment obligation.",
        "label": "Share Based Payment Obligation [Member]",
        "terseLabel": "Share-based payment obligation"
       }
      }
     },
     "localname": "ShareBasedPaymentObligationMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ShareBasedPaymentObligationRecognisedAsOfAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 14.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "localname": "ShareBasedPaymentObligationRecognisedAsOfAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ShareBasedPaymentObligationRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 6.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share Based Payment Obligation Recognised As Of Asset Acquisition Date",
        "label": "Share Based Payment Obligation Recognised As Of Asset Acquisition Date",
        "negatedTerseLabel": "Cash-settled share-based payment obligations"
       }
      }
     },
     "localname": "ShareBasedPaymentObligationRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_ShareBasedPaymentObligationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reconciliation of the share-based payment obligations",
        "label": "Share-based payment obligation [Table Text Block]",
        "terseLabel": "Reconciliation of the share-based payment obligations"
       }
      }
     },
     "localname": "ShareBasedPaymentObligationTableTextBlock",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sbsw_ShareBasedPaymentOnBeeTransactionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Share-based payment on BEE transaction.",
        "label": "Share Based Payment On Bee Transaction [Member]",
        "terseLabel": "Share-based payment on BEE transaction"
       }
      }
     },
     "localname": "ShareBasedPaymentOnBeeTransactionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ShareBasedPaymentValuationWeightedAverageFairValuePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average fair value per share per the valuation of share based payment awards.",
        "label": "Share Based Payment Valuation, Weighted Average Fair Value Per Share",
        "terseLabel": "Weighted average fair value per share (in ZAR per share)"
       }
      }
     },
     "localname": "ShareBasedPaymentValuationWeightedAverageFairValuePerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_ShareBasedPlanStillwaterCashSettledSchemeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share Based Plan Stillwater Cash Settled Scheme [Member]",
        "label": "Share Based Plan Stillwater Cash Settled Scheme [Member]",
        "terseLabel": "Stillwater cash settled scheme"
       }
      }
     },
     "localname": "ShareBasedPlanStillwaterCashSettledSchemeMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ShareOptionsGrantedExpectedTermInMonths": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The expected term of the share options granted, used as an input for the valuation.",
        "label": "Share Options Granted Expected Term, In Months",
        "terseLabel": "Expected term (months)"
       }
      }
     },
     "localname": "ShareOptionsGrantedExpectedTermInMonths",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_ShareOptionsGrantedExpectedTermInYears": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share Options Granted Expected Term, In Years",
        "label": "Share Options Granted Expected Term, In Years",
        "terseLabel": "Expected term (years)"
       }
      }
     },
     "localname": "ShareOptionsGrantedExpectedTermInYears",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_ShareRepurchasePricePaidPerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The price paid, per share, in the share repurchase.",
        "label": "Share Repurchase, Price Paid Per Share",
        "terseLabel": "Repurchase price, per share (in ZAR per share)"
       }
      }
     },
     "localname": "ShareRepurchasePricePaidPerShare",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sbsw_SharesAcquiredInEquityMethodInvestment": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shares Acquired In Equity Method Investment",
        "label": "Shares Acquired In Equity Method Investment",
        "terseLabel": "Shares acquired in equity method investment (in shares)"
       }
      }
     },
     "localname": "SharesAcquiredInEquityMethodInvestment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_SharesIssuedInConversionOfDebt": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares issued in conversion of debt instrument during the period.",
        "label": "Shares Issued In Conversion Of Debt",
        "terseLabel": "Shares issued upon conversion of debt (in shares)"
       }
      }
     },
     "localname": "SharesIssuedInConversionOfDebt",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_SharesIssuedInReorganisation": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares of the entity's stock issued in the reorganisation scheme.",
        "label": "Shares Issued In Reorganisation",
        "terseLabel": "Scheme implemented (in shares)"
       }
      }
     },
     "localname": "SharesIssuedInReorganisation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_SharesIssuedShareBasedPaymentsArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued during the period as a result of share-based payment arrangements.",
        "label": "Shares Issued, Share Based Payments Arrangement",
        "terseLabel": "Shares issued under Sibanye-Stillwater/SGL Share Plan (in shares)"
       }
      }
     },
     "localname": "SharesIssuedShareBasedPaymentsArrangement",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_SharesRepurchased": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares repurchased by the entity during the period.",
        "label": "Shares Repurchased",
        "negatedLabel": "Shares delisted (share buy-back) (in shares)"
       }
      }
     },
     "localname": "SharesRepurchased",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/StatedsharecapitalAuthorisedandissuedDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_Sibanye2017And2013SharePlansMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the 2017 and 2013 share plans.",
        "label": "Sibanye2017 And2013 Share Plans [Member]",
        "terseLabel": "Sibanye 2017 and 2013 Share Plans"
       }
      }
     },
     "localname": "Sibanye2017And2013SharePlansMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_Sibanye2017SharePlanBonusSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for bonus shares under Sibanye 2017 Share Plan.",
        "label": "Sibanye2017 Share Plan Bonus Shares [Member]",
        "terseLabel": "Sibanye 2017 Share Plan - Bonus Shares"
       }
      }
     },
     "localname": "Sibanye2017SharePlanBonusSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_Sibanye2017SharePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for the Sibanye 2017 Share Plan.",
        "label": "Sibanye2017 Share Plan [Member]",
        "terseLabel": "Sibanye-Stillwater 2017 Share Plan (equity-settled scheme)"
       }
      }
     },
     "localname": "Sibanye2017SharePlanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_Sibanye2017SharePlanPerformanceSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance shares under Sibanye 2017 Share Plan.",
        "label": "Sibanye2017 Share Plan Performance Shares [Member]",
        "terseLabel": "Sibanye Stillwater 2017 Share Plan - Performance Shares"
       }
      }
     },
     "localname": "Sibanye2017SharePlanPerformanceSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeGoldLimited2013SharePlanBonusSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for bonus shares under Sibanye Gold Limited 2013 Share Plan.",
        "label": "Sibanye Gold Limited2013 Share Plan Bonus Shares [Member]",
        "terseLabel": "2013 Share Plan - Bonus shares"
       }
      }
     },
     "localname": "SibanyeGoldLimited2013SharePlanBonusSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeGoldLimited2013SharePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for Sibanye Gold Limited 2013 Share Plan.",
        "label": "Sibanye Gold Limited2013 Share Plan [Member]",
        "terseLabel": "Sibanye Gold Limited2013 Share Plan [Member]"
       }
      }
     },
     "localname": "SibanyeGoldLimited2013SharePlanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeGoldLimited2013SharePlanPerformanceSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance shares under Sibanye Gold Limited 2013 Share Plan.",
        "label": "Sibanye Gold Limited2013 Share Plan Performance Shares [Member]",
        "terseLabel": "2013 Share Plan - Performance shares"
       }
      }
     },
     "localname": "SibanyeGoldLimited2013SharePlanPerformanceSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlanActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeGoldLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Gold Limited",
        "label": "Sibanye Gold Limited [Member]",
        "terseLabel": "SGL"
       }
      }
     },
     "localname": "SibanyeGoldLimitedMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeGoldPtyLtdMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Gold Pty Ltd",
        "label": "Sibanye Gold Pty Ltd [Member]",
        "terseLabel": "SGL corporate"
       }
      }
     },
     "localname": "SibanyeGoldPtyLtdMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeRustenburgPlatinumMinesProprietaryLimitedSubsidiaryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the Sibanye Rustenburg Platinum Mines Proprietary Limited subsidiary.",
        "label": "Sibanye Rustenburg Platinum Mines Proprietary Limited Subsidiary [Member]",
        "terseLabel": "Sibanye Rustenburg Platinum Mines Proprietary Limited Subsidiary"
       }
      }
     },
     "localname": "SibanyeRustenburgPlatinumMinesProprietaryLimitedSubsidiaryMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2020And2021SharePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2020 and 2021 Share Plan",
        "label": "Sibanye Stillwater2020 and 2021 Share Plan [Member]",
        "terseLabel": "Sibanye-Stillwater 2020 Share Plan, 2021 Share Plan and 2022 Share Plan (cash-settled scheme)"
       }
      }
     },
     "localname": "SibanyeStillwater2020And2021SharePlanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledObligationsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2020SharePlanConditionalSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater 2020 Share Plan Conditional Shares Member.",
        "label": "Sibanye Stillwater2020 Share Plan Conditional Shares [Member]",
        "terseLabel": "Sibanye Stillwater 2020 Share Plan Conditional Shares"
       }
      }
     },
     "localname": "SibanyeStillwater2020SharePlanConditionalSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2020SharePlanForfeitableSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater 2020 Share Plan Forfeitable Shares [Member]",
        "label": "Sibanye Stillwater2020 Share Plan Forfeitable Shares [Member]",
        "terseLabel": "Sibanye Stillwater 2020 Share Plan Forfeitable Shares"
       }
      }
     },
     "localname": "SibanyeStillwater2020SharePlanForfeitableSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2021And2022SharePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2021 and 2022 Share Plan",
        "label": "Sibanye Stillwater2021 and 2022 Share Plan [Member]",
        "terseLabel": "Sibanye Stillwater2021 and 2022 Share Plan"
       }
      }
     },
     "localname": "SibanyeStillwater2021And2022SharePlanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2021SharePlanConditionalSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2021 Share Plan Conditional Shares",
        "label": "Sibanye Stillwater2021 Share Plan Conditional Shares [Member]",
        "terseLabel": "Sibanye Stillwater 2021 Share Plan Conditional Shares"
       }
      }
     },
     "localname": "SibanyeStillwater2021SharePlanConditionalSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2021SharePlanForfeitableSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2021 Share Plan Forfeitable Shares",
        "label": "Sibanye Stillwater2021 Share Plan Forfeitable Shares [Member]",
        "terseLabel": "Sibanye Stillwater 2021 Share Plan Forfeitable Shares"
       }
      }
     },
     "localname": "SibanyeStillwater2021SharePlanForfeitableSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2021SharePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2021 Share Plan",
        "label": "Sibanye Stillwater2021 Share Plan [Member]",
        "terseLabel": "Sibanye Stillwater2021 Share Plan"
       }
      }
     },
     "localname": "SibanyeStillwater2021SharePlanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2022SharePlanAndMinimumShareholdingRequirementPlanConditionalSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2022 Share Plan, And Minimum Shareholding Requirement Plan, Conditional And Matching Shares",
        "label": "Sibanye Stillwater2022 Share Plan, And Minimum Shareholding Requirement Plan, Conditional Shares [Member]",
        "terseLabel": "Sibanye Stillwater2022 Share Plan &amp; Minimum Shareholding Requirement Plan, Conditional and matching Shares"
       }
      }
     },
     "localname": "SibanyeStillwater2022SharePlanAndMinimumShareholdingRequirementPlanConditionalSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwater2022SharePlanAndMinimumShareholdingRequirementPlanForfeitableSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater2022 Share Plan, And Minimum Shareholding Requirement Plan, Forfeitable Shares",
        "label": "Sibanye Stillwater2022 Share Plan, And Minimum Shareholding Requirement Plan, Forfeitable Shares [Member]",
        "terseLabel": "Sibanye Stillwater2022 Share Plan &amp; Minimum Shareholding Requirement Plan, Forfeitable Shares"
       }
      }
     },
     "localname": "SibanyeStillwater2022SharePlanAndMinimumShareholdingRequirementPlanForfeitableSharesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SibanyeStillwaterMinimumShareholdingRequirementPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sibanye Stillwater Minimum Shareholding Requirement Plan",
        "label": "Sibanye Stillwater Minimum Shareholding Requirement Plan [Member]",
        "terseLabel": "Sibanye Stillwater Minimum Shareholding Requirement Plan"
       }
      }
     },
     "localname": "SibanyeStillwaterMinimumShareholdingRequirementPlanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SindiswaZilwaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sindiswa Zilwa",
        "label": "Sindiswa Zilwa [Member]",
        "terseLabel": "Sindiswa Zilwa"
       }
      }
     },
     "localname": "SindiswaZilwaMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SiyandaResourcesProprietaryLimitedNoncontrollingInterestMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to Siyanda Resources Proprietary Limited.",
        "label": "Siyanda Resources Proprietary Limited Noncontrolling Interest [Member]",
        "terseLabel": "Siyanda Resources Proprietary Limited"
       }
      }
     },
     "localname": "SiyandaResourcesProprietaryLimitedNoncontrollingInterestMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SouthAfricaRegionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to the entity's South Africa Region, which encompasses South Africa and Zimbabwe.",
        "label": "South Africa Region [Member]",
        "terseLabel": "Southern Africa"
       }
      }
     },
     "localname": "SouthAfricaRegionMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SouthAfricanMiningTaxFormulaRateAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to the South African mining tax formula rate adjustment",
        "label": "South African mining tax formula rate adjustment",
        "terseLabel": "South African gold mining tax formula rate adjustment"
       }
      }
     },
     "localname": "SouthAfricanMiningTaxFormulaRateAdjustment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_StillwaterMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the information pertaining to still water.",
        "label": "Stillwater [Member]",
        "terseLabel": "SGL corporate"
       }
      }
     },
     "localname": "StillwaterMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_StillwaterMiningCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stillwater Mining Company",
        "label": "Stillwater Mining Company [Member]",
        "terseLabel": "Stillwater Mining Company"
       }
      }
     },
     "localname": "StillwaterMiningCompanyMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesChangestobalanceandallocationsofgoodwillinacquisitionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_StreamMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stream",
        "label": "Stream [Member]",
        "terseLabel": "Stream"
       }
      }
     },
     "localname": "StreamMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_StreamingArrangementAdditionalMonthlyAmountsReceivableAsPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The additional amounts to be received monthly under the streaming arrangement, as a percentage based on the value of deliveries.",
        "label": "Streaming Arrangement, Additional Monthly Amounts Receivable, As A Percentage",
        "terseLabel": "Additional monthly amounts receivable, as a percent",
        "verboseLabel": "Monthly cash percentage"
       }
      }
     },
     "localname": "StreamingArrangementAdditionalMonthlyAmountsReceivableAsPercentage",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_StreamingArrangementExpectedLife": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The estimated expected life of the revenue stream.",
        "label": "Streaming Arrangement, Expected Life",
        "terseLabel": "Remaining life"
       }
      }
     },
     "localname": "StreamingArrangementExpectedLife",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_SubordinatedShareholdersLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the information pertaining to subordinated shareholders loan",
        "label": "Subordinated Shareholders Loan [Member]",
        "terseLabel": "Subordinated shareholders loan"
       }
      }
     },
     "localname": "SubordinatedShareholdersLoanMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsRandNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_SundryIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails": {
       "order": 5.0,
       "parentTag": "ifrs-full_OtherIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of sundry income recognised during the period.",
        "label": "Sundry Income",
        "terseLabel": "Sundry income"
       }
      }
     },
     "localname": "SundryIncome",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OthercostsandotherincomeOtherincomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_SusanVanDerMerweMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Susan van der Merwe.",
        "label": "Susan Van Der Merwe [Member]",
        "terseLabel": "Susan van der Merwe"
       }
      }
     },
     "localname": "SusanVanDerMerweMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TakeUpRateUsedForEstimationOfHealthCareObligation": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The take up rate used for estimation of health care obligations.",
        "label": "Take Up Rate Used For Estimation of Health Care Obligation",
        "terseLabel": "Take-up rate (as a percent)"
       }
      }
     },
     "localname": "TakeUpRateUsedForEstimationOfHealthCareObligation",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OccupationalhealthcareobligationNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_TargetShareholdingOfDeemedGuaranteedRemuneration": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Target Shareholding Of Deemed Guaranteed Remuneration",
        "label": "Target Shareholding Of Deemed Guaranteed Remuneration",
        "terseLabel": "Target shareholding"
       }
      }
     },
     "localname": "TargetShareholdingOfDeemedGuaranteedRemuneration",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettled20202021and2022PlanDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_TaxAndRoyaltiesPayableCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition": {
       "order": 7.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The current amount of tax and royalties payable.",
        "label": "Tax and Royalties Payable, Current",
        "terseLabel": "Tax and royalties payable",
        "verboseLabel": "Current portion of tax, carbon tax and royalties payable"
       }
      }
     },
     "localname": "TaxAndRoyaltiesPayableCurrent",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Consolidatedstatementoffinancialposition",
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxCarbonTaxAndRoyaltiesPayable": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails": {
       "order": 2.0,
       "parentTag": "sbsw_NetTaxAndRoyalties",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of tax, carbon tax, and royalties payable at balance sheet date.",
        "label": "Tax Carbon Tax And Royalties Payable",
        "terseLabel": "Tax, carbon tax and royalties payable"
       }
      }
     },
     "localname": "TaxCarbonTaxAndRoyaltiesPayable",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfAmortisationAndDepreciationExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-deductible amortisation and depreciation.",
        "label": "Tax effect of amortisation and depreciation expense not deductible in determining taxable profit (tax loss)",
        "negatedLabel": "Non-deductible amortisation and depreciation"
       }
      }
     },
     "localname": "TaxEffectOfAmortisationAndDepreciationExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfDeferredTaxAssetsNotRecognised": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 16.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to deferred tax assets not recognised.",
        "label": "Tax effect of deferred tax assets not recognised",
        "negatedLabel": "(Deferred tax assets derecognised)/unrecognised deferred tax assets utilised"
       }
      }
     },
     "localname": "TaxEffectOfDeferredTaxAssetsNotRecognised",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfDeferredTaxRateDifferentials": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 17.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax Effect Of Deferred Tax Rate Differentials",
        "label": "Tax Effect Of Deferred Tax Rate Differentials",
        "terseLabel": "Deferred tax rate differentials"
       }
      }
     },
     "localname": "TaxEffectOfDeferredTaxRateDifferentials",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfImpairmentExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 11.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-deductible impairments.",
        "label": "Tax effect of impairment expense not deductible in determining taxable profit (tax loss)",
        "negatedLabel": "Non-taxable reversal of impairments/(non-deductible impairments)"
       }
      }
     },
     "localname": "TaxEffectOfImpairmentExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfNonDeductibleFinanceCharges": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 6.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-deductible finance charges.",
        "label": "Tax Effect of Non Deductible Finance Charges",
        "negatedLabel": "Non-deductible finance expense"
       }
      }
     },
     "localname": "TaxEffectOfNonDeductibleFinanceCharges",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfNonDeductibleTransactionCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 12.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-deductible transaction costs.",
        "label": "Tax Effect of Non Deductible Transaction Costs",
        "negatedLabel": "Non-deductible transaction costs"
       }
      }
     },
     "localname": "TaxEffectOfNonDeductibleTransactionCosts",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfNonTaxableGainNonDeductibleLossOnForeignExchangeDifferences": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 9.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-taxable gain/(non-deductible loss) on foreign exchange differences",
        "label": "Tax effect of non-taxable gain/(non-deductible loss) on foreign exchange differences",
        "terseLabel": "Non-taxable gain on foreign exchange differences"
       }
      }
     },
     "localname": "TaxEffectOfNonTaxableGainNonDeductibleLossOnForeignExchangeDifferences",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfShareBasedPaymentsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to non-deductible share-based payments.",
        "label": "Tax effect of share-based payments expense not deductible in determining taxable profit (tax loss)",
        "negatedLabel": "Non-deductible share-based payments"
       }
      }
     },
     "localname": "TaxEffectOfShareBasedPaymentsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxEffectOfTaxAdjustmentInRespectOfPriorPeriods": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 13.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to tax adjustments in respect of prior periods.",
        "label": "Tax Effect Of Tax Adjustment In Respect Of Prior Periods",
        "negatedLabel": "Tax adjustment in respect of prior periods"
       }
      }
     },
     "localname": "TaxEffectOfTaxAdjustmentInRespectOfPriorPeriods",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxExpenseBenefitDueToAdjustments": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 17.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) on the expenses in order to reconcile net income.",
        "label": "Tax Expense (Benefit) Due to Adjustments",
        "terseLabel": "Tax effect of the items adjusted above"
       }
      }
     },
     "localname": "TaxExpenseBenefitDueToAdjustments",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxExpenseCreditOtherThanIncomeTaxExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails": {
       "order": 4.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax Expense (Credit) Other Than Income Tax Expense",
        "label": "Tax Expense (Credit) Other Than Income Tax Expense",
        "negatedLabel": "Carbon tax",
        "terseLabel": "Carbon tax"
       }
      }
     },
     "localname": "TaxExpenseCreditOtherThanIncomeTaxExpense",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/CashgeneratedbyoperationsDetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxLossesAndUnredeemedCapitalExpenditureMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for temporary differences due to tax losses and unredeemed capital expenditure.",
        "label": "Tax Losses And Unredeemed Capital Expenditure [Member]",
        "terseLabel": "Tax losses and unredeemed capital expenditure"
       }
      }
     },
     "localname": "TaxLossesAndUnredeemedCapitalExpenditureMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxDeferredTaxDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TaxPayableOnAcquisitionOfSubsidiaries": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for tax payable assumed in a business combination.",
        "label": "Tax Payable on Acquisition of Subsidiaries",
        "terseLabel": "Tax receivable on acquisition of subsidiaries"
       }
      }
     },
     "localname": "TaxPayableOnAcquisitionOfSubsidiaries",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxPayableOther": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of tax expense incurred during the period that is not otherwise specified.",
        "label": "Tax Payable, Other",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "TaxPayableOther",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxReceivablesandpayablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TaxationAssetsRecognisedAsOfAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails": {
       "order": 11.0,
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Taxation Assets Recognised As Of Acquisition Date",
        "label": "Taxation Assets Recognised As Of Acquisition Date",
        "terseLabel": "Tax receivable"
       }
      }
     },
     "localname": "TaxationAssetsRecognisedAsOfAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsSandouvilleAssetsliabilitiesGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TermOfAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The period of time for which the agreement is in effect.",
        "label": "Term Of Agreement",
        "terseLabel": "Term of agreement"
       }
      }
     },
     "localname": "TermOfAgreement",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/LossonfinancialinstrumentsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_ThembaNkosiMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Themba Nkosi.",
        "label": "Themba Nkosi [Member]",
        "terseLabel": "Themba Nkosi"
       }
      }
     },
     "localname": "ThembaNkosiMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDirectorsDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettledDirectorsandPrescribedOfficers2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_ThirdTrancheMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Third Tranche",
        "label": "Third Tranche [Member]",
        "terseLabel": "Third tranche"
       }
      }
     },
     "localname": "ThirdTrancheMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberconsiderationpaidandrelatedcostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TimCummingMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Tim Cumming.",
        "label": "Tim Cumming [Member]",
        "verboseLabel": "Timothy Cumming"
       }
      }
     },
     "localname": "TimCummingMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TollTreatmentArrangementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Toll Treatment Arrangement",
        "label": "Toll Treatment Arrangement [Member]",
        "terseLabel": "Toll treatment arrangement"
       }
      }
     },
     "localname": "TollTreatmentArrangementMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RevenueRevenueperproductDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalReconcilingItems": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The reconciling items include items such as adjustments in consolidation, differences between the carrying amount and fair value of the identifiable assets and liabilities on acquisition, accumulated amortisation, the remaining impairment of the bond notes, and foreign exchange differences on translation of assets and liabilities of a foreign joint venture.",
        "label": "Total Reconciling Items",
        "negatedLabel": "Reconciling items",
        "negatedTerseLabel": "Total Reconciling Items"
       }
      }
     },
     "localname": "TotalReconcilingItems",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsMimosaSummaryofFinancialStatementsofMimosaDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofPeregrineDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsSummaryofFinancialStatementsofRandRefineryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TotalShareholderReturnAt0Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 0% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At0 [Member]",
        "terseLabel": "0%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt0Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt100Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 100% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At100 [Member]",
        "terseLabel": "100%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt100Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt10Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 10% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At10 [Member]",
        "terseLabel": "10%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt10Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt20Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 20% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At20 [Member]",
        "terseLabel": "20%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt20Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt30Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 30% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At30 [Member]",
        "terseLabel": "30%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt30Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt40Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 40% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At40 [Member]",
        "terseLabel": "40%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt40Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt50Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 50% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At50 [Member]",
        "terseLabel": "50%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt50Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt60Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 60% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At60 [Member]",
        "terseLabel": "60%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt60Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt70Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 70% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At70 [Member]",
        "terseLabel": "70%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt70Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt80Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 80% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At80 [Member]",
        "terseLabel": "80%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt80Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TotalShareholderReturnAt90Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for performance at 90% percentile on peer group TSR curve.",
        "label": "Total Shareholder Return At90 [Member]",
        "terseLabel": "90%"
       }
      }
     },
     "localname": "TotalShareholderReturnAt90Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TradeAndOtherPayablesRecognisedAsOfAssetAcquisitionDate": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails": {
       "order": 4.0,
       "parentTag": "sbsw_IdentifiableAssetsAcquiredLiabilitiesAssumedAssetAcquisition",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trade And Other Payables Recognised As Of Asset Acquisition Date",
        "label": "Trade And Other Payables Recognised As Of Asset Acquisition Date",
        "negatedTerseLabel": "Trade and other payables"
       }
      }
     },
     "localname": "TradeAndOtherPayablesRecognisedAsOfAssetAcquisitionDate",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/AcquisitionsKeliberAssetsliabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TradeReceivablesPlatinumSalesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for trade receivables platinum sales.",
        "label": "Trade Receivables Platinum Sales [Member]",
        "terseLabel": "Trade receivables \u2014 PGM concentrate sales"
       }
      }
     },
     "localname": "TradeReceivablesPlatinumSalesMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementSignificantfinancialinstrumentsmeasuredatfairvalueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_TransactionCostsRelatedToBorrowingsAndAcquisitionOfAssetsAndAssumptionOfLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails": {
       "order": 15.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/Consolidatedincomestatement": {
       "order": 13.0,
       "parentTag": "sbsw_ProfitLossBeforeRoyaltiesAndTax",
       "weight": -1.0
      },
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails": {
       "order": 7.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of transaction costs related to the acquisition of assets and assumption of liabilities assumed, and borrowings recognised in profit or loss.",
        "label": "Transaction Costs Related To Borrowings and Acquisition Of Assets And Assumption Of Liabilities",
        "negatedLabel": "Transaction costs",
        "verboseLabel": "Transaction costs"
       }
      }
     },
     "localname": "TransactionCostsRelatedToBorrowingsAndAcquisitionOfAssetsAndAssumptionOfLiabilities",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsReconciliationofEBITDADetails",
      "http://www.sibanyegold.co/role/Consolidatedincomestatement",
      "http://www.sibanyegold.co/role/DividendsDividendReconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TransfersRehabilitationObligationFund": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Transfers, Rehabilitation Obligation Fund",
        "label": "Transfers, Rehabilitation Obligation Fund",
        "terseLabel": "Transfer to other investments"
       }
      }
     },
     "localname": "TransfersRehabilitationObligationFund",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationfundsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_TrickleDividendPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The percentage of the trickle dividend.",
        "label": "Trickle Dividend Percentage",
        "terseLabel": "Trickle dividend rate"
       }
      }
     },
     "localname": "TrickleDividendPercentage",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_US1BillionRevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "US$1 Billion Revolving Credit Facility",
        "label": "US$1 Billion Revolving Credit Facility [Member]",
        "terseLabel": "US$1 billion RCF"
       }
      }
     },
     "localname": "US1BillionRevolvingCreditFacilityMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_US350MillionRevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US$350 million revolving credit facility.",
        "label": "U S350 Million Revolving Credit Facility [Member]",
        "terseLabel": "US$350 million RCF"
       }
      }
     },
     "localname": "US350MillionRevolvingCreditFacilityMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_US525MillionSeniorNotesDue2029Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "US$525 million senior notes due 2029",
        "label": "US$525 million senior notes due 2029 [Member]",
        "terseLabel": "US$525 million senior notes due 2029"
       }
      }
     },
     "localname": "US525MillionSeniorNotesDue2029Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_US600MillionRevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertaining to the US$600 million revolving credit facility.",
        "label": "U S600 Million Revolving Credit Facility [Member]",
        "terseLabel": "US$600 million RCF"
       }
      }
     },
     "localname": "US600MillionRevolvingCreditFacilityMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsMarketriskDetails",
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementForeigncurrencyriskDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_US675MillionSeniorNotesDue2026AndUS525MillionSeniorNotesDue2029Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "US$675 million senior notes due 2026 and US$525 million senior notes due 2029",
        "label": "US$675 million senior notes due 2026 and US$525 million senior notes due 2029 [Member]",
        "terseLabel": "2026 and 2029 Notes"
       }
      }
     },
     "localname": "US675MillionSeniorNotesDue2026AndUS525MillionSeniorNotesDue2029Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails",
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_US675MillionSeniorNotesDue2026Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "US$675 million senior notes due 2026",
        "label": "US$675 million senior notes due 2026 [Member]",
        "terseLabel": "US$675 million senior notes due 2026"
       }
      }
     },
     "localname": "US675MillionSeniorNotesDue2026Member",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/Borrowings2026and2029NotesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_USPGMOperationsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "US PGM Operations",
        "label": "US PGM Operations [Member]",
        "terseLabel": "US PGM operations"
       }
      }
     },
     "localname": "USPGMOperationsMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_UndergroundSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Underground Segment",
        "label": "Underground Segment [Member]",
        "terseLabel": "Underground"
       }
      }
     },
     "localname": "UndergroundSegmentMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_UndrawnBorrowingFacilitiesCommitted": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_UndrawnBorrowingFacilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of undrawn borrowing facilities that are committed to future operating activities and capital commitments.",
        "label": "Undrawn Borrowing Facilities, Committed",
        "terseLabel": "Committed undrawn facilities"
       }
      }
     },
     "localname": "UndrawnBorrowingFacilitiesCommitted",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_UndrawnBorrowingFacilitiesUncommitted": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails": {
       "order": 2.0,
       "parentTag": "ifrs-full_UndrawnBorrowingFacilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of undrawn borrowing facilities that are available, but not yet committed, to cover future operating activities and capital commitments.",
        "label": "Undrawn Borrowing Facilities Uncommitted",
        "terseLabel": "Uncommitted undrawn facilities"
       }
      }
     },
     "localname": "UndrawnBorrowingFacilitiesUncommitted",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsInterestratechangesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_UnitedStatesStatutoryTaxRateAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails": {
       "order": 3.0,
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to the United States statutory tax rate adjustment.",
        "label": "United States Statutory Tax Rate Adjustment",
        "negatedLabel": "US statutory tax rate adjustment"
       }
      }
     },
     "localname": "UnitedStatesStatutoryTaxRateAdjustment",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/RoyaltiesminingandincometaxanddeferredtaxRatereconciliationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sbsw_Us1.05BillionBondMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to US currency denominated 1.05 billion bond.",
        "label": "Us1.05 Billion Bond [Member]",
        "terseLabel": "2022 and 2025 Notes"
       }
      }
     },
     "localname": "Us1.05BillionBondMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsBorrowingsandderivativefinancialinstrumentDetails",
      "http://www.sibanyegold.co/role/BorrowingsFairValueDetails",
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_VerkorSAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Verkor SA",
        "label": "Verkor SA [Member]",
        "terseLabel": "Verkor SA"
       }
      }
     },
     "localname": "VerkorSAMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_VestingDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting [Domain]",
        "label": "Vesting [Domain]",
        "terseLabel": "Vesting [Domain]"
       }
      }
     },
     "localname": "VestingDomain",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_VestingLifeOfPartOneOfShareBasedAwards": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting period of first part of share award.",
        "label": "Vesting life of part one of share-based awards",
        "terseLabel": "Vesting life of part one of share-based awards"
       }
      }
     },
     "localname": "VestingLifeOfPartOneOfShareBasedAwards",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_VestingLifeOfPartTwoOfShareBasedAwards": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting period of second part of share award.",
        "label": "Vesting life of part two of share-based awards",
        "terseLabel": "Vesting period of second part of share award"
       }
      }
     },
     "localname": "VestingLifeOfPartTwoOfShareBasedAwards",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sbsw_VestingPercentageOfShareBasedAwards": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting percentage of share-based awards.",
        "label": "Vesting percentage of share-based awards",
        "terseLabel": "Vesting percentage"
       }
      }
     },
     "localname": "VestingPercentageOfShareBasedAwards",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/SharebasedpaymentsEquitysettled2017and2013PlansDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sbsw_VincentMaphaiMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Vincent Maphai.",
        "label": "Vincent Maphai [Member]",
        "terseLabel": "Vincent Maphai"
       }
      }
     },
     "localname": "VincentMaphaiMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_WangBinMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Wang Bin",
        "label": "Wang Bin [Member]",
        "terseLabel": "Wang Bin"
       }
      }
     },
     "localname": "WangBinMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationNonexecutivedirectorfeesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_WayneRobinsonMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This member stands for information pertaining to Wayne Robinson.",
        "label": "Wayne Robinson [Member]",
        "terseLabel": "Wayne Robinson"
       }
      }
     },
     "localname": "WayneRobinsonMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationExecutivedirectorsandprescribedofficersremunerationDetails",
      "http://www.sibanyegold.co/role/DirectorsandprescribedofficersremunerationKeymanagementshareownershipDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_WeightedAverageSharesIssued": {
     "auth_ref": [],
     "calculation": {
      "http://www.sibanyegold.co/role/EarningspershareDetails": {
       "order": 1.0,
       "parentTag": "ifrs-full_WeightedAverageShares",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of ordinary shares in issue at end of period, that is used to determine weighted average shares used to calculate earnings per share during the period.",
        "label": "Weighted average shares issued",
        "terseLabel": "Ordinary shares in issue (\u2019000) (in shares)"
       }
      }
     },
     "localname": "WeightedAverageSharesIssued",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/EarningspershareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sbsw_WesternPlatinumPtyLtdMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Western Platinum Limited.",
        "label": "Western Platinum Pty Ltd [Member]",
        "terseLabel": "Western Platinum Limited"
       }
      }
     },
     "localname": "WesternPlatinumPtyLtdMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsGroupsNCIrelatesDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails",
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_WheatonPreciousMetalsInternationalMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertaining to Wheaton International.",
        "label": "Wheaton Precious Metals International [Member]",
        "terseLabel": "Wheaton Precious Metals International"
       }
      }
     },
     "localname": "WheatonPreciousMetalsInternationalMember",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/DeferredrevenueChangesinDeferredRevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueNarrativeDetails",
      "http://www.sibanyegold.co/role/InterestincomeandfinanceexpenseDetails",
      "http://www.sibanyegold.co/role/RevenueAccountingpolicyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sbsw_WorkingCapital": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The working capital calculated as current assets minus current liabilities.",
        "label": "Working Capital",
        "terseLabel": "Working capital"
       }
      }
     },
     "localname": "WorkingCapital",
     "nsuri": "http://www.sibanyegold.co/20221231",
     "presentation": [
      "http://www.sibanyegold.co/role/FinancialinstrumentsandriskmanagementWorkingcapitalandgoingconcernassessmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "srt_CounterpartyNameAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name [Axis]"
       }
      }
     },
     "localname": "CounterpartyNameAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment, Name [Domain]",
        "terseLabel": "Investment, Name [Domain]"
       }
      }
     },
     "localname": "EquityMethodInvesteeNameDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_EuropeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Europe [Member]",
        "terseLabel": "Europe"
       }
      }
     },
     "localname": "EuropeMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/GoodwillandotherintangiblesEstimatesandAssumptionsUsedintheCalculationofGoodwillDetails",
      "http://www.sibanyegold.co/role/RevenueSourcesofrevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_NorthAmericaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "North America [Member]",
        "terseLabel": "US Region/ Stillwater",
        "verboseLabel": "US PGM operations"
       }
      }
     },
     "localname": "NorthAmericaMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/EnvironmentalrehabilitationobligationandotherprovisionsAssumptionsusedtocalculatetheprovisionDetails",
      "http://www.sibanyegold.co/role/SegmentreportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name [Domain]"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/AccountingpoliciesConsolidationDetails",
      "http://www.sibanyegold.co/role/EquityaccountedinvestmentsPeregrineNarrativeDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledDRDGoldandBEEtransactionsnarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioForecastMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forecast [Member]",
        "terseLabel": "Forecast"
       }
      }
     },
     "localname": "ScenarioForecastMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioUnspecifiedDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Scenario [Domain]",
        "terseLabel": "Scenario, Unspecified [Domain]"
       }
      }
     },
     "localname": "ScenarioUnspecifiedDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment, Name [Axis]",
        "terseLabel": "Investment, Name [Axis]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherinvestmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical [Domain]"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Axis]",
        "terseLabel": "Geographical [Axis]"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/OtherreceivablesandotherpayablesMarikanadividendobligationDetails",
      "http://www.sibanyegold.co/role/SharebasedpaymentsCashsettledMarikanaDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_StatementScenarioAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Scenario [Axis]",
        "terseLabel": "Scenario [Axis]"
       }
      }
     },
     "localname": "StatementScenarioAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.sibanyegold.co/role/BorrowingsUS600millionRCFDetails",
      "http://www.sibanyegold.co/role/DeferredrevenueInputsinmodeltounwinddeferredrevenueDetails",
      "http://www.sibanyegold.co/role/EventsafterreportingdateDetails",
      "http://www.sibanyegold.co/role/NoncontrollinginterestsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    }
   },
   "unitCount": 34
  }
 },
 "std_ref": {
  "r0": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "103",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r1": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "104",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_104&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r10": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "117",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_117_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r100": {
   "Clause": "iv",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "26",
   "Paragraph": "35",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2021-en-r&anchor=para_35_b_iv&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r101": {
   "Clause": "viii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "26",
   "Paragraph": "35",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2021-en-r&anchor=para_35_b_viii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r102": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_16_b_iii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r103": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r104": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_17_b_iii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r105": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r106": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "4",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_4&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r107": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "66",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r108": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "67",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_67&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r109": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "70",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_70_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r11": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "35",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r110": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r111": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "33",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r112": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "34",
   "Paragraph": "16A",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=34&code=ifrs-tx-2021-en-r&anchor=para_16A_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r113": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "126",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_126_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r114": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "126",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_126&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r115": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "129",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_129_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r116": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "130",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r117": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "130",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_d_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r118": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "130",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_g&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r119": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "130",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r12": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r120": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "134",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r121": {
   "Clause": "v",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "134",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_d_v&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r122": {
   "Clause": "v",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "134",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_e_v&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r123": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "135",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_135_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r124": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS36_g126-137_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r125": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r126": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r127": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r128": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r129": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "86",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_86&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r13": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r130": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r131": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r132": {
   "Clause": "vi",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vi&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r133": {
   "Clause": "vii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r134": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r135": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "32A",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_32A&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r136": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "76",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r137": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r138": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "79",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r139": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "41",
   "Paragraph": "50",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=41&code=ifrs-tx-2021-en-r&anchor=para_50&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r14": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r140": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "41",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=41&code=ifrs-tx-2021-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r141": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "10",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r142": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "18",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r143": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r144": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "25",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r145": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "28",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r146": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "31",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r147": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "35",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r148": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "39",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r149": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "40",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_40_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r15": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r150": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "42A",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_42A&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r151": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "42B",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_42B&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r152": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "45",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r153": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "46",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_46&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r154": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "50",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_50_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r155": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_f_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r156": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "28",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r157": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "29",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_29_c_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r158": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "30",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_30_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r159": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "49",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_49_b_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r16": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_g&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r160": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "49",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=8&code=ifrs-tx-2021-en-r&anchor=para_49_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r161": {
   "IssueDate": "2021-01-01",
   "Name": "IFRIC",
   "Number": "5",
   "Section": "Consensus",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRIC&num=5&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRIC05_g7-13_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r162": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r163": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r164": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "32",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r165": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "32",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_32_a_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r166": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "10",
   "Paragraph": "22",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2021-en-r&anchor=para_22&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r167": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r168": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r169": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r17": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_h&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r170": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_12_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r171": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "19",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_19&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r172": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "19B",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_19B_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r173": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "2",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_2_b_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r174": {
   "Clause": "iv",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "21",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_21_a_iv&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r175": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "21",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_21_c_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r176": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r177": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r178": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_ii&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r179": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_iii&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r18": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "i",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r180": {
   "Clause": "iv",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_iv&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r181": {
   "Clause": "ix",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r182": {
   "Clause": "v",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r183": {
   "Clause": "viii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r184": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r185": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_d&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r186": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r187": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B14",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B14_b&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r188": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B16",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B16&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r189": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B4",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r19": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "k",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_k&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r190": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B4",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_b&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r191": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B4",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_c&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r192": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B4",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B4_d&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r193": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r194": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r195": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r196": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r197": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r198": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "97",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_97&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r199": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "14",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2021-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r2": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r20": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "n",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_n&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r200": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "105",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_105&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r201": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "113",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_113_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r202": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "114",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_114&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r203": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "115",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r204": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "116",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r205": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "118",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r206": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "119",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_119&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r207": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "120",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_120_b_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r208": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g110-129_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r209": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Section": "Presentation",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS15_g105-109_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r21": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "o",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_o&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r210": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r211": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r212": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r213": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r214": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r215": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r216": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_h&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r217": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "j",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_j&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r218": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r219": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "58",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_58&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r22": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "q",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_q&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r220": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "94",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r221": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "97",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_97&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r222": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "44",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_44&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r223": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r224": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r225": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r226": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r227": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "50",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_50&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r228": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "51",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_b_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r229": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r23": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "r",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_r&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r230": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r231": {
   "Clause": "iv",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_iv&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r232": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r233": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_g_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r234": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_h_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r235": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "m",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_m&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r236": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "q",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r237": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "q",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_q_ii&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r238": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r239": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_d_ii&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r24": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "55",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r240": {
   "Clause": "v",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_d_v&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r241": {
   "Clause": "vi",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_d_vi&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r242": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r243": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B67",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r244": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Section": "Disclosures",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS03_g59-63__IFRS03_g59-63_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r245": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Section": "Disclosures application of paragraphs 59 and 61",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&doctype=Appendix&subtype=B&dita_xref=IFRS03_gB64-B67_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r246": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r247": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "38",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_38&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r248": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "6",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r249": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "6",
   "Paragraph": "25",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r25": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "56",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_56&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r250": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "11A",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_11A_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r251": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_a_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r252": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "21C",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_21C&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r253": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "22A",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_22A&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r254": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "23B",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_23B_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r255": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "23B",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_23B_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r256": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "24A",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_24A_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r257": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "25",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r258": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "31",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r259": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "33",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r26": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "61",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_61_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r260": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "34",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r261": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35H",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H_b_iii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r262": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35H",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r263": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35I",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r264": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35K",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35K&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r265": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35M",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M_b_iii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r266": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35M",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r267": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "36",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_36&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r268": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "39",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r269": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "40",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_40_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r27": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "61",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_61&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r270": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "42E",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_42E_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r271": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "42I",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_42I&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r272": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "6",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r273": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "7",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r274": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r275": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r276": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_g&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r277": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8_h&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r278": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_8&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r279": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B2",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B2_a&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r28": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "66",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r280": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B52",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B52&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r281": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B8",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B8_c&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r282": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Section": "Defined terms",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&doctype=Appendix&subtype=A&dita_xref=IFRS07_APPA_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r283": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "16",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r284": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r285": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r286": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_g&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r287": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_h&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r288": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r289": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r29": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "69",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_69&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r290": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r291": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r292": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r293": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r294": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r295": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r296": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r297": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "32",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_32&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r298": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "33",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r299": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r3": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r30": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "7",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r300": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "33",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r301": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "34",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r302": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS08_g20-24_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r303": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "9",
   "Paragraph": "7.2.34",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2021-en-r&anchor=para_7.2.34&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r304": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "109",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_109&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r305": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "109A",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_109A&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r306": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r307": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "120",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_120&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r308": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "124",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_124&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r309": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "125",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_125&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r31": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r310": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "127",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r311": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "128",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_128_a_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r312": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "128",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_128_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r313": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "132",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_132_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r314": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "C32",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_C32&doctype=Appendix&subtype=C",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r315": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "9",
   "Paragraph": "7.2.42",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2021-en-r&anchor=para_7.2.42&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r316": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective on first application of IFRS 9",
   "Number": "4",
   "Paragraph": "39L",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39L_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r317": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective on first application of IFRS 9",
   "Number": "4",
   "Paragraph": "39M",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39M_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r318": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective on first application of IFRS 9",
   "Number": "4",
   "Paragraph": "39M",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39M&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r319": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "4",
   "Paragraph": "39J",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39J_b&doctype=Standard&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r32": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r320": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "4",
   "Paragraph": "39J",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39J&doctype=Standard&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r321": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_f&doctype=Standard&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r322": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "102",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_102&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r323": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "103",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r324": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "108",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_108&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r325": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "68",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_68&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r326": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "70",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_70&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r327": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r328": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r329": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r33": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r330": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "IG6",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_IG6&doctype=Implementation%20Guidance",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r331": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "10",
   "Paragraph": "22",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&anchor=para_22_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r332": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "80",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r333": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "80",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r334": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "80",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r335": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "80",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r336": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r337": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37_h&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r338": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "138",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r339": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "138",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_138_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r34": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r340": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "147",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_147_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r341": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "21",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_21_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r342": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "21",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_21_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r343": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "21",
   "Subparagraph": "h",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_21_h&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r344": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "21",
   "Subparagraph": "i",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_21_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r345": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "127",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r346": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "87",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_87&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r347": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Section": "D Examples: disclosures",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D__IAS37_IE_D_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r348": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "37",
   "Section": "Example 10 A court case",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_C_ex10__IAS37_IE_C_ex10_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r349": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "14",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_14_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r35": {
   "Clause": "vi",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_vi&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r350": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "16",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r351": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r352": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "16",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r353": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r354": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r355": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r356": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r357": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r358": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r359": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "50",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_50_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r36": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r360": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Section": "A Statement of cash flows for an entity other than a financial institution",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A__IAS07_IE_A_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r361": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "IG63",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2021-en-r&anchor=para_IG63&doctype=Implementation%20Guidance",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r362": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r363": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "94",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r364": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "B6",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_B6&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r365": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "IE60",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_IE60&doctype=Illustrative%20Examples",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r366": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "IE63",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_IE63&doctype=Illustrative%20Examples",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r367": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r368": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "B89",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_B89_a&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r369": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "B89",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r37": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r370": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "B89",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_B89_c&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r371": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "B89",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_B89_f&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r372": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r373": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r374": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r375": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "IE72",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_IE72&doctype=Illustrative%20Examples",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r376": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35N",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35N&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r377": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "40",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_40_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r378": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "6",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r379": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B11",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11_d&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r38": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81A",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r380": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B11",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r381": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B11D",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r382": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B11D",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B11D&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r383": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B35_f&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r384": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B35_g&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r385": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_B35&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r386": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "IG31A",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r387": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "IG32",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG32&doctype=Implementation%20Guidance",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r388": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "IG40B",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG40B&doctype=Implementation%20Guidance",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r389": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r39": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81A",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r390": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r391": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r392": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "96",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_96_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r393": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective 2023-01-01",
   "Number": "17",
   "Paragraph": "96",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2021-en-r&anchor=para_96_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r394": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Effective on first application of IFRS 9",
   "Number": "4",
   "Paragraph": "39L",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2021-en-b&anchor=para_39L_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r395": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "7",
   "Paragraph": "37",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_b&doctype=Standard&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r396": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "7",
   "Paragraph": "IG29",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29_a&doctype=Implementation%20Guidance&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r397": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r398": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r399": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r4": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r40": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81A",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81A_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r400": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r401": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "15",
   "Subsection": "d-3",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r402": {
   "Name": "Form 10-K",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "310",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r403": {
   "Name": "Form 20-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "220",
   "Subsection": "f",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r404": {
   "Name": "Form 40-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "240",
   "Subsection": "f",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r405": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r406": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r407": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "405",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r408": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "10",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r409": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "102",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_102&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r41": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_a_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r410": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "103",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r411": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "104",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_104&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r412": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r413": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "112",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r414": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "117",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_117_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r415": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "20",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_20_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r416": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "55",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r417": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r418": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r419": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "85",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r42": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_a_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r420": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "80",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_80&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r421": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r422": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r423": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r424": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r425": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r426": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "135",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_135_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r427": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "144",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_144&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r428": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "9",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_9&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r429": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "2",
   "Paragraph": "37",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r43": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_b_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r430": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r431": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "127",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r432": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r433": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "41",
   "Paragraph": "41",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=41&code=ifrs-tx-2021-en-r&anchor=para_41&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r434": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "16",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r435": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r436": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r437": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r438": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r439": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r44": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_81B_b_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r440": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "45",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r441": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r442": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "94",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r443": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r444": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r445": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "39",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r446": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "7",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r447": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "7",
   "Paragraph": "16",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r448": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "7",
   "Paragraph": "37",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_37_b&doctype=Standard&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r449": {
   "IssueDate": "2021-01-01",
   "Name": "IFRS",
   "Note": "Expiry date 2023-01-01",
   "Number": "7",
   "Paragraph": "IG29",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG29&doctype=Implementation%20Guidance&book=b",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r45": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r46": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r47": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r48": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r49": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "90",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_90&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r5": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r50": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "91",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r51": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "98",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r52": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "98",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r53": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "98",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r54": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "98",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r55": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "99",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_99&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r56": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "10",
   "Paragraph": "21",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r57": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "10",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r58": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "79",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r59": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "ab",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_ab&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r6": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d_iii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r60": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r61": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r62": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r63": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r64": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r65": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r66": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "12",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS12_g79-88_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r67": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "c",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_c&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r68": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r69": {
   "Clause": "i",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r7": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r70": {
   "Clause": "ii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r71": {
   "Clause": "iii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_iii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r72": {
   "Clause": "iv",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_iv&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r73": {
   "Clause": "v",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_v&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r74": {
   "Clause": "vii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_vii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r75": {
   "Clause": "viii",
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_viii&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r76": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r77": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r78": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "75",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r79": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "75",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r8": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r80": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "77",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_77_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r81": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "16",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS16_g73-79_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r82": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "140",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r83": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "142",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_142&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r84": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "53",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r85": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "2",
   "Paragraph": "36",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&anchor=para_36_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r86": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "2",
   "Paragraph": "36",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&anchor=para_36_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r87": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "2",
   "Section": "Disclosure",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS02_g36-39__IAS02_g36-39_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r88": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "21",
   "Paragraph": "52",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r89": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "21",
   "Paragraph": "52",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r9": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "107",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_107&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r90": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r91": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r92": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r93": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "17",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r94": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "18",
   "Subparagraph": "b",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r95": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "18",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r96": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "19",
   "Subparagraph": "f",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_19_f&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r97": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "19",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_19&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r98": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "20",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r99": {
   "IssueDate": "2021-01-01",
   "Name": "IAS",
   "Number": "24",
   "Section": "Disclosures",
   "URI": "http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS24_g13-24_TI",
   "URIDate": "2021-03-24",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  }
 },
 "version": "2.2"
}
