{
 "instance": {
  "omf-20200630.htm": {
   "axisCustom": 0,
   "axisStandard": 26,
   "contextCount": 401,
   "dts": {
    "calculationLink": {
     "local": [
      "omf-20200630_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "omf-20200630_def.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-eedm-def-2020-01-31.xml",
      "http://xbrl.fasb.org/srt/2020/elts/srt-eedm1-def-2020-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "omf-20200630.htm"
     ]
    },
    "labelLink": {
     "local": [
      "omf-20200630_lab.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/srt/2020/elts/srt-doc-2020-01-31.xml",
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-doc-2020-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "omf-20200630_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-ref-2020-01-31.xml",
      "http://xbrl.fasb.org/srt/2020/elts/srt-ref-2020-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "omf-20200630.xsd"
     ],
     "remote": [
      "http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd",
      "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/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd",
      "http://xbrl.fasb.org/srt/2020/elts/srt-roles-2020-01-31.xsd",
      "https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.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/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2020/elts/us-parts-codification-2020-01-31.xsd"
     ]
    }
   },
   "elementCount": 528,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2020-01-31": 4,
    "http://www.onemainfinanical.com/20200630": 2,
    "http://xbrl.sec.gov/dei/2019-01-31": 10,
    "total": 16
   },
   "keyCustom": 44,
   "keyStandard": 325,
   "memberCustom": 16,
   "memberStandard": 55,
   "nsprefix": "omf",
   "nsuri": "http://www.onemainfinanical.com/20200630",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001001 - Document - Cover Page",
     "role": "http://www.onemainfinanical.com/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2107103 - Disclosure - Recent Accounting Pronouncements",
     "role": "http://www.onemainfinanical.com/role/RecentAccountingPronouncements",
     "shortName": "Recent Accounting Pronouncements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivablesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2110104 - Disclosure - Finance Receivables",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivables",
     "shortName": "Finance Receivables",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivablesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AllowanceForCreditLossesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2122105 - Disclosure - Allowance for Finance Receivable Losses",
     "role": "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLosses",
     "shortName": "Allowance for Finance Receivable Losses",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AllowanceForCreditLossesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "omf:FinanceReceivablesHeldForSaleDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2126106 - Disclosure - Finance Receivables Held for Sale",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSale",
     "shortName": "Finance Receivables Held for Sale",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "omf:FinanceReceivablesHeldForSaleDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2128107 - Disclosure - Investment Securities",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecurities",
     "shortName": "Investment Securities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2135108 - Disclosure - Long-term Debt",
     "role": "http://www.onemainfinanical.com/role/LongtermDebt",
     "shortName": "Long-term Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:VariableInterestEntityDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2139109 - Disclosure - Variable Interest Entities",
     "role": "http://www.onemainfinanical.com/role/VariableInterestEntities",
     "shortName": "Variable Interest Entities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:VariableInterestEntityDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InsuranceDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2145110 - Disclosure - Insurance",
     "role": "http://www.onemainfinanical.com/role/Insurance",
     "shortName": "Insurance",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InsuranceDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2148111 - Disclosure - Capital Stock and Earnings Per Share (OMH Only)",
     "role": "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnly",
     "shortName": "Capital Stock and Earnings Per Share (OMH Only)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ComprehensiveIncomeNoteTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2153112 - Disclosure - Accumulated Other Comprehensive Income (Loss)",
     "role": "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLoss",
     "shortName": "Accumulated Other Comprehensive Income (Loss)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ComprehensiveIncomeNoteTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001002 - Statement - Condensed Consolidated Balance Sheets",
     "role": "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
     "shortName": "Condensed Consolidated Balance Sheets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:MarketableSecurities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2156113 - Disclosure - Income Taxes",
     "role": "http://www.onemainfinanical.com/role/IncomeTaxes",
     "shortName": "Income Taxes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2158114 - Disclosure - Contingencies",
     "role": "http://www.onemainfinanical.com/role/Contingencies",
     "shortName": "Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2159115 - Disclosure - Segment Information",
     "role": "http://www.onemainfinanical.com/role/SegmentInformation",
     "shortName": "Segment Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2162116 - Disclosure - Fair Value Measurements",
     "role": "http://www.onemainfinanical.com/role/FairValueMeasurements",
     "shortName": "Fair Value Measurements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2208201 - Disclosure - Recent Accounting Pronouncements (Policies)",
     "role": "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies",
     "shortName": "Recent Accounting Pronouncements (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:BusinessCombinationDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "srt:ScheduleOfCondensedBalanceSheetTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2304301 - Disclosure - Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results (Tables)",
     "role": "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsTables",
     "shortName": "Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:BusinessCombinationDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "srt:ScheduleOfCondensedBalanceSheetTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:FinancingReceivablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2311302 - Disclosure - Finance Receivables (Tables)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesTables",
     "shortName": "Finance Receivables (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:FinancingReceivablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:AllowanceForCreditLossesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2323303 - Disclosure - Allowance for Finance Receivable Losses (Tables)",
     "role": "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesTables",
     "shortName": "Allowance for Finance Receivable Losses (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:AllowanceForCreditLossesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2329304 - Disclosure - Investment Securities (Tables)",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecuritiesTables",
     "shortName": "Investment Securities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:LongTermDebtTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2336305 - Disclosure - Long-term Debt (Tables)",
     "role": "http://www.onemainfinanical.com/role/LongtermDebtTables",
     "shortName": "Long-term Debt (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:LongTermDebtTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)",
     "role": "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
     "shortName": "Condensed Consolidated Balance Sheets (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:CommonStockParOrStatedValuePerShare",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "INF",
      "lang": "en-US",
      "name": "us-gaap:CommonStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:VariableInterestEntityDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2340306 - Disclosure - Variable Interest Entities (Tables)",
     "role": "http://www.onemainfinanical.com/role/VariableInterestEntitiesTables",
     "shortName": "Variable Interest Entities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:VariableInterestEntityDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:InsuranceDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2346307 - Disclosure - Insurance (Tables)",
     "role": "http://www.onemainfinanical.com/role/InsuranceTables",
     "shortName": "Insurance (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:InsuranceDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCommonStockOutstandingRollForwardTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2349308 - Disclosure - Capital Stock and Earnings Per Share (OMH Only) (Tables)",
     "role": "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyTables",
     "shortName": "Capital Stock and Earnings Per Share (OMH Only) (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCommonStockOutstandingRollForwardTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:ComprehensiveIncomeNoteTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2354309 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables)",
     "role": "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossTables",
     "shortName": "Accumulated Other Comprehensive Income (Loss) (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:ComprehensiveIncomeNoteTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2360310 - Disclosure - Segment Information (Tables)",
     "role": "http://www.onemainfinanical.com/role/SegmentInformationTables",
     "shortName": "Segment Information (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:FairValueDisclosuresTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2363311 - Disclosure - Fair Value Measurements (Tables)",
     "role": "http://www.onemainfinanical.com/role/FairValueMeasurementsTables",
     "shortName": "Fair Value Measurements (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:FairValueDisclosuresTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ib601b49542f54935b79db8e986cc80e2_I20200630",
      "decimals": "3",
      "first": true,
      "lang": "en-US",
      "name": "omf:CommonStockOwnershipPercentageByRelatedParty",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402401 - Disclosure - Business and Basis of Presentation (Details)",
     "role": "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails",
     "shortName": "Business and Basis of Presentation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ib601b49542f54935b79db8e986cc80e2_I20200630",
      "decimals": "3",
      "first": true,
      "lang": "en-US",
      "name": "omf:CommonStockOwnershipPercentageByRelatedParty",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "us-gaap:BusinessCombinationDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OtherAssets",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405402 - Disclosure - Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results - Reconciliation of SFC to OMH (Details)",
     "role": "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails",
     "shortName": "Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results - Reconciliation of SFC to OMH (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "us-gaap:BusinessCombinationDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i6e0b69e227d5481595ae5e63ebd35c40_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:OtherAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "iec0b609a56c84cd8ac4e7a97ec2d0b93_D20190701-20190701",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityPeriodIncreaseDecrease",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406403 - Disclosure - Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results - Additional Information (Details)",
     "role": "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails",
     "shortName": "Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "iec0b609a56c84cd8ac4e7a97ec2d0b93_D20190701-20190701",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityPeriodIncreaseDecrease",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableAllowanceForCreditLosses",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409404 - Disclosure - Recent Accounting Pronouncements (Details)",
     "role": "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails",
     "shortName": "Recent Accounting Pronouncements (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": "INF",
      "lang": "en-US",
      "name": "omf:NumberOfConsecutivePaymentsMissedToReverseFinanceCharges",
      "reportCount": 1,
      "unique": true,
      "unitRef": "payment",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InterestAndDividendIncomeOperating",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003004 - Statement - Condensed Consolidated Statements of Operations",
     "role": "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
     "shortName": "Condensed Consolidated Statements of Operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:InterestIncomeExpenseNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NotesReceivableGross",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2412405 - Disclosure - Finance Receivables - Additional Information (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
     "shortName": "Finance Receivables - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:FinancingReceivableAllowanceForCreditLosses",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i4e0a1bdd92f44489a5aadd6fbfdcb264_I20200101",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:NotesReceivableGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NotesReceivableGross",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2413406 - Disclosure - Finance Receivables - Net Finance Receivables by Type (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails",
     "shortName": "Finance Receivables - Net Finance Receivables by Type (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "us-gaap:FinancingReceivablesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ic72d7de2c6ad4fc18ee19a46f108c2d7_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableBeforeAllowanceForCreditLossAndFee",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NotesReceivableGross",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2414407 - Disclosure - Finance Receivables - Delinquent and Nonperforming Finance Receivables, by Year of Origination (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails",
     "shortName": "Finance Receivables - Delinquent and Nonperforming Finance Receivables, by Year of Origination (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:PastDueFinancingReceivablesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ic72d7de2c6ad4fc18ee19a46f108c2d7_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NotesReceivableGross",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2415408 - Disclosure - Finance Receivables - Delinquent and Nonperforming Finance Receivables, by Number of Days Deliquent (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
     "shortName": "Finance Receivables - Delinquent and Nonperforming Finance Receivables, by Number of Days Deliquent (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:PastDueFinancingReceivablesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i3338fed6cfe64d95b75467c0be73f45a_I20191231",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableRecordedInvestmentCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:ScheduleofPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "iaf1d64710835468c8b8ef16a93180bf7_I20191231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2416409 - Disclosure - Finance Receivables - Purchased Credit Impaired Finance Receivables HFI (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
     "shortName": "Finance Receivables - Purchased Credit Impaired Finance Receivables HFI (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:ScheduleofPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "iaf1d64710835468c8b8ef16a93180bf7_I20191231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:ChangesInAccretableYieldForPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i8d197944a67f4dcabe1f340e232aba46_I20190331",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2417410 - Disclosure - Finance Receivables - Changes in Accretable Yield For Purchased Credit Impaired HFI and HFS (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
     "shortName": "Finance Receivables - Changes in Accretable Yield For Purchased Credit Impaired HFI and HFS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:ChangesInAccretableYieldForPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i8d197944a67f4dcabe1f340e232aba46_I20190331",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i292d46a2be8f444a9fd8e325026c147c_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "omf:FinancingReceivableModificationsGrossAmountRecordedHeldForSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418411 - Disclosure - Finance Receivables - TDR Finance Receivable HFI and HFS (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails",
     "shortName": "Finance Receivables - TDR Finance Receivable HFI and HFS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i292d46a2be8f444a9fd8e325026c147c_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "omf:FinancingReceivableModificationsGrossAmountRecordedHeldForSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:TDRAverageNetReceivablesHeldForInvestmentAndHeldForSaleAndFinanceChargesRecognizedOnTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "omf:FinancingReceivableModificationsPostModificationAverageRecordedInvestment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2419412 - Disclosure - Finance Receivables - TDR Average Net Receivables HFI and HFS and Finance Charges Recognized (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails",
     "shortName": "Finance Receivables - TDR Average Net Receivables HFI and HFS and Finance Charges Recognized (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:TDRAverageNetReceivablesHeldForInvestmentAndHeldForSaleAndFinanceChargesRecognizedOnTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "omf:FinancingReceivableModificationsPostModificationAverageRecordedInvestment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:ScheduleOfNewVolumeOfTheTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i6aba4f4c033747439b1858146029a42a_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2420413 - Disclosure - Finance Receivables - New Volume of TDR HFI & HFS Finance Receivables (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails",
     "shortName": "Finance Receivables - New Volume of TDR HFI & HFS Finance Receivables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:ScheduleOfNewVolumeOfTheTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i6aba4f4c033747439b1858146029a42a_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:NetFinanceReceivablesThatWereModifiedAsTDRFinanceReceivablesDefaultedWithinThePrevious12MonthsNonperformingTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i6aba4f4c033747439b1858146029a42a_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "omf:FinanceReceivableModificationsSubsequentDefaultRecordedInvestmentHeldforSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2421414 - Disclosure - Finance Receivables - Modified as TDR - Non Performing Finance Receivables (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails",
     "shortName": "Finance Receivables - Modified as TDR - Non Performing Finance Receivables (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "omf:NetFinanceReceivablesThatWereModifiedAsTDRFinanceReceivablesDefaultedWithinThePrevious12MonthsNonperformingTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i6aba4f4c033747439b1858146029a42a_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "omf:FinanceReceivableModificationsSubsequentDefaultRecordedInvestmentHeldforSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004005 - Statement - Condensed Consolidated Statements of Comprehensive Income",
     "role": "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
     "shortName": "Condensed Consolidated Statements of Comprehensive Income",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i8d314a995554435db48c518ac7c320c9_I20191231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableAllowanceForCreditLosses",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2424415 - Disclosure - Allowance for Finance Receivable Losses - Changes in Allowance by Type (Details)",
     "role": "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
     "shortName": "Allowance for Finance Receivable Losses - Changes in Allowance by Type (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock",
       "us-gaap:AllowanceForCreditLossesTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i6aba4f4c033747439b1858146029a42a_D20200401-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:ProvisionForLoanLossesExpensed",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableAllowanceForCreditLosses",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2425416 - Disclosure - Allowance for Finance Receivable Losses - By Type and Impairment Method (Details)",
     "role": "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
     "shortName": "Allowance for Finance Receivable Losses - By Type and Impairment Method (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ic72d7de2c6ad4fc18ee19a46f108c2d7_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "omf:FinanceReceivablesHeldForSaleDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2427417 - Disclosure - Finance Receivables Held for Sale (Details)",
     "role": "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails",
     "shortName": "Finance Receivables Held for Sale (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "omf:FinanceReceivablesHeldForSaleDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "id50915fbd1b64b4f9030d4d307933882_I20190228",
      "decimals": "-6",
      "lang": "en-US",
      "name": "omf:DisposalGroupIncludingDiscontinuedOperationCarryValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2430418 - Disclosure - Investment Securities - Cost/Amortized, Unrealized Gains/Losses & FV on AFS Investment Securities (Details)",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
     "shortName": "Investment Securities - Cost/Amortized, Unrealized Gains/Losses & FV on AFS Investment Securities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
       "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InterestReceivable",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2431419 - Disclosure - Investment Securities - Additional Information (Details)",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails",
     "shortName": "Investment Securities - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i8d314a995554435db48c518ac7c320c9_I20191231",
      "decimals": "INF",
      "lang": "en-US",
      "name": "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "investment",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2432420 - Disclosure - Investment Securities - Fair Value and Unrealized Losses on AFS Investment Securities (Details)",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails",
     "shortName": "Investment Securities - Fair Value and Unrealized Losses on AFS Investment Securities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2433421 - Disclosure - Investment Securities - Contractual Maturities of AFS Investment Securities (Details)",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails",
     "shortName": "Investment Securities - Contractual Maturities of AFS Investment Securities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:TradingSecuritiesDebt",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2434422 - Disclosure - Investment Securities - Fair Value of Other Securities (Details)",
     "role": "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails",
     "shortName": "Investment Securities - Fair Value of Other Securities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:TradingSecuritiesDebt",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "us-gaap:LongTermDebtTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2437423 - Disclosure - Long-term Debt (Details)",
     "role": "http://www.onemainfinanical.com/role/LongtermDebtDetails",
     "shortName": "Long-term Debt (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "us-gaap:LongTermDebtTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "us-gaap:LongTermDebtTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebt",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2438424 - Disclosure - Long-term Debt - Additional Information (Details)",
     "role": "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
     "shortName": "Long-term Debt - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:LongTermDebtTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i4f548ac0798c4a83840be813262bd67f_I20200514",
      "decimals": "5",
      "lang": "en-US",
      "name": "us-gaap:DebtInstrumentInterestRateStatedPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i07ddbf932ed34668ba2b5576495e6e70_I20181231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005006 - Statement - Condensed Consolidated Statements of Shareholders\u2019 Equity",
     "role": "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
     "shortName": "Condensed Consolidated Statements of Shareholders\u2019 Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i994d1e5d423d4d5eb4fca91d53632a65_D20190101-20190630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "omf:CapitalContributionsFromParentAndOther",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2441425 - Disclosure - Variable Interest Entities - Carrying Amount of Consolidated VIEs (Details)",
     "role": "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails",
     "shortName": "Variable Interest Entities - Carrying Amount of Consolidated VIEs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:VariableInterestEntityDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ib3ca517c7f4f4c349c02e7e3e9b13bba_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InterestExpenseBorrowings",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2442426 - Disclosure - Variable Interest Entities - Consolidated VIEs (Details)",
     "role": "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails",
     "shortName": "Variable Interest Entities - Consolidated VIEs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:VariableInterestEntityDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i488c16b5774d474ba9887ee5d20b1f9d_D20200401-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:InterestExpenseBorrowings",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:VariableInterestEntityDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "idb323ce4d0c649e4a54f25aa208b286e_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "omf:LineOfCreditFacilityDrawPeriod",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2443427 - Disclosure - Variable Interest Entities - Securitized Borrowings (Details)",
     "role": "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails",
     "shortName": "Variable Interest Entities - Securitized Borrowings (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:VariableInterestEntityDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "idb323ce4d0c649e4a54f25aa208b286e_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "omf:LineOfCreditFacilityDrawPeriod",
      "reportCount": 1,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2444428 - Disclosure - Variable Interest Entities - Revolving Conduit Facilities (Details)",
     "role": "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails",
     "shortName": "Variable Interest Entities - Revolving Conduit Facilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i408cde42b3ef49c8ad5c61d6e5eab461_I20200630",
      "decimals": "INF",
      "lang": "en-US",
      "name": "omf:LineOfCreditNumberOfBilateralConduitFacilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "facility",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense",
       "us-gaap:InsuranceDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i8d314a995554435db48c518ac7c320c9_I20191231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2447429 - Disclosure - Insurance (Details)",
     "role": "http://www.onemainfinanical.com/role/InsuranceDetails",
     "shortName": "Insurance (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense",
       "us-gaap:InsuranceDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i8d314a995554435db48c518ac7c320c9_I20191231",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "omf:NumberOfClassesOfAuthorizedCapitalStock",
      "reportCount": 1,
      "unique": true,
      "unitRef": "class",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2450430 - Disclosure - Capital Stock and Earnings Per Share (OMH Only) - Additional Information (Details)",
     "role": "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails",
     "shortName": "Capital Stock and Earnings Per Share (OMH Only) - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "omf:NumberOfClassesOfAuthorizedCapitalStock",
      "reportCount": 1,
      "unique": true,
      "unitRef": "class",
      "xsiNil": "false"
     }
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfCommonStockOutstandingRollForwardTableTextBlock",
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ia248c4c7a6914adb925e09afc850e46e_I20200331",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommonStockSharesOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2451431 - Disclosure - Capital Stock and Earnings Per Share (OMH Only) - Changes in Shares Issued and Outstanding (Details)",
     "role": "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyChangesinSharesIssuedandOutstandingDetails",
     "shortName": "Capital Stock and Earnings Per Share (OMH Only) - Changes in Shares Issued and Outstanding (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfCommonStockOutstandingRollForwardTableTextBlock",
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ia248c4c7a6914adb925e09afc850e46e_I20200331",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommonStockSharesOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2452432 - Disclosure - Capital Stock and Earnings Per Share (OMH Only) - Computation of Earnings Per Share (Details)",
     "role": "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
     "shortName": "Capital Stock and Earnings Per Share (OMH Only) - Computation of Earnings Per Share (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "0",
      "lang": "en-US",
      "name": "us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ia248c4c7a6914adb925e09afc850e46e_I20200331",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2455433 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details)",
     "role": "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails",
     "shortName": "Accumulated Other Comprehensive Income (Loss) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
       "us-gaap:ComprehensiveIncomeNoteTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DeferredTaxAssetsNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2457434 - Disclosure - Income Taxes (Details)",
     "role": "http://www.onemainfinanical.com/role/IncomeTaxesDetails",
     "shortName": "Income Taxes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DeferredTaxAssetsNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "us-gaap:EarningsPerShareTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1006007 - Statement - Condensed Consolidated Statements of Cash Flows",
     "role": "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
     "shortName": "Condensed Consolidated Statements of Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:DepreciationAndAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7dce282852da4c75b69855a95b90c9b1_D20200401-20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InterestAndDividendIncomeOperating",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2461435 - Disclosure - Segment Information (Details)",
     "role": "http://www.onemainfinanical.com/role/SegmentInformationDetails",
     "shortName": "Segment Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i5a7b2d6a86954d6fab9fe5f102b96bb5_D20200401-20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:InterestAndDividendIncomeOperating",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2464436 - Disclosure - Fair Value Measurements - Fair Value & Carrying Value Hierarchy Basis (Details)",
     "role": "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails",
     "shortName": "Fair Value Measurements - Fair Value & Carrying Value Hierarchy Basis (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
       "us-gaap:FairValueDisclosuresTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "ia90726b2586f4632bb8244b7da1607a0_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
       "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i7e034a13918a4943b76015943ea2adc5_I20200630",
      "decimals": "-6",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2465437 - Disclosure - Fair Value Measurements - Assets at Fair Value Recurring Basis (Details)",
     "role": "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
     "shortName": "Fair Value Measurements - Assets at Fair Value Recurring Basis (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "id8d63c4a129a4a558db2a1b5f0bb7d1c_I20200630",
      "decimals": "-6",
      "lang": "en-US",
      "name": "omf:CashAndCashEquivalentsInMutualFundsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101101 - Disclosure - Business and Basis of Presentation",
     "role": "http://www.onemainfinanical.com/role/BusinessandBasisofPresentation",
     "shortName": "Business and Basis of Presentation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessCombinationDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2103102 - Disclosure - Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results",
     "role": "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResults",
     "shortName": "Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "omf-20200630.htm",
      "contextRef": "i88606b8747174803996165b2c68652ba_D20200101-20200630",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessCombinationDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 75,
   "tag": {
    "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]",
        "terseLabel": "Cover page."
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY 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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentQuarterlyReport": {
     "auth_ref": [
      "r541"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an quarterly report.",
        "label": "Document Quarterly Report",
        "terseLabel": "Document Quarterly Report"
       }
      }
     },
     "localname": "DocumentQuarterlyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r542"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r543"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/CoverPage",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r543"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r543"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInformationFormerLegalOrRegisteredName": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Former Legal or Registered Name of an entity",
        "label": "Entity Information, Former Legal or Registered Name",
        "terseLabel": "Entity Information, Former Legal or Registered Name"
       }
      }
     },
     "localname": "EntityInformationFormerLegalOrRegisteredName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r544"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r543"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r543"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r543"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).",
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business"
       }
      }
     },
     "localname": "EntitySmallBusiness",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r543"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "employerIdItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/CoverPage",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r539"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r540"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CoverPage"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "omf_Allowanceforfinancereceivablelossesasapercentageoffinancereceivables": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Allowance for finance receivable losses as a percentage of finance receivables",
        "label": "Allowance for finance receivable losses as a percentage of finance receivables",
        "terseLabel": "Allowance for finance receivable losses as a percentage of finance receivables"
       }
      }
     },
     "localname": "Allowanceforfinancereceivablelossesasapercentageoffinancereceivables",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "omf_AmountOutstandingUnderSecuritizationTransaction": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents amounts drawn under the securitization transaction as of the balance sheet date.",
        "label": "Amount Outstanding Under Securitization Transaction",
        "terseLabel": "Amounts drawn",
        "verboseLabel": "Amounts drawn"
       }
      }
     },
     "localname": "AmountOutstandingUnderSecuritizationTransaction",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_AvailableForSaleSecuritiesSoldOrRedeemedFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the fair value of investment securities sold or redeemed.",
        "label": "Available-for-sale Securities, Sold or Redeemed Fair Value Disclosure",
        "terseLabel": "Proceeds from sales and redemptions"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesSoldOrRedeemedFairValueDisclosure",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_CapitalContributionsFromParentAndOther": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the additional paid-in capital or capital from other sources not otherwise defined.",
        "label": "Capital Contributions from Parent and Other",
        "terseLabel": "Contribution of SCHC to OMFC from SFI"
       }
      }
     },
     "localname": "CapitalContributionsFromParentAndOther",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_CashAndCashEquivalentsInInvestmentSecuritiesFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash and Cash Equivalents in Investment Securities, Fair Value Disclosure",
        "label": "Cash and Cash Equivalents in Investment Securities, Fair Value Disclosure",
        "terseLabel": "Cash equivalents in securities"
       }
      }
     },
     "localname": "CashAndCashEquivalentsInInvestmentSecuritiesFairValueDisclosure",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_CashAndCashEquivalentsInMutualFundsFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the fair value of cash and cash equivalents in mutual funds.",
        "label": "Cash and Cash Equivalents in Mutual Funds, Fair Value Disclosure",
        "terseLabel": "Cash equivalents in mutual funds"
       }
      }
     },
     "localname": "CashAndCashEquivalentsInMutualFundsFairValueDisclosure",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_CertificatesofDepositandCommercialPaperMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Certificates of Deposit and Commercial Paper [Member]",
        "label": "Certificates of Deposit and Commercial Paper [Member]",
        "verboseLabel": "Commercial paper"
       }
      }
     },
     "localname": "CertificatesofDepositandCommercialPaperMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_ChangesInAccretableYieldForPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Changes in accretable yield for purchased credit impaired finance receivables held for investment and held for sale [Table Text Block]",
        "label": "Changes In Accretable Yield For Purchased Credit Impaired Finance Receivables Held For Investment And Held For Sale [Table Text Block]",
        "terseLabel": "Changes in accretable yield for purchased credit impaired finance receivables held for investment and held for sale"
       }
      }
     },
     "localname": "ChangesInAccretableYieldForPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_CommonStockOwnershipPercentageByRelatedParty": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the entity's common stock owned by the related party.",
        "label": "Common Stock Ownership Percentage by Related Party",
        "verboseLabel": "Ownership percentage by Initial Stockholder"
       }
      }
     },
     "localname": "CommonStockOwnershipPercentageByRelatedParty",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "omf_ConsumerAndInsuranceSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents information pertaining to the consumer and insurance segment which originates and services personal loans and offers credit insurance, non-credit insurance and ancillary products.",
        "label": "Consumer and Insurance Segment [Member]",
        "terseLabel": "Consumer and Insurance"
       }
      }
     },
     "localname": "ConsumerAndInsuranceSegmentMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_DebtIssuanceCostsExcludedFromDirectDeductionFromLongTermDebt": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Issuance Costs, Excluded From Direct Deduction From Long Term Debt",
        "label": "Debt Issuance Costs, Excluded From Direct Deduction From Long Term Debt",
        "terseLabel": "Debt issuance costs"
       }
      }
     },
     "localname": "DebtIssuanceCostsExcludedFromDirectDeductionFromLongTermDebt",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_DeferredAndAccruedIncomeTaxes": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances, as well as the carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations and other non-income based tax obligations due.",
        "label": "Deferred and Accrued Income Taxes",
        "terseLabel": "Deferred and accrued taxes",
        "verboseLabel": "Deferred and accrued taxes"
       }
      }
     },
     "localname": "DeferredAndAccruedIncomeTaxes",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_DisposalGroupIncludingDiscontinuedOperationCarryValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disposal Group Including Discontinued Operation Carry Value",
        "label": "Disposal Group Including Discontinued Operation Carry Value",
        "terseLabel": "Carrying value"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationCarryValue",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_EightPointEightSevenFiveSeniorNotesDueTwentyTwentyFiveMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Eight Point Eight Seven Five Senior Notes Due Twenty Twenty Five",
        "label": "Eight Point Eight Seven Five Senior Notes Due Twenty Twenty Five [Member]",
        "terseLabel": "8.75% Senior Notes Due 2025"
       }
      }
     },
     "localname": "EightPointEightSevenFiveSeniorNotesDueTwentyTwentyFiveMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_EightPointTwoFiveSeniorNotesDueTwentyTwentyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Eight Point Two Five Senior Notes Due Twenty Twenty",
        "label": "Eight Point Two Five Senior Notes Due Twenty Twenty [Member]",
        "terseLabel": "8.25% Senior Notes Due 2020"
       }
      }
     },
     "localname": "EightPointTwoFiveSeniorNotesDueTwentyTwentyMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_February2019RealEstateLoanSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "February 2019 Real Estate Loan Sale",
        "label": "February 2019 Real Estate Loan Sale [Member]",
        "terseLabel": "February 2019 Real Estate Loan Sale"
       }
      }
     },
     "localname": "February2019RealEstateLoanSaleMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_FinanceReceivableModificationsSubsequentDefaultRecordedInvestmentHeldforSale": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance Receivable, Modifications, Subsequent Default, Recorded Investment, Held for Sale",
        "label": "Finance Receivable, Modifications, Subsequent Default, Recorded Investment, Held for Sale",
        "terseLabel": "TDR net finance receivables"
       }
      }
     },
     "localname": "FinanceReceivableModificationsSubsequentDefaultRecordedInvestmentHeldforSale",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinanceReceivablesHeldForSaleDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for finance receivables held for sale including the activity on the reserve for sales recourse obligations.",
        "label": "Finance Receivables Held For Sale Disclosure [Text Block]",
        "terseLabel": "Finance Receivables Held for Sale"
       }
      }
     },
     "localname": "FinanceReceivablesHeldForSaleDisclosureTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSale"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_FinancialAssetCurrentAndLessThan30DaysPastDueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial Asset, Current And Less Than 30 Days Past Due",
        "label": "Financial Asset, Current And Less Than 30 Days Past Due [Member]",
        "terseLabel": "Current"
       }
      }
     },
     "localname": "FinancialAssetCurrentAndLessThan30DaysPastDueMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_FinancingReceivableModificationsAllowanceForCreditLosses": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLosses",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Allowance for Credit Losses",
        "label": "Financing Receivable, Modifications, Allowance For Credit Losses",
        "terseLabel": "Allowance for TDR finance receivable losses",
        "verboseLabel": "TDR finance receivables"
       }
      }
     },
     "localname": "FinancingReceivableModificationsAllowanceForCreditLosses",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsGrossAmountRecorded": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Gross Amount Recorded",
        "label": "Financing Receivable, Modifications, Gross Amount Recorded",
        "terseLabel": "TDR gross receivables, personal loans"
       }
      }
     },
     "localname": "FinancingReceivableModificationsGrossAmountRecorded",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsGrossAmountRecordedHeldForSale": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Gross Amount Recorded, Held-for-Sale",
        "label": "Financing Receivable, Modifications, Gross Amount Recorded, Held-For-Sale",
        "terseLabel": "TDR gross receivables, held for sale"
       }
      }
     },
     "localname": "FinancingReceivableModificationsGrossAmountRecordedHeldForSale",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsInterestIncomeRecognized": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Interest Income Recognized",
        "label": "Financing Receivable, Modifications, Interest Income Recognized",
        "terseLabel": "TDR finance charges recognized"
       }
      }
     },
     "localname": "FinancingReceivableModificationsInterestIncomeRecognized",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsPostModificationAverageRecordedInvestment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Post-Modification Average Recorded",
        "label": "Financing Receivable, Modifications, Post-Modification Average Recorded Investment",
        "terseLabel": "TDR average net receivables"
       }
      }
     },
     "localname": "FinancingReceivableModificationsPostModificationAverageRecordedInvestment",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsRecordedInvestmentHeldForSale": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Recorded Investment, Held-for-Sale",
        "label": "Financing Receivable, Modifications, Recorded Investment, Held-For-Sale",
        "terseLabel": "TDR net receivables, held for sale"
       }
      }
     },
     "localname": "FinancingReceivableModificationsRecordedInvestmentHeldForSale",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsRecordedInvestmentIncludingHeldForSale": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Recorded Investment, Including Held-for-Sale",
        "label": "Financing Receivable, Modifications, Recorded Investment, Including Held-For-Sale",
        "terseLabel": "TDR net receivables, personal loans"
       }
      }
     },
     "localname": "FinancingReceivableModificationsRecordedInvestmentIncludingHeldForSale",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivableModificationsSubsequentDefaultNumberofContractsHeldforSale": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Modifications, Subsequent Default, Number of Contracts, Held for Sale",
        "label": "Financing Receivable, Modifications, Subsequent Default, Number of Contracts, Held for Sale",
        "terseLabel": "Number of TDR accounts"
       }
      }
     },
     "localname": "FinancingReceivableModificationsSubsequentDefaultNumberofContractsHeldforSale",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "omf_FinancingReceivableUnearnedPointsAndFees": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Unearned Points And Fees",
        "label": "Financing Receivable, Unearned Points And Fees",
        "negatedTerseLabel": "Unearned points and fees"
       }
      }
     },
     "localname": "FinancingReceivableUnearnedPointsAndFees",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivables90To179DaysPastDueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivables, 90 To 179 Days Past Due [Member]",
        "label": "Financing Receivables, 90 To 179 Days Past Due [Member]",
        "terseLabel": "90-179 days past due"
       }
      }
     },
     "localname": "FinancingReceivables90To179DaysPastDueMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_FinancingReceivablesAccruedFinanceCharges": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivables, Accrued Finance Charges",
        "label": "Financing Receivables, Accrued Finance Charges",
        "terseLabel": "Accrued finance charges"
       }
      }
     },
     "localname": "FinancingReceivablesAccruedFinanceCharges",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivablesDeferredOriginationCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivables, Deferred Origination Costs",
        "label": "Financing Receivables, Deferred Origination Costs",
        "terseLabel": "Deferred origination costs"
       }
      }
     },
     "localname": "FinancingReceivablesDeferredOriginationCosts",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_FinancingReceivablesEqualToGreaterThan180DaysPastDueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivables Equal To Greater Than 180 Days Past Due",
        "label": "Financing Receivables Equal To Greater Than 180 Days Past Due [Member]",
        "terseLabel": "180 days or more past due"
       }
      }
     },
     "localname": "FinancingReceivablesEqualToGreaterThan180DaysPastDueMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_FinancingReceivablesOriginalTerm": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the original term of financing receivables.",
        "label": "Financing Receivables, Original Term",
        "terseLabel": "Finance receivables, original term"
       }
      }
     },
     "localname": "FinancingReceivablesOriginalTerm",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "omf_GainLossOnRepurchaseAndRepaymentOfDebtInstrument": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_NoninterestIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase, excluding deferred cost write-offs and premiums paid.",
        "label": "Gain (Loss) On Repurchase And Repayment Of Debt Instrument",
        "negatedLabel": "Net loss on repurchase and repayment of debt",
        "terseLabel": "Net loss on repurchase and repayment of debt"
       }
      }
     },
     "localname": "GainLossOnRepurchaseAndRepaymentOfDebtInstrument",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_InvestmentImpairmentsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for assessing, recognizing and measuring impairment of investments in financial assets, including marketable securities (debt and equity securities with readily determinable fair values), investments accounted for under the equity method and cost method, securities borrowed and loaned, and repurchase and resale agreements.",
        "label": "Investment Impairments Policy [Policy Text Block]",
        "terseLabel": "Impairments on Investment Securities"
       }
      }
     },
     "localname": "InvestmentImpairmentsPolicyPolicyTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_LiabilityForUnpaidClaimsAndClaimsAdjustmenExpenseNetAdjusted": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Liability For Unpaid Claims And Claims Adjustment Expense, Net, Adjusted",
        "label": "Liability For Unpaid Claims And Claims Adjustmen Expense, Net, Adjusted",
        "terseLabel": "Net balance at beginning of period"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmenExpenseNetAdjusted",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_LineOfCreditFacilityDrawPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Draw Period",
        "label": "Line Of Credit Facility, Draw Period",
        "terseLabel": "Revolving period"
       }
      }
     },
     "localname": "LineOfCreditFacilityDrawPeriod",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "omf_LineOfCreditNumberOfBilateralConduitFacilities": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line Of Credit, Number Of Bilateral Conduit Facilities",
        "label": "Line Of Credit, Number Of Bilateral Conduit Facilities",
        "terseLabel": "Number of conduit facilities"
       }
      }
     },
     "localname": "LineOfCreditNumberOfBilateralConduitFacilities",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "omf_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Long Term Debt Maturities, Repayments Of Principal After Year Four",
        "label": "Long Term Debt Maturities, Repayments Of Principal After Year Four",
        "terseLabel": "2025-2067"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_LongTermDebtWithVariableMonthlyRepaymentsOfPrincipal": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the amount of long-term debt with variable monthly repayments of the principal.",
        "label": "Long Term Debt with Variable Monthly Repayments of Principal",
        "terseLabel": "Securitizations"
       }
      }
     },
     "localname": "LongTermDebtWithVariableMonthlyRepaymentsOfPrincipal",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_NetFinanceReceivablesThatWereModifiedAsTDRFinanceReceivablesDefaultedWithinThePrevious12MonthsNonperformingTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "[Table Text Block]Net finance receivables that were modified as TDR finance receivables defaulted within the previous 12 months nonperforming [Table]",
        "label": "Net Finance Receivables That Were Modified As TDR Finance Receivables Defaulted Within The Previous 12 Months Nonperforming [Table Text Block]",
        "terseLabel": "Net finance receivables that were modified as TDR finance receivables defaulted within the previous 12 months nonperforming"
       }
      }
     },
     "localname": "NetFinanceReceivablesThatWereModifiedAsTDRFinanceReceivablesDefaultedWithinThePrevious12MonthsNonperformingTableTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_NonUSgovernmentandgovernmentsponsoredentitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non-US government and government sponsored entities: Debentures, bonds and other debt securities are NOT issued by US government sponsored entities (GSEs)",
        "label": "Non-US government and government sponsored entities [Member]",
        "terseLabel": "Non-U.S. government and government sponsored entities"
       }
      }
     },
     "localname": "NonUSgovernmentandgovernmentsponsoredentitiesMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_NoncashContributionFromParent": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncash Contribution From Parent",
        "label": "Noncash Contribution From Parent",
        "terseLabel": "Non-cash contribution of SCLH"
       }
      }
     },
     "localname": "NoncashContributionFromParent",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_NumberOfClassesOfAuthorizedCapitalStock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the number of classes of authorized capital stock of the entity.",
        "label": "Number Of Classes Of Authorized Capital Stock",
        "terseLabel": "Number of classes of authorized stock"
       }
      }
     },
     "localname": "NumberOfClassesOfAuthorizedCapitalStock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "omf_NumberOfConsecutivePaymentsMissedToReverseFinanceCharges": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of Consecutive Payments Missed To Reverse Finance Charges",
        "label": "Number of Consecutive Payments Missed To Reverse Finance Charges",
        "terseLabel": "Number of consecutive payments missed to reverse finance charges"
       }
      }
     },
     "localname": "NumberOfConsecutivePaymentsMissedToReverseFinanceCharges",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "omf_OneMainFinanceCorporationMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents OneMain Finance Corporation, a wholly owned subsidiary of SFI.",
        "label": "OneMain Finance Corporation [Member]",
        "terseLabel": "OMFC"
       }
      }
     },
     "localname": "OneMainFinanceCorporationMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/CoverPage",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_OneMainHoldingsIncMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "OneMain Holdings, Inc.",
        "label": "OneMain Holdings, Inc. [Member]",
        "terseLabel": "OMH"
       }
      }
     },
     "localname": "OneMainHoldingsIncMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_OtherLiabilitiesObligationCarryingValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Liabilities, Obligation Carrying Value",
        "label": "Other Liabilities, Obligation Carrying Value",
        "terseLabel": "Other liabilities"
       }
      }
     },
     "localname": "OtherLiabilitiesObligationCarryingValue",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_OtherReceivablesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Receivables [Member]",
        "label": "Other Receivables [Member]",
        "verboseLabel": "Other Receivables"
       }
      }
     },
     "localname": "OtherReceivablesMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_ProceedsFromSalesAndPrincipalCollectionsOnFinanceReceivablesHeldForSaleOriginatedAsHeldForInvestment": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents sales and principal collections on finance receivables held for sale originated as held for investment by the reporting entity during the reporting period.",
        "label": "Proceeds from Sales and Principal Collections on Finance Receivables Held For Sale Originated as Held-for-investment",
        "terseLabel": "Proceeds on sale of finance receivables held for sale originated as held for investment",
        "verboseLabel": "Aggregate cash proceeds from sale of real estate loans"
       }
      }
     },
     "localname": "ProceedsFromSalesAndPrincipalCollectionsOnFinanceReceivablesHeldForSaleOriginatedAsHeldForInvestment",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_RestrictedCashInMutualFundsFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the fair value of restricted cash in mutual funds.",
        "label": "Restricted Cash in Mutual Funds Fair Value Disclosure",
        "terseLabel": "Restricted cash equivalents in mutual funds"
       }
      }
     },
     "localname": "RestrictedCashInMutualFundsFairValueDisclosure",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_ReversalOfNetAccruedFinanceCharges": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Reversal Of Net Accrued Finance Charges",
        "label": "Reversal Of Net Accrued Finance Charges",
        "terseLabel": "Reversal of net accrued finance charges"
       }
      }
     },
     "localname": "ReversalOfNetAccruedFinanceCharges",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "omf_ScheduleOfNewVolumeOfTheTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "[Table Text Block] for Schedule of new volume of the TDR finance receivables held for investment and held for sale [Table]",
        "label": "Schedule Of New Volume Of The TDR Finance Receivables Held For Investment And Held For Sale [Table Text Block]",
        "terseLabel": "Schedule of new volume of the TDR finance receivables held for investment and held for sale"
       }
      }
     },
     "localname": "ScheduleOfNewVolumeOfTheTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_ScheduleofPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of purchased credit impaired finance receivables held for investment and held for sale [Table Text Block]",
        "label": "Schedule of Purchased Credit Impaired Finance Receivables Held For Investment And Held For Sale [Table Text Block]",
        "terseLabel": "Schedule of purchased credit impaired finance receivables held for investment"
       }
      }
     },
     "localname": "ScheduleofPurchasedCreditImpairedFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_SecuritizationMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents details pertaining to the securitizations of the entity.",
        "label": "Securitization [Member]",
        "verboseLabel": "Securitizations"
       }
      }
     },
     "localname": "SecuritizationMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_ShareDataAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Share Data [Abstract]",
        "terseLabel": "Share Data:"
       }
      }
     },
     "localname": "ShareDataAbstract",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "omf_SpringleafConsumerLoanHoldingCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Springleaf Consumer Loan Holding Company",
        "label": "Springleaf Consumer Loan Holding Company [Member]",
        "terseLabel": "SCLH"
       }
      }
     },
     "localname": "SpringleafConsumerLoanHoldingCompanyMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_SpringleafFinanceIncMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents information pertaining to Springleaf Finance, Inc., the direct parent of the entity.",
        "label": "Springleaf Finance, Inc [Member]",
        "terseLabel": "SFI"
       }
      }
     },
     "localname": "SpringleafFinanceIncMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_SpringleafMortgageHoldingCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Springleaf Mortgage Holding Company",
        "label": "Springleaf Mortgage Holding Company [Member]",
        "terseLabel": "SMHC"
       }
      }
     },
     "localname": "SpringleafMortgageHoldingCompanyMember",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "omf_TDRAverageNetReceivablesHeldForInvestmentAndHeldForSaleAndFinanceChargesRecognizedOnTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "[Table Text Block] for TDR average net receivables held for investment and held for sale and finance charges recognized on TDR finance receivables held for investment and held for sale [Table]",
        "label": "TDR Average Net Receivables Held For Investment And Held For Sale And Finance Charges Recognized On TDR Finance Receivables Held For Investment And Held For Sale [Table Text Block]",
        "terseLabel": "TDR average net receivables held for investment and held for sale and finance charges recognized on TDR finance receivables held for investment and held for sale"
       }
      }
     },
     "localname": "TDRAverageNetReceivablesHeldForInvestmentAndHeldForSaleAndFinanceChargesRecognizedOnTDRFinanceReceivablesHeldForInvestmentAndHeldForSaleTableTextBlock",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "omf_UnearnedPremiumsAndLiabilityForUnpaidClaimsAndClaimAdjustmentExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_NotesReceivableNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unearned Premiums And Liability For Unpaid Claims And Claim Adjustment Expense",
        "label": "Unearned Premiums And Liability For Unpaid Claims And Claim Adjustment Expense",
        "negatedTerseLabel": "Unearned insurance premium and claim reserves"
       }
      }
     },
     "localname": "UnearnedPremiumsAndLiabilityForUnpaidClaimsAndClaimAdjustmentExpense",
     "nsuri": "http://www.onemainfinanical.com/20200630",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "srt_AffiliatedEntityMember": {
     "auth_ref": [
      "r301",
      "r404",
      "r405",
      "r406",
      "r538",
      "r546"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An affiliate is a party that, directly or indirectly through one or more intermediaries, controls, is controlled by, or is under common control with the entity.",
        "label": "Affiliated Entity [Member]",
        "terseLabel": "Affiliated Entity"
       }
      }
     },
     "localname": "AffiliatedEntityMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidatedEntitiesAxis": {
     "auth_ref": [
      "r354",
      "r355",
      "r359",
      "r360",
      "r538",
      "r546"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by consolidated entity or group of entities.",
        "label": "Consolidated Entities [Axis]",
        "terseLabel": "Consolidated Entities [Axis]"
       }
      }
     },
     "localname": "ConsolidatedEntitiesAxis",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidatedEntitiesDomain": {
     "auth_ref": [
      "r354",
      "r355",
      "r359",
      "r360"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Entity or group of entities consolidated into reporting entity.",
        "label": "Consolidated Entities [Domain]",
        "terseLabel": "Consolidated Entities [Domain]"
       }
      }
     },
     "localname": "ConsolidatedEntitiesDomain",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidationEliminationsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Eliminating entries used in consolidating a parent entity and its subsidiaries.",
        "label": "Consolidation, Eliminations [Member]",
        "terseLabel": "Difference"
       }
      }
     },
     "localname": "ConsolidationEliminationsMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidationItemsAxis": {
     "auth_ref": [
      "r137",
      "r150",
      "r151",
      "r152",
      "r153",
      "r155",
      "r157",
      "r161"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Axis]",
        "terseLabel": "Consolidation Items [Axis]"
       }
      }
     },
     "localname": "ConsolidationItemsAxis",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidationItemsDomain": {
     "auth_ref": [
      "r137",
      "r150",
      "r151",
      "r152",
      "r153",
      "r155",
      "r157",
      "r161"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Domain]",
        "terseLabel": "Consolidation Items [Domain]"
       }
      }
     },
     "localname": "ConsolidationItemsDomain",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CounterpartyNameAxis": {
     "auth_ref": [
      "r30",
      "r80",
      "r548"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of counterparty. A counterparty is the other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution.",
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name [Axis]"
       }
      }
     },
     "localname": "CounterpartyNameAxis",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember": {
     "auth_ref": [
      "r90",
      "r101",
      "r222",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents amount after cumulative-effect adjustment to financial statements in period of adoption of amendment to accounting standards.",
        "label": "Cumulative Effect, Period of Adoption, Adjusted Balance [Member]",
        "terseLabel": "Balance post-adoption"
       }
      }
     },
     "localname": "CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember": {
     "auth_ref": [
      "r90",
      "r101",
      "r222",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (decrease) to financial statements for cumulative-effect adjustment in period of adoption of amendment to accounting standards.",
        "label": "Cumulative Effect, Period of Adoption, Adjustment [Member]",
        "terseLabel": "Net impact of adoption of ASU 2016-13",
        "verboseLabel": "One-time cumulative effect"
       }
      }
     },
     "localname": "CumulativeEffectPeriodOfAdoptionAdjustmentMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CumulativeEffectPeriodOfAdoptionAxis": {
     "auth_ref": [
      "r90",
      "r101",
      "r222",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by cumulative-effect adjustment to financial statements in period of adoption of amendment to accounting standards.",
        "label": "Cumulative Effect, Period of Adoption [Axis]",
        "terseLabel": "Cumulative Effect, Period of Adoption [Axis]"
       }
      }
     },
     "localname": "CumulativeEffectPeriodOfAdoptionAxis",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_CumulativeEffectPeriodOfAdoptionDomain": {
     "auth_ref": [
      "r90",
      "r101",
      "r222",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cumulative-effect adjustment to financial statements in period of adoption of amendment to accounting standards.",
        "label": "Cumulative Effect, Period of Adoption [Domain]",
        "terseLabel": "Cumulative Effect, Period of Adoption [Domain]"
       }
      }
     },
     "localname": "CumulativeEffectPeriodOfAdoptionDomain",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [
      "r304",
      "r307",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r440",
      "r520",
      "r521"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Upper limit of the provided range.",
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [
      "r304",
      "r307",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r440",
      "r520",
      "r521"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lower limit of the provided range.",
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [
      "r293",
      "r304",
      "r307",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r440",
      "r520",
      "r521"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [
      "r293",
      "r304",
      "r307",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r440",
      "r520",
      "r521"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Statistical Measurement [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Named other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution.",
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name [Domain]"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioForecastMember": {
     "auth_ref": [
      "r305",
      "r545"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information reported for future period.",
        "label": "Forecast [Member]",
        "terseLabel": "Forecast"
       }
      }
     },
     "localname": "ScenarioForecastMember",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioUnspecifiedDomain": {
     "auth_ref": [
      "r305"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.",
        "label": "Scenario [Domain]",
        "terseLabel": "Scenario [Domain]"
       }
      }
     },
     "localname": "ScenarioUnspecifiedDomain",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScheduleOfCondensedBalanceSheetTableTextBlock": {
     "auth_ref": [
      "r547"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations.",
        "label": "Condensed Balance Sheet [Table Text Block]",
        "terseLabel": "Reconciliation of consolidated balance sheets and results of consolidated statements of operations of SFC to OMH"
       }
      }
     },
     "localname": "ScheduleOfCondensedBalanceSheetTableTextBlock",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "srt_StatementScenarioAxis": {
     "auth_ref": [
      "r273",
      "r305",
      "r408"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.",
        "label": "Scenario [Axis]",
        "terseLabel": "Scenario [Axis]"
       }
      }
     },
     "localname": "StatementScenarioAxis",
     "nsuri": "http://fasb.org/srt/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountingChangesAndErrorCorrectionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounting Changes and Error Corrections [Abstract]",
        "terseLabel": "Accounting Changes and Error Corrections [Abstract]"
       }
      }
     },
     "localname": "AccountingChangesAndErrorCorrectionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountingStandardsUpdate201613Member": {
     "auth_ref": [
      "r218"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accounting Standards Update 2016-13 Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.",
        "label": "Accounting Standards Update 2016-13 [Member]",
        "terseLabel": "ASU 2016-13"
       }
      }
     },
     "localname": "AccountingStandardsUpdate201613Member",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountingStandardsUpdateExtensibleList": {
     "auth_ref": [
      "r93",
      "r94",
      "r95",
      "r97",
      "r219",
      "r220",
      "r221",
      "r222",
      "r225",
      "r226",
      "r310",
      "r311",
      "r312",
      "r313",
      "r314",
      "r315",
      "r316",
      "r318",
      "r334",
      "r335",
      "r522",
      "r523",
      "r524",
      "r525",
      "r526",
      "r527",
      "r528",
      "r529",
      "r530",
      "r531",
      "r532",
      "r533"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates amendment to accounting standards.",
        "label": "Accounting Standards Update [Extensible List]",
        "terseLabel": "Accounting Standards Update [Extensible List]"
       }
      }
     },
     "localname": "AccountingStandardsUpdateExtensibleList",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "extensibleListItemType"
    },
    "us-gaap_AccountsNotesAndLoansReceivableLineItems": {
     "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": "Accounts, Notes, Loans and Financing Receivable [Line Items]",
        "terseLabel": "Accounts, Notes, Loans and Financing Receivable [Line Items]",
        "verboseLabel": "Financing receivable general information"
       }
      }
     },
     "localname": "AccountsNotesAndLoansReceivableLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember": {
     "auth_ref": [
      "r36",
      "r41",
      "r42",
      "r358"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive (income) loss related to defined benefit plans attributable to the parent.",
        "label": "Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]",
        "terseLabel": "Retirement Plan Liabilities Adjustments"
       }
      }
     },
     "localname": "AccumulatedDefinedBenefitPlansAdjustmentMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember": {
     "auth_ref": [
      "r33",
      "r34",
      "r35",
      "r41",
      "r42"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), attributable to parent.",
        "label": "AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]",
        "terseLabel": "Unrealized Gains (Losses) Available-for-Sale Securities *"
       }
      }
     },
     "localname": "AccumulatedNetUnrealizedInvestmentGainLossMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": {
     "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": "Accumulated Other Comprehensive Income (Loss) [Line Items]",
        "terseLabel": "Accumulated other comprehensive income"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r15",
      "r38",
      "r40",
      "r41",
      "r499",
      "r529",
      "r533"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.",
        "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax",
        "terseLabel": "Accumulated other comprehensive income"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": {
     "auth_ref": [
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r394"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss).",
        "label": "Accumulated Other Comprehensive Income (Loss) [Table]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r37",
      "r41",
      "r42",
      "r87",
      "r88",
      "r89",
      "r358",
      "r524",
      "r525"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.",
        "label": "AOCI Attributable to Parent [Member]",
        "terseLabel": "Total Accumulated Other Comprehensive Income (Loss)"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedTranslationAdjustmentMember": {
     "auth_ref": [
      "r32",
      "r41",
      "r42",
      "r358",
      "r388",
      "r389",
      "r390",
      "r391",
      "r394"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to the parent.",
        "label": "Accumulated Foreign Currency Adjustment Attributable to Parent [Member]",
        "terseLabel": "Foreign Currency Translation Adjustments"
       }
      }
     },
     "localname": "AccumulatedTranslationAdjustmentMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r13"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
        "label": "Additional Paid in Capital, Common Stock",
        "terseLabel": "Additional paid-in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [
      "r87",
      "r88",
      "r89",
      "r314",
      "r315",
      "r316"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
        "label": "Additional Paid-in Capital [Member]",
        "terseLabel": "Additional Paid-in Capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": {
     "auth_ref": [
      "r93",
      "r94",
      "r95",
      "r97",
      "r219",
      "r220",
      "r221",
      "r222",
      "r225",
      "r226",
      "r310",
      "r311",
      "r312",
      "r313",
      "r314",
      "r315",
      "r316",
      "r318",
      "r332",
      "r333",
      "r334",
      "r335",
      "r442",
      "r443",
      "r444",
      "r522",
      "r523",
      "r524",
      "r525",
      "r526",
      "r527",
      "r528",
      "r529",
      "r530",
      "r531",
      "r532",
      "r533"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by amendment to accounting standards.",
        "label": "Accounting Standards Update [Axis]",
        "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]"
       }
      }
     },
     "localname": "AdjustmentsForNewAccountingPronouncementsAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Decrease for Tax Withholding Obligation",
        "negatedTerseLabel": "Withholding tax on share-based compensation"
       }
      }
     },
     "localname": "AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "auth_ref": [
      "r308",
      "r309",
      "r319",
      "r320"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.",
        "label": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition",
        "terseLabel": "Share-based compensation expense, net of forfeitures"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Reconciling adjustments:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock": {
     "auth_ref": [
      "r176",
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of allowance for credit loss on financing receivable.",
        "label": "Financing Receivable, Allowance for Credit Loss [Table Text Block]",
        "terseLabel": "Schedule of allowance for finance receivable losses and net finance receivables by type and by impairment method"
       }
      }
     },
     "localname": "AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AllowanceForCreditLossesTextBlock": {
     "auth_ref": [
      "r193"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for allowance for credit losses.",
        "label": "Allowance for Credit Losses [Text Block]",
        "terseLabel": "Allowance for Finance Receivable Losses"
       }
      }
     },
     "localname": "AllowanceForCreditLossesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLosses"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Shares excluded in the diluted earnings per share calculation (in shares)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of antidilutive security.",
        "label": "Antidilutive Securities [Axis]",
        "terseLabel": "Antidilutive Securities [Axis]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": {
     "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": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]",
        "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesNameDomain": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.",
        "label": "Antidilutive Securities, Name [Domain]",
        "terseLabel": "Antidilutive Securities, Name [Domain]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetBackedSecuritiesMember": {
     "auth_ref": [
      "r204",
      "r294"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities that are primarily serviced by the cash flows of a discrete pool of receivables or other financial assets for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans.",
        "label": "Asset-backed Securities [Member]",
        "terseLabel": "Mortgage-backed, asset-backed, and collateralized bonds"
       }
      }
     },
     "localname": "AssetBackedSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember": {
     "auth_ref": [
      "r204",
      "r294"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities that are primarily serviced with cash flows derived financial assets that are being securitized for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans. Excludes mortgage-backed securities.",
        "label": "Asset-backed Securities, Securitized Loans and Receivables [Member]",
        "terseLabel": "Securitizations"
       }
      }
     },
     "localname": "AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetImpairmentCharges": {
     "auth_ref": [
      "r71",
      "r262"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.",
        "label": "Asset Impairment Charges",
        "terseLabel": "Impairment in other revenue"
       }
      }
     },
     "localname": "AssetImpairmentCharges",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r78",
      "r145",
      "r152",
      "r159",
      "r217",
      "r354",
      "r359",
      "r381",
      "r464",
      "r495"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "terseLabel": "Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "verboseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsFairValueDisclosure": {
     "auth_ref": [
      "r367"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Fair Value Disclosure",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "AssetsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsFairValueDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Fair Value Disclosure [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsFairValueDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax",
        "terseLabel": "Unrealized Gains"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": {
     "auth_ref": [
      "r201"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax",
        "negatedLabel": "Unrealized Losses"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": {
     "auth_ref": [
      "r198",
      "r246"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Amortized Cost",
        "terseLabel": "Investment, amortized cost basis",
        "totalLabel": "Cost/ Amortized Cost"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]",
        "terseLabel": "Unrealized Losses"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionQualitativeDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Available-for-sale Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract]",
        "terseLabel": "Fair Value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesContinuousUnrealizedLossPositionQualitativeDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostBasisRollingMaturityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Maturity, Amortized Cost, Rolling Maturity [Abstract]",
        "terseLabel": "Amortized Cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostBasisRollingMaturityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueRollingMaturityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract]",
        "verboseLabel": "Fair Value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesFairValueRollingMaturityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost",
        "terseLabel": "Due in 1 year or less"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value",
        "terseLabel": "Due in 1 year or less"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after rolling tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost",
        "terseLabel": "Due after 10 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after rolling tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value",
        "terseLabel": "Due after 10 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in rolling sixth through tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Amortized Cost",
        "terseLabel": "Due after 5 years through 10 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in rolling sixth through tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value",
        "terseLabel": "Due after 5 years through 10 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year through fifth year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost",
        "terseLabel": "Due after 1 year through 5 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year through fifth year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value",
        "terseLabel": "Due after 1 year through 5 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract]",
        "terseLabel": "Fixed maturities, excluding mortgage-backed, asset-backed, and collateralized securities:"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost": {
     "auth_ref": [
      "r203"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), without single maturity date and not allocated over maturity grouping.",
        "label": "Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost",
        "terseLabel": "Mortgage-backed, asset-backed, and collateralized securities"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue": {
     "auth_ref": [
      "r203"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), without single maturity date and not allocated over maturity grouping.",
        "label": "Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value",
        "terseLabel": "Mortgage-backed, asset-backed, and collateralized securities"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtSecurities": {
     "auth_ref": [
      "r194",
      "r199",
      "r246",
      "r468"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InvestmentsFairValueDisclosure",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale",
        "terseLabel": "Fair Value",
        "totalLabel": "Total",
        "verboseLabel": "Available-for-sale securities"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtSecurities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BalanceSheetRelatedDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Balance Sheet Related Disclosures [Abstract]",
        "terseLabel": "Consolidated Balance Sheets"
       }
      }
     },
     "localname": "BalanceSheetRelatedDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Basis of Accounting, Policy [Policy Text Block]",
        "terseLabel": "BASIS OF PRESENTATION"
       }
      }
     },
     "localname": "BasisOfAccountingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_BondsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt security, in which the authorized issuer owes the holder a debt and is obliged to repay the principal and interest (the coupon).",
        "label": "Bonds [Member]",
        "terseLabel": "Total bonds"
       }
      }
     },
     "localname": "BondsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionLineItems": {
     "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": "Business Acquisition [Line Items]",
        "terseLabel": "Business Acquisition [Line Items]"
       }
      }
     },
     "localname": "BusinessAcquisitionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BusinessCombinationDisclosureTextBlock": {
     "auth_ref": [
      "r351"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).",
        "label": "Business Combination Disclosure [Text Block]",
        "terseLabel": "Reconciliation of OneMain Finance Corporation Results to OneMain Holdings, Inc. Results"
       }
      }
     },
     "localname": "BusinessCombinationDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResults"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_BusinessCombinationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Business Combinations [Abstract]"
       }
      }
     },
     "localname": "BusinessCombinationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_BusinessDescriptionAndAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r86",
      "r132"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the business description and accounting policies concepts.  Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Accounting policies describe all significant accounting policies of the reporting entity.",
        "label": "Business Description and Accounting Policies [Text Block]",
        "terseLabel": "Business and Basis of Presentation"
       }
      }
     },
     "localname": "BusinessDescriptionAndAccountingPoliciesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CarryingReportedAmountFairValueDisclosureMember": {
     "auth_ref": [
      "r379",
      "r380"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as reported on the statement of financial position (balance sheet).",
        "label": "Reported Value Measurement [Member]",
        "terseLabel": "Total Carrying Value"
       }
      }
     },
     "localname": "CarryingReportedAmountFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r4",
      "r19",
      "r73"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "netLabel": "Cash and cash equivalents",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash and Cash Equivalents, Fair Value Disclosure",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r67",
      "r73",
      "r76"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "periodEndLabel": "Cash and cash equivalents and restricted cash and restricted cash equivalents at end of period",
        "periodStartLabel": "Cash and cash equivalents and restricted cash and restricted cash equivalents at beginning of period",
        "totalLabel": "Total cash and cash equivalents and restricted cash and restricted cash equivalents"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r67",
      "r385"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect",
        "totalLabel": "Net change in cash and cash equivalents and restricted cash and restricted cash equivalents"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]",
        "terseLabel": "Supplemental non-cash activities"
       }
      }
     },
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield": {
     "auth_ref": [
      "r187",
      "r189"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion": {
     "auth_ref": [
      "r187",
      "r189"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accretion recognized for the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion",
        "negatedLabel": "Accretion"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]",
        "terseLabel": "Changes in accretable yield for purchased credit impaired finance receivables"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference": {
     "auth_ref": [
      "r187",
      "r189"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of reclassification (to) from nonaccretable difference (from) to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications (to) from Nonaccretable Difference",
        "terseLabel": "Reclassifications from nonaccretable difference"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldTransfersToLoansHeldForSale": {
     "auth_ref": [
      "r187",
      "r189"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of reduction, resulting from a reclassification to held-for-sale, in the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Transfers to Loans Held-for-sale",
        "negatedTerseLabel": "Transfer due to finance receivables sold"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldTransfersToLoansHeldForSale",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses": {
     "auth_ref": [
      "r187",
      "r190"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLosses",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Reserve for loans impairments recorded after acquisition as a result of current information and events which result in it being probable that estimated cash flows will be less than previously expected or because actual cash flows are less than cash flows previously expected.  This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses",
        "terseLabel": "Purchased credit impaired finance receivables *",
        "verboseLabel": "Allowance for purchased credit impaired finance receivable losses"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet": {
     "auth_ref": [
      "r187",
      "r188"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses).  This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net",
        "terseLabel": "Carrying amount, net of allowance"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance": {
     "auth_ref": [
      "r187",
      "r188"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor.  This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance",
        "terseLabel": "Outstanding balance"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertificatesOfDepositAtCarryingValue": {
     "auth_ref": [
      "r19"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate.  A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit).  Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties.  Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.",
        "label": "Certificates of Deposit, at Carrying Value",
        "terseLabel": "Fair value of securities on deposit"
       }
      }
     },
     "localname": "CertificatesOfDepositAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CollateralizedDebtObligationsMember": {
     "auth_ref": [
      "r197",
      "r294"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities collateralized by a pool of assets.",
        "label": "Collateralized Debt Obligations [Member]",
        "terseLabel": "CDO/ABS"
       }
      }
     },
     "localname": "CollateralizedDebtObligationsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommercialMortgageBackedSecuritiesMember": {
     "auth_ref": [
      "r203",
      "r294"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities collateralized by commercial real estate mortgage loans.",
        "label": "Commercial Mortgage Backed Securities [Member]",
        "terseLabel": "CMBS"
       }
      }
     },
     "localname": "CommercialMortgageBackedSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommercialPaperMember": {
     "auth_ref": [
      "r275"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unsecured promissory note (generally negotiable) that provides institutions with short-term funds.",
        "label": "Commercial Paper [Member]",
        "terseLabel": "Commercial paper",
        "verboseLabel": "Commercial paper"
       }
      }
     },
     "localname": "CommercialPaperMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r26",
      "r272",
      "r472",
      "r502"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
        "label": "Commitments and Contingencies",
        "terseLabel": "Contingencies (Note 14)"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]",
        "terseLabel": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r269",
      "r270",
      "r271",
      "r274"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for commitments and contingencies.",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Contingencies"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/Contingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonStockDividendsPerShareDeclared": {
     "auth_ref": [
      "r287"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding.",
        "label": "Common Stock, Dividends, Per Share, Declared",
        "terseLabel": "Dividends declared (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockDividendsPerShareDeclared",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [
      "r87",
      "r88"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock that is subordinate to all other stock of the issuer.",
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock",
        "verboseLabel": "Common stock"
       }
      }
     },
     "localname": "CommonStockMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r11"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount or stated value per share of common stock.",
        "label": "Common Stock, Par or Stated Value Per Share",
        "terseLabel": "Common stock, par value (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r11"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r11"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.",
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r11",
      "r282"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.",
        "label": "Common Stock, Shares, Outstanding",
        "periodEndLabel": "Ending balance (in shares)",
        "periodStartLabel": "Beginning balance (in shares)",
        "terseLabel": "Common stock, shares outstanding (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyChangesinSharesIssuedandOutstandingDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r11"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Common Stock, Value, Issued",
        "terseLabel": "Common stock"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r45",
      "r47",
      "r48",
      "r52",
      "r477",
      "r508"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
        "totalLabel": "Comprehensive income"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNoteTextBlock": {
     "auth_ref": [
      "r51",
      "r57",
      "r476",
      "r507"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.",
        "label": "Comprehensive Income (Loss) Note [Text Block]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss)"
       }
      }
     },
     "localname": "ComprehensiveIncomeNoteTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLoss"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ConsolidationPolicyTextBlock": {
     "auth_ref": [
      "r77",
      "r356"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.",
        "label": "Consolidation, Policy [Policy Text Block]",
        "terseLabel": "CONSOLIDATION"
       }
      }
     },
     "localname": "ConsolidationPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ConsumerLoanMember": {
     "auth_ref": [
      "r243"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan or extension of credit for personal, family, or household use excluding real estate.",
        "label": "Consumer Loan [Member]",
        "netLabel": "Personal Loans",
        "terseLabel": "Finance receivable - Personal loan"
       }
      }
     },
     "localname": "ConsumerLoanMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ContractualInterestRateReductionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan modification for a reduction of contractual interest rate.",
        "label": "Contractual Interest Rate Reduction [Member]",
        "terseLabel": "Rate reduction"
       }
      }
     },
     "localname": "ContractualInterestRateReductionMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CorporateDebtSecuritiesMember": {
     "auth_ref": [
      "r294",
      "r302",
      "r534"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt securities issued by domestic or foreign corporate business, banks and other entities with a promise of repayment.",
        "label": "Corporate Debt Securities [Member]",
        "terseLabel": "Corporate debt"
       }
      }
     },
     "localname": "CorporateDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CorporateNonSegmentMember": {
     "auth_ref": [
      "r150",
      "r151",
      "r152",
      "r153",
      "r155",
      "r161",
      "r163"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and is not considered an operating segment.",
        "label": "Corporate, Non-Segment [Member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "CorporateNonSegmentMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CreditLossStatusAxis": {
     "auth_ref": [
      "r191",
      "r245",
      "r255"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by credit loss status of financial asset.",
        "label": "Credit Loss Status [Axis]",
        "terseLabel": "Credit Loss Status [Axis]"
       }
      }
     },
     "localname": "CreditLossStatusAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditLossStatusDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Credit loss status of financial asset.",
        "label": "Credit Loss Status [Domain]",
        "terseLabel": "Credit Loss Status [Domain]"
       }
      }
     },
     "localname": "CreditLossStatusDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Disclosure [Abstract]",
        "terseLabel": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r7",
      "r8",
      "r9",
      "r465",
      "r466",
      "r493"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument [Axis]"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentCarryingAmount": {
     "auth_ref": [
      "r9",
      "r278",
      "r466",
      "r493"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.",
        "label": "Long-term Debt, Gross",
        "totalLabel": "Total principal maturities"
       }
      }
     },
     "localname": "DebtInstrumentCarryingAmount",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentInterestRateEffectivePercentage": {
     "auth_ref": [
      "r24",
      "r280",
      "r397"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.",
        "label": "Debt Instrument, Interest Rate, Effective Percentage",
        "terseLabel": "Effective interest rate"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateEffectivePercentage",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "auth_ref": [
      "r24"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.",
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "terseLabel": "Interest rate"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentLineItems": {
     "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": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]",
        "verboseLabel": "Long-term debt"
       }
      }
     },
     "localname": "DebtInstrumentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name [Domain]"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r25",
      "r81",
      "r283",
      "r284",
      "r285",
      "r286",
      "r396",
      "r397",
      "r399",
      "r489"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table]",
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesSecuritizedBorrowingsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_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 instrument, term"
       }
      }
     },
     "localname": "DebtInstrumentTerm",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger": {
     "auth_ref": [
      "r211",
      "r251",
      "r254"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer",
        "terseLabel": "12\u00a0Months\u00a0or\u00a0Longer"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": {
     "auth_ref": [
      "r211",
      "r251"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss",
        "negatedLabel": "12\u00a0Months\u00a0or\u00a0Longer"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": {
     "auth_ref": [
      "r211",
      "r251",
      "r254"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months",
        "terseLabel": "Less\u00a0Than\u00a012\u00a0Months"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": {
     "auth_ref": [
      "r211",
      "r251"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss",
        "negatedLabel": "Less\u00a0Than\u00a012\u00a0Months"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition": {
     "auth_ref": [
      "r207",
      "r247",
      "r254"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss": {
     "auth_ref": [
      "r208",
      "r248"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss",
        "negatedTotalLabel": "Total"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock": {
     "auth_ref": [
      "r206",
      "r250",
      "r254"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table Text Block]",
        "terseLabel": "Schedule of fair value and unrealized losses on investment securities by type and length of time in a continuous unrealized loss position"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions": {
     "auth_ref": [
      "r209",
      "r249"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions",
        "terseLabel": "Investment securities in an unrealized loss position"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DebtSecuritiesTradingRealizedGainLoss": {
     "auth_ref": [
      "r54"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).",
        "label": "Debt Securities, Trading, Realized Gain (Loss)",
        "terseLabel": "Net realized gain and losses on other securities sold"
       }
      }
     },
     "localname": "DebtSecuritiesTradingRealizedGainLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesTradingUnrealizedGainLoss": {
     "auth_ref": [
      "r214"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).",
        "label": "Debt Securities, Trading, Unrealized Gain (Loss)",
        "terseLabel": "Net unrealized gains (losses) on other securities sold or redeemed"
       }
      }
     },
     "localname": "DebtSecuritiesTradingUnrealizedGainLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNet": {
     "auth_ref": [
      "r21",
      "r398"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Net",
        "negatedLabel": "Debt issuance costs"
       }
      }
     },
     "localname": "DeferredFinanceCostsNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxAssetsNet": {
     "auth_ref": [
      "r322",
      "r323"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.",
        "label": "Deferred Income Tax Assets, Net",
        "terseLabel": "Deferred tax assets"
       }
      }
     },
     "localname": "DeferredIncomeTaxAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r71",
      "r79",
      "r331",
      "r341",
      "r342",
      "r343"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred Income Tax Expense (Benefit)",
        "terseLabel": "Deferred income tax charge (benefit)"
       }
      }
     },
     "localname": "DeferredIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsNet": {
     "auth_ref": [
      "r329"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
        "label": "Deferred Tax Assets, Net of Valuation Allowance",
        "terseLabel": "Net deferred tax asset"
       }
      }
     },
     "localname": "DeferredTaxAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationAndAmortization": {
     "auth_ref": [
      "r71",
      "r264"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.",
        "label": "Depreciation, Depletion and Amortization, Nonproduction",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupClassificationAxis": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by disposal group classification.",
        "label": "Disposal Group Classification [Axis]",
        "terseLabel": "Disposal Group Classification [Axis]"
       }
      }
     },
     "localname": "DisposalGroupClassificationAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisposalGroupClassificationDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Component or group of components disposed of, including but not limited to, disposal group held-for-sale or disposed of by sale, disposed of by means other than sale, and discontinued operations.",
        "label": "Disposal Group Classification [Domain]",
        "terseLabel": "Disposal Group Classification [Domain]"
       }
      }
     },
     "localname": "DisposalGroupClassificationDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember": {
     "auth_ref": [
      "r263",
      "r266"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disposal group that has been sold. Excludes disposals classified as discontinued operations.",
        "label": "Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]",
        "terseLabel": "Disposed of by Sale"
       }
      }
     },
     "localname": "DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember": {
     "auth_ref": [
      "r2",
      "r261",
      "r266"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disposal group that is classified as held-for-sale. Excludes disposals classified as discontinued operations.",
        "label": "Disposal Group, Held-for-sale, Not Discontinued Operations [Member]",
        "terseLabel": "Real Estate Loans - Held for Sale"
       }
      }
     },
     "localname": "DisposalGroupHeldforsaleNotDiscontinuedOperationsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": {
     "auth_ref": [
      "r303",
      "r306"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of disposal group.",
        "label": "Disposal Group Name [Domain]",
        "terseLabel": "Disposal Group Name [Domain]"
       }
      }
     },
     "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DividendsCommonStockCash": {
     "auth_ref": [
      "r287"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.",
        "label": "Dividends, Common Stock, Cash",
        "negatedTerseLabel": "Cash dividends"
       }
      }
     },
     "localname": "DividendsCommonStockCash",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Earnings Per Share [Abstract]"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r53",
      "r99",
      "r100",
      "r101",
      "r102",
      "r103",
      "r110",
      "r112",
      "r115",
      "r116",
      "r117",
      "r121",
      "r122",
      "r478",
      "r509"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic",
        "terseLabel": "Basic (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Basic and Diluted [Abstract]",
        "terseLabel": "Earnings per share:"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDilutedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]",
        "terseLabel": "Weighted average number of shares outstanding:"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasicLineItems": {
     "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": "Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]",
        "terseLabel": "Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]"
       }
      }
     },
     "localname": "EarningsPerShareBasicLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r53",
      "r99",
      "r100",
      "r101",
      "r102",
      "r103",
      "r112",
      "r115",
      "r116",
      "r117",
      "r121",
      "r122",
      "r478",
      "r509"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Diluted",
        "terseLabel": "Diluted (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r118",
      "r119",
      "r120",
      "r123"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Capital Stock and Earnings Per Share (OMH Only)"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnly"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EffectiveIncomeTaxRateContinuingOperations": {
     "auth_ref": [
      "r325"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Effective Income Tax Rate Reconciliation, Percent",
        "terseLabel": "Effective tax rate"
       }
      }
     },
     "localname": "EffectiveIncomeTaxRateContinuingOperations",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Equity [Abstract]",
        "terseLabel": "Equity [Abstract]"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r87",
      "r88",
      "r89",
      "r94",
      "r104",
      "r106",
      "r124",
      "r222",
      "r282",
      "r287",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335",
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r394",
      "r524",
      "r525",
      "r526"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component [Domain]"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquitySecuritiesFvNi": {
     "auth_ref": [
      "r376"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_TradingSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).",
        "label": "Equity Securities, FV-NI",
        "verboseLabel": "Equity securities"
       }
      }
     },
     "localname": "EquitySecuritiesFvNi",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EstimateOfFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r378"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as an estimate of fair value.",
        "label": "Estimate of Fair Value Measurement [Member]",
        "verboseLabel": "Total Fair Value"
       }
      }
     },
     "localname": "EstimateOfFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "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": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
        "terseLabel": "Assets and liabilities measured at fair value"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r367",
      "r368",
      "r369",
      "r373"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.",
        "label": "Fair Value, Recurring and Nonrecurring [Table]",
        "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": {
     "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": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]",
        "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]"
       }
      }
     },
     "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "auth_ref": [
      "r367",
      "r379",
      "r380"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table]",
        "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTextBlock": {
     "auth_ref": [
      "r367",
      "r379"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]",
        "terseLabel": "Schedule of fair values and carrying values of financial instruments and fair value hierarchy based on the level of inputs utilized to determine such fair value"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r294",
      "r295",
      "r296",
      "r297",
      "r298",
      "r299",
      "r300",
      "r302",
      "r368",
      "r412",
      "r413",
      "r414"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
        "label": "Fair Value Hierarchy and NAV [Axis]",
        "terseLabel": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementBasisAxis": {
     "auth_ref": [
      "r367",
      "r374"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement basis.",
        "label": "Measurement Basis [Axis]",
        "terseLabel": "Measurement Basis [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementBasisAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "auth_ref": [
      "r367",
      "r368",
      "r370",
      "r371",
      "r375"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement frequency.",
        "label": "Measurement Frequency [Axis]",
        "terseLabel": "Measurement Frequency [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementFrequencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosureItemAmountsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.",
        "label": "Fair Value Measurement [Domain]",
        "terseLabel": "Fair Value Measurement [Domain]"
       }
      }
     },
     "localname": "FairValueDisclosureItemAmountsDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]",
        "terseLabel": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r372"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
        "label": "Fair Value Disclosures [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "auth_ref": [
      "r294",
      "r295",
      "r300",
      "r302",
      "r368",
      "r412"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.",
        "label": "Fair Value, Inputs, Level 1 [Member]",
        "terseLabel": "Level 1"
       }
      }
     },
     "localname": "FairValueInputsLevel1Member",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r294",
      "r295",
      "r300",
      "r302",
      "r368",
      "r413"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
        "label": "Fair Value, Inputs, Level 2 [Member]",
        "terseLabel": "Level\u00a02"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "auth_ref": [
      "r294",
      "r295",
      "r296",
      "r297",
      "r298",
      "r299",
      "r300",
      "r302",
      "r368",
      "r414"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Inputs, Level 3 [Member]",
        "terseLabel": "Level\u00a03"
       }
      }
     },
     "localname": "FairValueInputsLevel3Member",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement frequency.",
        "label": "Measurement Frequency [Domain]",
        "terseLabel": "Measurement Frequency [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementFrequencyDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [
      "r294",
      "r295",
      "r296",
      "r297",
      "r298",
      "r299",
      "r300",
      "r302",
      "r412",
      "r413",
      "r414"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
        "label": "Fair Value Hierarchy and NAV [Domain]",
        "terseLabel": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsRecurringMember": {
     "auth_ref": [
      "r372",
      "r375"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.",
        "label": "Fair Value, Recurring [Member]",
        "verboseLabel": "Fair Value, Measurements, Recurring"
       }
      }
     },
     "localname": "FairValueMeasurementsRecurringMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial asset acquired with deteriorated credit quality.",
        "label": "Financial Asset Acquired with Credit Deterioration [Member]",
        "terseLabel": "Purchased credit impaired finance receivables"
       }
      }
     },
     "localname": "FinancialAssetAcquiredWithCreditDeteriorationMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancialInstrumentAxis": {
     "auth_ref": [
      "r204",
      "r205",
      "r228",
      "r234",
      "r235",
      "r237",
      "r239",
      "r250",
      "r252",
      "r253",
      "r254",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r423",
      "r424",
      "r425",
      "r426",
      "r427",
      "r428",
      "r429",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434",
      "r435",
      "r436",
      "r437",
      "r438",
      "r439"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of financial instrument.",
        "label": "Financial Instrument [Axis]",
        "terseLabel": "Financial Instrument [Axis]"
       }
      }
     },
     "localname": "FinancialInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancialInstrumentPerformanceStatusAxis": {
     "auth_ref": [
      "r239"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by category of performance or non-performance status of financial instruments.",
        "label": "Financial Instrument Performance Status [Axis]",
        "terseLabel": "Financial Instrument Performance Status [Axis]"
       }
      }
     },
     "localname": "FinancialInstrumentPerformanceStatusAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancialInstrumentPerformanceStatusDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Category of performance or non-performance status of financial instruments, including but not limited to, financing receivables, loans, debt, and investments.",
        "label": "Financial Instrument Performance Status [Domain]",
        "terseLabel": "Financial Instrument Performance Status [Domain]"
       }
      }
     },
     "localname": "FinancialInstrumentPerformanceStatusDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]",
        "terseLabel": "Liabilities"
       }
      }
     },
     "localname": "FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]",
        "terseLabel": "Finance receivables:"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLosses": {
     "auth_ref": [
      "r171",
      "r227",
      "r229",
      "r233",
      "r469"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_NotesReceivableNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.",
        "label": "Financing Receivable, Allowance for Credit Loss",
        "negatedTerseLabel": "Allowance for finance receivable losses (includes allowance of consolidated VIEs of $1.1 billion in 2020 and $340 million in 2019)",
        "netLabel": "Allowance for finance receivable losses",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period",
        "totalLabel": "Total",
        "verboseLabel": "Financing receivable, allowance for credit loss"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLosses",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment": {
     "auth_ref": [
      "r174"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLosses",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.",
        "label": "Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment",
        "terseLabel": "Collectively evaluated for impairment"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems": {
     "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": "Financing Receivable, Allowance for Credit Loss [Line Items]",
        "terseLabel": "Financing Receivable, Allowance for finance receivable losses [Line Items]"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts": {
     "auth_ref": [
      "r169"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for charging off uncollectible financing receivables, including, but not limited to, factors and methodologies used in estimating the allowance for credit loss.",
        "label": "Financing Receivable, Allowance for Credit Losses, Policy for Uncollectible Amounts [Policy Text Block]",
        "terseLabel": "Allowance for Finance Receivable Losses"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery": {
     "auth_ref": [
      "r173",
      "r232",
      "r243"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase in allowance for credit loss on financing receivable from recovery.",
        "label": "Financing Receivable, Allowance for Credit Loss, Recovery",
        "terseLabel": "Recoveries"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossesRecovery",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Financing Receivable, Allowance for Credit Loss [Roll Forward]",
        "terseLabel": "Changes in allowance for finance receivable losses"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossesRollForward",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs": {
     "auth_ref": [
      "r172",
      "r231",
      "r243"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of writeoff of financing receivable, charged against allowance for credit loss.",
        "label": "Financing Receivable, Allowance for Credit Loss, Writeoff",
        "negatedLabel": "Charge-offs"
       }
      }
     },
     "localname": "FinancingReceivableAllowanceForCreditLossesWriteOffs",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee": {
     "auth_ref": [
      "r168",
      "r238",
      "r470"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement.",
        "label": "Financing Receivable, before Allowance for Credit Loss and Fee",
        "terseLabel": "Gross receivables"
       }
      }
     },
     "localname": "FinancingReceivableBeforeAllowanceForCreditLossAndFee",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment": {
     "auth_ref": [
      "r175"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The balance of financing receivables that were collectively evaluated for impairment.",
        "label": "Financing Receivable, Collectively Evaluated for Impairment",
        "terseLabel": "Collectively evaluated for impairment"
       }
      }
     },
     "localname": "FinancingReceivableCollectivelyEvaluatedForImpairment",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableImpairedLineItems": {
     "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": "Financing Receivable, Impaired [Line Items]",
        "terseLabel": "Financing Receivable, Impaired [Line Items]"
       }
      }
     },
     "localname": "FinancingReceivableImpairedLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableModificationsLineItems": {
     "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": "Financing Receivable, Troubled Debt Restructuring [Line Items]",
        "terseLabel": "Financing Receivable, Troubled Debt Restructuring [Line Items]"
       }
      }
     },
     "localname": "FinancingReceivableModificationsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableModificationsNumberOfContracts2": {
     "auth_ref": [
      "r180"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of financing receivables that have been modified by troubled debt restructurings.",
        "label": "Financing Receivable, Modifications, Number of Contracts",
        "verboseLabel": "Number of TDR accounts"
       }
      }
     },
     "localname": "FinancingReceivableModificationsNumberOfContracts2",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2": {
     "auth_ref": [
      "r180"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after troubled debt restructuring, of modified financing receivable.",
        "label": "Financing Receivable, Troubled Debt Restructuring, Postmodification",
        "terseLabel": "Total post-modification TDR net finance receivables"
       }
      }
     },
     "localname": "FinancingReceivableModificationsPostModificationRecordedInvestment2",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2": {
     "auth_ref": [
      "r180"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before troubled debt restructuring, of financing receivable to be modified.",
        "label": "Financing Receivable, Troubled Debt Restructuring, Premodification",
        "terseLabel": "Pre-modification TDR net finance receivables"
       }
      }
     },
     "localname": "FinancingReceivableModificationsPreModificationRecordedInvestment2",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableModificationsRecordedInvestment": {
     "auth_ref": [
      "r180",
      "r192"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable modified as troubled debt restructuring.",
        "label": "Financing Receivable, Troubled Debt Restructuring",
        "verboseLabel": "TDR finance receivables"
       }
      }
     },
     "localname": "FinancingReceivableModificationsRecordedInvestment",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableNonaccrualInterestIncome": {
     "auth_ref": [
      "r236"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest income on financing receivable on nonaccrual status.",
        "label": "Financing Receivable, Nonaccrual, Interest Income",
        "terseLabel": "Finance charges recognized from the contractual interest portion of payments received on nonaccrual finance receivables"
       }
      }
     },
     "localname": "FinancingReceivableNonaccrualInterestIncome",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": {
     "auth_ref": [
      "r240",
      "r243"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable originated more than five years prior to current fiscal year.",
        "label": "Financing Receivable, Originated, More than Five Years before Current Fiscal Year",
        "terseLabel": "Prior"
       }
      }
     },
     "localname": "FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear": {
     "auth_ref": [
      "r240",
      "r243"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable originated four years prior to current fiscal year.",
        "label": "Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year",
        "terseLabel": "2016"
       }
      }
     },
     "localname": "FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear": {
     "auth_ref": [
      "r240",
      "r243"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable originated in current fiscal year.",
        "label": "Financing Receivable, Year One, Originated, Current Fiscal Year",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "FinancingReceivableOriginatedInCurrentFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear": {
     "auth_ref": [
      "r240",
      "r243"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable originated in fiscal year prior to current fiscal year.",
        "label": "Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year",
        "terseLabel": "2019"
       }
      }
     },
     "localname": "FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear": {
     "auth_ref": [
      "r240",
      "r243"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable originated three years prior to current fiscal year.",
        "label": "Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year",
        "terseLabel": "2017"
       }
      }
     },
     "localname": "FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear": {
     "auth_ref": [
      "r240",
      "r243"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable originated two years prior to current fiscal year.",
        "label": "Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year",
        "terseLabel": "2018"
       }
      }
     },
     "localname": "FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis": {
     "auth_ref": [
      "r179",
      "r182",
      "r183",
      "r235",
      "r237",
      "r239",
      "r241",
      "r242",
      "r243",
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by class of financing receivable determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk.",
        "label": "Class of Financing Receivable [Axis]",
        "terseLabel": "Class of Financing Receivable [Axis]"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing receivables determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk.",
        "label": "Class of Financing Receivable [Domain]",
        "terseLabel": "Class of Financing Receivable [Domain]"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentCurrent": {
     "auth_ref": [
      "r183",
      "r235",
      "r244"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable not past due.",
        "label": "Financing Receivable, Not Past Due",
        "terseLabel": "Current"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentCurrent",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentPastDue": {
     "auth_ref": [
      "r183",
      "r235",
      "r244"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_NotesReceivableGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable past due.",
        "label": "Financing Receivable, Past Due",
        "terseLabel": "Past due"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentPastDue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems": {
     "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": "Financing Receivable, Past Due [Line Items]",
        "terseLabel": "Delinquency by finance receivables type"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentPastDueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff": {
     "auth_ref": [
      "r235"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Financing Receivable, Threshold Period Past Due, Writeoff",
        "verboseLabel": "Threshold period past due"
       }
      }
     },
     "localname": "FinancingReceivableThresholdPeriodPastDueWriteoff",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_FinancingReceivables30To59DaysPastDueMember": {
     "auth_ref": [
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial asset more than 29 days past due but fewer than 60 days past due.",
        "label": "Financial Asset, 30 to 59 Days Past Due [Member]",
        "terseLabel": "30-59 days past due"
       }
      }
     },
     "localname": "FinancingReceivables30To59DaysPastDueMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivables60To89DaysPastDueMember": {
     "auth_ref": [
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial asset more than 59 days past due but fewer than 90 days past due.",
        "label": "Financial Asset, 60 to 89 Days Past Due [Member]",
        "terseLabel": "60-89 days past due"
       }
      }
     },
     "localname": "FinancingReceivables60To89DaysPastDueMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivablesPeriodPastDueAxis": {
     "auth_ref": [
      "r235",
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by time period financial asset is past due.",
        "label": "Financial Asset, Period Past Due [Axis]",
        "terseLabel": "Financial Asset, Period Past Due [Axis]"
       }
      }
     },
     "localname": "FinancingReceivablesPeriodPastDueAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivablesPeriodPastDueDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period in which financial asset is past due. Element name and standard label in Financial Asset, [numeric lower end] to [numeric higher end] [date measure] Past Due [Member] or Financial Asset, Greater Than [low end numeric value] [date measure] Past Due [Member] or Financial Asset, Less Than [high end numeric value] [date measure] Past Due [Member] formats.",
        "label": "Financial Asset, Period Past Due [Domain]",
        "terseLabel": "Financial Asset, Period Past Due [Domain]"
       }
      }
     },
     "localname": "FinancingReceivablesPeriodPastDueDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivablesTextBlock": {
     "auth_ref": [
      "r185",
      "r186"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for financing receivable.",
        "label": "Financing Receivables [Text Block]",
        "terseLabel": "Finance Receivables"
       }
      }
     },
     "localname": "FinancingReceivablesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ForeignGovernmentDebtSecuritiesMember": {
     "auth_ref": [
      "r294",
      "r534"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt security issued by government not domiciled in United States of America (US).",
        "label": "Debt Security, Government, Non-US [Member]",
        "terseLabel": "Non-U.S. government and government sponsored entities"
       }
      }
     },
     "localname": "ForeignGovernmentDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnRepurchaseOfDebtInstrument": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.",
        "label": "Gain (Loss) on Repurchase of Debt Instrument",
        "negatedTerseLabel": "Loss on repurchase and repayments of debt"
       }
      }
     },
     "localname": "GainLossOnRepurchaseOfDebtInstrument",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSaleOfAccountsReceivable": {
     "auth_ref": [
      "r422"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) on sale of accounts receivable.",
        "label": "Gain (Loss) on Sale of Accounts Receivable",
        "verboseLabel": "Net gain in other revenues"
       }
      }
     },
     "localname": "GainLossOnSaleOfAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSaleOfNotesReceivable": {
     "auth_ref": [
      "r422"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_NoninterestIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) on sale of financing receivable.",
        "label": "Gain (Loss) on Sale of Financing Receivable",
        "terseLabel": "Net gain on sale of real estate loans"
       }
      }
     },
     "localname": "GainLossOnSaleOfNotesReceivable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r256",
      "r257",
      "r462"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": {
     "auth_ref": [
      "r82",
      "r145",
      "r151",
      "r155",
      "r158",
      "r161"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.",
        "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest",
        "terseLabel": "Income before income taxes",
        "totalLabel": "Income (loss) before income tax expense (benefit)"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]",
        "terseLabel": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": {
     "auth_ref": [
      "r303",
      "r306"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of disposal group.",
        "label": "Disposal Group Name [Axis]",
        "terseLabel": "Disposal Group Name [Axis]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementRelatedDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement Related Disclosures [Abstract]",
        "terseLabel": "Consolidated Statements of Operations"
       }
      }
     },
     "localname": "IncomeStatementRelatedDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]",
        "terseLabel": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "auth_ref": [
      "r326",
      "r328",
      "r330",
      "r339",
      "r344",
      "r346",
      "r347",
      "r348"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.",
        "label": "Income Tax Disclosure [Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/IncomeTaxes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r79",
      "r105",
      "r106",
      "r143",
      "r324",
      "r340",
      "r345",
      "r510"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "netLabel": "Income taxes",
        "terseLabel": "Income tax expense (benefit)"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapital": {
     "auth_ref": [
      "r70"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.",
        "label": "Increase (Decrease) in Operating Capital",
        "negatedTerseLabel": "Cash flows due to changes in other assets and other liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapital",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "terseLabel": "Increase (Decrease) in Stockholders' Equity"
       }
      }
     },
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InsuranceAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Insurance [Abstract]",
        "terseLabel": "Insurance [Abstract]"
       }
      }
     },
     "localname": "InsuranceAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InsuranceDisclosureTextBlock": {
     "auth_ref": [
      "r535"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the types of coverages and products sold, and the assets, obligations, recorded liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.",
        "label": "Insurance Disclosure [Text Block]",
        "terseLabel": "Insurance"
       }
      }
     },
     "localname": "InsuranceDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/Insurance"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InsuranceServicesRevenue": {
     "auth_ref": [
      "r511"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NoninterestIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Revenue from insurance services, including net premiums earned, gain on sale of insurance block, agency management fees and insurance contract fees and commissions.",
        "label": "Insurance Services Revenue",
        "terseLabel": "Insurance"
       }
      }
     },
     "localname": "InsuranceServicesRevenue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IntangibleAssetsNetExcludingGoodwill": {
     "auth_ref": [
      "r259",
      "r260"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
        "label": "Intangible Assets, Net (Excluding Goodwill)",
        "terseLabel": "Other intangible assets"
       }
      }
     },
     "localname": "IntangibleAssetsNetExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestAndDividendIncomeOperating": {
     "auth_ref": [
      "r479"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/SegmentInformationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.",
        "label": "Interest and Dividend Income, Operating",
        "terseLabel": "Interest income"
       }
      }
     },
     "localname": "InterestAndDividendIncomeOperating",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseBorrowings": {
     "auth_ref": [
      "r484"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/SegmentInformationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate amount of interest expense on all borrowings.",
        "label": "Interest Expense, Borrowings",
        "terseLabel": "Interest expense"
       }
      }
     },
     "localname": "InterestExpenseBorrowings",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss": {
     "auth_ref": [
      "r481"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/SegmentInformationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.",
        "label": "Interest Income (Expense), after Provision for Loan Loss",
        "totalLabel": "Net interest income after provision for finance receivable losses"
       }
      }
     },
     "localname": "InterestIncomeExpenseAfterProvisionForLoanLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeExpenseNet": {
     "auth_ref": [
      "r480"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net amount of operating interest income (expense).",
        "label": "Interest Income (Expense), Net",
        "totalLabel": "Net interest income"
       }
      }
     },
     "localname": "InterestIncomeExpenseNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeRelatedParty": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest income earned from interest-bearing assets owed to the entity by related party.",
        "label": "Interest Income, Related Party",
        "terseLabel": "Interest income on notes receivable"
       }
      }
     },
     "localname": "InterestIncomeRelatedParty",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestReceivable": {
     "auth_ref": [
      "r29"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.",
        "label": "Interest Receivable",
        "terseLabel": "Interest receivable"
       }
      }
     },
     "localname": "InterestReceivable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentIncomeNonoperating": {
     "auth_ref": [
      "r56"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NoninterestIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations.",
        "label": "Investment Income, Nonoperating",
        "terseLabel": "Investment"
       }
      }
     },
     "localname": "InvestmentIncomeNonoperating",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.",
        "label": "Investments Classified by Contractual Maturity Date [Table Text Block]",
        "terseLabel": "Schedule of contractual maturities of fixed-maturity available-for-sale securities"
       }
      }
     },
     "localname": "InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investments, Debt and Equity Securities [Abstract]",
        "terseLabel": "Investments, Debt and Equity Securities [Abstract]"
       }
      }
     },
     "localname": "InvestmentsDebtAndEquitySecuritiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentsFairValueDisclosure": {
     "auth_ref": [
      "r367"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.",
        "label": "Investments, Fair Value Disclosure",
        "terseLabel": "Investment securities",
        "totalLabel": "Total investment securities"
       }
      }
     },
     "localname": "InvestmentsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r215",
      "r460",
      "r488",
      "r536"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for  investments in certain debt and equity securities.",
        "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]",
        "terseLabel": "Investment Securities"
       }
      }
     },
     "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecurities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_JuniorSubordinatedDebtMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Borrowing that has a lower priority than senior instruments in event of liquidation of the entity's assets.",
        "label": "Junior Subordinated Debt [Member]",
        "terseLabel": "Junior Subordinated Debt"
       }
      }
     },
     "localname": "JuniorSubordinatedDebtMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LaborAndRelatedExpense": {
     "auth_ref": [
      "r55"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NoninterestExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.",
        "label": "Labor and Related Expense",
        "terseLabel": "Salaries and benefits"
       }
      }
     },
     "localname": "LaborAndRelatedExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r23",
      "r78",
      "r153",
      "r217",
      "r355",
      "r359",
      "r360",
      "r381"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r18",
      "r78",
      "r217",
      "r381",
      "r467",
      "r501"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "Total liabilities and shareholders\u2019 equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "Liabilities and Shareholders\u2019 Equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense": {
     "auth_ref": [
      "r514",
      "r517"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.",
        "label": "Liability for Claims and Claims Adjustment Expense",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period"
       }
      }
     },
     "localname": "LiabilityForClaimsAndClaimsAdjustmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense": {
     "auth_ref": [
      "r496",
      "r514",
      "r517"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies.",
        "label": "Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense",
        "terseLabel": "Insurance claims and policyholder liabilities"
       }
      }
     },
     "localname": "LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract]",
        "terseLabel": "Reductions for losses and loss adjustment expenses paid related to:"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1": {
     "auth_ref": [
      "r516"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InsuranceDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_PaymentsForLossesAndLossAdjustmentExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs.",
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year",
        "negatedTerseLabel": "Current year"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1": {
     "auth_ref": [
      "r516"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InsuranceDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_PaymentsForLossesAndLossAdjustmentExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of reinsurance, of payments to settle claims incurred in prior periods and related claims settlement costs.",
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years",
        "negatedLabel": "Prior years"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1": {
     "auth_ref": [
      "r515"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InsuranceDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred and costs incurred in the claim settlement process.",
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract]",
        "terseLabel": "Additions for losses and loss adjustment expenses incurred to:"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet": {
     "auth_ref": [
      "r492",
      "r514",
      "r517"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.",
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Net",
        "periodEndLabel": "Net balance at end of period"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]",
        "terseLabel": "Liability for unpaid claims and claims adjustment expense"
       }
      }
     },
     "localname": "LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityLineItems": {
     "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": "Line of Credit Facility [Line Items]",
        "terseLabel": "Line of Credit Facility [Line Items]"
       }
      }
     },
     "localname": "LineOfCreditFacilityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r22"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "terseLabel": "Total borrowing capacity"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityTable": {
     "auth_ref": [
      "r22",
      "r81"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
        "label": "Line of Credit Facility [Table]",
        "terseLabel": "Line of Credit Facility [Table]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LoanRestructuringModificationAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by concessions made to the terms of loan contracts.",
        "label": "Loan Restructuring Modification [Axis]",
        "terseLabel": "Loan Restructuring Modification [Axis]"
       }
      }
     },
     "localname": "LoanRestructuringModificationAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LoanRestructuringModificationDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Concessions made to the terms of loan contracts, including but not limited to, interest rate reductions, maturity extensions, principal forgiveness, and payment deferral.",
        "label": "Loan Restructuring Modification [Domain]",
        "terseLabel": "Loan Restructuring Modification [Domain]"
       }
      }
     },
     "localname": "LoanRestructuringModificationDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Loans and Leases Receivable, Net Amount [Abstract]",
        "terseLabel": "Allowance for finance receivable losses:"
       }
      }
     },
     "localname": "LoansAndLeasesReceivableNetReportedAmountAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LoansReceivableFairValueDisclosure": {
     "auth_ref": [
      "r185"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.",
        "label": "Loans Receivable, Fair Value Disclosure",
        "terseLabel": "Net finance receivables, less allowance for finance receivable losses"
       }
      }
     },
     "localname": "LoansReceivableFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup": {
     "auth_ref": [
      "r168",
      "r537"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.",
        "label": "Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance",
        "terseLabel": "Finance receivables held for sale"
       }
      }
     },
     "localname": "LoansReceivableHeldForSaleNetNotPartOfDisposalGroup",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebt": {
     "auth_ref": [
      "r9",
      "r279",
      "r466",
      "r497"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-term Debt",
        "netLabel": "Long-term debt",
        "terseLabel": "Long-term Debt",
        "verboseLabel": "Long-term debt (includes debt of consolidated VIEs of $7.8 billion in 2020 and $7.6 billion in 2019)"
       }
      }
     },
     "localname": "LongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtByMaturityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Long-term Debt, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Principal maturities of long-term debt by type of debt"
       }
      }
     },
     "localname": "LongTermDebtByMaturityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongTermDebtFairValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.",
        "label": "Long-term Debt, Fair Value",
        "verboseLabel": "Long-term debt"
       }
      }
     },
     "localname": "LongTermDebtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": {
     "auth_ref": [
      "r85",
      "r276"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 7.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year One",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": {
     "auth_ref": [
      "r85",
      "r276"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Four",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": {
     "auth_ref": [
      "r85",
      "r276"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Three",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": {
     "auth_ref": [
      "r85",
      "r276"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Two",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/LongtermDebtDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.",
        "label": "Long-Term Debt, Maturity, Remainder of Fiscal Year",
        "terseLabel": "Remainder of 2020"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtTextBlock": {
     "auth_ref": [
      "r281"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for long-term debt.",
        "label": "Long-term Debt [Text Block]",
        "terseLabel": "Long-term Debt"
       }
      }
     },
     "localname": "LongTermDebtTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-term Debt, Type [Axis]",
        "terseLabel": "Long-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r25",
      "r277"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Long-term Debt, Type [Domain]",
        "terseLabel": "Long-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MajorityShareholderMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Owner that controls more than 50 percent of the voting interest in the entity through direct or indirect ownership.",
        "label": "Majority Shareholder [Member]",
        "terseLabel": "Majority Shareholder"
       }
      }
     },
     "localname": "MajorityShareholderMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MarketableSecurities": {
     "auth_ref": [
      "r473"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in marketable security.",
        "label": "Marketable Securities",
        "terseLabel": "Investment securities (includes available-for-sale securities with a fair value of $1.8\u00a0billion and amortized cost basis of $1.7\u00a0billion in 2020)"
       }
      }
     },
     "localname": "MarketableSecurities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MarketableSecuritiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Marketable Securities [Abstract]",
        "terseLabel": "Fixed maturities, excluding mortgage-backed, asset-backed, and collateralized securities:"
       }
      }
     },
     "localname": "MarketableSecuritiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesContractualMaturitiesofAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_MaterialReconcilingItemsMember": {
     "auth_ref": [
      "r155"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Items used in reconciling reportable segments' amounts to consolidated amount. Excludes corporate-level activity.",
        "label": "Segment Reconciling Items [Member]",
        "terseLabel": "Segment to GAAP Adjustment"
       }
      }
     },
     "localname": "MaterialReconcilingItemsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MediumTermNotesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt instruments with maturities ranging from five to ten years.",
        "label": "Medium-term Notes [Member]",
        "terseLabel": "Unsecured Notes"
       }
      }
     },
     "localname": "MediumTermNotesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r67"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "Net cash provided by (used in) financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash flows from financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r67"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash provided by (used for) investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash flows from investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r67",
      "r69",
      "r72"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "totalLabel": "Net cash provided by operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash flows from operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r3",
      "r43",
      "r46",
      "r50",
      "r72",
      "r78",
      "r93",
      "r99",
      "r100",
      "r101",
      "r102",
      "r105",
      "r106",
      "r114",
      "r145",
      "r151",
      "r155",
      "r158",
      "r161",
      "r217",
      "r381",
      "r475",
      "r506"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
        "label": "Net Income (Loss) Attributable to Parent",
        "totalLabel": "Net income",
        "verboseLabel": "Net income"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Income (Loss) Attributable to Parent [Abstract]",
        "terseLabel": "Numerator (basic and diluted):"
       }
      }
     },
     "localname": "NetIncomeLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock": {
     "auth_ref": [
      "r91",
      "r92",
      "r95",
      "r96",
      "r107",
      "r108",
      "r109",
      "r223",
      "r224",
      "r289",
      "r290",
      "r291",
      "r292",
      "r317",
      "r336",
      "r337",
      "r338",
      "r445",
      "r446",
      "r447",
      "r528",
      "r529",
      "r530",
      "r531",
      "r533"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for change in accounting principle. Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards or other change in accounting principle.",
        "label": "Accounting Standards Update and Change in Accounting Principle [Text Block]",
        "terseLabel": "Recent Accounting Pronouncements"
       }
      }
     },
     "localname": "NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": {
     "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": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]",
        "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]"
       }
      }
     },
     "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": {
     "auth_ref": [
      "r90",
      "r93",
      "r94",
      "r95",
      "r97",
      "r98",
      "r101",
      "r121",
      "r219",
      "r220",
      "r221",
      "r222",
      "r225",
      "r226",
      "r310",
      "r311",
      "r312",
      "r313",
      "r314",
      "r315",
      "r316",
      "r318",
      "r332",
      "r333",
      "r334",
      "r335",
      "r442",
      "r443",
      "r444",
      "r522",
      "r523",
      "r524",
      "r525",
      "r526",
      "r527",
      "r528",
      "r529",
      "r530",
      "r531",
      "r532",
      "r533"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items.",
        "label": "Accounting Standards Update and Change in Accounting Principle [Table]",
        "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Table]"
       }
      }
     },
     "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "ACCOUNTING PRONOUNCEMENTS RECENTLY ADOPTED AND ACCOUNTING PRONOUNCEMENTS TO BE ADOPTED"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NoninterestExpense": {
     "auth_ref": [
      "r483"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total aggregate amount of all noninterest expense.",
        "label": "Noninterest Expense",
        "terseLabel": "Other expenses",
        "totalLabel": "Total other expenses"
       }
      }
     },
     "localname": "NoninterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NoninterestExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Noninterest Expense [Abstract]",
        "terseLabel": "Other expenses:"
       }
      }
     },
     "localname": "NoninterestExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NoninterestIncome": {
     "auth_ref": [
      "r482"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.",
        "label": "Noninterest Income",
        "terseLabel": "Other revenues",
        "totalLabel": "Total other revenues"
       }
      }
     },
     "localname": "NoninterestIncome",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NoninterestIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Noninterest Income [Abstract]",
        "terseLabel": "Other revenues:"
       }
      }
     },
     "localname": "NoninterestIncomeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NoninterestIncomeOther": {
     "auth_ref": [
      "r482"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NoninterestIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.",
        "label": "Noninterest Income, Other",
        "terseLabel": "Other",
        "verboseLabel": "Other revenue"
       }
      }
     },
     "localname": "NoninterestIncomeOther",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NonperformingFinancingReceivableMember": {
     "auth_ref": [
      "r178",
      "r239"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Category status of financial instruments in which payments are past due in accordance with the terms of the contract. Financial instruments include, but are not limited to, financing receivables, loans, debt, and investments.",
        "label": "Nonperforming Financial Instruments [Member]",
        "terseLabel": "Nonperforming"
       }
      }
     },
     "localname": "NonperformingFinancingReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent": {
     "auth_ref": [
      "r83",
      "r405",
      "r504"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount for notes payable (written promise to pay), due to related parties.",
        "label": "Notes Payable, Related Parties",
        "terseLabel": "Accrued interest"
       }
      }
     },
     "localname": "NotesPayableRelatedPartiesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NotesReceivableGross": {
     "auth_ref": [
      "r238",
      "r243",
      "r244"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_NotesReceivableNet",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before allowance for credit loss, of financing receivable.",
        "label": "Financing Receivable, before Allowance for Credit Loss",
        "netLabel": "Finance receivables - Personal loans",
        "terseLabel": "Net finance receivables",
        "totalLabel": "Total",
        "verboseLabel": "Net finance receivables (includes loans of consolidated VIEs of $8.9 billion in 2020 and $8.4 billion in 2019)"
       }
      }
     },
     "localname": "NotesReceivableGross",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NotesReceivableNet": {
     "auth_ref": [
      "r12",
      "r168",
      "r238"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.",
        "label": "Financing Receivable, after Allowance for Credit Loss",
        "totalLabel": "Net finance receivables, less unearned insurance premium and claim reserves and allowance for finance receivable losses"
       }
      }
     },
     "localname": "NotesReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NotesReceivableRelatedParties": {
     "auth_ref": [
      "r83",
      "r405",
      "r505"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.",
        "label": "Notes Receivable, Related Parties",
        "terseLabel": "Notes receivable from parent"
       }
      }
     },
     "localname": "NotesReceivableRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeasePayments": {
     "auth_ref": [
      "r400",
      "r401"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.",
        "label": "Operating Lease, Payments",
        "terseLabel": "Cash paid for amounts included in the measurement of operating lease liabilities"
       }
      }
     },
     "localname": "OperatingLeasePayments",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingSegmentsMember": {
     "auth_ref": [
      "r150",
      "r151",
      "r152",
      "r153",
      "r155",
      "r161"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Operating Segments [Member]",
        "terseLabel": "Consumer and Insurance"
       }
      }
     },
     "localname": "OperatingSegmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]",
        "terseLabel": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherAssets": {
     "auth_ref": [
      "r6",
      "r463",
      "r494"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of assets classified as other.",
        "label": "Other Assets",
        "netLabel": "Other assets",
        "terseLabel": "Other assets",
        "verboseLabel": "Other assets"
       }
      }
     },
     "localname": "OtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of other assets.",
        "label": "Other Assets, Fair Value Disclosure",
        "terseLabel": "Other assets"
       }
      }
     },
     "localname": "OtherAssetsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax": {
     "auth_ref": [
      "r31",
      "r38",
      "r382",
      "r383",
      "r386"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax",
        "terseLabel": "Foreign currency translation adjustments"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax": {
     "auth_ref": [
      "r33",
      "r34",
      "r38"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.",
        "label": "OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax",
        "terseLabel": "Net change in unrealized gains on non-credit impaired available-for-sale securities"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax": {
     "auth_ref": [
      "r33",
      "r34",
      "r39"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": 4.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.",
        "label": "OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax",
        "negatedLabel": "Net change in unrealized gains on non-credit impaired available-for-sale securities"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax": {
     "auth_ref": [
      "r41",
      "r49",
      "r387",
      "r389",
      "r394"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax, before reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), before Reclassifications, Net of Tax",
        "terseLabel": "Other comprehensive income (loss) before reclassifications"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax": {
     "auth_ref": [
      "r31",
      "r39",
      "r384",
      "r393"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": 3.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax",
        "negatedLabel": "Foreign currency translation adjustments"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]",
        "terseLabel": "Other comprehensive income:"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r44",
      "r47",
      "r352",
      "r353",
      "r357"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent",
        "totalLabel": "Other comprehensive income, net of tax",
        "verboseLabel": "Other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax": {
     "auth_ref": [
      "r39",
      "r352"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan.",
        "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax",
        "negatedTerseLabel": "Retirement plan liability adjustments"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossTaxParentheticalDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]",
        "terseLabel": "Income tax effect:"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossTaxParentheticalDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherLiabilities": {
     "auth_ref": [
      "r471"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities classified as other.",
        "label": "Other Liabilities",
        "netLabel": "Other liabilities",
        "terseLabel": "Other liabilities",
        "verboseLabel": "Other liabilities"
       }
      }
     },
     "localname": "OtherLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLongTermInvestments": {
     "auth_ref": [
      "r20",
      "r503"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_TradingSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term investments classified as other.",
        "label": "Other Long-term Investments",
        "terseLabel": "Other long-term investments"
       }
      }
     },
     "localname": "OtherLongTermInvestments",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLongTermInvestmentsMember": {
     "auth_ref": [
      "r534"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Long-term investments classified as other.",
        "label": "Other Long-term Investments [Member]",
        "terseLabel": "Other long-term investments"
       }
      }
     },
     "localname": "OtherLongTermInvestmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherNoncashIncomeExpense": {
     "auth_ref": [
      "r72"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.",
        "label": "Other Noncash Income (Expense)",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "OtherNoncashIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNoninterestExpense": {
     "auth_ref": [
      "r483"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NoninterestExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of noninterest expense classified as other.",
        "label": "Other Noninterest Expense",
        "terseLabel": "Other operating expenses"
       }
      }
     },
     "localname": "OtherNoninterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PastDueFinancingReceivablesTableTextBlock": {
     "auth_ref": [
      "r182",
      "r183",
      "r235",
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of aging analysis for financing receivable.",
        "label": "Financing Receivable, Past Due [Table Text Block]",
        "terseLabel": "Summary of net finance receivables by type and by days delinquent"
       }
      }
     },
     "localname": "PastDueFinancingReceivablesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PaymentsForLossesAndLossAdjustmentExpense": {
     "auth_ref": [
      "r68",
      "r516"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InsuranceDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of reinsurance, of payments to settle insured claims and pay costs incurred in the claims settlement process.",
        "label": "Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid",
        "negatedTotalLabel": "Total"
       }
      }
     },
     "localname": "PaymentsForLossesAndLossAdjustmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForProceedsFromLoansReceivable": {
     "auth_ref": [
      "r74",
      "r75"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net amount paid or received by the reporting entity associated with purchase (sale or collection) of loans receivable arising from the financing of goods and services.",
        "label": "Payments for (Proceeds from) Loans Receivable",
        "negatedLabel": "Net principal collections (originations) of finance receivables held for investment and held for sale"
       }
      }
     },
     "localname": "PaymentsForProceedsFromLoansReceivable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForProceedsFromOtherInvestingActivities": {
     "auth_ref": [
      "r60",
      "r62",
      "r84"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash (inflow) outflow from investing activities classified as other.",
        "label": "Payments for (Proceeds from) Other Investing Activities",
        "negatedLabel": "Other, net"
       }
      }
     },
     "localname": "PaymentsForProceedsFromOtherInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfCommonStock": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to reacquire common stock during the period.",
        "label": "Payments for Repurchase of Common Stock",
        "negatedLabel": "Common stock repurchased and retired"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividends": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.",
        "label": "Payments of Dividends",
        "negatedLabel": "Cash dividends",
        "terseLabel": "Payments of dividends"
       }
      }
     },
     "localname": "PaymentsOfDividends",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.",
        "label": "Payment, Tax Withholding, Share-based Payment Arrangement",
        "negatedTerseLabel": "Withholding tax on share-based compensation"
       }
      }
     },
     "localname": "PaymentsRelatedToTaxWithholdingForShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt": {
     "auth_ref": [
      "r58",
      "r61",
      "r196"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Payments to Acquire Debt Securities, Available-for-sale",
        "negatedLabel": "Available-for-sale securities purchased"
       }
      }
     },
     "localname": "PaymentsToAcquireAvailableForSaleSecuritiesDebt",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireOtherInvestments": {
     "auth_ref": [
      "r62"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to acquire investments classified as other.",
        "label": "Payments to Acquire Other Investments",
        "negatedTerseLabel": "Other securities purchased"
       }
      }
     },
     "localname": "PaymentsToAcquireOtherInvestments",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToFundLongtermLoansToRelatedParties": {
     "auth_ref": [
      "r61",
      "r404"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates.",
        "label": "Payments to Fund Long-term Loans to Related Parties",
        "negatedLabel": "Cash advances on intercompany notes receivables"
       }
      }
     },
     "localname": "PaymentsToFundLongtermLoansToRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PerformingFinancingReceivableMember": {
     "auth_ref": [
      "r178",
      "r239"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Category status of financial instruments in which payments are received or paid on a timely basis in accordance with the terms of the contract. Financial instruments include, but are not limited to, financing receivables, loans, debt instruments, and investments.",
        "label": "Performing Financial Instruments [Member]",
        "terseLabel": "Performing"
       }
      }
     },
     "localname": "PerformingFinancingReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PolicyholderBenefitsAndClaimsIncurredNet": {
     "auth_ref": [
      "r490",
      "r512"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NoninterestExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred.",
        "label": "Policyholder Benefits and Claims Incurred, Net",
        "terseLabel": "Insurance policy benefits and claims"
       }
      }
     },
     "localname": "PolicyholderBenefitsAndClaimsIncurredNet",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PortionAtFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r377"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured at fair value for financial reporting purposes.",
        "label": "Portion at Fair Value Measurement [Member]",
        "terseLabel": "Portion at Fair Value Measurement"
       }
      }
     },
     "localname": "PortionAtFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company.",
        "label": "Preferred Stock [Member]",
        "terseLabel": "Preferred stock"
       }
      }
     },
     "localname": "PreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PrincipalForgivenessMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan modification for a reduction in the amount of unpaid principal on a loan.",
        "label": "Principal Forgiveness [Member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "PrincipalForgivenessMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PriorPeriodReclassificationAdjustmentDescription": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for reclassification affecting comparability of financial statement. Excludes amendment to accounting standards, other change in accounting principle, and correction of error.",
        "label": "Reclassification, Comparability Adjustment [Policy Text Block]",
        "terseLabel": "RECLASSIFICATIONS"
       }
      }
     },
     "localname": "PriorPeriodReclassificationAdjustmentDescription",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties": {
     "auth_ref": [
      "r59",
      "r404"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow associated with collection, whether partial or full, of long-term loans to a related party. Alternate caption: Proceeds from Advances to Affiliates.",
        "label": "Proceeds from Collection of Long-term Loans to Related Parties",
        "terseLabel": "Proceeds from repayments of principal on intercompany note to parent"
       }
      }
     },
     "localname": "ProceedsFromCollectionOfLongtermLoansToRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromContributionsFromAffiliates": {
     "auth_ref": [
      "r64"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.",
        "label": "Proceeds from Contributions from Affiliates",
        "terseLabel": "Cash contribution of related party",
        "verboseLabel": "Equity contribution"
       }
      }
     },
     "localname": "ProceedsFromContributionsFromAffiliates",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromContributionsFromParent": {
     "auth_ref": [
      "r64"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from parent as a source of financing that is recorded as additional paid in capital.",
        "label": "Proceeds from Contributions from Parent",
        "terseLabel": "Proceeds from contributions from parent"
       }
      }
     },
     "localname": "ProceedsFromContributionsFromParent",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromDebtNetOfIssuanceCosts": {
     "auth_ref": [
      "r63"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.",
        "label": "Proceeds from Debt, Net of Issuance Costs",
        "terseLabel": "Proceeds from issuance of long-term debt, net of commissions"
       }
      }
     },
     "localname": "ProceedsFromDebtNetOfIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities": {
     "auth_ref": [
      "r58",
      "r59",
      "r196"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Proceeds from Sale and Maturity of Debt Securities, Available-for-sale",
        "terseLabel": "Available-for-sale securities called, sold, and matured"
       }
      }
     },
     "localname": "ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments": {
     "auth_ref": [
      "r60"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows_1": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow associated with the sale and maturity (principal being due) of other investments, prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy.",
        "label": "Proceeds from Sale and Maturity of Other Investments",
        "terseLabel": "Other securities called, sold, and matured"
       }
      }
     },
     "localname": "ProceedsFromSaleAndMaturityOfOtherInvestments",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProvisionForLoanLossesExpensed": {
     "auth_ref": [
      "r230",
      "r474"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss",
       "weight": -1.0
      },
      "http://www.onemainfinanical.com/role/SegmentInformationDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of credit loss expense (reversal of expense) for financing receivable.",
        "label": "Financing Receivable, Credit Loss, Expense (Reversal)",
        "terseLabel": "Provision for finance receivable losses"
       }
      }
     },
     "localname": "ProvisionForLoanLossesExpensed",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReceivablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Receivables [Abstract]",
        "terseLabel": "Receivables [Abstract]"
       }
      }
     },
     "localname": "ReceivablesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]",
        "terseLabel": "AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax"
       }
      }
     },
     "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments": {
     "auth_ref": [
      "r491",
      "r513",
      "r514",
      "r517"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer.",
        "label": "Reinsurance Recoverable for Unpaid Claims and Claims Adjustments",
        "negatedLabel": "Less reinsurance recoverables",
        "verboseLabel": "Plus reinsurance recoverables"
       }
      }
     },
     "localname": "ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyDomain": {
     "auth_ref": [
      "r301",
      "r404",
      "r405"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Domain]",
        "terseLabel": "Related Party [Domain]"
       }
      }
     },
     "localname": "RelatedPartyDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "auth_ref": [
      "r301",
      "r404",
      "r406",
      "r448",
      "r449",
      "r450",
      "r451",
      "r452",
      "r453",
      "r454",
      "r455",
      "r456",
      "r457",
      "r458",
      "r459"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Axis]",
        "terseLabel": "Related Party [Axis]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RepaymentsOfDebt": {
     "auth_ref": [
      "r66"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.",
        "label": "Repayments of Debt",
        "terseLabel": "Repayments of debt"
       }
      }
     },
     "localname": "RepaymentsOfDebt",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "auth_ref": [
      "r66"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.",
        "label": "Repayments of Long-term Debt",
        "negatedLabel": "Repayment of long-term debt"
       }
      }
     },
     "localname": "RepaymentsOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepaymentsOfRelatedPartyDebt": {
     "auth_ref": [
      "r66"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.",
        "label": "Repayments of Related Party Debt",
        "negatedLabel": "Payments on intercompany note payable"
       }
      }
     },
     "localname": "RepaymentsOfRelatedPartyDebt",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [
      "r197",
      "r294"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities collateralized by residential real estate mortgage loans.",
        "label": "Residential Mortgage Backed Securities [Member]",
        "verboseLabel": "RMBS"
       }
      }
     },
     "localname": "ResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalents": {
     "auth_ref": [
      "r5",
      "r73",
      "r76",
      "r461",
      "r498"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Restricted Cash and Cash Equivalents",
        "netLabel": "Restricted cash and restricted cash equivalents",
        "terseLabel": "Restricted cash and restricted cash equivalents",
        "verboseLabel": "Restricted cash and restricted cash equivalents (includes restricted cash and restricted cash equivalents of consolidated VIEs of $459 million in 2020 and $400 million in 2019)"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/FairValueMeasurementsFairValueCarryingValueHierarchyBasisDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockUnitsRSUMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.",
        "label": "Restricted Stock Units (RSUs) [Member]",
        "terseLabel": "Service-based shares"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r14",
      "r287",
      "r318",
      "r500",
      "r528",
      "r533"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings (Accumulated Deficit)",
        "terseLabel": "Retained earnings"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [
      "r87",
      "r88",
      "r89",
      "r94",
      "r104",
      "r106",
      "r222",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335",
      "r524",
      "r526"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings [Member]",
        "terseLabel": "Retained Earnings"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": {
     "auth_ref": [
      "r402",
      "r403"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.",
        "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability",
        "terseLabel": "Right-of-use assets obtained in exchange for operating lease obligations"
       }
      }
     },
     "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": {
     "auth_ref": [
      "r28"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule itemizing specific types of trade accounts and notes receivable, and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.",
        "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]",
        "terseLabel": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]"
       }
      }
     },
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesHeldforSaleDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNetFinanceReceivablesbyTypeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": {
     "auth_ref": [
      "r28"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.",
        "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]",
        "terseLabel": "Schedule of components of net finance receivables by type"
       }
      }
     },
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": {
     "auth_ref": [
      "r41",
      "r392",
      "r394"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss).",
        "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]",
        "terseLabel": "Changes, net of tax, in accumulated other comprehensive income (loss)"
       }
      }
     },
     "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.",
        "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]",
        "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]"
       }
      }
     },
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": {
     "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": "Debt Securities, Available-for-sale [Line Items]",
        "terseLabel": "Debt Securities, Available-for-sale [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.",
        "label": "Schedule of Available-for-sale Securities Reconciliation [Table Text Block]",
        "terseLabel": "Schedule of the cost/amortized cost, unrealized gains and losses, and fair value of available-for-sale securities by type"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesTable": {
     "auth_ref": [
      "r202",
      "r203",
      "r210",
      "r211",
      "r212",
      "r213",
      "r486",
      "r487"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.",
        "label": "Schedule of Available-for-sale Securities [Table]",
        "terseLabel": "Schedule of Available-for-sale Securities [Table]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable": {
     "auth_ref": [
      "r349",
      "r350"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting each material business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities.",
        "label": "Schedule of Business Acquisitions, by Acquisition [Table]",
        "terseLabel": "Schedule of Business Acquisitions, by Acquisition [Table]"
       }
      }
     },
     "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the change in common stock outstanding.",
        "label": "Schedule of Common Stock Outstanding Roll Forward [Table Text Block]",
        "terseLabel": "Schedule of changes in shares issued and outstanding"
       }
      }
     },
     "localname": "ScheduleOfCommonStockOutstandingRollForwardTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock": {
     "auth_ref": [
      "r170",
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of allowance for credit loss of financing receivable, classified as current.",
        "label": "Financing Receivable, Current, Allowance for Credit Loss [Table Text Block]",
        "terseLabel": "Schedule of changes in the allowance for finance receivable losses by finance receivable type"
       }
      }
     },
     "localname": "ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r117"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Computation of earnings per share"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable": {
     "auth_ref": [
      "r112",
      "r113",
      "r115",
      "r117",
      "r122"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The table contains disclosure pertaining to an entity's basic earnings per share.",
        "label": "Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]",
        "terseLabel": "Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicByCommonClassTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentsLineItems": {
     "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": "Schedule of Equity Method Investments [Line Items]",
        "terseLabel": "Schedule of Equity Method Investments [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentsTable": {
     "auth_ref": [
      "r3",
      "r78",
      "r216",
      "r217",
      "r381"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summarization of information required and determined to be disclosed concerning equity method investments in common stock. The summarized information includes: (a) the name of each investee or group of investees for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available.",
        "label": "Schedule of Equity Method Investments [Table]",
        "terseLabel": "Schedule of Equity Method Investments [Table]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentsTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/BusinessandBasisofPresentationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": {
     "auth_ref": [
      "r367",
      "r368"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).",
        "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]",
        "terseLabel": "Schedule of assets and liabilities measured at fair value on a recurring basis"
       }
      }
     },
     "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable": {
     "auth_ref": [
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about allowance for credit loss on financing receivable.",
        "label": "Financing Receivable, Allowance for Credit Loss [Table]",
        "terseLabel": "Financing Receivable, Allowance for Credit Loss [Table]"
       }
      }
     },
     "localname": "ScheduleOfFinancingReceivableAllowanceForCreditLossesTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesByTypeandImpairmentMethodDetails",
      "http://www.onemainfinanical.com/role/AllowanceforFinanceReceivableLossesChangesinAllowancebyTypeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable": {
     "auth_ref": [
      "r180",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about financing receivable modified as troubled debt restructuring.",
        "label": "Financing Receivable, Troubled Debt Restructuring [Table]",
        "terseLabel": "Financing Receivable, Troubled Debt Restructuring [Table]"
       }
      }
     },
     "localname": "ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesModifiedasTDRNonPerformingFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesNewVolumeofTDRHFIHFSFinanceReceivablesDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRAverageNetReceivablesHFIandHFSandFinanceChargesRecognizedDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesTDRFinanceReceivableHFIandHFSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFinancingReceivablesPastDueTable": {
     "auth_ref": [
      "r235",
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about aging analysis for financing receivable.",
        "label": "Financing Receivable, Past Due [Table]",
        "terseLabel": "Financing Receivable, Past Due [Table]"
       }
      }
     },
     "localname": "ScheduleOfFinancingReceivablesPastDueTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyNumberofDaysDeliquentDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesDelinquentandNonperformingFinanceReceivablesbyYearofOriginationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfImpairedFinancingReceivableTable": {
     "auth_ref": [
      "r177"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of the recorded investment, unpaid principal balance, associated allowance, average recorded investment, accounting policies, and interest income recognized on the accrual and cash basis for impaired financing receivables by class of financing receivable.",
        "label": "Schedule of Impaired Financing Receivable [Table]",
        "terseLabel": "Schedule of Impaired Financing Receivable [Table]"
       }
      }
     },
     "localname": "ScheduleOfImpairedFinancingReceivableTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesChangesinAccretableYieldForPurchasedCreditImpairedHFIandHFSDetails",
      "http://www.onemainfinanical.com/role/FinanceReceivablesPurchasedCreditImpairedFinanceReceivablesHFIDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense": {
     "auth_ref": [
      "r518"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims.",
        "label": "Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]",
        "terseLabel": "Changes in the reserve for unpaid claims and loss adjustment expenses"
       }
      }
     },
     "localname": "ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": {
     "auth_ref": [
      "r276"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt.",
        "label": "Schedule of Maturities of Long-term Debt [Table Text Block]",
        "terseLabel": "Schedule of principal maturities of long-term debt"
       }
      }
     },
     "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "auth_ref": [
      "r145",
      "r148",
      "r154",
      "r258"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table]",
        "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": {
     "auth_ref": [
      "r145",
      "r148",
      "r154",
      "r258"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]",
        "terseLabel": "Information about the Company's segments"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems": {
     "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": "Debt and Equity Securities, FV-NI [Line Items]",
        "terseLabel": "Debt and Equity Securities, FV-NI [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security with change in fair value recognized in net income (FV-NI).",
        "label": "Debt Securities, Trading, and Equity Securities, FV-NI [Table]",
        "terseLabel": "Debt Securities, Trading, and Equity Securities, FV-NI [Table]"
       }
      }
     },
     "localname": "ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTable": {
     "auth_ref": [
      "r354",
      "r355",
      "r359",
      "r360",
      "r361",
      "r362",
      "r363",
      "r364",
      "r365"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table]",
        "terseLabel": "Schedule of Variable Interest Entities [Table]"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": {
     "auth_ref": [
      "r361",
      "r362",
      "r363",
      "r364",
      "r365"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table Text Block]",
        "terseLabel": "Carrying amounts of consolidated VIE assets and liabilities"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentDomain": {
     "auth_ref": [
      "r133",
      "r136",
      "r137",
      "r138",
      "r139",
      "r140",
      "r141",
      "r142",
      "r143",
      "r144",
      "r145",
      "r146",
      "r147",
      "r150",
      "r151",
      "r152",
      "r153",
      "r155",
      "r156",
      "r157",
      "r158",
      "r159",
      "r161",
      "r166",
      "r519"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Segments [Domain]",
        "terseLabel": "Segments [Domain]"
       }
      }
     },
     "localname": "SegmentDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting [Abstract]",
        "terseLabel": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r133",
      "r134",
      "r135",
      "r145",
      "r149",
      "r155",
      "r159",
      "r160",
      "r161",
      "r162",
      "r164",
      "r165",
      "r166",
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingInformationLineItems": {
     "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": "Segment Reporting Information [Line Items]",
        "terseLabel": "Segment Reporting Information [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingInformationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SeniorNotesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured (general) creditors.",
        "label": "Senior Notes [Member]",
        "terseLabel": "Senior Debt"
       }
      }
     },
     "localname": "SeniorNotesMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r70"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of noncash expense for share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Noncash Expense",
        "terseLabel": "Share-based compensation expense, net of forfeitures"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StatementBusinessSegmentsAxis": {
     "auth_ref": [
      "r1",
      "r133",
      "r136",
      "r137",
      "r138",
      "r139",
      "r140",
      "r141",
      "r142",
      "r143",
      "r144",
      "r145",
      "r146",
      "r147",
      "r150",
      "r151",
      "r152",
      "r153",
      "r155",
      "r156",
      "r157",
      "r158",
      "r159",
      "r161",
      "r166",
      "r258",
      "r265",
      "r267",
      "r268",
      "r519"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by business segments.",
        "label": "Segments [Axis]",
        "terseLabel": "Segments [Axis]"
       }
      }
     },
     "localname": "StatementBusinessSegmentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r27",
      "r87",
      "r88",
      "r89",
      "r94",
      "r104",
      "r106",
      "r124",
      "r222",
      "r282",
      "r287",
      "r314",
      "r315",
      "r316",
      "r334",
      "r335",
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r394",
      "r524",
      "r525",
      "r526"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components [Axis]"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementLineItems": {
     "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": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]",
        "verboseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]",
        "terseLabel": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]",
        "terseLabel": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Comprehensive Income [Abstract]",
        "terseLabel": "Statement of Comprehensive Income [Abstract]"
       }
      }
     },
     "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]",
        "terseLabel": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "localname": "StatementOfStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [
      "r87",
      "r88",
      "r89",
      "r124",
      "r441"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofComprehensiveIncome",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesNewIssues": {
     "auth_ref": [
      "r10",
      "r11",
      "r282",
      "r287"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of new stock issued during the period.",
        "label": "Stock Issued During Period, Shares, New Issues",
        "terseLabel": "Common shares issued (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyChangesinSharesIssuedandOutstandingDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockRepurchaseProgramAuthorizedAmount1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of stock repurchase plan authorized.",
        "label": "Stock Repurchase Program, Authorized Amount",
        "terseLabel": "Stock repurchase program"
       }
      }
     },
     "localname": "StockRepurchaseProgramAuthorizedAmount1",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchasedAndRetiredDuringPeriodShares": {
     "auth_ref": [
      "r10",
      "r11",
      "r282",
      "r287"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares that have been repurchased and retired during the period.",
        "label": "Stock Repurchased and Retired During Period, Shares",
        "terseLabel": "Shares repurchased and retired (in shares)"
       }
      }
     },
     "localname": "StockRepurchasedAndRetiredDuringPeriodShares",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockRepurchasedAndRetiredDuringPeriodValue": {
     "auth_ref": [
      "r10",
      "r11",
      "r282",
      "r287"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).",
        "label": "Stock Repurchased and Retired During Period, Value",
        "negatedLabel": "Common stock repurchased and retired",
        "terseLabel": "Stock Repurchased and Retired During Period, Value"
       }
      }
     },
     "localname": "StockRepurchasedAndRetiredDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r11",
      "r16",
      "r17",
      "r78",
      "r184",
      "r217",
      "r381"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.",
        "label": "Stockholders' Equity Attributable to Parent",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period",
        "terseLabel": "Total shareholders' equity",
        "totalLabel": "Total shareholders\u2019 equity",
        "verboseLabel": "Retained earnings"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/AccumulatedOtherComprehensiveIncomeLossDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofShareholdersEquity",
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsDetails",
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsReconciliationofSFCtoOMHDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "terseLabel": "Shareholders\u2019 equity:"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityPeriodIncreaseDecrease": {
     "auth_ref": [
      "r282",
      "r287"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) in stockholders' equity during the period.",
        "label": "Stockholders' Equity, Period Increase (Decrease)",
        "negatedLabel": "Equity reduction"
       }
      }
     },
     "localname": "StockholdersEquityPeriodIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/ReconciliationofOneMainFinanceCorporationResultstoOneMainHoldingsIncResultsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [
      "r395",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event [Member]",
        "terseLabel": "Subsequent Event"
       }
      }
     },
     "localname": "SubsequentEventMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r395",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Axis]",
        "terseLabel": "Subsequent Event Type [Axis]"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r395",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Domain]",
        "terseLabel": "Subsequent Event Type [Domain]"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/LongtermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental cash flow information"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense": {
     "auth_ref": [
      "r515"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InsuranceDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement costs.",
        "label": "Current Year Claims and Claims Adjustment Expense",
        "terseLabel": "Current year"
       }
      }
     },
     "localname": "SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense": {
     "auth_ref": [
      "r515"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InsuranceDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred in prior reporting periods and related claims settlement costs.",
        "label": "Prior Year Claims and Claims Adjustment Expense",
        "negatedNetLabel": "Net reserves",
        "verboseLabel": "Prior years"
       }
      }
     },
     "localname": "SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TradingSecurities": {
     "auth_ref": [
      "r473"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_InvestmentsFairValueDisclosure",
       "weight": 1.0
      },
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).",
        "label": "Debt Securities, Trading, and Equity Securities, FV-NI",
        "totalLabel": "Total",
        "verboseLabel": "Other securities"
       }
      }
     },
     "localname": "TradingSecurities",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).",
        "label": "Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]",
        "terseLabel": "Schedule of fair value of other securities by type"
       }
      }
     },
     "localname": "TradingSecuritiesAndCertainTradingAssetsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_TradingSecuritiesDebt": {
     "auth_ref": [
      "r194",
      "r195"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_TradingSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).",
        "label": "Debt Securities, Trading",
        "terseLabel": "Bonds"
       }
      }
     },
     "localname": "TradingSecuritiesDebt",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": {
     "auth_ref": [
      "r204",
      "r205",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r423",
      "r424",
      "r425",
      "r426",
      "r427",
      "r428",
      "r429",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434",
      "r435",
      "r436",
      "r437",
      "r438",
      "r439"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.",
        "label": "Financial Instruments [Domain]",
        "terseLabel": "Financial Instruments [Domain]"
       }
      }
     },
     "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueofOtherSecuritiesDetails",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TreasuryStockAcquiredAverageCostPerShare": {
     "auth_ref": [
      "r288"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total cost of shares repurchased divided by the total number of shares repurchased.",
        "label": "Treasury Stock Acquired, Average Cost Per Share",
        "terseLabel": "Shares repurchased average price per share (in usd per share)"
       }
      }
     },
     "localname": "TreasuryStockAcquiredAverageCostPerShare",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_TreasuryStockSharesRetired": {
     "auth_ref": [
      "r11",
      "r282",
      "r287"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common and preferred stock retired from treasury during the period.",
        "label": "Treasury Stock, Shares, Retired",
        "negatedLabel": "Common shares retired (in shares)"
       }
      }
     },
     "localname": "TreasuryStockSharesRetired",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyChangesinSharesIssuedandOutstandingDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock": {
     "auth_ref": [
      "r180",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of financing receivable modified as troubled debt restructuring.",
        "label": "Financing Receivable, Troubled Debt Restructuring [Table Text Block]",
        "terseLabel": "Schedule of information regarding TDR finance receivables"
       }
      }
     },
     "localname": "TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_TypeOfAdoptionMember": {
     "auth_ref": [
      "r93",
      "r94",
      "r95",
      "r97",
      "r219",
      "r220",
      "r221",
      "r222",
      "r225",
      "r226",
      "r310",
      "r311",
      "r312",
      "r313",
      "r314",
      "r315",
      "r316",
      "r318",
      "r332",
      "r333",
      "r334",
      "r335",
      "r442",
      "r443",
      "r444",
      "r522",
      "r523",
      "r524",
      "r525",
      "r526",
      "r527",
      "r528",
      "r529",
      "r530",
      "r531",
      "r532",
      "r533"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amendment to accounting standards.",
        "label": "Accounting Standards Update [Domain]",
        "terseLabel": "Type of Adoption [Domain]"
       }
      }
     },
     "localname": "TypeOfAdoptionMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USStatesAndPoliticalSubdivisionsMember": {
     "auth_ref": [
      "r294",
      "r534"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Bonds or similar securities issued by state, city, or local US governments or the agencies operated by state, city, or local governments. Debt securities issued by state governments may include bond issuances of US state authorities including, for example, but not limited to, housing authorities, dormitory authorities, and general obligations while debt securities issued by political subdivisions of US states would include, for example, debt issuances by county, borough, city, or municipal governments.",
        "label": "US States and Political Subdivisions Debt Securities [Member]",
        "terseLabel": "Obligations of states, municipalities, and political subdivisions"
       }
      }
     },
     "localname": "USStatesAndPoliticalSubdivisionsMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USTreasuryAndGovernmentMember": {
     "auth_ref": [
      "r294",
      "r485",
      "r534"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This category includes investments in debt securities issued by the United States Department of the Treasury, US Government Agencies and US Government-sponsored Enterprises. Such securities may include treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years), debt securities issued by the Government National Mortgage Association (Ginnie Mae) and debt securities issued by the Federal National Mortgage Association (Fannie Mae) or the Federal Home Loan Mortgage Corporation (Freddie Mac).",
        "label": "US Treasury and Government [Member]",
        "terseLabel": "U.S. government and government sponsored entities"
       }
      }
     },
     "localname": "USTreasuryAndGovernmentMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FairValueMeasurementsAssetsatFairValueRecurringBasisDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesCostAmortizedUnrealizedGainsLossesFVonAFSInvestmentSecuritiesDetails",
      "http://www.onemainfinanical.com/role/InvestmentSecuritiesFairValueandUnrealizedLossesonAFSInvestmentSecuritiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnlikelyToBeCollectedFinancingReceivableMember": {
     "auth_ref": [
      "r178",
      "r239"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing arrangement that represents a contractual right to receive money either on demand or on fixed or determinable dates that are considered uncollectible or of little value. Excludes no recovery or salvage value.",
        "label": "Unlikely to be Collected Financing Receivable [Member]",
        "terseLabel": "Unlikely to be Collected Financing Receivable"
       }
      }
     },
     "localname": "UnlikelyToBeCollectedFinancingReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/FinanceReceivablesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnrecognizedTaxBenefits": {
     "auth_ref": [
      "r321",
      "r327"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of unrecognized tax benefits.",
        "label": "Unrecognized Tax Benefits",
        "terseLabel": "Unrecognized tax benefits, including related interest and penalties"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefits",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UseOfEstimates": {
     "auth_ref": [
      "r125",
      "r126",
      "r127",
      "r128",
      "r129",
      "r130",
      "r131"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "terseLabel": "ESTIMATES"
       }
      }
     },
     "localname": "UseOfEstimates",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/RecentAccountingPronouncementsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount": {
     "auth_ref": [
      "r329"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.",
        "label": "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount",
        "terseLabel": "Increase in net deferred tax asset"
       }
      }
     },
     "localname": "ValuationAllowanceDeferredTaxAssetChangeInAmount",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityDisclosureTextBlock": {
     "auth_ref": [
      "r366"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss.",
        "label": "Variable Interest Entity Disclosure [Text Block]",
        "terseLabel": "Variable Interest Entities"
       }
      }
     },
     "localname": "VariableInterestEntityDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_VariableInterestEntityLineItems": {
     "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": "Variable Interest Entity [Line Items]",
        "terseLabel": "Variable Interest Entity [Line Items]"
       }
      }
     },
     "localname": "VariableInterestEntityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": {
     "auth_ref": [
      "r354",
      "r355",
      "r359",
      "r360",
      "r361"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity.",
        "label": "Variable Interest Entity, Primary Beneficiary [Member]",
        "terseLabel": "Consolidated VIEs"
       }
      }
     },
     "localname": "VariableInterestEntityPrimaryBeneficiaryMember",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.onemainfinanical.com/role/LongtermDebtDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesCarryingAmountofConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesConsolidatedVIEsDetails",
      "http://www.onemainfinanical.com/role/VariableInterestEntitiesRevolvingConduitFacilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment": {
     "auth_ref": [
      "r117"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.",
        "label": "Weighted Average Number Diluted Shares Outstanding Adjustment",
        "terseLabel": "Effect of dilutive securities (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustment",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r111",
      "r117"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Diluted (in shares)",
        "totalLabel": "Weighted average number of shares outstanding (diluted) (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]",
        "terseLabel": "Denominator:"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r110",
      "r117"
     ],
     "calculation": {
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Weighted average number of shares outstanding (basic) (in shares)",
        "verboseLabel": "Basic (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2020-01-31",
     "presentation": [
      "http://www.onemainfinanical.com/role/CapitalStockandEarningsPerShareOMHOnlyComputationofEarningsPerShareDetails",
      "http://www.onemainfinanical.com/role/CondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 9
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22595-107794"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.M.Q2)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=112272810&loc=d3e31137-122693"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=112272810&loc=SL108384541-122693"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "250",
   "URI": "http://asc.fasb.org/topic&trid=2122394"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1448-109256"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1505-109256"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1252-109256"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1278-109256"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=SL5780133-109256"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=121326447&loc=d3e1337-109256"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=120380238&loc=d3e3842-109258"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=120380238&loc=d3e4984-109258"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "http://asc.fasb.org/topic&trid=2144383"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6828210&loc=d3e70191-108054"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "275",
   "URI": "http://asc.fasb.org/topic&trid=2134479"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(j)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "26",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "34",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e8475-108599"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "42",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "280",
   "URI": "http://asc.fasb.org/topic&trid=2134510"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a,b)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(4)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953659-111524"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5066-111524"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "34",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/subtopic&trid=2196772"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "http://asc.fasb.org/subtopic&trid=2196816"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "15",
   "SubTopic": "30",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121585399&loc=d3e13503-111538"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(2)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "30",
   "Topic": "310",
   "URI": "http://asc.fasb.org/subtopic&trid=2196854"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "310",
   "URI": "http://asc.fasb.org/topic&trid=2196771"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121553693&loc=d3e26853-111562"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=SL6283291-111563"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(aa)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(2)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.12)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=SL120269820-111563"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27340-111563"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)-(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27357-111563"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=121645371&loc=d3e27357-111563"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "320",
   "URI": "http://asc.fasb.org/topic&trid=2196928"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(b)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL82887624-210437"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(1)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(2)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(3)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(4)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121646688&loc=SL121648383-210437"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919244-210447"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121647567&loc=SL82921833-210448"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121647567&loc=SL82921835-210448"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "79",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "80",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/subtopic&trid=82887181"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(3)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922895-210455"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121582814&loc=SL82922900-210455"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/subtopic&trid=82887182"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "((a)(1),(b))",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2599-110228"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(d))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=99376301&loc=SL5988623-112600"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3,4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(g)(2)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(i)(2)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(j)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(i)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(01)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(A)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(B)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(C)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(03)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(n)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(a)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(d)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(f)(3)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(a)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "80",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121326096&loc=d3e4534-113899"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(g)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(g)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120383193&loc=d3e11149-113907"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a),(b),(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120383193&loc=d3e11178-113907"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=d3e31917-109318"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=120406818&loc=d3e31931-109318"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "740"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(3)",
   "Topic": "740"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(1)",
   "Topic": "740"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(2)",
   "Topic": "740"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(3)",
   "Topic": "740"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I.5.Q1)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I.7)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.7)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.Fact.1)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.Fact.2)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.C)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=120385591&loc=d3e38679-109324"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "270",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "740",
   "URI": "http://asc.fasb.org/topic&trid=2144680"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "805",
   "URI": "http://asc.fasb.org/topic&trid=2303972"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(i),(j),(k)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5710-111685"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5728-111685"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=d3e5747-111685"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=121559654&loc=SL6228884-111685"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "810",
   "URI": "http://asc.fasb.org/topic&trid=2197479"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(1)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=116690757&loc=d3e13220-108610"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13467-108611"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=121572278&loc=d3e13476-108611"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=120253306&loc=d3e28129-110885"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=121605123&loc=d3e30304-110892"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=109240200&loc=d3e30755-110894"
  },
  "r385": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
  },
  "r386": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32022-110900"
  },
  "r387": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900"
  },
  "r388": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r389": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e640-108580"
  },
  "r390": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r391": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r392": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32262-110900"
  },
  "r394": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901"
  },
  "r396": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399"
  },
  "r398": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399"
  },
  "r399": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e681-108580"
  },
  "r400": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977"
  },
  "r401": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(1)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
  },
  "r402": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(2)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980"
  },
  "r403": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "53",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971"
  },
  "r404": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r405": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r406": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r407": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r408": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662"
  },
  "r409": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)(i)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580"
  },
  "r410": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)(ii)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r411": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r412": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r413": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r414": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r415": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r416": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r417": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r418": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r419": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL34724394-108580"
  },
  "r420": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r421": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r422": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107425-111719"
  },
  "r423": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728"
  },
  "r424": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729"
  },
  "r425": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r426": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r427": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r428": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(4)(i)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r429": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580"
  },
  "r430": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r431": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r432": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(4)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r433": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(5)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r434": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(6)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r435": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(7)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r436": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(b)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r437": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(e)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r438": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(e)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r439": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(e)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580"
  },
  "r440": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "910",
   "URI": "http://asc.fasb.org/extlink&oid=119991564&loc=SL119991595-234733"
  },
  "r441": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.L)",
   "Topic": "924",
   "URI": "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856"
  },
  "r442": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r443": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r444": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r445": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(f)(1)",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r446": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(f)(2)",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r447": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(f)(3)",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r448": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r449": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669619-108580"
  },
  "r450": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r451": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r452": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r453": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r454": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r455": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r456": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r457": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r458": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(1)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r459": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(2)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580"
  },
  "r460": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "320",
   "Topic": "940",
   "URI": "http://asc.fasb.org/subtopic&trid=2176304"
  },
  "r461": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(1)(a))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r462": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10)(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r463": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r464": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r465": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r466": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r467": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r468": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(6))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r469": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(7)(2))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=SL7669625-108580"
  },
  "r470": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(7))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r471": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r472": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r473": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.4)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r474": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r475": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r476": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r477": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(26))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r478": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(27))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r479": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.1-5)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121641772&loc=d3e557-108580"
  },
  "r480": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.10)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r481": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.12)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r482": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.13)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r483": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.14)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r484": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.7,8)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r485": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(b)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120252992&loc=d3e62557-112803"
  },
  "r486": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120252992&loc=d3e62557-112803"
  },
  "r487": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803"
  },
  "r488": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/subtopic&trid=2209399"
  },
  "r489": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=121640130&loc=d3e1436-108581"
  },
  "r490": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=99397103&loc=d3e6811-158387"
  },
  "r491": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=99397103&loc=d3e6824-158387"
  },
  "r492": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(13)(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r493": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r494": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(10))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r495": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r496": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(13)(a)(1))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r497": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r498": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(2))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r499": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r500": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r501": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r502": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r503": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.1(f))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r504": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.17)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r505": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.3)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r506": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r507": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r508": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(22))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r509": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(23))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r510": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(9))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r511": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04.1,4)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r512": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04.5)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r513": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "310",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=99404803&loc=d3e21412-158489"
  },
  "r514": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437"
  },
  "r515": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437"
  },
  "r516": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(c)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437"
  },
  "r517": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(cc)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437"
  },
  "r518": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437"
  },
  "r519": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(24))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r520": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(d)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121643868&loc=SL117782755-158439"
  },
  "r521": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121639165&loc=SL117819544-158441"
  },
  "r522": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r523": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r524": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r525": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(1)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r526": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(2)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r527": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(1)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r528": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(i)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r529": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(ii)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(25))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r530": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(iii)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r531": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(iv)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r532": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(h)(1)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r533": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(h)(2)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641"
  },
  "r534": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=121641442&loc=d3e19393-158473"
  },
  "r535": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "944",
   "URI": "http://asc.fasb.org/topic&trid=2303980"
  },
  "r536": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "320",
   "Topic": "946",
   "URI": "http://asc.fasb.org/subtopic&trid=2324412"
  },
  "r537": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "310",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=120238483&loc=d3e48678-111004"
  },
  "r538": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 4))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r539": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(7)(c))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r540": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r541": {
   "Name": "Form 10-Q",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-13"
  },
  "r542": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1-"
  },
  "r543": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r544": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r545": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "11",
   "Subsection": "03"
  },
  "r546": {
   "Footnote": "4",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "28"
  },
  "r547": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Paragraph": "i",
   "Publisher": "SEC",
   "Section": "3",
   "Subsection": "10"
  },
  "r548": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Paragraph": "(m)",
   "Publisher": "SEC",
   "Section": "4",
   "Subparagraph": "(1)(iii)",
   "Subsection": "08"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(4))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "220",
   "URI": "http://asc.fasb.org/topic&trid=2134417"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3151-108585"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(17))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3044-108585"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3095-108585"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121586364&loc=d3e3098-108585"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(g)(1)(ii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(1)(iii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h)(1)(i))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(k)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04.(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21914-107793"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21930-107793"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21711-107793"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=115929471&loc=d3e21728-107793"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(4)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
  }
 },
 "version": "2.1"
}
