{
 "instance": {
  "clls-20230630.htm clls-ex99_1.htm": {
   "axisCustom": 10,
   "axisStandard": 30,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2023": 9,
    "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full": 1126
   },
   "contextCount": 336,
   "dts": {
    "calculationLink": {
     "local": [
      "clls-20230630_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "clls-20230630_def.xml"
     ]
    },
    "inline": {
     "local": [
      "clls-20230630.htm",
      "clls-ex99_1.htm"
     ]
    },
    "labelLink": {
     "local": [
      "clls-20230630_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "clls-20230630_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "clls-20230630.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd",
      "https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd",
      "https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd",
      "https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd",
      "https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd",
      "https://xbrl.sec.gov/country/2023/country-2023.xsd",
      "https://xbrl.sec.gov/currency/2023/currency-2023.xsd",
      "https://xbrl.sec.gov/dei/2023/dei-2023.xsd",
      "https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd"
     ]
    }
   },
   "elementCount": 1085,
   "entityCount": 1,
   "hidden": {
    "http://www.cellectis.com/20230630": 1,
    "http://xbrl.sec.gov/dei/2023": 5,
    "total": 6
   },
   "keyCustom": 222,
   "keyStandard": 234,
   "memberCustom": 66,
   "memberStandard": 28,
   "nsprefix": "clls",
   "nsuri": "http://www.cellectis.com/20230630",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-20230630.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "100000 - Document - Cover Page",
     "menuCat": "Cover",
     "order": "1",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-20230630.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100140 - Disclosure - Scope of consolidation and non-consolidated entities",
     "menuCat": "Notes",
     "order": "10",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntities1",
     "shortName": "Scope of consolidation and non-consolidated entities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100150 - Disclosure - Information concerning the Group's Consolidated Operations",
     "menuCat": "Notes",
     "order": "11",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperations",
     "shortName": "Information concerning the Group's Consolidated Operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100160 - Disclosure - Discontinued operations",
     "menuCat": "Notes",
     "order": "12",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperations",
     "shortName": "Discontinued operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100170 - Disclosure - Impairment tests",
     "menuCat": "Notes",
     "order": "13",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/ImpairmentTests",
     "shortName": "Impairment tests",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100190 - Disclosure - Right-of-use assets",
     "menuCat": "Notes",
     "order": "14",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssets",
     "shortName": "Right-of-use assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100200 - Disclosure - Property, plant and equipment",
     "menuCat": "Notes",
     "order": "15",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipment",
     "shortName": "Property, plant and equipment",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100210 - Disclosure - Non-current Financial Assets",
     "menuCat": "Notes",
     "order": "16",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssets1",
     "shortName": "Non-current Financial Assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100240 - Disclosure - Trade receivables and other current assets",
     "menuCat": "Notes",
     "order": "17",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssets",
     "shortName": "Trade receivables and other current assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100250 - Disclosure - Current financial assets and Cash and cash equivalents",
     "menuCat": "Notes",
     "order": "18",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalents",
     "shortName": "Current financial assets and Cash and cash equivalents",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100260 - Disclosure - Financial liabilities",
     "menuCat": "Notes",
     "order": "19",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilities",
     "shortName": "Financial liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:IntangibleAssetsAndGoodwill",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100010 - Statement - Condensed Consolidated Statements of Financial Position",
     "menuCat": "Statements",
     "order": "2",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition",
     "shortName": "Condensed Consolidated Statements of Financial Position",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:NoncurrentAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100270 - Disclosure - Other current liabilities",
     "menuCat": "Notes",
     "order": "20",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilities",
     "shortName": "Other current liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100280 - Disclosure - Deferred revenues and contract liabilities",
     "menuCat": "Notes",
     "order": "21",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilities",
     "shortName": "Deferred revenues and contract liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100290 - Disclosure - Share capital and premium related to the share capitals",
     "menuCat": "Notes",
     "order": "22",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitals",
     "shortName": "Share capital and premium related to the share capitals",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100300 - Disclosure - Non-cash stock-based compensation",
     "menuCat": "Notes",
     "order": "23",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensation1",
     "shortName": "Non-cash stock-based compensation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100310 - Disclosure - Earnings per share",
     "menuCat": "Notes",
     "order": "24",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShare",
     "shortName": "Earnings per share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfProvisionsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100320 - Disclosure - Provisions",
     "menuCat": "Notes",
     "order": "25",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/Provisions",
     "shortName": "Provisions",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfProvisionsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCommitmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100330 - Disclosure - Commitments",
     "menuCat": "Notes",
     "order": "26",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/Commitments",
     "shortName": "Commitments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfCommitmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100350 - Disclosure - Subsequent events",
     "menuCat": "Notes",
     "order": "27",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/SubsequentEvents",
     "shortName": "Subsequent events",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100360 - Disclosure - Accounting principles (Policies)",
     "menuCat": "Policies",
     "order": "28",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciplesPolicies",
     "shortName": "Accounting principles (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_a50113a8-1a75-408b-a67a-a30970ef38a1",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:ImpactOfDeconsolidationOfFinancialStatementsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100370 - Disclosure - Scope of consolidation and non-consolidated entities (Tables)",
     "menuCat": "Tables",
     "order": "29",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables",
     "shortName": "Scope of consolidation and non-consolidated entities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_a50113a8-1a75-408b-a67a-a30970ef38a1",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:ImpactOfDeconsolidationOfFinancialStatementsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100030 - Statement - Condensed Consolidated Statements of Operations (Unaudited)",
     "menuCat": "Statements",
     "order": "3",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited",
     "shortName": "Condensed Consolidated Statements of Operations (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:ProfitLossFromContinuingOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfRevenueExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100380 - Disclosure - Information concerning the Group's Consolidated Operations (Tables)",
     "menuCat": "Tables",
     "order": "30",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables",
     "shortName": "Information concerning the Group's Consolidated Operations (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfRevenueExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:ScheduleOfIncomeStatementOfDiscontinuedOperationsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100390 - Disclosure - Discontinued operations (Tables)",
     "menuCat": "Tables",
     "order": "31",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables",
     "shortName": "Discontinued operations (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:ScheduleOfIncomeStatementOfDiscontinuedOperationsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutBreakdownOfRightOfUseAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100410 - Disclosure - Right-of-use assets (Tables)",
     "menuCat": "Tables",
     "order": "32",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsTables",
     "shortName": "Right-of-use assets (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutBreakdownOfRightOfUseAssetsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100420 - Disclosure - Property, plant and equipment (Tables)",
     "menuCat": "Tables",
     "order": "33",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentTables",
     "shortName": "Property, plant and equipment (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100430 - Disclosure - Non-current Financial Assets (Tables)",
     "menuCat": "Tables",
     "order": "34",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsTables",
     "shortName": "Non-current Financial Assets (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100450 - Disclosure - Trade receivables and other current assets (Tables)",
     "menuCat": "Tables",
     "order": "35",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsTables",
     "shortName": "Trade receivables and other current assets (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100460 - Disclosure - Current financial assets and Cash and cash equivalents (Tables)",
     "menuCat": "Tables",
     "order": "36",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
     "shortName": "Current financial assets and Cash and cash equivalents (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100470 - Disclosure - Financial liabilities (Tables)",
     "menuCat": "Tables",
     "order": "37",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesTables",
     "shortName": "Financial liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100480 - Disclosure - Other current liabilities (Tables)",
     "menuCat": "Tables",
     "order": "38",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesTables",
     "shortName": "Other current liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutDeferredRevenuesAndContractLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100490 - Disclosure - Deferred revenues and contract liabilities (Tables)",
     "menuCat": "Tables",
     "order": "39",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilitiesTables",
     "shortName": "Deferred revenues and contract liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutDeferredRevenuesAndContractLiabilitiesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProfitLoss",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100070 - Statement - Unaudited Interim Statements of Consolidated Comprehensive Income (Loss)",
     "menuCat": "Statements",
     "order": "4",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss",
     "shortName": "Unaudited Interim Statements of Consolidated Comprehensive Income (Loss)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100500 - Disclosure - Share capital and premium related to the share capitals (Tables)",
     "menuCat": "Tables",
     "order": "40",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsTables",
     "shortName": "Share capital and premium related to the share capitals (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfNumberAndWeightedAverageGrantDateFairValueOfSharesOutstandingExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100510 - Disclosure - Non-cash stock-based compensation (Tables)",
     "menuCat": "Tables",
     "order": "41",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables",
     "shortName": "Non-cash stock-based compensation (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfNumberAndWeightedAverageGrantDateFairValueOfSharesOutstandingExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100520 - Disclosure - Earnings per share (Tables)",
     "menuCat": "Tables",
     "order": "42",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareTables",
     "shortName": "Earnings per share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutProvisionsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100530 - Disclosure - Provisions (Tables)",
     "menuCat": "Tables",
     "order": "43",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsTables",
     "shortName": "Provisions (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfDetailedInformationAboutProvisionsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfScheduleOfCommitmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100540 - Disclosure - Commitments (Tables)",
     "menuCat": "Tables",
     "order": "44",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsTables",
     "shortName": "Commitments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfScheduleOfCommitmentsExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_70dc1b9c-b75c-4311-b5f8-02365dc6b537",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary",
      "reportCount": 1,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100550 - Disclosure - The Company - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "45",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail",
     "shortName": "The Company - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
       "div",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_3dd2d0ce-f728-4999-8561-03c2f6a2f8b8",
      "decimals": "2",
      "lang": null,
      "name": "ifrs-full:ParValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CashAndCashEquivalents",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100560 - Disclosure - Accounting Principles - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "46",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciplesAdditionalInformationDetail",
     "shortName": "Accounting Principles - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_70dc1b9c-b75c-4311-b5f8-02365dc6b537",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProportionOfOwnershipInterestInSubsidiary",
      "reportCount": 1,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100570 - Disclosure - Scope of Consolidation and Non-Consolidated Entities - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "47",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
     "shortName": "Scope of Consolidation and Non-Consolidated Entities - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_e3aaeffb-47ed-4c49-9f8e-88d15cc2d2c9",
      "decimals": "3",
      "lang": null,
      "name": "clls:PercentageOfShareholdingDilutedOfMergedEntity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100580 - Disclosure - Scope of Consolidation and Non-Consolidated Entities - Impact of Deconsolidation on Group's Financial Statements (Detail)",
     "menuCat": "Details",
     "order": "48",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
     "shortName": "Scope of Consolidation and Non-Consolidated Entities - Impact of Deconsolidation on Group's Financial Statements (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:ImpactOfDeconsolidationOfFinancialStatementsTableTextBlock",
       "div",
       "clls:DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_b626c5f2-9365-4a57-8597-36833e037798",
      "decimals": "0",
      "lang": null,
      "name": "ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100590 - Disclosure - Information Concerning the Group's Consolidated Operations - Revenues by Country of Origin and Other Income (Detail)",
     "menuCat": "Details",
     "order": "49",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Revenues by Country of Origin and Other Income (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "lang": null,
      "name": "clls:ResearchTaxCreditAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProfitLoss",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100080 - Statement - Unaudited Interim Statements of Consolidated Cash Flows",
     "menuCat": "Statements",
     "order": "5",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows",
     "shortName": "Unaudited Interim Statements of Consolidated Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "lang": null,
      "name": "clls:NetIncomeLossFromDiscontinuedOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:UpfrontsRevenue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100600 - Disclosure - Information Concerning the Group's Consolidated Operations - Revenues by Nature (Detail)",
     "menuCat": "Details",
     "order": "50",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Revenues by Nature (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:UpfrontsRevenue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:IncreaseDecreaseInForeignExchangeGainsAndLosses",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100610 - Disclosure - Information Concerning the Group's Consolidated Operations - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "51",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:IncreaseDecreaseInForeignExchangeGainsAndLosses",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CostOfMerchandiseSold",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100620 - Disclosure - Information Concerning the Group's Consolidated Operations - Details of Operating Expenses by Nature (Detail)",
     "menuCat": "Details",
     "order": "52",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Details of Operating Expenses by Nature (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CostOfMerchandiseSold",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:InterestIncomeOnCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100630 - Disclosure - Information Concerning the Group's Consolidated Operations - Details of Financial Income and Expenses (Detail)",
     "menuCat": "Details",
     "order": "53",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Details of Financial Income and Expenses (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:InterestIncomeOnCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:IncomeTaxExpenseContinuingOperations",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100640 - Disclosure - Information Concerning the Group's Consolidated Operations - Disclosure of Income Tax (Expense or Income) (Detail)",
     "menuCat": "Details",
     "order": "54",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Disclosure of Income Tax (Expense or Income) (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Revenue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100670 - Disclosure - Information Concerning the Group's Consolidated Operations - Summary of Key Performance Indicators by Reportable Segments (Detail)",
     "menuCat": "Details",
     "order": "55",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
     "shortName": "Information Concerning the Group's Consolidated Operations - Summary of Key Performance Indicators by Reportable Segments (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "div",
       "ifrs-full:DisclosureOfBasisOfConsolidationExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_cc09928a-ae1b-4a82-9783-a734e2c66daa",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:RevenueAndOperatingIncome",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
       "div",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "ifrs-full:NumberOfSharesOutstanding",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100680 - Disclosure - Discontinued Operations - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "56",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
     "shortName": "Discontinued Operations - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d092b05b-6ec0-4c04-b779-046477b2f099",
      "decimals": "INF",
      "lang": null,
      "name": "ifrs-full:NumberOfSharesOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_d397051a-02a9-4b5f-9924-fb84ff863a49",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:RevenueAndOperatingIncome",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100690 - Disclosure - Discontinued Operations - Schedule Of Income Statement Of Discontinued Operations (Detail)",
     "menuCat": "Details",
     "order": "57",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
     "shortName": "Discontinued Operations - Schedule Of Income Statement Of Discontinued Operations (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:ScheduleOfIncomeStatementOfDiscontinuedOperationsTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_554cf7e8-a1e2-428b-8c5a-f208a2d060ea",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:RevenueAndOperatingIncome",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100700 - Disclosure - Discontinued Operations -  Schedule Of Cash Flow Statement Of Discontinued Operations (Detail)",
     "menuCat": "Details",
     "order": "58",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
     "shortName": "Discontinued Operations -  Schedule Of Cash Flow Statement Of Discontinued Operations (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:ScheduleOfCashFlowStatementOfDiscontinuedOperationsTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_554cf7e8-a1e2-428b-8c5a-f208a2d060ea",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:IntangibleAssetsAndGoodwill",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100710 - Disclosure - Discontinued Operations - Summary of Assets and Liabilities Held For Sale (Detail)",
     "menuCat": "Details",
     "order": "59",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
     "shortName": "Discontinued Operations - Summary of Assets and Liabilities Held For Sale (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutAssetsAndLiabilitiesHeldForSaleDiscontinuedOperationsExplanatoryTableTextBlock",
       "div",
       "ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_5d4194a9-23b3-43d6-ae83-1d527bbcbdd2",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:IntangibleAssetsAndGoodwill",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_3dd2d0ce-f728-4999-8561-03c2f6a2f8b8",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100100 - Statement - Unaudited Condensed Consolidated Statements of Changes in Shareholders' Equity",
     "menuCat": "Statements",
     "order": "6",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
     "shortName": "Unaudited Condensed Consolidated Statements of Changes in Shareholders' Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_3f9a60f3-799d-4852-843b-7117dc0c37bc",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ImpairmentLoss",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100720 - Disclosure - Impairment Tests - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "60",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/ImpairmentTestsAdditionalInformationDetail",
     "shortName": "Impairment Tests - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ImpairmentLoss",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_232fbc23-8efe-48a4-856b-70e4e6a8fa92",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:IntangibleAssetsAndGoodwill",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100740 - Disclosure - Intangible Assets - Details Information About Intangible Assets (Detail)",
     "menuCat": "Details",
     "order": "61",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail",
     "shortName": "Intangible Assets - Details Information About Intangible Assets (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:RightofuseAssets",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100750 - Disclosure - Right-of-use Assets - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "62",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
     "shortName": "Right-of-use Assets - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_232fbc23-8efe-48a4-856b-70e4e6a8fa92",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:RightofuseAssets",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100760 - Disclosure - Right-of-use Assets - Details Information About Breakdown Of Right Of Use Assets (Detail)",
     "menuCat": "Details",
     "order": "63",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail",
     "shortName": "Right-of-use Assets - Details Information About Breakdown Of Right Of Use Assets (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutBreakdownOfRightOfUseAssetsExplanatory",
       "div",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:AdditionsToRightofuseAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_232fbc23-8efe-48a4-856b-70e4e6a8fa92",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:PropertyPlantAndEquipment",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100780 - Disclosure - Property, Plant and Equipment - Disclosure of Property, Plant and Equipment (Detail)",
     "menuCat": "Details",
     "order": "64",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail",
     "shortName": "Property, Plant and Equipment - Disclosure of Property, Plant and Equipment (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
       "div",
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:PropertyPlantAndEquipment",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100790 - Disclosure - Property, Plant and Equipment - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "65",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
     "shortName": "Property, Plant and Equipment - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:LongtermDeposits",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100800 - Disclosure - Non-current Financial Assets - Summary of Non-current Financial Assets (Detail)",
     "menuCat": "Details",
     "order": "66",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail",
     "shortName": "Non-current Financial Assets - Summary of Non-current Financial Assets (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:LongtermDeposits",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:DiminutionRelatedToSupplierDepositReimbursement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100810 - Disclosure - Non-current Financial Assets - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "67",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
     "shortName": "Non-current Financial Assets - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:DiminutionRelatedToSupplierDepositReimbursement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:FinancialLiabilities",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100820 - Disclosure - Financial Assets and Liabilities - Summary of Financial Assets and Liabilities (Detail)",
     "menuCat": "Details",
     "order": "68",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail",
     "shortName": "Financial Assets and Liabilities - Summary of Financial Assets and Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CashAndCashEquivalents",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100830 - Disclosure - Financial Assets and Liabilities - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "69",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
     "shortName": "Financial Assets and Liabilities - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProceedsFromIssuingShares",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100110 - Statement - Unaudited Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)",
     "menuCat": "Statements",
     "order": "7",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
     "shortName": "Unaudited Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "link:footnote",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_a6543c37-dcfd-4764-b91b-d1c261e5539f",
      "decimals": "-2",
      "lang": null,
      "name": "clls:IssuanceCosts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:TradeReceivables",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100850 - Disclosure - Trade Receivables and Other Current Assets - Disclosure of Trade Receivables (Detail)",
     "menuCat": "Details",
     "order": "70",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfTradeReceivablesDetail",
     "shortName": "Trade Receivables and Other Current Assets - Disclosure of Trade Receivables (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfGovernmentGrantsExplanatory",
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:ResearchTaxCreditSubsidiesReceivables",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100860 - Disclosure - Trade Receivables and Other Current Assets - Disclosure of Subsidies Receivables (Detail)",
     "menuCat": "Details",
     "order": "71",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail",
     "shortName": "Trade Receivables and Other Current Assets - Disclosure of Subsidies Receivables (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfGovernmentGrantsExplanatory",
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:ResearchTaxCreditSubsidiesReceivables",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:TradeReceivables",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100870 - Disclosure - Trade Receivables and Other Current Assets - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "72",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail",
     "shortName": "Trade Receivables and Other Current Assets - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "lang": null,
      "name": "clls:OtherRevenuesRecognized",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R73": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOtherCurrentAssetsExplanatory",
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentValueAddedTaxReceivables",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100880 - Disclosure - Trade Receivables and Other Current Assets - Disclosure of Other Current Assets (Detail)",
     "menuCat": "Details",
     "order": "73",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail",
     "shortName": "Trade Receivables and Other Current Assets - Disclosure of Other Current Assets (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOtherCurrentAssetsExplanatory",
       "div",
       "clls:TradeReceivablesAndOtherCurrentAssetsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentValueAddedTaxReceivables",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R74": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentFinancialAssets",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100890 - Disclosure - Current Financial Assets and Cash and Cash Equivalents - Summary of Current Financial Assets and Cash and Cash Equivalents (Detail)",
     "menuCat": "Details",
     "order": "74",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail",
     "shortName": "Current Financial Assets and Cash and Cash Equivalents - Summary of Current Financial Assets and Cash and Cash Equivalents (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_5d3cf3e8-3b04-49ed-8aa5-c6e68c775526",
      "decimals": "-3",
      "lang": null,
      "name": "ifrs-full:CurrentFinancialAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R75": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentRestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100900 - Disclosure - Current Financial Assets and Cash and Cash Equivalents - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "75",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
     "shortName": "Current Financial Assets and Cash and Cash Equivalents - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentRestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R76": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_5e1b48c3-c015-4d48-80b9-9c6a6b2dd123",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:FairValueExpectedOccurrenceOfMostProbableScenarioPlusTwentyPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100940 - Disclosure - Current Financial Assets and Cash and Cash Equivalents - Schedule of Fair Value Through Profit and Loss (Details)",
     "menuCat": "Details",
     "order": "76",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails",
     "shortName": "Current Financial Assets and Cash and Cash Equivalents - Schedule of Fair Value Through Profit and Loss (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_5e1b48c3-c015-4d48-80b9-9c6a6b2dd123",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:FairValueExpectedOccurrenceOfMostProbableScenarioPlusTwentyPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R77": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:BalancesWithBanks",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100950 - Disclosure - Current Financial Assets and Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)",
     "menuCat": "Details",
     "order": "77",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail",
     "shortName": "Current Financial Assets and Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "clls:DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:BalancesWithBanks",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R78": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Advances",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100960 - Disclosure - Financial Liabilities - Schedule of Financial Liabilities (Detail)",
     "menuCat": "Details",
     "order": "78",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail",
     "shortName": "Financial Liabilities - Schedule of Financial Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Advances",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R79": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "ifrs-full:SecuredBankLoansReceived",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100970 - Disclosure - Financial liabilities - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "79",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
     "shortName": "Financial liabilities - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_ef8199fa-3e69-45e3-8687-de639963ea65",
      "decimals": "-5",
      "lang": null,
      "name": "ifrs-full:NoncurrentFinancialLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfActivitiesOfCompanyExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100120 - Disclosure - The Company",
     "menuCat": "Notes",
     "order": "8",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/TheCompany",
     "shortName": "The Company",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:DisclosureOfActivitiesOfCompanyExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R80": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfAssumptionsAndResultsOfTheWarrantsValuationTextBlock",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_a315fda4-af53-4b2e-9774-646a812ebf0e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:GrantDate",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100980 - Disclosure - Financial Liabilities - Schedule of Assumptions of Warrants Valuation (Detail)",
     "menuCat": "Details",
     "order": "80",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail",
     "shortName": "Financial Liabilities - Schedule of Assumptions of Warrants Valuation (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfAssumptionsAndResultsOfTheWarrantsValuationTextBlock",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_a315fda4-af53-4b2e-9774-646a812ebf0e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:GrantDate",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R81": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfAssumptionsAndResultsOfTheWarrantsValuationTextBlock",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_19b92532-d5cd-457f-9661-3d6ec18a4405",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "clls:NumberOfGrantedWarrantsOutstanding",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100990 - Disclosure - Financial Liabilities - Schedule of Results of Warrants Valuation (Detail)",
     "menuCat": "Details",
     "order": "81",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
     "shortName": "Financial Liabilities - Schedule of Results of Warrants Valuation (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfAssumptionsAndResultsOfTheWarrantsValuationTextBlock",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_19b92532-d5cd-457f-9661-3d6ec18a4405",
      "decimals": "2",
      "lang": null,
      "name": "clls:SharePriceOfWarrantsOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_EuroPerShare",
      "xsiNil": "false"
     }
    },
    "R82": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfSensitivityAnalysisOfFairValueToTheExpectedVolatilityExplanatoryTextBlock",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_19b92532-d5cd-457f-9661-3d6ec18a4405",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:FairValueOfExpectedVolatilityAmountLessFivePercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101000 - Disclosure - Financial Liabilities - Schedule of Sensitivity Of The Fair Value To The Expected Volatility (Detail)",
     "menuCat": "Details",
     "order": "82",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail",
     "shortName": "Financial Liabilities - Schedule of Sensitivity Of The Fair Value To The Expected Volatility (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfSensitivityAnalysisOfFairValueToTheExpectedVolatilityExplanatoryTextBlock",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_19b92532-d5cd-457f-9661-3d6ec18a4405",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:FairValueOfExpectedVolatilityAmountLessFivePercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R83": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:LeaseLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101010 - Disclosure - Financial Liabilities - Schedule Representing Due Dates of the Financial Liabilities (Detail)",
     "menuCat": "Details",
     "order": "83",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail",
     "shortName": "Financial Liabilities - Schedule Representing Due Dates of the Financial Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDetailedFinancialLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:LeaseLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R84": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory",
       "div",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentValueAddedTaxPayables",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101020 - Disclosure - Other Current Liabilities - Summary of Other Current Liabilities (Detail)",
     "menuCat": "Details",
     "order": "84",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail",
     "shortName": "Other Current Liabilities - Summary of Other Current Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory",
       "div",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:CurrentValueAddedTaxPayables",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R85": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:DecreaseInOtherCurrentLiabilitiesRelatedToAssetSuppliers",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101030 - Disclosure - Other Current Liabilities - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "85",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesAdditionalInformationDetail",
     "shortName": "Other Current Liabilities - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:DecreaseInOtherCurrentLiabilitiesRelatedToAssetSuppliers",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R86": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:CurrentDeferredRevenuesIncludingCurrentContractLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101040 - Disclosure - Deferred Revenues and Contract Liabilities - Summary of Deferred Revenues and Contract Liabilities (Detail)",
     "menuCat": "Details",
     "order": "86",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilitiesSummaryOfDeferredRevenuesAndContractLiabilitiesDetail",
     "shortName": "Deferred Revenues and Contract Liabilities - Summary of Deferred Revenues and Contract Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:CurrentDeferredRevenuesIncludingCurrentContractLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R87": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:AdjustmentsForIncreaseDecreaseInDeferredRevenuesAndContractLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101050 - Disclosure - Deferred Revenues and Contract Liabilities - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "87",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDeferredRevenuesAndContractLiabilitiesAdditionalInformationDetail",
     "shortName": "Deferred Revenues and Contract Liabilities - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "clls:DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:AdjustmentsForIncreaseDecreaseInDeferredRevenuesAndContractLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R88": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_232fbc23-8efe-48a4-856b-70e4e6a8fa92",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Equity",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101060 - Disclosure - Share capital and premium related to the share capitals - Schedule of Classes of Share Capital (Detail)",
     "menuCat": "Details",
     "order": "88",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
     "shortName": "Share capital and premium related to the share capitals - Schedule of Classes of Share Capital (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
       "div",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "INF",
      "lang": null,
      "name": "ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R89": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "link:footnote",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_1c424cc8-284a-4f77-af62-e0072196a7ec",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:IncreaseDecreaseThroughTransferBetweenRetainedEarningsIntoSharePremium",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101070 - Disclosure - Share capital and premium related to the share capitals - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "89",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
     "shortName": "Share capital and premium related to the share capitals - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "link:footnote",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_1c424cc8-284a-4f77-af62-e0072196a7ec",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "clls:IncreaseDecreaseThroughTransferBetweenRetainedEarningsIntoSharePremium",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100130 - Disclosure - Accounting principles",
     "menuCat": "Notes",
     "order": "9",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciples",
     "shortName": "Accounting principles",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R90": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:OptionVestingPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101080 - Disclosure - Non-cash stock-based compensation - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "90",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
     "shortName": "Non-cash stock-based compensation - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "clls:OptionVestingPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R91": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutShareBasedPaymentArrangementsTextBlock",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_89fe0557-c3da-447a-9347-b0cc2fedf665",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "clls:WeightedAverageSharePriceShareOptionsGrantedPerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_EuroPerShare",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101090 - Disclosure - Non-cash stock-based compensation - Summary of assumptions Vesting Details (Detail)",
     "menuCat": "Details",
     "order": "91",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
     "shortName": "Non-cash stock-based compensation - Summary of assumptions Vesting Details (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutShareBasedPaymentArrangementsTextBlock",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_89fe0557-c3da-447a-9347-b0cc2fedf665",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "clls:WeightedAverageSharePriceShareOptionsGrantedPerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_EuroPerShare",
      "xsiNil": "false"
     }
    },
    "R92": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_f21561f7-8175-435b-889b-cf7328046fa0",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
      "reportCount": 1,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101100 - Disclosure - Non-cash stock-based compensation - Summary of Information on Stock Option Activity (Detail)",
     "menuCat": "Details",
     "order": "92",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
     "shortName": "Non-cash stock-based compensation - Summary of Information on Stock Option Activity (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_c0b76a0a-d82b-4b71-b5d1-d5cd5d4fde2d",
      "decimals": "INF",
      "lang": null,
      "name": "ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R93": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_2e8ce1ec-d7b3-43fe-ac35-fc9e7cdc8f35",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
      "reportCount": 1,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101110 - Disclosure - Non-cash stock-based compensation - Summary of Information on Warrants Activity (Detail)",
     "menuCat": "Details",
     "order": "93",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
     "shortName": "Non-cash stock-based compensation - Summary of Information on Warrants Activity (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_c6ac9f51-b69c-4818-b7ae-5224c464f2d7",
      "decimals": "0",
      "lang": null,
      "name": "ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R94": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfNumberAndWeightedAverageGrantDateFairValueOfSharesOutstandingExplanatory",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_39faabb4-9131-4dd8-8ac6-ecdc16358103",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "reportCount": 1,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101120 - Disclosure - Non-cash stock-based compensation - Summary of Number of Shares Outstanding and Weighted Average Grant Date Fair Value (Detail)",
     "menuCat": "Details",
     "order": "94",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail",
     "shortName": "Non-cash stock-based compensation - Summary of Number of Shares Outstanding and Weighted Average Grant Date Fair Value (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfNumberAndWeightedAverageGrantDateFairValueOfSharesOutstandingExplanatory",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_dbb4dff9-da68-4b85-95c4-67f47f717826",
      "decimals": "0",
      "lang": null,
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R95": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:EarningsPerShareExplanatory",
       "div",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101130 - Disclosure - Earnings Per Share - Details of Earnings Per Share (Detail)",
     "menuCat": "Details",
     "order": "95",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail",
     "shortName": "Earnings Per Share - Details of Earnings Per Share (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ifrs-full:EarningsPerShareExplanatory",
       "div",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_79fb7af1-1b64-418c-a8f5-e9e5654acb1e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R96": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutProvisionsExplanatory",
       "div",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_232fbc23-8efe-48a4-856b-70e4e6a8fa92",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Provisions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101140 - Disclosure - Provisions - Summary of Provisions for Termination Benefits (Detail)",
     "menuCat": "Details",
     "order": "96",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail",
     "shortName": "Provisions - Summary of Provisions for Termination Benefits (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfDetailedInformationAboutProvisionsExplanatory",
       "div",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_232fbc23-8efe-48a4-856b-70e4e6a8fa92",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "ifrs-full:Provisions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R97": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_f6d818e8-5250-4fe9-a5d4-67c31c97f639",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "ifrs-full:AdditionalProvisionsOtherProvisions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101150 - Disclosure - Provisions - Additional Information (Detail)",
     "menuCat": "Details",
     "order": "97",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
     "shortName": "Provisions - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ifrs-full:DisclosureOfProvisionsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_f6d818e8-5250-4fe9-a5d4-67c31c97f639",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "ifrs-full:AdditionalProvisionsOtherProvisions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R98": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfScheduleOfCommitmentsExplanatory",
       "div",
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:PurchaseObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "101180 - Disclosure - Commitments - Schedule of Commitments (Detail)",
     "menuCat": "Details",
     "order": "98",
     "role": "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
     "shortName": "Commitments - Schedule of Commitments (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "clls:DisclosureOfScheduleOfCommitmentsExplanatory",
       "div",
       "ifrs-full:DisclosureOfCommitmentsExplanatory",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "clls-ex99_1.htm",
      "contextRef": "C_90982404-164f-402c-9e5a-027520fef9cd",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "clls:PurchaseObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 97,
   "tag": {
    "clls_AccruedAndUnpaidInterestAccruedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued and unpaid interest accrued.",
        "label": "Accrued And Unpaid Interest Accrued [Member]",
        "terseLabel": "Accrued and unpaid interest accrued [Member]"
       }
      }
     },
     "localname": "AccruedAndUnpaidInterestAccruedMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AdditionalCurrentProvisions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additional current provisions.",
        "label": "Additional Current Provisions",
        "terseLabel": "Current provisions additions"
       }
      }
     },
     "localname": "AdditionalCurrentProvisions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdditionalHoldingPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additional holding period.",
        "label": "Additional Holding Period",
        "terseLabel": "Additional holding period"
       }
      }
     },
     "localname": "AdditionalHoldingPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_AdditionalNonCurrentProvisions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additional non current provisions.",
        "label": "Additional Non Current Provisions",
        "terseLabel": "Non current provisions additions"
       }
      }
     },
     "localname": "AdditionalNonCurrentProvisions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdditionalPaymentEligibleToBeReceived": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additional payment eligible to be received.",
        "label": "Additional Payment Eligible To Be Received",
        "terseLabel": "Additional payment eligible to be received"
       }
      }
     },
     "localname": "AdditionalPaymentEligibleToBeReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdditionalProvisions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additional provisions.",
        "label": "Additional Provisions",
        "terseLabel": "Additions"
       }
      }
     },
     "localname": "AdditionalProvisions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdditionsDeletionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additions deletions other than through business combinations intangible assets other than goodwill.",
        "label": "Additions Deletions Other Than Through Business Combinations Intangible Assets Other Than Goodwill",
        "terseLabel": "Additions to intangible assets"
       }
      }
     },
     "localname": "AdditionsDeletionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdjustedNetProfitLossAttributableToOwnersOfParent": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjusted net profit loss attributable to owners of parent.",
        "label": "Adjusted Net Profit Loss Attributable To Owners Of Parent",
        "terseLabel": "Adjusted net income (loss) attributable to shareholders of Cellectis",
        "totalLabel": "Adjusted net income (loss) attributable to shareholders of Cellectis"
       }
      }
     },
     "localname": "AdjustedNetProfitLossAttributableToOwnersOfParent",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdjustmentofShareBasedCompensationAttributabletoShareholdersofCellectis": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "clls_AdjustedNetProfitLossAttributableToOwnersOfParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustment of share-based compensation attributable to shareholders of Cellectis.",
        "label": "Adjustment of ShareBased Compensation Attributable to Shareholders of Cellectis",
        "terseLabel": "Adjustment of share-based compensation attributable to shareholders of Cellectis"
       }
      }
     },
     "localname": "AdjustmentofShareBasedCompensationAttributabletoShareholdersofCellectis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdjustmentsForDecreaseIncreaseInSubsidiesReceivables": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for decrease increase in subsidies receivables.",
        "label": "Adjustments for decrease increase in subsidies receivables",
        "terseLabel": "Decrease (increase) in subsidies receivables"
       }
      }
     },
     "localname": "AdjustmentsForDecreaseIncreaseInSubsidiesReceivables",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdjustmentsForIncreaseDecreaseInDeferredIncomeAndContractLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 4.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in deferred income and contract liabilities.",
        "label": "Adjustments for increase (decrease) in deferred income and contract liabilities",
        "verboseLabel": "(Decrease) increase in deferred income"
       }
      }
     },
     "localname": "AdjustmentsForIncreaseDecreaseInDeferredIncomeAndContractLiabilities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdjustmentsForIncreaseDecreaseInDeferredRevenuesAndContractLiabilities": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for increase decrease in deferred revenues and contract liabilities.",
        "label": "Adjustments for increase decrease in deferred revenues and contract liabilities",
        "terseLabel": "Increase in deferred revenues and contract liabilities"
       }
      }
     },
     "localname": "AdjustmentsForIncreaseDecreaseInDeferredRevenuesAndContractLiabilities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDeferredRevenuesAndContractLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AdjustmentsForRealizedForeignExchangeLossesGains": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustments for realized foreign exchange losses gains.",
        "label": "Adjustments For Realized Foreign Exchange Losses Gains",
        "terseLabel": "Realized foreign exchange gain (loss)"
       }
      }
     },
     "localname": "AdjustmentsForRealizedForeignExchangeLossesGains",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AgreeementAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement Axis and License.",
        "label": "Agreeement [Axis]"
       }
      }
     },
     "localname": "AgreeementAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_AgreementAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Agreement [Axis]"
       }
      }
     },
     "localname": "AgreementAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_AgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement.",
        "label": "Agreement [Member]"
       }
      }
     },
     "localname": "AgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AgreementOneAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement one.",
        "label": "Agreement One [Axis]"
       }
      }
     },
     "localname": "AgreementOneAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_AgreementOneDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement one.",
        "label": "Agreement One [Domain]"
       }
      }
     },
     "localname": "AgreementOneDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AgreementTwoAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement two",
        "label": "Agreement Two [Axis]"
       }
      }
     },
     "localname": "AgreementTwoAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_AgreementTwoDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement two.",
        "label": "Agreement Two [Domain]"
       }
      }
     },
     "localname": "AgreementTwoDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AllocationOfPriorPeriodLoss": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of allocation of prior period loss.",
        "label": "Allocation of prior period loss",
        "terseLabel": "Allocation of prior period loss"
       }
      }
     },
     "localname": "AllocationOfPriorPeriodLoss",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AllogeneTherapeuticsInc.Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Allogene Therapeutics Inc.",
        "label": "Allogene Therapeutics Inc. [Member]"
       }
      }
     },
     "localname": "AllogeneTherapeuticsInc.Member",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AmendedAndRestatedAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amended and restated agreement.",
        "label": "Amended And Restated Agreement [Member]"
       }
      }
     },
     "localname": "AmendedAndRestatedAgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AmendmentAgreementOneMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amendment agreement one.",
        "label": "Amendment Agreement One [Member]",
        "terseLabel": "Amendment Agreement One [Member]"
       }
      }
     },
     "localname": "AmendmentAgreementOneMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AmericanDepositorySharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "American depository shares.",
        "label": "American Depository Shares [Member]"
       }
      }
     },
     "localname": "AmericanDepositorySharesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AmountConvertibleNoteDueAndPayableInFullCash": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount convertible note due and payable in full cash.",
        "label": "Amount Convertible Note Due and Payable in Full Cash",
        "terseLabel": "Amount of convertible note due and payable in full cash"
       }
      }
     },
     "localname": "AmountConvertibleNoteDueAndPayableInFullCash",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AssetsHeldForSaleIntangibleAssetsAndGoodwill": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Assets held for sale intangible assets and goodwill.",
        "label": "Assets Held For Sale Intangible Assets And Goodwill",
        "terseLabel": "Assets held for sale"
       }
      }
     },
     "localname": "AssetsHeldForSaleIntangibleAssetsAndGoodwill",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AssetsHeldForSalePropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Assets held for sale property plant and equipment.",
        "label": "Assets Held For Sale Property Plant And Equipment",
        "terseLabel": "Assets held for sale"
       }
      }
     },
     "localname": "AssetsHeldForSalePropertyPlantAndEquipment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AssetsPutInServiceMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets Put In Service [Member]",
        "terseLabel": "Assets Put In Service [member]"
       }
      }
     },
     "localname": "AssetsPutInServiceMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AssetsUnderConstruction": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Assets under construction.",
        "label": "Assets Under Construction",
        "terseLabel": "Assets under construction"
       }
      }
     },
     "localname": "AssetsUnderConstruction",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_AssetsUnderConstructionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets Under Construction [Member]"
       }
      }
     },
     "localname": "AssetsUnderConstructionMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_AverageLifeOfOptions": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Average life of options.",
        "label": "Average Life of Options"
       }
      }
     },
     "localname": "AverageLifeOfOptions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_AverageLifeOfOptionsOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Average life of options outstanding",
        "label": "Average Life of Options Outstanding",
        "terseLabel": "Average life of options"
       }
      }
     },
     "localname": "AverageLifeOfOptionsOutstanding",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_AwardGrantPeriodAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Award Grant Period.",
        "label": "Award Grant Period [Axis]"
       }
      }
     },
     "localname": "AwardGrantPeriodAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_AwardGrantPeriodDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Award Grant Period.",
        "label": "Award Grant Period [Domain]"
       }
      }
     },
     "localname": "AwardGrantPeriodDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_BasedOnDevelopmentRegulatoryAndSalesMilestoneMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Based on development regulatory and sales milestone.",
        "label": "Based On Development Regulatory And Sales Milestone [Member]",
        "terseLabel": "Based On Development Regulatory And Sales Milestone [Member]"
       }
      }
     },
     "localname": "BasedOnDevelopmentRegulatoryAndSalesMilestoneMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_BasicEarningsLossPerShareFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Basic earnings loss per share from discontinued operations attributable to ordinary equity holders of parent entity.",
        "label": "Basic Earnings Loss Per Share From Discontinued Operations Attributable To Ordinary Equity Holders Of Parent Entity",
        "terseLabel": "Basic net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations"
       }
      }
     },
     "localname": "BasicEarningsLossPerShareFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_BasisAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Basis.",
        "label": "Basis [Axis]"
       }
      }
     },
     "localname": "BasisAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_BasisDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Basis.",
        "label": "Basis [Domain]"
       }
      }
     },
     "localname": "BasisDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_BuildingsAndOtherOutsideImprovementsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Buildings and other outside improvements.",
        "label": "Buildings And Other Outside Improvements [member]",
        "terseLabel": "Buildings and Other Outside Improvements [member]"
       }
      }
     },
     "localname": "BuildingsAndOtherOutsideImprovementsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CalyxtAtmProgramMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Calyxt ATM Program [Member]"
       }
      }
     },
     "localname": "CalyxtAtmProgramMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CalyxtIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Calyxt Inc.",
        "label": "Calyxt Inc [Member]",
        "verboseLabel": "Calyxt Inc [member]"
       }
      }
     },
     "localname": "CalyxtIncMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CalyxtMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Calyxt.",
        "label": "Calyxt [Member]",
        "terseLabel": "Calyxt [member]"
       }
      }
     },
     "localname": "CalyxtMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CapitalEvolution2023Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Capital evolution 2023.",
        "label": "Capital Evolution 2023 [Member]",
        "terseLabel": "Capital Evolution 2023 [Member]"
       }
      }
     },
     "localname": "CapitalEvolution2023Member",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CapitalStructureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Capital structure.",
        "label": "Capital Structure [Line Items]",
        "terseLabel": "Capital structure [line items]"
       }
      }
     },
     "localname": "CapitalStructureLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_CapitalStructureTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Capital structure.",
        "label": "Capital structure [table]",
        "terseLabel": "Capital structure [table]"
       }
      }
     },
     "localname": "CapitalStructureTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_CarryforwardsThatCanBeOffsetAgainstFutureTaxableProfit": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carryforwards That Can Be Offset Against Future Taxable Profit",
        "label": "Carryforwards That Can Be Offset Against Future Taxable Profit",
        "terseLabel": "Carryforwards limit that can be offset against future taxable profit"
       }
      }
     },
     "localname": "CarryforwardsThatCanBeOffsetAgainstFutureTaxableProfit",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CarryforwardsThatCanBeOffsetAgainstFutureTaxableProfitPercentageProfitExceedingLimit": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carryforwards That Can Be Offset Against Future Taxable Profit, Percentage Profit Exceeding Limit",
        "label": "Carryforwards That Can Be Offset Against Future Taxable Profit, Percentage Profit Exceeding Limit",
        "terseLabel": "Carryforwards limit that can be offset against future taxable profit, additional percentage of profit exceeding the limit"
       }
      }
     },
     "localname": "CarryforwardsThatCanBeOffsetAgainstFutureTaxableProfitPercentageProfitExceedingLimit",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_CarryingAmountAndValueMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value.",
        "label": "Carrying Amount and value [Member]",
        "terseLabel": "Carrying Value [member]"
       }
      }
     },
     "localname": "CarryingAmountAndValueMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CashAndCashEquivalentAndCurrentFinancialAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash and cash equivalent and current financial assets.",
        "label": "Cash and Cash Equivalent and Current Financial Assets",
        "terseLabel": "Cash and cash equivalent and current financial assets"
       }
      }
     },
     "localname": "CashAndCashEquivalentAndCurrentFinancialAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CashAndCashEquivalentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash and cash equivalent.",
        "label": "Cash and Cash Equivalent [member]",
        "terseLabel": "Cash and Cash Equivalents [member]"
       }
      }
     },
     "localname": "CashAndCashEquivalentMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CashAndCashEquivalentsAtEndOfPeriodFromContinuingOperations": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash and cash equivalents at end of period from Continuing operations.",
        "label": "Cash and Cash Equivalents at End of Period From Continuing Operations",
        "terseLabel": "Cash from continuing operations"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtEndOfPeriodFromContinuingOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CashAndCashEquivalentsAtEndOfPeriodFromDiscontinuedOperations": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash and cash equivalents at end of period from discontinued operations.",
        "label": "Cash and Cash Equivalents at End of Period From Discontinued Operations",
        "terseLabel": "Cash from discontinued operations"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtEndOfPeriodFromDiscontinuedOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CashCashAndCashEquivalentsAndCurrentAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash cash and cash equivalents and current assets.",
        "label": "Cash Cash and Cash equivalents and current assets [Member]",
        "terseLabel": "Cash Cash and Cash Equivalents and Current Assets [member]"
       }
      }
     },
     "localname": "CashCashAndCashEquivalentsAndCurrentAssetsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CashFlowsFromNetChangeInNonCurrentFinancialAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of cash flows from net change in non current financial assets.",
        "label": "Cash flows from net change in non current financial assets",
        "negatedLabel": "Net change in non-current financial assets"
       }
      }
     },
     "localname": "CashFlowsFromNetChangeInNonCurrentFinancialAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CellectisBiologicsIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cellectis biologics, Inc.",
        "label": "Cellectis Biologics Inc [Member]",
        "terseLabel": "Cellectis Biologics, Inc. [Member]"
       }
      }
     },
     "localname": "CellectisBiologicsIncMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CellectisExcludingCalyxtMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cellectis excluding calyxt.",
        "label": "Cellectis Excluding Calyxt [Member]",
        "terseLabel": "Cellectis Excluding Calyxt [Member]"
       }
      }
     },
     "localname": "CellectisExcludingCalyxtMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CellectisFollowOnOfferingMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cellectis follow-on offering.",
        "label": "Cellectis Follow-on Offering [Member]"
       }
      }
     },
     "localname": "CellectisFollowOnOfferingMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CellectisIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cellectis, Inc. [Member]",
        "label": "Cellectis Inc [Member]",
        "terseLabel": "Cellectis [member]",
        "verboseLabel": "Cellectis, Inc. [member]"
       }
      }
     },
     "localname": "CellectisIncMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CellectisMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cellectis.",
        "label": "Cellectis [Member]",
        "terseLabel": "Cellectis [member]",
        "verboseLabel": "Cellectis [Member]"
       }
      }
     },
     "localname": "CellectisMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CellectisS.a.Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cellectis S.A. [Member]"
       }
      }
     },
     "localname": "CellectisS.a.Member",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CellectisSaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cellectis SA.",
        "label": "Cellectis SA [Member]"
       }
      }
     },
     "localname": "CellectisSaMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ChangeInFairValueOfForeignExchangeGain": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Change in fair value of foreign exchange gain.",
        "label": "Change In Fair Value Of Foreign Exchange Gain",
        "terseLabel": "Change in fair value of foreign exchange gain"
       }
      }
     },
     "localname": "ChangeInFairValueOfForeignExchangeGain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ChangeInFairValueOfForeignExchangeLoss": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Change in fair value of foreign exchange loss.",
        "label": "Change In Fair Value Of Foreign Exchange Loss"
       }
      }
     },
     "localname": "ChangeInFairValueOfForeignExchangeLoss",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CibusGlobalLlcMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cibus global LLC.",
        "label": "Cibus Global LLC [Member]",
        "terseLabel": "Cibus Global [Member]"
       }
      }
     },
     "localname": "CibusGlobalLlcMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CibusIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cibus, Inc.",
        "label": "Cibus Inc [Member]",
        "terseLabel": "Cibus, Inc. [Member]"
       }
      }
     },
     "localname": "CibusIncMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClassACommonStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class A common stock.",
        "label": "Class A Common Stock [Member]",
        "terseLabel": "Class A Common Stock [Member]"
       }
      }
     },
     "localname": "ClassACommonStockMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClassOfSharesAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class of stock.",
        "label": "Class of shares [Axis]"
       }
      }
     },
     "localname": "ClassOfSharesAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ClassOfSharesDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class Of Shares.",
        "label": "Class Of Shares [Domain]"
       }
      }
     },
     "localname": "ClassOfSharesDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class of warrant or right exercise price of warrants or rights.",
        "label": "Class Of Warrant Or Right Exercise Price Of Warrants Or Rights",
        "terseLabel": "Exercise price per share or per unit of warrants or rights outstanding"
       }
      }
     },
     "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_ClassOfWarrantsOrRightAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class Of Warrants Or Right [Axis]"
       }
      }
     },
     "localname": "ClassOfWarrantsOrRightAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ClassOfWarrantsOrRightDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class Of Warrants Or Right [Domain]"
       }
      }
     },
     "localname": "ClassOfWarrantsOrRightDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClassOfWarrantsOrRightNumberOfSecuritiesCalledByEachWarrantsOrRight": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class of warrants or right number of securities called by each warrants or right.",
        "label": "Class of Warrants or Right Number of Securities Called By Each Warrants or Right",
        "terseLabel": "Class of warrants or right number of securities called by each warrants or right"
       }
      }
     },
     "localname": "ClassOfWarrantsOrRightNumberOfSecuritiesCalledByEachWarrantsOrRight",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_ClientAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Client a.",
        "label": "Client a [member]",
        "terseLabel": "Client A [member]"
       }
      }
     },
     "localname": "ClientAMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClientBMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Client b.",
        "label": "Client b [member]",
        "terseLabel": "Client B [member]"
       }
      }
     },
     "localname": "ClientBMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClientCMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Client c.",
        "label": "Client C [Member]",
        "terseLabel": "Client C [Member]"
       }
      }
     },
     "localname": "ClientCMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClinicalAndRdAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Clinical And RD Agreements [Member]",
        "terseLabel": "Clinical &amp; Research and Development agreements [member]"
       }
      }
     },
     "localname": "ClinicalAndRdAgreementsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ClosingStockPrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Closing stock price.",
        "label": "Closing Stock Price",
        "terseLabel": "Closing stock price"
       }
      }
     },
     "localname": "ClosingStockPrice",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_CollaborationAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "collaboration agreements.",
        "label": "collaboration agreements [Member]"
       }
      }
     },
     "localname": "CollaborationAgreementsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CommercialLitigationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commercial litigation.",
        "label": "Commercial litigation [member]",
        "terseLabel": "Commercial litigation [member]"
       }
      }
     },
     "localname": "CommercialLitigationMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CommercialLitigationOtherComprehensiveIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commercial litigation other comprehensive income.",
        "label": "Commercial Litigation Other Comprehensive Income",
        "terseLabel": "Commercial litigation, OCI"
       }
      }
     },
     "localname": "CommercialLitigationOtherComprehensiveIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ConditionalAdvancesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Conditional Advances.",
        "label": "Conditional Advances"
       }
      }
     },
     "localname": "ConditionalAdvancesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ConsolidatedOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Consolidated operations.",
        "label": "Consolidated operations [abstract]"
       }
      }
     },
     "localname": "ConsolidatedOperationsAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_ConsolidatedOperationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Consolidated operations [line items].",
        "label": "Consolidated operations [line items]",
        "terseLabel": "Consolidated operations [line items]"
       }
      }
     },
     "localname": "ConsolidatedOperationsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ConsolidatedOperationsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Consolidated operations [table].",
        "label": "Consolidated operations [table]",
        "terseLabel": "Consolidated operations [table]"
       }
      }
     },
     "localname": "ConsolidatedOperationsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ContractualGrantOnLoan": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contractual grant on loan.",
        "label": "Contractual Grant on Loan",
        "terseLabel": "Contractual grant on loan"
       }
      }
     },
     "localname": "ContractualGrantOnLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ConversionOfNotesReceivableIntoTradeReceivable": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Conversion of notes receivable into trade receivable.",
        "label": "Conversion Of Notes Receivable Into Trade Receivable",
        "terseLabel": "Conversion of notes receivable into trade receivables"
       }
      }
     },
     "localname": "ConversionOfNotesReceivableIntoTradeReceivable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ConvertibleBondValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible bond value.",
        "label": "Convertible Bond Value",
        "verboseLabel": "Convertible Bond Value"
       }
      }
     },
     "localname": "ConvertibleBondValue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ConvertibleNoteInterestPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible note interest percentage.",
        "label": "Convertible Note Interest Percentage",
        "terseLabel": "Convertible note interest percentage"
       }
      }
     },
     "localname": "ConvertibleNoteInterestPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ConvertibleNoteMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible note.",
        "label": "Convertible Note [Member]"
       }
      }
     },
     "localname": "ConvertibleNoteMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ConvertibleNoteNominalAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible note nominal amount.",
        "label": "Convertible Note Nominal Amount",
        "terseLabel": "Convertible note nominal amount"
       }
      }
     },
     "localname": "ConvertibleNoteNominalAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ConvertibleNotesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible Notes",
        "label": "Convertible Notes [Member]"
       }
      }
     },
     "localname": "ConvertibleNotesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CreditFacilityAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Credit facility agreement.",
        "label": "Credit Facility Agreement [Member]"
       }
      }
     },
     "localname": "CreditFacilityAgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CreditFacilityOneAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Credit facility one.",
        "label": "Credit Facility One [Axis]"
       }
      }
     },
     "localname": "CreditFacilityOneAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_CreditFacilityOneDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Credit facility one.",
        "label": "Credit Facility One [Domain]"
       }
      }
     },
     "localname": "CreditFacilityOneDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CreditfacilityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "CreditFacilityAxis",
        "label": "CreditFacility [Axis]"
       }
      }
     },
     "localname": "CreditfacilityAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_CriteriaAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Criteria.",
        "label": "Criteria [Axis]"
       }
      }
     },
     "localname": "CriteriaAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_CriteriaDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Criteria.",
        "label": "Criteria [Domain]"
       }
      }
     },
     "localname": "CriteriaDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CurrencyTranslationAdjustmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Currency translation adjustment.",
        "label": "Currency Translation Adjustment [Member]",
        "terseLabel": "Currency Translation Adjustment [member]"
       }
      }
     },
     "localname": "CurrencyTranslationAdjustmentMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CurrentAccruedExpensesRelatedToPersonnelExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current accrued expenses related to personnel expenses.",
        "label": "Current Accrued Expenses Related To Personnel Expenses",
        "terseLabel": "Accruals for personnel related expenses"
       }
      }
     },
     "localname": "CurrentAccruedExpensesRelatedToPersonnelExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CurrentDeferredRevenuesIncludingCurrentContractLiabilities": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current deferred revenues including current contract liabilities.",
        "label": "Current Deferred Revenues Including Current Contract Liabilities",
        "terseLabel": "Deferred revenues and contract liabilities"
       }
      }
     },
     "localname": "CurrentDeferredRevenuesIncludingCurrentContractLiabilities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilitiesSummaryOfDeferredRevenuesAndContractLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CurrentFinancialAssetsAndCashAndCashEquivalents": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current financial assets and cash and cash equivalent.",
        "label": "Current Financial Assets And Cash And Cash Equivalents",
        "totalLabel": "Current financial assets and cash and cash equivalents"
       }
      }
     },
     "localname": "CurrentFinancialAssetsAndCashAndCashEquivalents",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CurrentFinancialAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current financial assets.",
        "label": "Current Financial Assets [member]",
        "terseLabel": "Current Financial Assets [member]"
       }
      }
     },
     "localname": "CurrentFinancialAssetsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CurrentFinancialLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current financial liabilities.",
        "label": "Current financial liabilities [member]",
        "terseLabel": "Current Financial Liabilities [member]"
       }
      }
     },
     "localname": "CurrentFinancialLiabilitiesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CurrentLeaseDebtsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current lease debts [Member]",
        "label": "Current lease debts [Member]",
        "terseLabel": "Current lease debts [member]"
       }
      }
     },
     "localname": "CurrentLeaseDebtsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CurrentProvisionsUsed": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Current provisions used.",
        "label": "Current Provisions Used",
        "terseLabel": "Current provisions Amounts used during period"
       }
      }
     },
     "localname": "CurrentProvisionsUsed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CurrentSubsidiesReceivables": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 2.0,
       "parentTag": "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of current grant receivables.",
        "label": "Current subsidies receivables",
        "terseLabel": "Subsidies receivables"
       }
      }
     },
     "localname": "CurrentSubsidiesReceivables",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_CytoviaAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cytovia agreement.",
        "label": "Cytovia Agreement [Member]",
        "terseLabel": "Cytovia Agreement [Member]"
       }
      }
     },
     "localname": "CytoviaAgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CytoviaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cytovia.",
        "label": "Cytovia [Member]"
       }
      }
     },
     "localname": "CytoviaMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_CytoviaTherapeuticsIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cytovia Therapeutics Inc [Member]",
        "terseLabel": "Cytovia Therapeutics, Inc. [Member]"
       }
      }
     },
     "localname": "CytoviaTherapeuticsIncMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_DateMeasurementInputMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Date measurement input.",
        "label": "Date Measurement Input [Member]",
        "terseLabel": "Date"
       }
      }
     },
     "localname": "DateMeasurementInputMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_DecreaseInFinancialIncome": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in financial income.",
        "label": "Decrease In Financial Income"
       }
      }
     },
     "localname": "DecreaseInFinancialIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseInForeignExchangeGainsLosses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in foreign exchange gains losses.",
        "label": "Decrease In Foreign Exchange Gains Losses"
       }
      }
     },
     "localname": "DecreaseInForeignExchangeGainsLosses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseInForeignExchangeLoss": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in foreign exchange loss.",
        "label": "Decrease In Foreign Exchange Loss"
       }
      }
     },
     "localname": "DecreaseInForeignExchangeLoss",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseInLeaseDebtInterestExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in lease debt interest expense.",
        "label": "Decrease In Lease Debt Interest Expense",
        "terseLabel": "Decrease in lease debt interest expense"
       }
      }
     },
     "localname": "DecreaseInLeaseDebtInterestExpense",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseInNetDefinedBenefitLiabilityInDiscountRate": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in net defined benefit liability in discount rate.",
        "label": "Decrease In Net Defined Benefit Liability In Discount Rate",
        "terseLabel": "Decrease in net defined benefit liability in discount rate"
       }
      }
     },
     "localname": "DecreaseInNetDefinedBenefitLiabilityInDiscountRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseInNetDefinedBenefitLiabilityInSalaryIncreaseRate": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in net defined benefit liability in salary increase rate.",
        "label": "Decrease In Net Defined Benefit Liability In Salary Increase Rate",
        "terseLabel": "Decrease of net defined benefit liability"
       }
      }
     },
     "localname": "DecreaseInNetDefinedBenefitLiabilityInSalaryIncreaseRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseInOtherCurrentLiabilitiesRelatedToAssetSuppliers": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease in other current liabilities related to asset suppliers.",
        "label": "Decrease In Other Current Liabilities Related To Asset Suppliers",
        "terseLabel": "Decrease in other current liabilities"
       }
      }
     },
     "localname": "DecreaseInOtherCurrentLiabilitiesRelatedToAssetSuppliers",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactionsEquityAndOtherIfrsAdjustments": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease increase through tax on sharebased payment transactions equity and other IFRS adjustments.",
        "label": "Decrease Increase Through Tax On Sharebased Payment Transactions Equity And Other IFRS Adjustments",
        "terseLabel": "Share-based compensation &amp; other IFRS adjustments"
       }
      }
     },
     "localname": "DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactionsEquityAndOtherIfrsAdjustments",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DefaultProbabilityMeasurementInputMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Default probability Measurement Input.",
        "label": "Default probability Measurement Input [Member]",
        "terseLabel": "Default probability"
       }
      }
     },
     "localname": "DefaultProbabilityMeasurementInputMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_DeferredExpensesAndOtherCurrentAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherCurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred expenses and other current assets.",
        "label": "Deferred Expenses And Other Current Assets",
        "terseLabel": "Deferred expenses and other current assets"
       }
      }
     },
     "localname": "DeferredExpensesAndOtherCurrentAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DeferredTaxAssetsImpairmentOfAssets": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax assets impairment of assets.",
        "label": "Deferred tax assets impairment of assets",
        "negatedLabel": "Impairment of assets"
       }
      }
     },
     "localname": "DeferredTaxAssetsImpairmentOfAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DeferredTaxAssetsOther1": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax assets other.",
        "label": "Deferred tax assets other1",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "DeferredTaxAssetsOther1",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DeferredTaxAssetsPensionCommitments": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax assets pension commitments.",
        "label": "Deferred tax assets pension commitments",
        "negatedLabel": "Pension commitments"
       }
      }
     },
     "localname": "DeferredTaxAssetsPensionCommitments",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DeferredTaxAssetsRevenueRecognition": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax assets revenue recognition",
        "label": "Deferred tax assets revenue recognition",
        "negatedLabel": "Revenue recognition"
       }
      }
     },
     "localname": "DeferredTaxAssetsRevenueRecognition",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DeferredTaxLeasesLiabilities": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax leases liabilities.",
        "label": "Deferred tax leases liabilities",
        "terseLabel": "Leases"
       }
      }
     },
     "localname": "DeferredTaxLeasesLiabilities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DepreciationAndAmortizationExpenseNetOfReversals": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Depreciation and Amortization Expense Net of Reversals",
        "label": "Depreciation and Amortization Expense Net of Reversals",
        "negatedLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationAndAmortizationExpenseNetOfReversals",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DerecognitionOfMinorityInterest": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Derecognition of minority interest.",
        "label": "Derecognition Of Minority Interest",
        "terseLabel": "Derecognition of minority interest"
       }
      }
     },
     "localname": "DerecognitionOfMinorityInterest",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DescriptionOfAccountingPolicyForConsolidatedEntitiesAndNonControllingInterestsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of accounting policy for Consolidated entities and non-controlling interests.",
        "label": "Description of accounting policy for consolidated entities and non-controlling interests [text block]",
        "terseLabel": "Consolidated entities and non-controlling interests"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForConsolidatedEntitiesAndNonControllingInterestsTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciplesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DescriptionOfExpectedTermsOfYearsShareOptionsGranted": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of expected terms of years share options granted.",
        "label": "Description of expected terms of years share options granted",
        "terseLabel": "Expected term (in years)"
       }
      }
     },
     "localname": "DescriptionOfExpectedTermsOfYearsShareOptionsGranted",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DescriptionOfVestingConditionsForSharebasedPaymentArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of vesting conditions for share-based payment arrangement",
        "label": "Description of vesting conditions for share-based payment arrangement",
        "terseLabel": "Vesting conditions"
       }
      }
     },
     "localname": "DescriptionOfVestingConditionsForSharebasedPaymentArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DescriptionOfWarrantValuationMethod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of warrant valuation method.",
        "label": "Description Of Warrant Valuation Method",
        "terseLabel": "Valuation method"
       }
      }
     },
     "localname": "DescriptionOfWarrantValuationMethod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DilutedEarningsLossPerShareFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Diluted earnings loss per share from discontinued operations attributable to ordinary equity holders of parent entity.",
        "label": "Diluted Earnings Loss Per Share From Discontinued Operations Attributable To Ordinary Equity Holders Of Parent Entity",
        "terseLabel": "Diluted net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations"
       }
      }
     },
     "localname": "DilutedEarningsLossPerShareFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_DiminutionRelatedToSupplierDepositReimbursement": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Diminution related to supplier deposit reimbursement.",
        "label": "Diminution Related to Supplier Deposit Reimbursement",
        "terseLabel": "Diminution related to supplier deposit reimbursement"
       }
      }
     },
     "localname": "DiminutionRelatedToSupplierDepositReimbursement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DisclosureOfActivitiesOfCompanyExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of Activities of Company Explanatory",
        "label": "Disclosure of Activities of Company Explanatory",
        "terseLabel": "The Company"
       }
      }
     },
     "localname": "DisclosureOfActivitiesOfCompanyExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompany"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfAssumptionsAndResultsOfTheWarrantsValuationTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of assumptions and results of the warrants valuation.",
        "label": "Disclosure Of Assumptions And Results Of The Warrants Valuation [text Block]",
        "terseLabel": "Schedule of Assumptions and Results of Warrants Valuation"
       }
      }
     },
     "localname": "DisclosureOfAssumptionsAndResultsOfTheWarrantsValuationTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of current financial assets and cash and cash equivalents explanatory.",
        "label": "Disclosure of current financial assets and cash and cash equivalents explanatory [Text Block]",
        "terseLabel": "Current financial assets and Cash and cash equivalents"
       }
      }
     },
     "localname": "DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of current financial assets and cash and cash equivalents.",
        "label": "Disclosure Of Current Financial Assets And Cash And Cash Equivalents [Line Items]",
        "terseLabel": "Disclosure of current financial assets and cash and cash equivalents [line items]"
       }
      }
     },
     "localname": "DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of current financial assets and cash and cash equivalents.",
        "label": "Disclosure of Current Financial Assets and Cash and Cash Equivalents [Table]",
        "terseLabel": "Disclosure of Current Financial Assets and Cash and Cash Equivalents [Table]"
       }
      }
     },
     "localname": "DisclosureOfCurrentFinancialAssetsAndCashAndCashEquivalentsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of deferred revenues and contract liabilities.",
        "label": "Disclosure of deferred revenues and contract liabilities explanatory",
        "terseLabel": "Deferred revenues and contract liabilities"
       }
      }
     },
     "localname": "DisclosureOfDeferredRevenuesAndContractLiabilitiesExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedFinancialLiabilitiesExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure in details of financial liabilities.",
        "label": "Disclosure of detailed financial liabilities explanatory",
        "terseLabel": "Financial liabilities"
       }
      }
     },
     "localname": "DisclosureOfDetailedFinancialLiabilitiesExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutAssetsAndLiabilitiesHeldForSaleDiscontinuedOperationsExplanatoryTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Detailed Information About Assets And Liabilities Held For Sale Discontinued Operations Explanatory.",
        "label": "Disclosure Of Detailed Information About Assets And Liabilities Held For Sale Discontinued Operations Explanatory [Table Text Block]",
        "terseLabel": "Disclosure Of Detailed Information About Assets And Liabilities Held For Sale Discontinued Operations Explanatory"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutAssetsAndLiabilitiesHeldForSaleDiscontinuedOperationsExplanatoryTableTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutBreakdownOfRightOfUseAssetsExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Detailed Information About Breakdown Of Right Of Use Assets Explanatory",
        "label": "Disclosure Of Detailed Information About Breakdown Of Right Of Use Assets Explanatory",
        "terseLabel": "Disclosure Of Detailed Information About Breakdown Of Right Of Use Assets Explanatory"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutBreakdownOfRightOfUseAssetsExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of detailed information about current financial assets and cash and cash equivalents explanatory.",
        "label": "Disclosure Of Detailed Information About Current Financial Assets And Cash And Cash Equivalents Explanatory [Text Block]",
        "terseLabel": "Summary of Current Financial Assets and Cash and Cash Equivalents"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutCurrentFinancialAssetsAndCashAndCashEquivalentsExplanatoryTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutDeferredRevenuesAndContractLiabilitiesExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Detailed Information About deferred revenues and contract liabilities.",
        "label": "Disclosure Of Detailed Information About deferred revenues and contract liabilities [Text Block]",
        "terseLabel": "Details of Deferred Revenues and Contract Liabilities"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutDeferredRevenuesAndContractLiabilitiesExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutFinancialAssetsAndLiabilitiesExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of detailed information about financial assets and liabilities.",
        "label": "Disclosure of detailed information about financial assets and liabilities [text block]",
        "terseLabel": "Summary of Financial Assets and Liabilities"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutFinancialAssetsAndLiabilitiesExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of detailed information about non-current financial assets explanatory.",
        "label": "Disclosure of Detailed Information about Non-current Financial Assets Explanatory [Text Block]",
        "terseLabel": "Summary of Non-current Financial Assets"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutNonCurrentFinancialAssetsExplanatoryTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of detailed information about other current liabilities.",
        "label": "Disclosure of detailed information about other current liabilities [Text Block]",
        "terseLabel": "Summary of Other Current Liabilities"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutProvisionsExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of detailed information about provisions.",
        "label": "Disclosure Of Detailed Information About Provisions [Text Block]",
        "terseLabel": "Details of Provisions"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutProvisionsExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfDetailedInformationAboutShareBasedPaymentArrangementsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discolsure of Detailed Information About Share based Payment Arrangements [Text Block]",
        "label": "Disclosure of detailed information about share based payment arrangements [Text Block]",
        "terseLabel": "Summary of assumptions Vesting Details"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutShareBasedPaymentArrangementsTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfEstimationOfRetirementIndemnityToEmployeeExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of estimation of retirement indemnity to employee explanatory.",
        "label": "Disclosure of estimation of retirement indemnity to employee explanatory",
        "terseLabel": "Schedule of Estimation of Retirement Indemnity to Employee"
       }
      }
     },
     "localname": "DisclosureOfEstimationOfRetirementIndemnityToEmployeeExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfFinancialAssetsAndLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of financial assets and liabilities.",
        "label": "Disclosure Of Financial Assets And Liabilities [Line Items]",
        "terseLabel": "Disclosure of financial assets and liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfFinancialAssetsAndLiabilitiesLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfFinancialAssetsAndLiabilitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of financial assets and liabilities table.",
        "label": "Disclosure Of Financial Assets And Liabilities [Table]",
        "terseLabel": "Disclosure Of Financial Assets And Liabilities [Table]"
       }
      }
     },
     "localname": "DisclosureOfFinancialAssetsAndLiabilitiesTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfInformationAboutConsolidatedAndNonConsolidatedStructuredEntitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about consolidated and non-consolidated structured entities.",
        "label": "Disclosure Of Information About Consolidated And Non-consolidated Structured Entities [Line Items]",
        "terseLabel": "Disclosure of Information about Consolidated and Non-consolidated Structured Entities [Line Items]"
       }
      }
     },
     "localname": "DisclosureOfInformationAboutConsolidatedAndNonConsolidatedStructuredEntitiesLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfInformationAboutConsolidatedAndNonConsolidatedStructuredEntitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about consolidated and non-consolidated structured entities.",
        "label": "Disclosure Of Information About Consolidated And Non-consolidated Structured Entities [Table]"
       }
      }
     },
     "localname": "DisclosureOfInformationAboutConsolidatedAndNonConsolidatedStructuredEntitiesTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of interests in consolidation and non-consolidated entities.",
        "label": "Disclosure of interests in Consolidation and Non-Consolidated Entities [text block]",
        "terseLabel": "Scope of consolidation and non-consolidated entities"
       }
      }
     },
     "localname": "DisclosureOfInterestsInConsolidationAndNonConsolidatedEntitiesTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntities1"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfInventoriesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of inventories.",
        "label": "Disclosure of inventories [line items]",
        "terseLabel": "Disclosure of inventories [line items]"
       }
      }
     },
     "localname": "DisclosureOfInventoriesLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfInventoriesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of inventories.",
        "label": "Disclosure of inventories [table]",
        "terseLabel": "Disclosure of inventories [table]"
       }
      }
     },
     "localname": "DisclosureOfInventoriesTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfKeyPerformanceIndicatorsByReportableSegmentsExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Key Performance Indicators By Reportable Segments Explanatory.",
        "label": "Disclosure Of Key Performance Indicators By Reportable Segments Explanatory",
        "terseLabel": "Summary of Key Performance Indicators by Reportable Segments"
       }
      }
     },
     "localname": "DisclosureOfKeyPerformanceIndicatorsByReportableSegmentsExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The enitre disclosure of non-current financial assets explanatory.",
        "label": "Disclosure of Non-current Financial Assets Explanatory [Text Block]",
        "terseLabel": "Non-current Financial Assets"
       }
      }
     },
     "localname": "DisclosureOfNonCurrentFinancialAssetsExplanatoryTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssets1"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsAndAwardsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options AND Awards [Abstract]",
        "label": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options AND Awards [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsAndAwardsAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsAndAwardsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options and awards [Line Items]",
        "label": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options and awards [Line Items]",
        "terseLabel": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options and awards [Line Items]"
       }
      }
     },
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsAndAwardsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsAndAwardsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options and Awards [Table]",
        "label": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options and Awards [Table]",
        "terseLabel": "Disclosure Of Number And Weighted Average Exercise Prices Of Share Options and Awards [Table]"
       }
      }
     },
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsAndAwardsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfNumberAndWeightedAverageGrantDateFairValueOfSharesOutstandingExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of number and weighted average grant date fair value of shares outstanding [Text Block]",
        "label": "Disclosure of number and weighted average grant date fair value of shares outstanding [Text Block]",
        "terseLabel": "Summary of Number of Shares Outstanding and Weighted Average Grant Date Fair Value"
       }
      }
     },
     "localname": "DisclosureOfNumberAndWeightedAverageGrantDateFairValueOfSharesOutstandingExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfOtherReceivablesPrepaymentsAndOtherCurrentAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of other receivables, prepayments and other current asset.",
        "label": "Disclosure of Other Receivables Prepayments and Other Current Assets [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfOtherReceivablesPrepaymentsAndOtherCurrentAssetsAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Property Plant And Equipment Estimated Useful Lives.",
        "label": "Disclosure Of Property Plant And Equipment Estimated Useful Lives [Text Block]",
        "terseLabel": "Summary of Property Plant and Equipment Estimated Useful Lives"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfProvisionsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Provisions.",
        "label": "Disclosure Of Provisions [Line Items]",
        "terseLabel": "Disclosure of provisions [line items]"
       }
      }
     },
     "localname": "DisclosureOfProvisionsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfProvisionsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Provisions.",
        "label": "Disclosure Of Provisions [Table]",
        "terseLabel": "Disclosure of provisions [table]"
       }
      }
     },
     "localname": "DisclosureOfProvisionsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfRevenueByNatureExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of revenue by nature explanatory.",
        "label": "Disclosure of revenue by nature explanatory [table text block]",
        "terseLabel": "Revenues by Nature"
       }
      }
     },
     "localname": "DisclosureOfRevenueByNatureExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfRevenueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of revenue [line items]",
        "label": "Disclosure of revenue [line items]",
        "terseLabel": "Disclosure of revenue [line items]"
       }
      }
     },
     "localname": "DisclosureOfRevenueLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfRevenueTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of revenue.",
        "label": "Disclosure of Revenue [Table]",
        "terseLabel": "Disclosure of Revenue [Table]"
       }
      }
     },
     "localname": "DisclosureOfRevenueTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfScheduleOfCommitmentsExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure Of Schedule Of Commitments Explanatory",
        "label": "Disclosure Of Schedule Of Commitments Explanatory",
        "terseLabel": "Details of commitments"
       }
      }
     },
     "localname": "DisclosureOfScheduleOfCommitmentsExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DisclosureOfScopeOfConsolidationAndNonConsolidatedEntitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of Scope of consolidation and non-consolidated entities.",
        "label": "Disclosure Of Scope Of Consolidation and Non-Consolidated Entities [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfScopeOfConsolidationAndNonConsolidatedEntitiesAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_DisclosureOfSensitivityAnalysisOfFairValueToTheExpectedVolatilityExplanatoryTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of sensitivity analysis of fair value to the expected volatility explanatory.",
        "label": "Disclosure Of Sensitivity Analysis Of Fair Value To The Expected Volatility Explanatory [Text Block]",
        "terseLabel": "Schedule of Sensitivity Of The Fair Value To The Expected Volatility"
       }
      }
     },
     "localname": "DisclosureOfSensitivityAnalysisOfFairValueToTheExpectedVolatilityExplanatoryTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_DiscontinuedOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discontinued Operations",
        "label": "Discontinued Operations [Abstract]",
        "terseLabel": "Discontinued Operations [Abstract]"
       }
      }
     },
     "localname": "DiscontinuedOperationsAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_DiscontinuedOperationsConsiderationReceived": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discontinued operations, consideration received.",
        "label": "Discontinued Operations Consideration Received",
        "totalLabel": "Consideration received"
       }
      }
     },
     "localname": "DiscontinuedOperationsConsiderationReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DiscontinuedOperationsFairValueOfRetainedInvestment": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": 0.0,
       "parentTag": "clls_DiscontinuedOperationsConsiderationReceived",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discontinued operations, fair value of retained investment.",
        "label": "Discontinued Operations Fair Value Of Retained Investment",
        "terseLabel": "Fair value of the retained investment"
       }
      }
     },
     "localname": "DiscontinuedOperationsFairValueOfRetainedInvestment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DiscountingAdjustmentExpected": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discounting Adjustment Expected",
        "label": "Discounting Adjustment Expected",
        "terseLabel": "Discounting adjustment expected"
       }
      }
     },
     "localname": "DiscountingAdjustmentExpected",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DisposalsAcquisitionsOfPropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disposals acquisitions of property plant and equipment.",
        "label": "Disposals Acquisitions Of Property Plant And Equipment",
        "negatedLabel": "Disposal of tangible assets"
       }
      }
     },
     "localname": "DisposalsAcquisitionsOfPropertyPlantAndEquipment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DisposalsOfRightOfUseAssets": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disposals of right of use assets.",
        "label": "Disposals Of Right Of Use Assets",
        "terseLabel": "Disposals of right-of-use assets"
       }
      }
     },
     "localname": "DisposalsOfRightOfUseAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_DividendYieldTypeDescription": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dividend yield type description.",
        "label": "Dividend Yield Type Description",
        "terseLabel": "Expected dividend yield type description"
       }
      }
     },
     "localname": "DividendYieldTypeDescription",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DueDateAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due Date.",
        "label": "Due Date [Axis]"
       }
      }
     },
     "localname": "DueDateAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_DueDateDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due Date.",
        "label": "Due Date [Domain]"
       }
      }
     },
     "localname": "DueDateDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_DueOnThirtiethAprilTwoThousandAndTwentyThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due On April 30, 2023.",
        "label": "Due On Thirtieth April Two Thousand And Twenty Three [Member]",
        "terseLabel": "Due On April 30, 2023 [Member]"
       }
      }
     },
     "localname": "DueOnThirtiethAprilTwoThousandAndTwentyThreeMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_DueOnThirtiethJuneTwoThousandAndTwentyThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due On June 30, 2023.",
        "label": "Due On Thirtieth June Two Thousand And Twenty Three [Member]",
        "terseLabel": "Due On June 30, 2023 [Member]"
       }
      }
     },
     "localname": "DueOnThirtiethJuneTwoThousandAndTwentyThreeMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EffectiveInterestRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Effective interest rate.",
        "label": "Effective Interest Rate",
        "terseLabel": "Effective interest rate"
       }
      }
     },
     "localname": "EffectiveInterestRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_EffectiveInterestRateOfLoan": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Effective interest rate of loan.",
        "label": "Effective Interest Rate of Loan",
        "terseLabel": "Effective interest rate of loan"
       }
      }
     },
     "localname": "EffectiveInterestRateOfLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_EmployeeLitigationAndSeveranceMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Employee litigation and severance.",
        "label": "Employee litigation and severance [member]",
        "terseLabel": "Employee Litigation and Severance [member]"
       }
      }
     },
     "localname": "EmployeeLitigationAndSeveranceMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EmployeesIncludingChiefExecutiveOfficerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Employees including chief executive officer.",
        "label": "Employees Including Chief Executive Officer [Member]"
       }
      }
     },
     "localname": "EmployeesIncludingChiefExecutiveOfficerMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EmployeesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Employees.",
        "label": "Employees [Member]"
       }
      }
     },
     "localname": "EmployeesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EnteringIntoCreditFacilityAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entering into credit facility agreement.",
        "label": "Entering Into Credit Facility Agreement [Member]"
       }
      }
     },
     "localname": "EnteringIntoCreditFacilityAgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EntityEstimatedFairValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entity Estimated Fair Value.",
        "label": "Entity Estimated Fair Value",
        "terseLabel": "Entity estimated fair value"
       }
      }
     },
     "localname": "EntityEstimatedFairValue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_EntityFairMarketValue": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entity Fair Market Value.",
        "label": "Entity Fair Market Value",
        "terseLabel": "Entity Fair Market Value"
       }
      }
     },
     "localname": "EntityFairMarketValue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_EquityAwardsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity awards.",
        "label": "Equity awards [member]",
        "terseLabel": "Equity awards [member]"
       }
      }
     },
     "localname": "EquityAwardsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EquityInterestReceivableValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity interest receivable value",
        "label": "Equity Interest Receivable Value",
        "verboseLabel": "Equity stake receive"
       }
      }
     },
     "localname": "EquityInterestReceivableValue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_EstimatedFairValueMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Estimated fair value.",
        "label": "Estimated Fair Value [Member]",
        "terseLabel": "Estimated Fair Value [member]"
       }
      }
     },
     "localname": "EstimatedFairValueMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EstimationOfRetirementIndemnityToEmployeeSocialSecurityContributionsPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Estimation of retirement indemnity to employee social security contributions percentage.",
        "label": "Estimation of retirement indemnity to employee social security contributions percentage",
        "terseLabel": "% social security contributions"
       }
      }
     },
     "localname": "EstimationOfRetirementIndemnityToEmployeeSocialSecurityContributionsPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsScheduleOfEstimationOfRetirementIndemnityToEmployeeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_EuropeanInvestmentBankLoan": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "European investment bank loan.",
        "label": "European Investment Bank Loan",
        "terseLabel": "EIB loan"
       }
      }
     },
     "localname": "EuropeanInvestmentBankLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_EuropeanInvestmentBankLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "European Investment Bank Loan",
        "label": "European Investment Bank Loan [Member]",
        "terseLabel": "European Investment Bank Loan [Member]"
       }
      }
     },
     "localname": "EuropeanInvestmentBankLoanMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_EuropeanInvestmentBankWarrants": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "European investment bank warrants.",
        "label": "European investment bank warrants",
        "terseLabel": "EIB warrants"
       }
      }
     },
     "localname": "EuropeanInvestmentBankWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ExchangeRateLoanFromBank": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Exchange rate loan from bank.",
        "label": "Exchange Rate Loan From Bank",
        "terseLabel": "Exchange rate loan from bank"
       }
      }
     },
     "localname": "ExchangeRateLoanFromBank",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ExecutiveOfficersMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Executive Officers [Member]"
       }
      }
     },
     "localname": "ExecutiveOfficersMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ExerciseOfShareWarrantsAndEmployeeWarrantsAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Exercise of share warrants and employee warrants amount.",
        "label": "Exercise of share warrants and employee warrants amount",
        "terseLabel": "Exercise of share warrants and employee warrants, amount"
       }
      }
     },
     "localname": "ExerciseOfShareWarrantsAndEmployeeWarrantsAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ExerciseOfShareWarrantsAndEmployeeWarrantsShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Exercise of share warrants and employee warrants shares, ( number of shares ).",
        "label": "Exercise of share warrants and employee warrants shares",
        "terseLabel": "Exercise of share warrants and employee warrants, shares"
       }
      }
     },
     "localname": "ExerciseOfShareWarrantsAndEmployeeWarrantsShares",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_ExercisePriceOfWarrants": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Exercise price of warrants.",
        "label": "Exercise price of Warrants",
        "terseLabel": "Exercise price (in euros per option)"
       }
      }
     },
     "localname": "ExercisePriceOfWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_ExpectedDividend": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expected dividend",
        "label": "Expected Dividend",
        "terseLabel": "Expected dividends"
       }
      }
     },
     "localname": "ExpectedDividend",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ExpectedDividends": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expected dividends.",
        "label": "Expected Dividends",
        "terseLabel": "Expected dividends"
       }
      }
     },
     "localname": "ExpectedDividends",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ExpectedVolatilityOfOptionsOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expected volatility of options outstanding",
        "label": "Expected Volatility of Options Outstanding",
        "terseLabel": "Expected volatility"
       }
      }
     },
     "localname": "ExpectedVolatilityOfOptionsOutstanding",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ExpenseByNatureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose the amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity.",
        "label": "Expense by Nature [Line Items]",
        "terseLabel": "Expense by nature [line Items]"
       }
      }
     },
     "localname": "ExpenseByNatureLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ExpenseByNatureTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This table concepts are used to disclose the amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity.",
        "label": "Expense By Nature [Table]",
        "terseLabel": "Expense By Nature [Table]"
       }
      }
     },
     "localname": "ExpenseByNatureTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ExpensesIncurredBySubsidiary": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expenses incurred by subsidiary.",
        "label": "Expenses Incurred By Subsidiary"
       }
      }
     },
     "localname": "ExpensesIncurredBySubsidiary",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ExpirationDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expiration Date.",
        "label": "Expiration Date"
       }
      }
     },
     "localname": "ExpirationDate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "clls_ExpirationPeriodOfStockOptionPlan": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expiration period of stock option plan.",
        "label": "Expiration Period of Stock Option Plan",
        "terseLabel": "Stock option expire, years"
       }
      }
     },
     "localname": "ExpirationPeriodOfStockOptionPlan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_FairValueAtMeasurementDateShareOptionsGrantedPerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value at measurement date share options granted per share.",
        "label": "Fair Value at Measurement Date Share Options Granted Per share",
        "terseLabel": "Grant date share fair value"
       }
      }
     },
     "localname": "FairValueAtMeasurementDateShareOptionsGrantedPerShare",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_FairValueExpectedOccurrenceOfMostProbableScenario": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value expected occurrence of most probable scenario.",
        "label": "Fair value expected occurrence of most probable scenario",
        "terseLabel": "Expected occurrence of most probable scenario"
       }
      }
     },
     "localname": "FairValueExpectedOccurrenceOfMostProbableScenario",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueExpectedOccurrenceOfMostProbableScenarioLessTwentyPercentage": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value expected occurrence of most probable scenario less twenty percentage.",
        "label": "Fair value Expected Occurrence of Most Probable Scenario Less Twenty Percentage",
        "terseLabel": "Expected occurrence of most probable scenario -20%"
       }
      }
     },
     "localname": "FairValueExpectedOccurrenceOfMostProbableScenarioLessTwentyPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueExpectedOccurrenceOfMostProbableScenarioPlusTwentyPercentage": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value expected occurrence of most probable scenario plus twenty percentage.",
        "label": "Fair value Expected Occurrence of Most Probable Scenario plus Twenty Percentage",
        "terseLabel": "Expected occurrence of most probable scenario +20%"
       }
      }
     },
     "localname": "FairValueExpectedOccurrenceOfMostProbableScenarioPlusTwentyPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueGrantAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair Value Grant Amount",
        "label": "Fair value grant amount"
       }
      }
     },
     "localname": "FairValueGrantAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueOfExpectedVolatilityAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of expected volatility amount.",
        "label": "Fair Value Of Expected Volatility Amount",
        "terseLabel": "Expected volatility",
        "totalLabel": "Fair value in $ thousands"
       }
      }
     },
     "localname": "FairValueOfExpectedVolatilityAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueOfExpectedVolatilityAmountLessFivePercentage": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of expected volatility amount less five percentage.",
        "label": "Fair Value of Expected Volatility Amount Less Five Percentage",
        "terseLabel": "Expected volatility -5%"
       }
      }
     },
     "localname": "FairValueOfExpectedVolatilityAmountLessFivePercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueOfExpectedVolatilityAmountPlusFivePercentage": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of expected volatility amount plus five percentage.",
        "label": "Fair Value of Expected Volatility Amount Plus Five Percentage",
        "terseLabel": "Expected volatility +5%"
       }
      }
     },
     "localname": "FairValueOfExpectedVolatilityAmountPlusFivePercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueOfLoan": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of loan.",
        "label": "Fair Value of Loan",
        "terseLabel": "Fair value of loan"
       }
      }
     },
     "localname": "FairValueOfLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValueOfPerOptions": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of per options",
        "label": "Fair Value of Per Options",
        "terseLabel": "Fair value per options (in euros per share)"
       }
      }
     },
     "localname": "FairValueOfPerOptions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_FairValueOfWarrants": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of warrants.",
        "label": "Fair Value Of Warrants",
        "terseLabel": "Fair value of warrants",
        "verboseLabel": "Fair value of pre funded warrants"
       }
      }
     },
     "localname": "FairValueOfWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FairValuePerOptions": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value per options.",
        "label": "Fair Value Per Options",
        "terseLabel": "Fair value per options (in euros per share)"
       }
      }
     },
     "localname": "FairValuePerOptions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_FederalTaxAuthorityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Federal tax authority.",
        "label": "Federal Tax Authority [Member]"
       }
      }
     },
     "localname": "FederalTaxAuthorityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FifteenPercentOfIpoProbabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fifteen percent of Ipo probability.",
        "label": "Fifteen Percent Of Ipo Probability [Member]",
        "verboseLabel": "IPO probability 15%"
       }
      }
     },
     "localname": "FifteenPercentOfIpoProbabilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FinanceIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Finance income expense [abstract].",
        "label": "Finance income expense [abstract]"
       }
      }
     },
     "localname": "FinanceIncomeExpenseAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_FinancialInstitutionAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Institution [Axis]"
       }
      }
     },
     "localname": "FinancialInstitutionAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_FinancialInstitutionDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Institution [Domain]"
       }
      }
     },
     "localname": "FinancialInstitutionDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FinancialInstrumentAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financial instrument.",
        "label": "Financial Instrument [Axis]"
       }
      }
     },
     "localname": "FinancialInstrumentAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_FinancialInstrumentDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financial instrument.",
        "label": "Financial Instrument [Domain]"
       }
      }
     },
     "localname": "FinancialInstrumentDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FinancialLiabilitiesExcludingTradesPayableAndOtherCurrentLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financial liabilities excluding trades payable and other current liabilities.",
        "label": "Financial liabilities excluding trades payable and other current liabilities",
        "totalLabel": "Financial liabilities"
       }
      }
     },
     "localname": "FinancialLiabilitiesExcludingTradesPayableAndOtherCurrentLiabilities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_FinancingprogramDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "FinancingProgram",
        "label": "FinancingProgram [Domain]"
       }
      }
     },
     "localname": "FinancingprogramDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FivePercentOfIpoProbabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Five percent Of Ipo probability.",
        "label": "Five Percent Of Ipo Probability [Member]",
        "verboseLabel": "IPO probability 5%"
       }
      }
     },
     "localname": "FivePercentOfIpoProbabilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ForeignCitizensMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Foreign citizens [Member]",
        "label": "Foreign Citizens [Member]",
        "terseLabel": "Foreign citizens [Member]"
       }
      }
     },
     "localname": "ForeignCitizensMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ForeignResidentEmployeesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Foreign Resident Employees.",
        "label": "Foreign Resident Employees [Member]"
       }
      }
     },
     "localname": "ForeignResidentEmployeesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FrenchEmployeesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "French Employees [Member]",
        "label": "French Employees [Member]",
        "terseLabel": "French employees [Member]"
       }
      }
     },
     "localname": "FrenchEmployeesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FrenchResidentEmployeesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "French Resident Employees.",
        "label": "French Resident Employees [Member]"
       }
      }
     },
     "localname": "FrenchResidentEmployeesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FunctionalCurrencyPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Functional currency percentage.",
        "label": "Functional Currency Percentage",
        "terseLabel": "Currency denominated percentage"
       }
      }
     },
     "localname": "FunctionalCurrencyPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_FundingContractTrancheAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Funding Contract Tranche A.",
        "label": "Funding Contract Tranche A [Member]",
        "terseLabel": "Funding Contract Tranche A"
       }
      }
     },
     "localname": "FundingContractTrancheAMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FundingContractTrancheBMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Funding Contract Tranche B.",
        "label": "Funding Contract Tranche B [Member]",
        "terseLabel": "Funding Contract Tranche B"
       }
      }
     },
     "localname": "FundingContractTrancheBMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FundingContractTrancheCMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Funding Contract Tranche C.",
        "label": "Funding Contract Tranche C [Member]",
        "terseLabel": "Funding Contract Tranche C"
       }
      }
     },
     "localname": "FundingContractTrancheCMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_FurnitureFixturesAndOfficeEquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Furniture fixtures and office equipment.",
        "label": "Furniture Fixtures and Office Equipment [member]",
        "terseLabel": "Office Furniture [member]"
       }
      }
     },
     "localname": "FurnitureFixturesAndOfficeEquipmentMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_GainOnFairVaueMeasurment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gain on fair vaue measurment.",
        "label": "Gain on fair vaue measurment"
       }
      }
     },
     "localname": "GainOnFairVaueMeasurment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_Gainonforfeitureofshares": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "GainOnForfeitureOfShares",
        "label": "GainOnForfeitureOfShares",
        "terseLabel": "Gain on forfeiture of shares"
       }
      }
     },
     "localname": "Gainonforfeitureofshares",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_GauranteedBorrowingAmountPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gauranteed borrowing amount percentage.",
        "label": "Gauranteed Borrowing Amount Percentage",
        "verboseLabel": "Guaranteed borrowing amount, percentage"
       }
      }
     },
     "localname": "GauranteedBorrowingAmountPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_GrainAndSeedsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Grain And Seeds [Member]"
       }
      }
     },
     "localname": "GrainAndSeedsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_GrantAndRefundableAdvanceAgreement": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Grant and refundable advance agreement.",
        "label": "Grant and Refundable Advance Agreement",
        "terseLabel": "Grant and refundable advance agreement"
       }
      }
     },
     "localname": "GrantAndRefundableAdvanceAgreement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_GrantAndRefundableAdvanceAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Grant And Refundable Advance Agreement",
        "label": "Grant And Refundable Advance Agreement [Member]",
        "terseLabel": "Grant and refundable advance agreement [Member]"
       }
      }
     },
     "localname": "GrantAndRefundableAdvanceAgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_GrantDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Grant Date.",
        "label": "Grant Date"
       }
      }
     },
     "localname": "GrantDate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "clls_GrantReceivedOnLoan": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Grant received on loan.",
        "label": "Grant Received on Loan",
        "terseLabel": "Grant received on loan"
       }
      }
     },
     "localname": "GrantReceivedOnLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_GrantedInTwoThousandAndTwentyOneMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Granted in two thousand and twenty one.",
        "label": "Granted in Two Thousand And Twenty One [Member]"
       }
      }
     },
     "localname": "GrantedInTwoThousandAndTwentyOneMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_HundredPercentOfDefaultProbabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Hundred percent of default probability.",
        "label": "Hundred Percent Of Default Probability [Member]",
        "terseLabel": "Default probability 100%",
        "verboseLabel": "Default probability 100%"
       }
      }
     },
     "localname": "HundredPercentOfDefaultProbabilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_IFRSFiveMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "IFRS Five.",
        "label": "I F R S Five [Member]",
        "terseLabel": "IFRS 5 [Member]"
       }
      }
     },
     "localname": "IFRSFiveMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ImpactOfDeconsolidationOfFinancialStatementsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Impact of deconsolidation of financial statements.",
        "label": "Impact Of Deconsolidation Of Financial Statements [Table Text Block]",
        "terseLabel": "Impact of Deconsolidation on Group's Financial Statements"
       }
      }
     },
     "localname": "ImpactOfDeconsolidationOfFinancialStatementsTableTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_ImpactOfDerecognitionOfInitialAsset": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Impact of derecognition of initial asset.",
        "label": "Impact of Derecognition of Initial Asset",
        "terseLabel": "Impact of derecognition of initial asset"
       }
      }
     },
     "localname": "ImpactOfDerecognitionOfInitialAsset",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ImpactOfDerecognitionOfTheInitialAsset": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Impact of derecognition of the initial asset.",
        "label": "Impact Of Derecognition Of The Initial Asset",
        "terseLabel": "Impact of derecognition of the initial asset"
       }
      }
     },
     "localname": "ImpactOfDerecognitionOfTheInitialAsset",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ImpactOfEnterpriseResourcePlanningImplementationCostsOnTheIncomeStatement": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Impact of enterprise resource planning implementation costs on the income statement.",
        "label": "Impact of Enterprise Resource Planning Implementation Costs on the Income Statement",
        "terseLabel": "Impact of enterprise resource planning implementation costs on the income statement"
       }
      }
     },
     "localname": "ImpactOfEnterpriseResourcePlanningImplementationCostsOnTheIncomeStatement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ImpactOfRecognitionOfNewAsset": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Impact of recognition of new asset.",
        "label": "Impact of Recognition of New Asset",
        "terseLabel": "Impact of recognition of new asset"
       }
      }
     },
     "localname": "ImpactOfRecognitionOfNewAsset",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncomeStatementLocation1Axis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income Statement Location1 [Axis]",
        "label": "Income Statement Location1 [Axis]",
        "terseLabel": "Income Statement Location1 [Axis]"
       }
      }
     },
     "localname": "IncomeStatementLocation1Axis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_IncomeStatementLocation1Domain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income Statement Location1 [Domain]",
        "label": "Income Statement Location1 [Domain]",
        "terseLabel": "Income Statement Location1 [Domain]"
       }
      }
     },
     "localname": "IncomeStatementLocation1Domain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_IncomeStatementLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income Statement Location",
        "label": "Income Statement Location [Axis]"
       }
      }
     },
     "localname": "IncomeStatementLocationAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_IncomeStatementLocationDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income Statement Location",
        "label": "Income Statement Location [Domain]"
       }
      }
     },
     "localname": "IncomeStatementLocationDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_IncomeTaxAuthorityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax authority.",
        "label": "Income Tax Authority [Axis]"
       }
      }
     },
     "localname": "IncomeTaxAuthorityAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_IncomeTaxAuthorityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax authority.",
        "label": "Income Tax Authority [Domain]"
       }
      }
     },
     "localname": "IncomeTaxAuthorityDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_IncreaseDecreaseInCapital": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in capital.",
        "label": "Increase Decrease In Capital",
        "terseLabel": "Capital increase of Cellectis"
       }
      }
     },
     "localname": "IncreaseDecreaseInCapital",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInCostOfRevenue": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in cost of revenue.",
        "label": "Increase (Decrease) in Cost of Revenue",
        "negatedLabel": "Decrease in cost of revenue"
       }
      }
     },
     "localname": "IncreaseDecreaseInCostOfRevenue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInFinancialExpenses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease (increase) in financial Expenses.",
        "label": "Increase Decrease In Financial Expenses",
        "terseLabel": "Decrease /increase in financial Expenses"
       }
      }
     },
     "localname": "IncreaseDecreaseInFinancialExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInFinancialExpensesLeaseDebt": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase Decrease In Financial Expenses Lease Debt.",
        "label": "Increase Decrease In Financial Expenses Lease Debt"
       }
      }
     },
     "localname": "IncreaseDecreaseInFinancialExpensesLeaseDebt",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInFinancialIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Decrease (increase) in financial income.",
        "label": "Increase Decrease In Financial Income",
        "terseLabel": "Decrease /increase in financial income"
       }
      }
     },
     "localname": "IncreaseDecreaseInFinancialIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInForeignExchangeGainsAndLosses": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in foreign exchange gains and losses.",
        "label": "Increase Decrease In Foreign Exchange Gains And Losses",
        "terseLabel": "Increase (decrease) in net foreign exchange gain"
       }
      }
     },
     "localname": "IncreaseDecreaseInForeignExchangeGainsAndLosses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInForeignExchangeLosses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase Decrease In Foreign Exchange Losses.",
        "label": "Increase Decrease In Foreign Exchange Losses",
        "terseLabel": "Increase/ Decrease in foreign exchange losses"
       }
      }
     },
     "localname": "IncreaseDecreaseInForeignExchangeLosses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInInterestIncomeAndExpenses": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in interest income expense.",
        "label": "Increase Decrease In Interest Income And Expenses",
        "terseLabel": "Decrease (increase) in interest income and expenses"
       }
      }
     },
     "localname": "IncreaseDecreaseInInterestIncomeAndExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInNonCashStockBasedCompensationExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in non-cash stock based compensation expense.",
        "label": "Increase (Decrease) in Non-cash Stock Based Compensation Expense",
        "negatedLabel": "Decrease in non-cash stock based compensation expense"
       }
      }
     },
     "localname": "IncreaseDecreaseInNonCashStockBasedCompensationExpense",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInNumberOfShareOptionsAndWarrants": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in number of share options and warrants.",
        "label": "Increase Decrease In Number Of Share Options And Warrants",
        "terseLabel": "Exercise of share warrants, employee warrants and stock options"
       }
      }
     },
     "localname": "IncreaseDecreaseInNumberOfShareOptionsAndWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_IncreaseDecreaseInOperatingExpenses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in operating expenses.",
        "label": "Increase (Decrease) in Operating Expenses",
        "negatedLabel": "Decrease in total operating expenses",
        "terseLabel": "Decrease in total operating expenses"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInOtherIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in other income.",
        "label": "Increase Decrease In Other Income",
        "terseLabel": "Increase (decrease) in other income"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInOtherOperatingIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in other operating income",
        "label": "Increase (Decrease) in Other Operating Income",
        "negatedLabel": "Decrease in other operating income"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInPurchasesExternalExpensesAndOther": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in purchases, external expenses and other.",
        "label": "Increase (Decrease) in Purchases, External Expenses and Other",
        "negatedLabel": "Decrease in purchases, external expenses and other"
       }
      }
     },
     "localname": "IncreaseDecreaseInPurchasesExternalExpensesAndOther",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInResearchTaxCredit": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (Decrease) In Research Tax Credit",
        "label": "Increase Decrease In Research Tax Credit",
        "terseLabel": "Increase (Decrease) In Research Tax Credit"
       }
      }
     },
     "localname": "IncreaseDecreaseInResearchTaxCredit",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInSocialChargesOnStockOptionsGrantsExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in social charges on stock options grants expense.",
        "label": "Increase (Decrease) in Social Charges on Stock Options Grants Expense",
        "terseLabel": "Increase in social charges on stock options grants expense"
       }
      }
     },
     "localname": "IncreaseDecreaseInSocialChargesOnStockOptionsGrantsExpense",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInTaxBenefitArisingFromPermanentDifferences": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in tax benefit arising from permanent differences.",
        "label": "Increase (Decrease) In Tax Benefit Arising From Permanent Differences",
        "negatedLabel": "Permanent differences"
       }
      }
     },
     "localname": "IncreaseDecreaseInTaxBenefitArisingFromPermanentDifferences",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseInWages": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) in wages.",
        "label": "Increase (Decrease) in Wages",
        "negatedLabel": "Decrease in wages"
       }
      }
     },
     "localname": "IncreaseDecreaseInWages",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseOfCurrentProvisionsThroughOtherComprehensiveIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease of current provisions through other comprehensive income.",
        "label": "Increase Decrease Of Current Provisions Through Other Comprehensive Income",
        "terseLabel": "Current provisions OCI"
       }
      }
     },
     "localname": "IncreaseDecreaseOfCurrentProvisionsThroughOtherComprehensiveIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseOfNonCurrentProvisionsThroughOtherComprehensiveIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease of non current provisions through other comprehensive income.",
        "label": "Increase Decrease Of Non Current Provisions Through Other Comprehensive Income",
        "terseLabel": "Non current provisions OCI"
       }
      }
     },
     "localname": "IncreaseDecreaseOfNonCurrentProvisionsThroughOtherComprehensiveIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseOfProvisionsThroughOtherComprehensiveIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease of provisions through other comprehensive income.",
        "label": "Increase Decrease Of Provisions Through Other Comprehensive Income",
        "terseLabel": "OCI"
       }
      }
     },
     "localname": "IncreaseDecreaseOfProvisionsThroughOtherComprehensiveIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseThroughExerciseOfOptionsAndWarrants": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) through exercise of options and warrants, equity",
        "label": "Increase (decrease) through exercise of options and warrants, equity",
        "terseLabel": "Exercise of share warrants, employee warrants and stock options"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughExerciseOfOptionsAndWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseDecreaseThroughTransactionsWithOwnersShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease through transactions with owners shares ( number of shares ).",
        "label": "Increase decrease through transactions with owners shares",
        "terseLabel": "Capital Increase, Shares"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTransactionsWithOwnersShares",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_IncreaseDecreaseThroughTransferBetweenRetainedEarningsIntoSharePremium": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase (decrease) through transfer between retained earnings into share premium.",
        "label": "Increase Decrease Through Transfer Between Retained Earnings Into Share Premium",
        "terseLabel": "Increase (decrease) through transfer between retained earnings into share premium"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTransferBetweenRetainedEarningsIntoSharePremium",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInDeferredExpensesAndOtherCurrentAssets": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in deferred expenses and other current assets.",
        "label": "Increase In Deferred Expenses And Other Current Assets",
        "terseLabel": "Increase in deferred expenses and other current assets"
       }
      }
     },
     "localname": "IncreaseInDeferredExpensesAndOtherCurrentAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInFinancialExpensesAttributableToLossInFairValueDeconsolidation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in financial expenses attributable to loss in fair value deconsolidation.",
        "label": "Increase in financial expenses attributable to loss in fair value deconsolidation"
       }
      }
     },
     "localname": "IncreaseInFinancialExpensesAttributableToLossInFairValueDeconsolidation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInFinancialIncomeAttributableToProfitFromDeconsolidation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in financial income attributable to profit from deconsolidation.",
        "label": "Increase In Financial Income Attributable to Profit from Deconsolidation",
        "terseLabel": "Increase in financial income attributable to profit from deconsolidation"
       }
      }
     },
     "localname": "IncreaseInFinancialIncomeAttributableToProfitFromDeconsolidation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInGainFromFinancialInvestments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "increase in gain from financial investments.",
        "label": "increase in gain from financial investments"
       }
      }
     },
     "localname": "IncreaseInGainFromFinancialInvestments",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInInterestExpenses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in interest expenses.",
        "label": "Increase in Interest Expenses",
        "terseLabel": "Increase in interest expenses"
       }
      }
     },
     "localname": "IncreaseInInterestExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInNetDefinedBenefitLiabilityInDiscountRate": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in net defined benefit liability in discount rate.",
        "label": "Increase In Net Defined Benefit Liability In Discount Rate",
        "terseLabel": "Increase in net defined benefit liability in discount rate"
       }
      }
     },
     "localname": "IncreaseInNetDefinedBenefitLiabilityInDiscountRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInNetDefinedBenefitLiabilityInSalaryIncreaseRate": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in net defined benefit liability in salary increase rate.",
        "label": "Increase In Net Defined Benefit Liability In Salary Increase Rate",
        "terseLabel": "Increase of net defined benefit liability"
       }
      }
     },
     "localname": "IncreaseInNetDefinedBenefitLiabilityInSalaryIncreaseRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseInOtherFinancialRevenue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in other financial revenue.",
        "label": "Increase In Other Financial Revenue",
        "terseLabel": "Increase in other financial revenue"
       }
      }
     },
     "localname": "IncreaseInOtherFinancialRevenue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IncreaseOfInterestOfLoan": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase of interest of loan.",
        "label": "Increase of Interest of Loan.",
        "terseLabel": "Increase of interest of loan"
       }
      }
     },
     "localname": "IncreaseOfInterestOfLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IndefiniteCarryForwardMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indefinite Carry Forward.",
        "label": "Indefinite Carry Forward [Member]"
       }
      }
     },
     "localname": "IndefiniteCarryForwardMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_InducementPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inducement Plan",
        "label": "Inducement Plan [Member]"
       }
      }
     },
     "localname": "InducementPlanMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_InitialFairValueOfLoan": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Initial fair value of loan.",
        "label": "Initial Fair Value Of Loan",
        "terseLabel": "Initial fair value of loan"
       }
      }
     },
     "localname": "InitialFairValueOfLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IntangibleAssetsAndGoodwillAccumulatedDepreciationAndImpairment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Intangible assets and goodwill accumulated depreciation and impairment.",
        "label": "Intangible assets and goodwill accumulated depreciation and impairment",
        "terseLabel": "Accumulated depreciation and impairment at end of period"
       }
      }
     },
     "localname": "IntangibleAssetsAndGoodwillAccumulatedDepreciationAndImpairment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IntangibleAssetsAndGoodwillGross": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Intangible assets and goodwill gross.",
        "label": "Intangible assets and goodwill gross",
        "terseLabel": "Gross value at end of period"
       }
      }
     },
     "localname": "IntangibleAssetsAndGoodwillGross",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IntangibleAssetsOtherThanGoodwillEstimatedUsefulLife": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Intangible assets other than goodwill estimated useful life.",
        "label": "Intangible Assets Other than Goodwill Estimated Useful Life",
        "terseLabel": "Estimated useful lives"
       }
      }
     },
     "localname": "IntangibleAssetsOtherThanGoodwillEstimatedUsefulLife",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_InterCompanyTransactionsBetweenContinuingAndDiscontinuedOperations": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 10.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inter company transactions between continuing and discontinued operations.",
        "label": "Inter Company Transactions Between Continuing And Discontinued Operations",
        "terseLabel": "Intercompany transactions between continuing and discontinued operations"
       }
      }
     },
     "localname": "InterCompanyTransactionsBetweenContinuingAndDiscontinuedOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_InterestPaidReceivedClassifiedAsOperatingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 6.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest paid received classified as operating activities.",
        "label": "Interest Paid Received Classified As Operating Activities",
        "terseLabel": "Interest (paid) / received"
       }
      }
     },
     "localname": "InterestPaidReceivedClassifiedAsOperatingActivities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_InventoryAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inventory",
        "label": "Inventory [Axis]"
       }
      }
     },
     "localname": "InventoryAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_InventoryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventory [Member]"
       }
      }
     },
     "localname": "InventoryMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_InvesteeAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Investee.",
        "label": "Investee [Axis]"
       }
      }
     },
     "localname": "InvesteeAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_InvesteeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Investee.",
        "label": "Investee [Domain]"
       }
      }
     },
     "localname": "InvesteeDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureCurrentFinancialAssetsAndCashAndCashEquivalentsScheduleOfFairValueThroughProfitAndLossDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_IpoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "IPO",
        "label": "IPO [Member]",
        "terseLabel": "IPO [Member]"
       }
      }
     },
     "localname": "IpoMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_IssuanceCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "issuance costs.",
        "label": "Issuance Costs",
        "terseLabel": "Issuance costs"
       }
      }
     },
     "localname": "IssuanceCosts",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_IssuanceOfCalyxtCommonStockAndExerciseOfCalyxtPrefundedWarrants": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of calyxt common stock and exercise of calyxt prefunded warrants.",
        "label": "Issuance Of Calyxt Common Stock And Exercise Of Calyxt prefunded Warrants",
        "terseLabel": "Issuance of Calyxt's common stock and exercise of Calyxt's pre-funded warrants"
       }
      }
     },
     "localname": "IssuanceOfCalyxtCommonStockAndExerciseOfCalyxtPrefundedWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ItLicensingAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "It licensing agreements member.",
        "label": "It Licensing Agreements [Member]"
       }
      }
     },
     "localname": "ItLicensingAgreementsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_KeyManagementPersonnelCompensationShareBasedPaymentsInShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Key management personnel compensation share based payments in shares.",
        "label": "Key management personnel compensation share based payments in shares",
        "terseLabel": "Key management personnel compensation, share-based payments in shares"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationShareBasedPaymentsInShares",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_KeyManagementPersonnelNoncashStockbasedCompensationExpenseRecognized": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Key management personnel non-cash stock-based compensation expense recognized.",
        "label": "Key management personnel non-cash stock-based compensation expense recognized",
        "terseLabel": "Key management personnel non-cash stock-based compensation expense recognized"
       }
      }
     },
     "localname": "KeyManagementPersonnelNoncashStockbasedCompensationExpenseRecognized",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_KeyStepPayment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "key step payment",
        "label": "key Step Payment",
        "terseLabel": "key step payment"
       }
      }
     },
     "localname": "KeyStepPayment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_LaboratoryEquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Laboratory equipment.",
        "label": "Laboratory Equipment [Member]",
        "terseLabel": "Laboratory Equipment [member]"
       }
      }
     },
     "localname": "LaboratoryEquipmentMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LeaseLiabilitiesDiscontinuedOperation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lease liabilities discontinued operation.",
        "label": "Lease Liabilities Discontinued Operation",
        "terseLabel": "Lease liabilities discontinued operation"
       }
      }
     },
     "localname": "LeaseLiabilitiesDiscontinuedOperation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_LeasedEquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Leased equipment.",
        "label": "Leased Equipment [Member]"
       }
      }
     },
     "localname": "LeasedEquipmentMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LeasedPremisesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Leased premises.",
        "label": "Leased Premises [Member]"
       }
      }
     },
     "localname": "LeasedPremisesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LiabilityAssetOfDefinedBenefitPlansReclassification": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Liability asset of defined benefit plans reclassification.",
        "label": "Liability Asset Of Defined Benefit Plans reclassification",
        "terseLabel": "Reclassification/CTA"
       }
      }
     },
     "localname": "LiabilityAssetOfDefinedBenefitPlansReclassification",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfNetDefinedBenefitLiabilityAndComponentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_LicenseAgreementWithOnePartnerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "License Agreement with One Partner.",
        "label": "License Agreement with One Partner [Member]"
       }
      }
     },
     "localname": "LicenseAgreementWithOnePartnerMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LicenseAndCollaborationAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "License and Collaboration Agreements [Member]",
        "label": "License and Collaboration Agreements [Member]"
       }
      }
     },
     "localname": "LicenseAndCollaborationAgreementsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LineOfCreditFacilityExpirationPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line of credit facility expiration period",
        "label": "Line Of Credit Facility Expiration Period",
        "terseLabel": "Line of credit facility expiration period"
       }
      }
     },
     "localname": "LineOfCreditFacilityExpirationPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_LineOfCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line Oof credit facility.",
        "label": "Line Of Credit Facility [Member]"
       }
      }
     },
     "localname": "LineOfCreditFacilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LineOfCreditFacilityTrancheAAndTrancheBMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line of credit facility tranche A and tranche B.",
        "label": "Line Of Credit Facility Tranche A And Tranche B [Member]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTrancheAAndTrancheBMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LineOfCreditFacilityTrancheAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line of credit facility tranche A.",
        "label": "Line Of Credit Facility Tranche A [Member]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTrancheAMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LineOfCreditFacilityTrancheBMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line of credit facility tranche B.",
        "label": "Line Of Credit Facility Tranche B [Member]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTrancheBMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LineOfCreditFacilityTrancheCMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line of credit facility tranche C.",
        "label": "Line Of Credit Facility Tranche C [Member]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTrancheCMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LineOfCreditFacilityTranchesAvailablePeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line of credit facility tranches available period.",
        "label": "Line Of Credit Facility Tranches Available Period",
        "terseLabel": "Line of credit facility tranches available period"
       }
      }
     },
     "localname": "LineOfCreditFacilityTranchesAvailablePeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_LoanDrawdownAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loan drawdown amount.",
        "label": "Loan Drawdown Amount",
        "terseLabel": "Loan drawdown amount"
       }
      }
     },
     "localname": "LoanDrawdownAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_LocationInBalanceSheetAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Location In Balance Sheet [Axis]",
        "label": "Location In Balance Sheet [Axis]"
       }
      }
     },
     "localname": "LocationInBalanceSheetAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_LocationInBalanceSheetDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Location In Balance Sheet [domain]",
        "label": "Location In Balance Sheet [Domain]"
       }
      }
     },
     "localname": "LocationInBalanceSheetDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_LossInFinancialExpenses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loss in financial expenses.",
        "label": "Loss in financial expenses"
       }
      }
     },
     "localname": "LossInFinancialExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_LossOfControlOver": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loss of control over.",
        "label": "Loss Of Control Over",
        "terseLabel": "Loss of control over"
       }
      }
     },
     "localname": "LossOfControlOver",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_LossOnFairValueMeasurement": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loss on fair value measurement.",
        "label": "Loss on Fair Value Measurement",
        "terseLabel": "Loss on fair value measurement"
       }
      }
     },
     "localname": "LossOnFairValueMeasurement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_MajorBorrowingTransactionsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Major Borrowing Transactions.",
        "label": "Major Borrowing Transactions [Member]",
        "verboseLabel": "Major Borrowing Transactions [Member]"
       }
      }
     },
     "localname": "MajorBorrowingTransactionsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ManagementServicesAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Management Services Agreement [Member]",
        "terseLabel": "Management Services Agreement [Member]"
       }
      }
     },
     "localname": "ManagementServicesAgreementMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_MarketRateBasedOnCreditSpreadObservedLoans": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Market Rate Based On Credit Spread Observed Loans",
        "label": "Market rate based on credit spread observed loans"
       }
      }
     },
     "localname": "MarketRateBasedOnCreditSpreadObservedLoans",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_MaximumNumberOfExclusiveLicenseForProductCandidates": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum number of exclusive license for product candidates.",
        "label": "Maximum Number Of Exclusive License For Product Candidates",
        "terseLabel": "Maximum number of exclusive license for product candidates"
       }
      }
     },
     "localname": "MaximumNumberOfExclusiveLicenseForProductCandidates",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "clls_MilestoneAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Milestone [Axis]",
        "terseLabel": "Milestone [axis]"
       }
      }
     },
     "localname": "MilestoneAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_MilestoneDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Milestone [Domain]"
       }
      }
     },
     "localname": "MilestoneDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_MilestonePayment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Milestone payment",
        "label": "Milestone Payment",
        "terseLabel": "Milestone payment"
       }
      }
     },
     "localname": "MilestonePayment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_MilestoneReceived": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Milestone received.",
        "label": "Milestone Received",
        "terseLabel": "Milestone received"
       }
      }
     },
     "localname": "MilestoneReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_MilestoneRevenue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Milestone revenue.",
        "label": "Milestone Revenue",
        "terseLabel": "Milestone revenue"
       }
      }
     },
     "localname": "MilestoneRevenue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_MinimumThresholdPercentageOfOwnershipPercentageNecessaryForConversionOfNotesReceivableIntoShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Minimum threshold percentage of ownership percentage necessary for conversion of notes receivable into shares.",
        "label": "Minimum Threshold Percentage Of Ownership Percentage Necessary For Conversion Of Notes Receivable Into Shares",
        "terseLabel": "Minimum threshold percentage of ownership necessary for conversion of notes receivable into shares"
       }
      }
     },
     "localname": "MinimumThresholdPercentageOfOwnershipPercentageNecessaryForConversionOfNotesReceivableIntoShares",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_MinimumVoluntaryPaymentPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Minimum voluntary payment percentage.",
        "label": "Minimum Voluntary Payment Percentage",
        "terseLabel": "Minimum voluntary payment percentage"
       }
      }
     },
     "localname": "MinimumVoluntaryPaymentPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_NetAssetsLiabilitiesAndEquityDerecognized": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net assets, liabilities and equity derecognized.",
        "label": "Net Assets, Liabilities And Equity Derecognized",
        "negatedTotalLabel": "Net assets, liabilities and equity derecognized"
       }
      }
     },
     "localname": "NetAssetsLiabilitiesAndEquityDerecognized",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_NetIncomeLossFromDiscontinuedOperations": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows2": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net Income Loss from Discontinued Operations.",
        "label": "Net Income Loss from Discontinued Operations",
        "terseLabel": "Net loss for the period of discontinued operations",
        "verboseLabel": "Income (loss) from discontinued operations"
       }
      }
     },
     "localname": "NetIncomeLossFromDiscontinuedOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_NetLossIncomeFromContinuingOperations": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 11.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows2": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net (Loss) Income from Continuing Operations.",
        "label": "Net Loss Income from Continuing Operations",
        "terseLabel": "Net (loss) income for the period of continuing operations"
       }
      }
     },
     "localname": "NetLossIncomeFromContinuingOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_NinetyFivePercentOfDefaultProbabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ninety Five Percent Of Default Probability [Member]",
        "terseLabel": "Default probability 95%"
       }
      }
     },
     "localname": "NinetyFivePercentOfDefaultProbabilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_NinetyPercentOfDefaultProbabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ninety Percent Of Default Probability [Member]",
        "terseLabel": "Default probability 90%"
       }
      }
     },
     "localname": "NinetyPercentOfDefaultProbabilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_NonCurrentFinancialAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non-current financial assets.",
        "label": "Non-current financial assets [member]",
        "terseLabel": "Non-Current Financial Assets [member]"
       }
      }
     },
     "localname": "NonCurrentFinancialAssetsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_NonCurrentFinancialLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non-current financial liabilities.",
        "label": "Non-current financial liabilities [member]",
        "terseLabel": "Other non current financial liabilities [member]"
       }
      }
     },
     "localname": "NonCurrentFinancialLiabilitiesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_NonCurrentLeaseDebtsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non current lease debts [Member]",
        "label": "Non current lease debts [Member]"
       }
      }
     },
     "localname": "NonCurrentLeaseDebtsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_NonCurrentProvisionsUsed": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non current provisions used.",
        "label": "Non Current Provisions Used",
        "terseLabel": "Non current provisions Amounts used during period"
       }
      }
     },
     "localname": "NonCurrentProvisionsUsed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_NonEmployeeWarrantsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non Employee Warrants",
        "label": "Non Employee Warrants [Member]",
        "terseLabel": "Non Employee Warrants [Member]"
       }
      }
     },
     "localname": "NonEmployeeWarrantsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_NoncashStockBasedCompensationExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non-cash stock based compensation expense.",
        "label": "Noncash stock based compensation expense",
        "negatedLabel": "Non-cash stock based compensation expense"
       }
      }
     },
     "localname": "NoncashStockBasedCompensationExpense",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_NoncashStockBasedCompensationExpenseShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Noncash stock based compensation expense shares.",
        "label": "Noncash Stock Based Compensation Expense Shares",
        "terseLabel": "Non-cash stock-based compensation expense"
       }
      }
     },
     "localname": "NoncashStockBasedCompensationExpenseShares",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_NotesReceivableRateOfInterest": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Notes receivable rate of interest.",
        "label": "Notes Receivable Rate Of Interest",
        "terseLabel": "Notes receivable rate of interest"
       }
      }
     },
     "localname": "NotesReceivableRateOfInterest",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_NumberOfCashGeneratingUnit": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of cash generating unit",
        "label": "Number of cash generating unit",
        "terseLabel": "Number of cash generating unit"
       }
      }
     },
     "localname": "NumberOfCashGeneratingUnit",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ImpairmentTestsAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "clls_NumberOfExecutiveOfficersToWhomTheAwardsWereGranted": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of executive officers to whom the awards were granted.",
        "label": "Number of executive officers to whom the awards were granted",
        "terseLabel": "Number of executive officers to whom the awards were granted"
       }
      }
     },
     "localname": "NumberOfExecutiveOfficersToWhomTheAwardsWereGranted",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "clls_NumberOfGrantedWarrantsOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of granted warrants outstanding",
        "label": "Number of Granted Warrants Outstanding",
        "terseLabel": "Number of warrants granted"
       }
      }
     },
     "localname": "NumberOfGrantedWarrantsOutstanding",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_NumberOfOrdinarySharesReceived": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of ordinary shares received.",
        "label": "Number Of Ordinary Shares Received",
        "terseLabel": "Number of common stock received"
       }
      }
     },
     "localname": "NumberOfOrdinarySharesReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_NumberOfOutstandingShareOptionsAndWarrants": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of Outstanding Share Options And Warrants",
        "label": "Number of Outstanding Share Options And Warrants",
        "terseLabel": "Exercise of share warrants, employee warrants and stock options"
       }
      }
     },
     "localname": "NumberOfOutstandingShareOptionsAndWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_NumberOfServiceAgreements": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of service agreements.",
        "label": "Number of service agreements",
        "terseLabel": "Number of service agreements"
       }
      }
     },
     "localname": "NumberOfServiceAgreements",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "clls_NumberOfShareOptionsForfeitedOrExpiredInSharebasedPaymentArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of share options forfeited or expired in a share-based payment arrangement.",
        "label": "Number of share options forfeited or expired in share-based payment arrangement",
        "negatedLabel": "Option outstanding, forfeited or expired",
        "terseLabel": "Option outstanding, forfeited or expired"
       }
      }
     },
     "localname": "NumberOfShareOptionsForfeitedOrExpiredInSharebasedPaymentArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_NumberOfShareOptionsUnvestedCancelledInShareBasedPaymentArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of share options unvested cancelled in share based payment arrangement.",
        "label": "Number Of Share Options Unvested Cancelled In Share based Payment Arrangement",
        "negatedLabel": "Number of restricted stock units outstanding, cancelled",
        "terseLabel": "Number of free shares outstanding, cancelled"
       }
      }
     },
     "localname": "NumberOfShareOptionsUnvestedCancelledInShareBasedPaymentArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_NumberOfShareOptionsUnvestedGrantedInShareBasedPaymentArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of share options unvested granted in share based payment arrangement.",
        "label": "Number Of Share Options Unvested Granted In Share based Payment Arrangement",
        "terseLabel": "Number of free shares outstanding, granted",
        "verboseLabel": "Number of restricted stock units outstanding, granted"
       }
      }
     },
     "localname": "NumberOfShareOptionsUnvestedGrantedInShareBasedPaymentArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_NumberOfShareOptionsUnvestedInShareBasedPaymentArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of share options unvested in share based payment arrangement.",
        "label": "Number Of Share Options Unvested In Share based Payment Arrangement",
        "periodEndLabel": "Number of free shares outstanding, ending balance",
        "periodStartLabel": "Number of free shares outstanding, beginning balance"
       }
      }
     },
     "localname": "NumberOfShareOptionsUnvestedInShareBasedPaymentArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_NumberOfShareOptionsUnvestedVestedInShareBasedPaymentArrangement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of share options unvested vested in share based payment arrangement.",
        "label": "Number Of Share Options Unvested Vested In Share based Payment Arrangement",
        "negatedLabel": "Number of restricted stock units outstanding, vested",
        "terseLabel": "Number of free shares outstanding, vested"
       }
      }
     },
     "localname": "NumberOfShareOptionsUnvestedVestedInShareBasedPaymentArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_NumberOfSharesEntitledPerOption": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares entitled per option.",
        "label": "Number Of Shares Entitled Per Option",
        "terseLabel": "Share entitlement per options"
       }
      }
     },
     "localname": "NumberOfSharesEntitledPerOption",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_NumberOfTradingDays": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of trading days.",
        "label": "Number of Trading Days",
        "terseLabel": "Number of trading days"
       }
      }
     },
     "localname": "NumberOfTradingDays",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "clls_NumberOfWarrantOptionsGranted": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of warrant options granted.",
        "label": "Number of Warrant Options Granted",
        "terseLabel": "Number of options granted"
       }
      }
     },
     "localname": "NumberOfWarrantOptionsGranted",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_NumberOfWarrantsGranted": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of warrants granted.",
        "label": "Number of warrants Granted",
        "terseLabel": "Number of warrants granted"
       }
      }
     },
     "localname": "NumberOfWarrantsGranted",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operating Expenses [Abstract]",
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating expenses"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_OperationBetweenShareholders": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operation between shareholders.",
        "label": "Operation Between Shareholders",
        "terseLabel": "Operation between shareholders"
       }
      }
     },
     "localname": "OperationBetweenShareholders",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OptionVestingPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Option vesting period.",
        "label": "Option Vesting Period",
        "terseLabel": "Vesting period, years"
       }
      }
     },
     "localname": "OptionVestingPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_OtherComprehensiveIncomeFromDiscontinuedOperations": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other comprehensive income from discontinued operations.",
        "label": "Other Comprehensive Income from Discontinued Operations",
        "terseLabel": "Other comprehensive income (loss) from discontinued operations",
        "totalLabel": "Other Comprehensive Income from Discontinued Operations, Total",
        "verboseLabel": "Other comprehensive income from discontinued operations"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeFromDiscontinuedOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherComprehensiveIncomeReclassificationPursuantToDeconsolidation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other comprehensive income reclassification pursuant to deconsolidation.",
        "label": "Other Comprehensive Income Reclassification Pursuant To Deconsolidation",
        "terseLabel": "OCI Reclassification pursuant to Calyxt's deconsolidation"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeReclassificationPursuantToDeconsolidation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxFromContinuingOperations": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other comprehensive income that will be reclassified to profit or loss net of tax from continuing operations.",
        "label": "Other Comprehensive Income That Will Be Reclassified To Profit Or Loss Net Of Tax From Continuing Operations",
        "terseLabel": "Other comprehensive income (loss) that will be reclassified subsequently to income or loss from continuing operations",
        "totalLabel": "Other Comprehensive Income That Will Be Reclassified To Profit Or Loss Net Of Tax From Continuing Operations, Total"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxFromContinuingOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxFromContinuingOperations": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": 3.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other comprehensive income that will not be reclassified to profit or loss net of tax from continuing operations.",
        "label": "Other Comprehensive Income That Will Not Be Reclassified To Profit Or Loss Net Of Tax From Continuing Operations",
        "terseLabel": "Other comprehensive income (loss) that will not be reclassified subsequently to income or loss from continued operations",
        "totalLabel": "Other Comprehensive Income That Will Not Be Reclassified To Profit Or Loss Net Of Tax From Continuing Operations, Total"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxFromContinuingOperations",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherCurrentAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other current assets.",
        "label": "Other Current Assets [abstract]"
       }
      }
     },
     "localname": "OtherCurrentAssetsAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_OtherCurrentLiabilities1Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other current liabilities1.",
        "label": "Other Current Liabilities 1- [Member]",
        "terseLabel": "Other Current Liabilities [member]"
       }
      }
     },
     "localname": "OtherCurrentLiabilities1Member",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_OtherCurrentLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other current liabilities.",
        "label": "Other current liabilities [abstract]"
       }
      }
     },
     "localname": "OtherCurrentLiabilitiesAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_OtherImmaterialVariances": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other immaterial variances.",
        "label": "Other Immaterial Variances",
        "terseLabel": "Other immaterial variances"
       }
      }
     },
     "localname": "OtherImmaterialVariances",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherIncomeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other Income",
        "label": "Other Income [Member]"
       }
      }
     },
     "localname": "OtherIncomeMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_OtherRevenueByNature": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other revenue by nature.",
        "label": "Other Revenue by Nature",
        "terseLabel": "Other revenues from collaboration agreements"
       }
      }
     },
     "localname": "OtherRevenueByNature",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherRevenuesFromCollaborationAgreementsRecognizedOnLicenseAgreementAmendment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other Revenues From Collaboration Agreements Recognized On License Agreement Amendment",
        "label": "Other Revenues From Collaboration Agreements Recognized On License Agreement Amendment",
        "terseLabel": "Other revenues from collaboration agreements recognized on licence agreement amendment"
       }
      }
     },
     "localname": "OtherRevenuesFromCollaborationAgreementsRecognizedOnLicenseAgreementAmendment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherRevenuesRecognized": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other revenues recognized.",
        "label": "Other Revenues Recognized",
        "terseLabel": "Other revenues recognized"
       }
      }
     },
     "localname": "OtherRevenuesRecognized",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OtherSubsidiesReceivables": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail": {
       "order": 1.0,
       "parentTag": "clls_SubsidiesReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other subsidies receivables.",
        "label": "Other Subsidies Receivables",
        "terseLabel": "Other subsidies"
       }
      }
     },
     "localname": "OtherSubsidiesReceivables",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_OutstandingShareCapitalPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Outstanding share capital percentage.",
        "label": "Outstanding Share Capital Percentage",
        "terseLabel": "Outstanding share capital percentage"
       }
      }
     },
     "localname": "OutstandingShareCapitalPercentage",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ParisMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Paris[member].",
        "label": "Paris [Member]",
        "terseLabel": "Paris [member]"
       }
      }
     },
     "localname": "ParisMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PaycheckProtectionProgramLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Paycheck Protection Program Loan.",
        "label": "Paycheck Protection Program Loan [Member]"
       }
      }
     },
     "localname": "PaycheckProtectionProgramLoanMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PaymentInKindInterestRateMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment in kind interest rate.",
        "label": "Payment In Kind Interest Rate [Member]"
       }
      }
     },
     "localname": "PaymentInKindInterestRateMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PaymentOfReceivableRelatedToExtensionOfOptionTerm": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment of receivable related to extension of option term.",
        "label": "Payment of Receivable Related to Extension of Option Term",
        "terseLabel": "Payment of receivable related to extension of option term"
       }
      }
     },
     "localname": "PaymentOfReceivableRelatedToExtensionOfOptionTerm",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PensionMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pension.",
        "label": "Pension [member]",
        "terseLabel": "Pension [member]"
       }
      }
     },
     "localname": "PensionMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PensionServiceCostMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pension service cost.",
        "label": "Pension service cost [member]",
        "terseLabel": "Pension service cost [member]"
       }
      }
     },
     "localname": "PensionServiceCostMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PercentageOfAdvanceRefundableOnMilestoneReceived": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of advance refundable on milestone received.",
        "label": "Percentage Of Advance Refundable On Milestone Received",
        "terseLabel": "Percentage of advance refundable on milestone received"
       }
      }
     },
     "localname": "PercentageOfAdvanceRefundableOnMilestoneReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfBusinessProceedsWillBeAcquiredInCash": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of business proceeds will be acquired in cash.",
        "label": "Percentage Of Business Proceeds Will Be Acquired In Cash",
        "terseLabel": "Percentage of business proceeds will be acquired in cash"
       }
      }
     },
     "localname": "PercentageOfBusinessProceedsWillBeAcquiredInCash",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfBusinessProceedsWillBeAcquiredInEquity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of business proceeds will be acquired in equity.",
        "label": "Percentage Of Business Proceeds Will Be Acquired In Equity",
        "terseLabel": "Percentage of business proceeds will be acquired in equity"
       }
      }
     },
     "localname": "PercentageOfBusinessProceedsWillBeAcquiredInEquity",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfConvertibleNotesDueAtFinalMaturity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of convertible notes due at final maturity.",
        "label": "Percentage Of Convertible Notes Due At Final Maturity",
        "terseLabel": "Percentage of convertible notes due at final maturity"
       }
      }
     },
     "localname": "PercentageOfConvertibleNotesDueAtFinalMaturity",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfDecreaseInDiscountRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of decrease in discount rate.",
        "label": "Percentage Of Decrease In Discount Rate",
        "terseLabel": "Percentage of decrease in discount rate"
       }
      }
     },
     "localname": "PercentageOfDecreaseInDiscountRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfDecreaseInSalaryIncreaseRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of decrease in salary increase rate.",
        "label": "Percentage Of Decrease In Salary Increase Rate",
        "terseLabel": "Percentage of decrease in salary increase rate"
       }
      }
     },
     "localname": "PercentageOfDecreaseInSalaryIncreaseRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfDefaultProbability": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of default probability.",
        "label": "Percentage of default probability",
        "terseLabel": "Percetage of default probability"
       }
      }
     },
     "localname": "PercentageOfDefaultProbability",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfEstimatedRecoveryProbabilityRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of estimated recovery probability rate.",
        "label": "Percentage Of Estimated Recovery Probability Rate",
        "terseLabel": "Percentage of estimated recovery probability rate"
       }
      }
     },
     "localname": "PercentageOfEstimatedRecoveryProbabilityRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfGrantAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of grant agreement",
        "label": "Percentage Of Grant Agreement",
        "terseLabel": "Percentage of grant agreement"
       }
      }
     },
     "localname": "PercentageOfGrantAgreement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfGrantAndRefundableAdvanceAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "percentage of grant and refundable advance agreement",
        "label": "Percentage of Grant and Refundable Advance Agreement",
        "terseLabel": "Percentage of grant and refundable advance agreement"
       }
      }
     },
     "localname": "PercentageOfGrantAndRefundableAdvanceAgreement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfGrantsOnMilestoneReceived": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of grants on milestone received.",
        "label": "Percentage Of Grants On Milestone Received",
        "terseLabel": "Percentage of grants on milestone received"
       }
      }
     },
     "localname": "PercentageOfGrantsOnMilestoneReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfIncreaseInDiscountRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of increase in discount rate.",
        "label": "Percentage Of Increase In Discount Rate",
        "terseLabel": "Percentage of increase in discount rate"
       }
      }
     },
     "localname": "PercentageOfIncreaseInDiscountRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfIncreaseInSalaryIncreaseRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of increase in salary increase rate.",
        "label": "Percentage Of Increase In Salary Increase Rate",
        "terseLabel": "Percentage of increase in salary increase rate"
       }
      }
     },
     "localname": "PercentageOfIncreaseInSalaryIncreaseRate",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfNotesReceivableDueToBeReceivedByWayOfRepaymentFromTheIssue": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of notes receivable due to be received by way of repayment from the issue.",
        "label": "Percentage Of Notes Receivable Due To Be Received By Way Of Repayment From The Issue",
        "terseLabel": "Percentage of notes receivable due to be received"
       }
      }
     },
     "localname": "PercentageOfNotesReceivableDueToBeReceivedByWayOfRepaymentFromTheIssue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfRefundableAdvanceAgreement": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of refundable advance agreement",
        "label": "Percentage Of Refundable Advance Agreement",
        "terseLabel": "Percentage of refundable advance agreement"
       }
      }
     },
     "localname": "PercentageOfRefundableAdvanceAgreement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfShareholdingDilutedOfMergedEntity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage Of Shareholding Diluted Of Merged Entity",
        "label": "Percentage Of Shareholding Diluted Of Merged Entity",
        "terseLabel": "Percentage Of Shareholding Diluted Of Merged Entity",
        "verboseLabel": "Percentage of shareholding diluted of merged entity"
       }
      }
     },
     "localname": "PercentageOfShareholdingDilutedOfMergedEntity",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfVolumeWeightedAveragePricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of volume weighted average price per share.",
        "label": "Percentage of Volume Weighted Average Price Per Share",
        "terseLabel": "Percentage of volume weighted average price per share"
       }
      }
     },
     "localname": "PercentageOfVolumeWeightedAveragePricePerShare",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PercentageOfWeightedAveragePricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of weighted average price per share.",
        "label": "Percentage of Weighted Average Price Per Share",
        "terseLabel": "Percentage of weighted average price per share"
       }
      }
     },
     "localname": "PercentageOfWeightedAveragePricePerShare",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_PerformancePeriodMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance Period.",
        "label": "Performance Period [Member]"
       }
      }
     },
     "localname": "PerformancePeriodMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PerformanceStockUnitMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance Stock Unit.",
        "label": "Performance Stock Unit [Member]",
        "verboseLabel": "Performance Stock Unit [Member]"
       }
      }
     },
     "localname": "PerformanceStockUnitMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PeriodOfGrantAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period of grant.",
        "label": "Period Of Grant [Axis]"
       }
      }
     },
     "localname": "PeriodOfGrantAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_PeriodOfGrantDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period of grant.",
        "label": "Period Of Grant [Domain]"
       }
      }
     },
     "localname": "PeriodOfGrantDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PeriodOverWhichThePriceLevelsMustAttainTheSpecifiedThresholdsForTheUnitsToBeVested": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period over which the price levels must attain the specified thresholds for the units to be vested.",
        "label": "Period over which the price levels must attain the specified thresholds for the units to be vested",
        "terseLabel": "Period over which the price levels must attain the specified thresholds for the units to be vested"
       }
      }
     },
     "localname": "PeriodOverWhichThePriceLevelsMustAttainTheSpecifiedThresholdsForTheUnitsToBeVested",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "clls_PersonnelExpensesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Personnel expenses.",
        "label": "Personnel Expenses [member]",
        "terseLabel": "Personnel Expenses [member]"
       }
      }
     },
     "localname": "PersonnelExpensesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PlanNameAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Plan Name",
        "label": "Plan Name [Axis]"
       }
      }
     },
     "localname": "PlanNameAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_PlanNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Plan Name",
        "label": "Plan Name [Domain]"
       }
      }
     },
     "localname": "PlanNameDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PlanOneAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Plan One.",
        "label": "Plan One [Axis]"
       }
      }
     },
     "localname": "PlanOneAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_PlanOneDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Plan One.",
        "label": "Plan One [Domain]"
       }
      }
     },
     "localname": "PlanOneDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PrepaidExpensesAndOtherCurrentAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Prepaid expenses and other current assets.",
        "label": "Prepaid Expenses and Other Current Assets [Line Items]",
        "terseLabel": "Prepaid expenses and other current assets [line items]"
       }
      }
     },
     "localname": "PrepaidExpensesAndOtherCurrentAssetsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_PrepaidExpensesAndOtherCurrentAssetsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Prepaid Expenses and Other Current Assets [Table]",
        "label": "Prepaid Expenses and Other Current Assets [Table]",
        "terseLabel": "Prepaid Expenses and Other Current Assets [Table]"
       }
      }
     },
     "localname": "PrepaidExpensesAndOtherCurrentAssetsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_PresidentAndChiefExecutiveOfficerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "President and Chief Executive Officer",
        "label": "President and Chief Executive Officer [Member]"
       }
      }
     },
     "localname": "PresidentAndChiefExecutiveOfficerMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PrimeraTherapeuticsIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primera therapeutics, Inc.",
        "label": "Primera Therapeutics Inc [Member]",
        "terseLabel": "Primera Therapeutics, Inc. [Member]"
       }
      }
     },
     "localname": "PrimeraTherapeuticsIncMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_PrincipalMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Principal.",
        "label": "Principal [Member]"
       }
      }
     },
     "localname": "PrincipalMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ProbabilityPercentageOfConversionAtMaturityWithCashReceipts": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Probability percentage of conversion at maturity with cash receipts.",
        "label": "Probability Percentage of Conversion At Maturity With Cash Receipts",
        "verboseLabel": "Probability percentage of conversion at maturity with cash receipts"
       }
      }
     },
     "localname": "ProbabilityPercentageOfConversionAtMaturityWithCashReceipts",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ProceedsFromIssueOfWarrants": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proceeds from issue of warrants.",
        "label": "Proceeds from Issue of Warrants",
        "terseLabel": "Proceeds from issue of warrants"
       }
      }
     },
     "localname": "ProceedsFromIssueOfWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PropertyPlantAndEquipmentAccumulatedDepreciationAmortisationAndImpairment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Property, plant and equipment, accumulated depreciation, amortisation and impairment",
        "label": "Property, plant and equipment, accumulated depreciation, amortisation and impairment",
        "terseLabel": "Accumulated depreciation and impairment at end of period"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentAccumulatedDepreciationAmortisationAndImpairment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PropertyPlantAndEquipmentsGross": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Property, plant and equipment, gross",
        "label": "Property, plant and equipment, gross",
        "terseLabel": "Gross value at end of period"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentsGross",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionForEmployeeBenefitsAdditions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provision for employee benefits additions.",
        "label": "Provision For Employee Benefits Additions",
        "terseLabel": "Pension, Additions"
       }
      }
     },
     "localname": "ProvisionForEmployeeBenefitsAdditions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionForEmployeeBenefitsOtherComprehensiveIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provision for employee benefits other comprehensive income.",
        "label": "Provision For Employee Benefits Other Comprehensive Income",
        "terseLabel": "OCI"
       }
      }
     },
     "localname": "ProvisionForEmployeeBenefitsOtherComprehensiveIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionForEmployeeBenefitsReversals": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provision for employee benefits reversals.",
        "label": "Provision For Employee Benefits Reversals",
        "terseLabel": "Pension, Reversals"
       }
      }
     },
     "localname": "ProvisionForEmployeeBenefitsReversals",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionForEmployeeBenefitsUsedDuringThePeriod": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provision for employee benefits used during the period.",
        "label": "Provision For Employee Benefits Used During The Period",
        "terseLabel": "Pension, Amounts used during the period"
       }
      }
     },
     "localname": "ProvisionForEmployeeBenefitsUsedDuringThePeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionsForEmployeeLitigationAndServerance": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of provisions for employee litigation and serverance.",
        "label": "Provisions for employee litigation and serverance",
        "periodEndLabel": "Employee litigation and severance, Ending balance",
        "periodStartLabel": "Employee litigation and severance, Beginning balance"
       }
      }
     },
     "localname": "ProvisionsForEmployeeLitigationAndServerance",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionsForEmployeeLitigationAndSeveranceAdditions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of Provisions for employee litigation and severance additions.",
        "label": "Provisions for employee litigation and severance additions",
        "terseLabel": "Employee litigation and severance, Additions"
       }
      }
     },
     "localname": "ProvisionsForEmployeeLitigationAndSeveranceAdditions",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionsForEmployeeLitigationAndSeveranceAmountsUsedDuringThePeriod": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of provisions for employee litigation and severance, amounts used during the period.",
        "label": "Provisions for employee litigation and severance amounts used during the period",
        "terseLabel": "Employee litigation and severance, Amounts used during the period"
       }
      }
     },
     "localname": "ProvisionsForEmployeeLitigationAndSeveranceAmountsUsedDuringThePeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionsForEmployeeLitigationAndSeveranceOtherComprehensiveIncome": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provisions for employee litigation and severance other comprehensive income.",
        "label": "Provisions For Employee Litigation And Severance Other Comprehensive Income",
        "terseLabel": "Employee litigation and severance, OCI"
       }
      }
     },
     "localname": "ProvisionsForEmployeeLitigationAndSeveranceOtherComprehensiveIncome",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionsForEmployeeLitigationAndSeveranceReversal": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of provisions for employee litigation and severance reversal.",
        "label": "Provisions for employee litigation and severance reversal",
        "terseLabel": "Employee litigation and severance, Reversals"
       }
      }
     },
     "localname": "ProvisionsForEmployeeLitigationAndSeveranceReversal",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ProvisionsUsed": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provisions used.",
        "label": "Provisions Used",
        "terseLabel": "Amounts used during the period"
       }
      }
     },
     "localname": "ProvisionsUsed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PurchaseObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Purchase obligation.",
        "label": "Purchase Obligation",
        "terseLabel": "Total commitments"
       }
      }
     },
     "localname": "PurchaseObligation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PurchasesAndExternalExpenses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Purchases and external expenses.",
        "label": "Purchases And External Expenses",
        "negatedLabel": "Purchases and external expenses"
       }
      }
     },
     "localname": "PurchasesAndExternalExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PutOptionCap": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Put option cap.",
        "label": "Put Option Cap",
        "terseLabel": "Put option cap"
       }
      }
     },
     "localname": "PutOptionCap",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_PutOptionsCap": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Put options cap",
        "label": "Put Options Cap",
        "terseLabel": "Put option cap"
       }
      }
     },
     "localname": "PutOptionsCap",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RatioOfWarrantsAmountDisbursed": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Ratio of warrants amount disbursed.",
        "label": "Ratio of Warrants Amount Disbursed",
        "terseLabel": "Ratio of warrants amount disbursed"
       }
      }
     },
     "localname": "RatioOfWarrantsAmountDisbursed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_Receivables1Abstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Receivables.",
        "label": "Receivables1 [abstract]"
       }
      }
     },
     "localname": "Receivables1Abstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_ReclassificationAdjustmentsOfPropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reclassification adjustments of property plant and equipment.",
        "label": "Reclassification Adjustments Of Property Plant And Equipment",
        "negatedLabel": "Reclassification"
       }
      }
     },
     "localname": "ReclassificationAdjustmentsOfPropertyPlantAndEquipment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ReclassificationAdjustmentsOnIntangibleAssets": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reclassification adjustments on intangible assets.",
        "label": "Reclassification Adjustments On Intangible Assets",
        "terseLabel": "Reclassification"
       }
      }
     },
     "localname": "ReclassificationAdjustmentsOnIntangibleAssets",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ReclassifiedFromOtherComprehensiveIncomePursuantToDeconsolidation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reclassified from other comprehensive income pursuant to deconsolidation.",
        "label": "Reclassified from Other Comprehensive Income pursuant to Deconsolidation",
        "terseLabel": "Reclassified from other comprehensive income pursuant to deconsolidation"
       }
      }
     },
     "localname": "ReclassifiedFromOtherComprehensiveIncomePursuantToDeconsolidation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RecognitionOfGrantTheRefundableAdvanceReceived": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Recognition of grant the refundable advance received.",
        "label": "Recognition of Grant the Refundable Advance Received",
        "terseLabel": "Recognition of grant the refundable advance received"
       }
      }
     },
     "localname": "RecognitionOfGrantTheRefundableAdvanceReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RecognizedGrantOnFairValueOfLoan": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Recognized grant on fair value of loan.",
        "label": "Recognized Grant on Fair Value of Loan",
        "terseLabel": "Recognized grant on fair value of loan"
       }
      }
     },
     "localname": "RecognizedGrantOnFairValueOfLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RecoveryRateMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Recovery rate.",
        "label": "Recovery Rate [Member]",
        "terseLabel": "Recovery rate"
       }
      }
     },
     "localname": "RecoveryRateMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ResearchAndDevelopmentExpensesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research and development expenses.",
        "label": "Research and development expenses [member]",
        "terseLabel": "Research and Development Expenses [member]"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpensesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ResearchAndDevelopmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research and development.",
        "label": "Research and development [Member]",
        "terseLabel": "Research and Development [member]"
       }
      }
     },
     "localname": "ResearchAndDevelopmentMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ResearchTaxCredit": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research tax credit.",
        "label": "Research Tax Credit",
        "terseLabel": "Research tax credit"
       }
      }
     },
     "localname": "ResearchTaxCredit",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ResearchTaxCreditAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount represent the research tax credit that is a revenue for Cellectis thansks to its R&amp;D activity. The research tax credit represents tax credit for the year and for France and US. This credit is an income that is refundable the year after.",
        "label": "Research Tax Credit Amount",
        "terseLabel": "Research tax credit"
       }
      }
     },
     "localname": "ResearchTaxCreditAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ResearchTaxCreditFinancingMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research Tax Credit financing",
        "label": "Research Tax Credit Financing [Member]"
       }
      }
     },
     "localname": "ResearchTaxCreditFinancingMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ResearchTaxCreditReceivable": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research tax credit receivable.",
        "label": "Research Tax Credit Receivable",
        "terseLabel": "Research tax credit receivable",
        "verboseLabel": "Research tax credit receivables"
       }
      }
     },
     "localname": "ResearchTaxCreditReceivable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ResearchTaxCreditSubsidiesReceivables": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail": {
       "order": 0.0,
       "parentTag": "clls_SubsidiesReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research tax credit subsidies receivables.",
        "label": "Research Tax Credit Subsidies Receivables",
        "terseLabel": "Research tax credit"
       }
      }
     },
     "localname": "ResearchTaxCreditSubsidiesReceivables",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ReservesOfSharebasedPayments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reserves of share-based payments.",
        "label": "Reserves Of Sharebased Payments",
        "terseLabel": "Non-cash stock-based compensation expense"
       }
      }
     },
     "localname": "ReservesOfSharebasedPayments",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RestrictedPeriodMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Restricted Period.",
        "label": "Restricted Period [Member]"
       }
      }
     },
     "localname": "RestrictedPeriodMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_RestrictedStockUnitMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Restricted stock unit.",
        "label": "Restricted Stock Unit [Member]",
        "terseLabel": "RSU Calyxt 2017 [member]"
       }
      }
     },
     "localname": "RestrictedStockUnitMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_RetirementAge": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Retirement age.",
        "label": "Retirement Age",
        "terseLabel": "Retirement age"
       }
      }
     },
     "localname": "RetirementAge",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsScheduleOfEstimationOfRetirementIndemnityToEmployeeDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_RevenueFromCollaborationAgreements": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of revenue from collaboration agreements.",
        "label": "Revenue From Collaboration Agreements",
        "totalLabel": "Collaboration agreements"
       }
      }
     },
     "localname": "RevenueFromCollaborationAgreements",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RevenueFromGovernmentGrantsRelatedToFairValueOfLoan": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue from Government Grants Related to Fair Value of Loan",
        "label": "Revenue from Government Grants Related to Fair Value of Loan",
        "terseLabel": "Recognized grant on fair value of loan"
       }
      }
     },
     "localname": "RevenueFromGovernmentGrantsRelatedToFairValueOfLoan",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RevenueFromGovernmentGrantsRelatedToLoanSubsidy": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue from government grants related to loan subsidy.",
        "label": "Revenue from Government Grants Related to Loan Subsidy",
        "terseLabel": "Contractual grant on loan subsidy"
       }
      }
     },
     "localname": "RevenueFromGovernmentGrantsRelatedToLoanSubsidy",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RevenueFromProductsServices": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of revenue from products and services.",
        "label": "Revenue From Products Services",
        "terseLabel": "Products &amp; services"
       }
      }
     },
     "localname": "RevenueFromProductsServices",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RevenueRecognitionMilestoneMethodAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue Recognition Milestone Method",
        "label": "Revenue Recognition Milestone Method [Axis]"
       }
      }
     },
     "localname": "RevenueRecognitionMilestoneMethodAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_RevenueRecognitionMilestoneMethodDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue Recognition Milestone Method",
        "label": "Revenue Recognition Milestone Method [Domain]"
       }
      }
     },
     "localname": "RevenueRecognitionMilestoneMethodDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_RightOfUseAssetsAccumulatedDepreciation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Right of use assets accumulated depreciation.",
        "label": "Right Of Use Assets Accumulated Depreciation",
        "terseLabel": "Accumulated depreciation at end of period"
       }
      }
     },
     "localname": "RightOfUseAssetsAccumulatedDepreciation",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RightOfUseAssetsAdjustedToNetDeferredLosses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Right of use assets adjusted to net deferred losses.",
        "label": "Right Of Use Assets Adjusted To Net Deferred Losses",
        "terseLabel": "Right of use assets adjusted to net deferred losses"
       }
      }
     },
     "localname": "RightOfUseAssetsAdjustedToNetDeferredLosses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RightOfUseAssetsGross": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Right of use assets gross.",
        "label": "Right Of Use Assets Gross",
        "terseLabel": "Gross value at end of period"
       }
      }
     },
     "localname": "RightOfUseAssetsGross",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_RightOfUseAssetsTranslationAdjustment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Right of use assets translation adjustment.",
        "label": "Right Of Use Assets Translation Adjustment",
        "terseLabel": "Translation adjustments"
       }
      }
     },
     "localname": "RightOfUseAssetsTranslationAdjustment",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_SAFreeSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "S A free shares.",
        "label": "S A Free Shares [member]",
        "terseLabel": "S A free shares [member]"
       }
      }
     },
     "localname": "SAFreeSharesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ScenarioMeasurementInputMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Scenario measurement input Member.",
        "label": "Scenario",
        "verboseLabel": "Scenario"
       }
      }
     },
     "localname": "ScenarioMeasurementInputMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ScheduleOfBreakdownOfRightOfUseAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of Breakdown Of Right Of Use Assets [Abstract].",
        "label": "Schedule of Breakdown Of Right Of Use Assets [Abstract]"
       }
      }
     },
     "localname": "ScheduleOfBreakdownOfRightOfUseAssetsAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_ScheduleOfCashFlowStatementOfDiscontinuedOperationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Cash Flow Statement Of Discontinued Operations",
        "label": "Schedule Of Cash Flow Statement Of Discontinued Operations [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfCashFlowStatementOfDiscontinuedOperationsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ScheduleOfCashFlowStatementOfDiscontinuedOperationsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Cash Flow Statement Of Discontinued Operations",
        "label": "Schedule Of Cash Flow Statement Of Discontinued Operations [Table]"
       }
      }
     },
     "localname": "ScheduleOfCashFlowStatementOfDiscontinuedOperationsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ScheduleOfCashFlowStatementOfDiscontinuedOperationsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Cash Flow Statement Of Discontinued Operations",
        "label": "Schedule Of Cash Flow Statement Of Discontinued Operations [Table Text Block]",
        "terseLabel": "Schedule Of Cash Flow Statement Of Discontinued Operations"
       }
      }
     },
     "localname": "ScheduleOfCashFlowStatementOfDiscontinuedOperationsTableTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_ScheduleOfIncomeStatementOfDiscontinuedOperationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Income Statement Of Discontinued Operations",
        "label": "Schedule Of Income Statement Of Discontinued Operations [Line Items]",
        "terseLabel": "Schedule Of Income Statement Of Discontinued Operations [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfIncomeStatementOfDiscontinuedOperationsLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ScheduleOfIncomeStatementOfDiscontinuedOperationsTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Income Statement Of Discontinued Operations",
        "label": "Schedule Of Income Statement Of Discontinued Operations [Table]"
       }
      }
     },
     "localname": "ScheduleOfIncomeStatementOfDiscontinuedOperationsTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_ScheduleOfIncomeStatementOfDiscontinuedOperationsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule Of Income Statement Of Discontinued Operations",
        "label": "Schedule Of Income Statement Of Discontinued Operations [Table Text Block]",
        "terseLabel": "Schedule Of Income Statement Of Discontinued Operations"
       }
      }
     },
     "localname": "ScheduleOfIncomeStatementOfDiscontinuedOperationsTableTextBlock",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_SellingGeneralAndAdministrationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Selling, general and administration.",
        "label": "Selling, General and Administration [Member]",
        "terseLabel": "Selling, General and Administration [member]"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrationMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_SellingGeneralAndAdministrativeExpenses1Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Selling general and administrative expenses",
        "label": "Selling General And Administrative Expenses 1 [Member]",
        "verboseLabel": "Selling, General and Administrative Expenses [member]"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpenses1Member",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_SettlementOfEmployeeLitigationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Settlement Of Employee Litigation [Member]",
        "terseLabel": "Settlement of Employee Litigation [Member]"
       }
      }
     },
     "localname": "SettlementOfEmployeeLitigationMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_ShareBasedArrangementAdditionalVestingPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based arrangement additional vesting period.",
        "label": "Share Based Arrangement Additional Vesting Period",
        "terseLabel": "Share Based Arrangement Additional Vesting Period"
       }
      }
     },
     "localname": "ShareBasedArrangementAdditionalVestingPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_ShareBasedArrangementPurchasePriceOfCommonStockExpressedAsAPercentageOfItsFairValue": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based arrangement purchase price of common Stock expressed as a percentage of its fair Value.",
        "label": "Share Based Arrangement Purchase Price of Common Stock Expressed as a Percentage of its Fair Value",
        "verboseLabel": "Share Based Arrangement Purchase price of common Stock Expressed as a Percentage of its Fair Value"
       }
      }
     },
     "localname": "ShareBasedArrangementPurchasePriceOfCommonStockExpressedAsAPercentageOfItsFairValue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ShareBasedArrangementServicePeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share Based Arrangement Service Period.",
        "label": "Share Based Arrangement Service Period",
        "terseLabel": "Share based arrangement service period"
       }
      }
     },
     "localname": "ShareBasedArrangementServicePeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_ShareBasedPaymentArrangementPercentagePayout": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share Based Payment Arrangement Percentage Payout.",
        "label": "Share Based Payment Arrangement Percentage Payout",
        "terseLabel": "Number of share options granted in share-based payment arrangement"
       }
      }
     },
     "localname": "ShareBasedPaymentArrangementPercentagePayout",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_ShareEntitlementPerOption": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share entitlement per option.",
        "label": "Share Entitlement Per Option",
        "terseLabel": "Share entitlement per option"
       }
      }
     },
     "localname": "ShareEntitlementPerOption",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_ShareIssueRelatedCostOfCellectis": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share issue related cost of cellectis.",
        "label": "Share Issue Related Cost of Cellectis",
        "terseLabel": "Transaction costs"
       }
      }
     },
     "localname": "ShareIssueRelatedCostOfCellectis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlowsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_ShareIssuedPricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share issued price per share.",
        "label": "Share Issued Price Per Share",
        "terseLabel": "Share issued price per share"
       }
      }
     },
     "localname": "ShareIssuedPricePerShare",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "decimalItemType"
    },
    "clls_SharePriceOfWarrant": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share price of warrant.",
        "label": "Share Price Of Warrant",
        "terseLabel": "Share price (in euros)"
       }
      }
     },
     "localname": "SharePriceOfWarrant",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_SharePriceOfWarrantsOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share price of warrants outstanding.",
        "label": "Share Price of Warrants Outstanding",
        "terseLabel": "Share price (in euros)"
       }
      }
     },
     "localname": "SharePriceOfWarrantsOutstanding",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_SharesReceivableOnConversionOfWarrantsAsAPercentageOfTotalSharesEntitementOnConversionOnNotesReceivable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shares receivable on conversion of warrants as a percentage of total shares entitement on conversion on notes receivable.",
        "label": "Shares Receivable On Conversion Of Warrants As A Percentage Of Total Shares Entitement On Conversion On Notes Receivable",
        "terseLabel": "Shares receivable on conversion of warrants as a percentage of total shares entitlement on conversion of notes receivable"
       }
      }
     },
     "localname": "SharesReceivableOnConversionOfWarrantsAsAPercentageOfTotalSharesEntitementOnConversionOnNotesReceivable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_SignificantUnobservableInputLiabilitiesDescription": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Significant unobservable input liabilities description.",
        "label": "Significant Unobservable Input Liabilities Description",
        "verboseLabel": "Significant unobservable input liabilities description"
       }
      }
     },
     "localname": "SignificantUnobservableInputLiabilitiesDescription",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_SocialSecurityContributionsIncludingPriorPeriodAdjustments": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Social Security Contributions Including Prior Period Adjustments",
        "label": "Social Security Contributions Including Prior Period Adjustments",
        "terseLabel": "Social charges on free shares and stock option grants"
       }
      }
     },
     "localname": "SocialSecurityContributionsIncludingPriorPeriodAdjustments",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_SoftwareAndPatentsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Software and patents.",
        "label": "Software And Patents [Member]",
        "terseLabel": "Software and Patents [member]"
       }
      }
     },
     "localname": "SoftwareAndPatentsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_StateAndLocalTaxAuthorityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "State and local tax authority.",
        "label": "State And Local Tax Authority [Member]"
       }
      }
     },
     "localname": "StateAndLocalTaxAuthorityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_StateGuarantedLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "State guaranted loan.",
        "label": "State Guaranted Loan [Member]"
       }
      }
     },
     "localname": "StateGuarantedLoanMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_StateGuaranteedLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "State Guaranteed Loan.",
        "label": "State Guaranteed Loan [Member]",
        "verboseLabel": "State Guaranteed Loan [Member]"
       }
      }
     },
     "localname": "StateGuaranteedLoanMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Statement [LineItems].",
        "label": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_StatementTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_StepUpInterestRatePercentageOnNotesReceivable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Step up interest rate percentage on notes receivable.",
        "label": "Step Up Interest Rate Percentage On Notes Receivable",
        "terseLabel": "Step up interest rate percentage on notes receivable"
       }
      }
     },
     "localname": "StepUpInterestRatePercentageOnNotesReceivable",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "clls_StockOption1Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock option.",
        "label": "Stock Option 1 [Member]",
        "terseLabel": "Stock options [member]"
       }
      }
     },
     "localname": "StockOption1Member",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_StockUnitGrantTimeBasedConditionAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock Unit Grant Time Based Condition.",
        "label": "Stock Unit Grant Time Based Condition [Axis]"
       }
      }
     },
     "localname": "StockUnitGrantTimeBasedConditionAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_StockUnitGrantTimeBasedConditionDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock Unit Grant Time Based Condition.",
        "label": "Stock Unit Grant Time Based Condition [Domain]"
       }
      }
     },
     "localname": "StockUnitGrantTimeBasedConditionDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_StockholderEquityReverseStockSplit": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stockholder equity, reverse stock split.",
        "label": "Stockholder Equity Reverse Stock Split",
        "terseLabel": "Stockholders equity, reverse stock split"
       }
      }
     },
     "localname": "StockholderEquityReverseStockSplit",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_SubsidiarySaleOfStockAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Subsidiary Sale Of Stock",
        "label": "Subsidiary Sale Of Stock [Axis]",
        "terseLabel": "Subsidiary Sale Of Stock"
       }
      }
     },
     "localname": "SubsidiarySaleOfStockAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_SubsidiarySaleOfStockDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Subsidiary Sale Of Stock",
        "label": "Subsidiary Sale Of Stock [Domain]",
        "terseLabel": "Subsidiary Sale Of Stock"
       }
      }
     },
     "localname": "SubsidiarySaleOfStockDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_SubsidiesReceivables": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Subsidies receivables.",
        "label": "Subsidies receivables",
        "totalLabel": "Total subsidies receivables"
       }
      }
     },
     "localname": "SubsidiesReceivables",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfSubsidiesReceivablesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_SubsidiesReceivablesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Subsidies receivables.",
        "label": "Subsidies receivables [member]",
        "terseLabel": "Subsidies Receivables [member]"
       }
      }
     },
     "localname": "SubsidiesReceivablesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TaxAndSocialReceivables": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax and social receivables.",
        "label": "Tax And Social Receivables",
        "terseLabel": "Tax and social receivables"
       }
      }
     },
     "localname": "TaxAndSocialReceivables",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TaxAndSocialReceivablesCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_OtherCurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax and social receivables current.",
        "label": "Tax and social receivables current",
        "terseLabel": "Tax and social receivables"
       }
      }
     },
     "localname": "TaxAndSocialReceivablesCurrent",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TaxEffectOfTaxLossesExpirationPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax effect of tax losses expiration period.",
        "label": "Tax Effect Of Tax Losses Expiration Period"
       }
      }
     },
     "localname": "TaxEffectOfTaxLossesExpirationPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_TaxYearAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax Year.",
        "label": "Tax Year [Axis]"
       }
      }
     },
     "localname": "TaxYearAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_TaxYearDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax Year.",
        "label": "Tax Year [Domain]"
       }
      }
     },
     "localname": "TaxYearDomain",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TechnicalEquipmentsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Technical equipments.",
        "label": "Technical Equipments [Member]",
        "terseLabel": "Technical Equipment [member]"
       }
      }
     },
     "localname": "TechnicalEquipmentsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TenPercentOfIpoProbabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ten Percent Of IPO Probability [Member]",
        "terseLabel": "IPO probability 10%"
       }
      }
     },
     "localname": "TenPercentOfIpoProbabilityMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TerminationOfCommercialLitigationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Termination Of Commercial Litigation [Member]",
        "terseLabel": "Termination of Commercial Litigation [Member]"
       }
      }
     },
     "localname": "TerminationOfCommercialLitigationMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TextBlock1Abstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Text Block [Abstract]",
        "label": "Text block1 [abstract]",
        "verboseLabel": "Text block1 [abstract]"
       }
      }
     },
     "localname": "TextBlock1Abstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_TherapeuticsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Therapeutics.",
        "label": "Therapeutics [Member]",
        "terseLabel": "Therapeutics [member]"
       }
      }
     },
     "localname": "TherapeuticsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TotalAmountToBeRepaid": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total amount to be repaid.",
        "label": "Total Amount To Be Repaid",
        "terseLabel": "Amount to be repaid"
       }
      }
     },
     "localname": "TotalAmountToBeRepaid",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TotalCurrentFinancialLiabilitiesIncludingCurrentLeaseLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total current financial liabilities including current lease liabilities.",
        "label": "Total Current Financial Liabilities Including Current Lease Liabilities",
        "terseLabel": "Total current financial liabilities and current lease debts",
        "totalLabel": "Total current financial liabilities and current lease debts"
       }
      }
     },
     "localname": "TotalCurrentFinancialLiabilitiesIncludingCurrentLeaseLiabilities",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts": {
     "auth_ref": [],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total non-current financial liabilities and non-current lease debts.",
        "label": "Total Non current Financial Liabilities And Non current Lease Debts",
        "totalLabel": "Total non-current financial liabilities and non-current lease debts"
       }
      }
     },
     "localname": "TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TradePayablesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trade payables.",
        "label": "Trade Payables [member]",
        "terseLabel": "Trade Payables [member]"
       }
      }
     },
     "localname": "TradePayablesMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TradeReceivableMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trade Receivable",
        "label": "Trade Receivable [Member]"
       }
      }
     },
     "localname": "TradeReceivableMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TradeReceivablesAndOtherCurrentAssetsExplanatory": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure of trade receivables and other current assets Explanatory",
        "label": "Trade receivables and other current assets Explanatory",
        "terseLabel": "Trade receivables and other current assets"
       }
      }
     },
     "localname": "TradeReceivablesAndOtherCurrentAssetsExplanatory",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "clls_TradeReceivablesRelatedToAmericanDepositaryReceiptsProgram": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trade receivables related to american depositary receipts program.",
        "label": "Trade Receivables Related To American Depositary Receipts program",
        "terseLabel": "Trade receivables related to American depositary receipts program"
       }
      }
     },
     "localname": "TradeReceivablesRelatedToAmericanDepositaryReceiptsProgram",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TrancheAWarrantsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tranche A Warrants.",
        "label": "Tranche A Warrants [Member]"
       }
      }
     },
     "localname": "TrancheAWarrantsMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TransactionCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Transaction costs.",
        "label": "Transaction Costs",
        "terseLabel": "Transaction costs"
       }
      }
     },
     "localname": "TransactionCosts",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_TwoThousandAndSeventeenPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand and seventeen plan.",
        "label": "Two Thousand And Seventeen Plan [Member]",
        "terseLabel": "2017 Plan"
       }
      }
     },
     "localname": "TwoThousandAndSeventeenPlanMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TwoThousandAndTwentyOneAndThereafterMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand and twenty one and thereafter.",
        "label": "Two Thousand And Twenty One And Thereafter [Member]",
        "terseLabel": "2021 Thereafter"
       }
      }
     },
     "localname": "TwoThousandAndTwentyOneAndThereafterMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_TypeOfServiceAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Type of Service [Axis]"
       }
      }
     },
     "localname": "TypeOfServiceAxis",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_TypeOfServiceMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Type of Service [Member]"
       }
      }
     },
     "localname": "TypeOfServiceMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_USDollarMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Us Dollar [Member]",
        "label": "Us Dollar [member]",
        "terseLabel": "US Dollar [member]"
       }
      }
     },
     "localname": "USDollarMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "clls_UnderwritingDiscountsAndOtherOfferingExpenses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Underwriting discounts and other offering expenses.",
        "label": "Underwriting Discounts And Other Offering Expenses",
        "terseLabel": "Underwriting discounts and other offering expenses"
       }
      }
     },
     "localname": "UnderwritingDiscountsAndOtherOfferingExpenses",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UnusedCurrentProvisionsReversed": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unused current provisions reversed.",
        "label": "Unused Current Provisions Reversed",
        "terseLabel": "Current provisions Reversals"
       }
      }
     },
     "localname": "UnusedCurrentProvisionsReversed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UnusedNonCurrentProvisionsReversed": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unused non current provisions reversed.",
        "label": "Unused Non Current Provisions Reversed",
        "terseLabel": "Non current provisions Reversals"
       }
      }
     },
     "localname": "UnusedNonCurrentProvisionsReversed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UnusedProvisionsReversed": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unused provisions reversed.",
        "label": "Unused Provisions Reversed",
        "terseLabel": "Reversals"
       }
      }
     },
     "localname": "UnusedProvisionsReversed",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UpfrontAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Upfront amount.",
        "label": "Upfront amount",
        "terseLabel": "UpfrontAmount"
       }
      }
     },
     "localname": "UpfrontAmount",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UpfrontPaymentEligibleToBeReceived": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Upfront payment eligible to be received.",
        "label": "Upfront Payment Eligible To Be Received",
        "terseLabel": "Upfront payment eligible to be received"
       }
      }
     },
     "localname": "UpfrontPaymentEligibleToBeReceived",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UpfrontsRevenue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of upfronts revenue.",
        "label": "Upfronts Revenue",
        "terseLabel": "Recognition of previously deferred upfront payments"
       }
      }
     },
     "localname": "UpfrontsRevenue",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipments": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Useful lives or depreciation rates property plant and equipments.",
        "label": "Useful Lives Or Depreciation Rates Property Plant And Equipments",
        "terseLabel": "Estimated useful lives"
       }
      }
     },
     "localname": "UsefulLivesOrDepreciationRatesPropertyPlantAndEquipments",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_VarianceOfStockOptionsGranted": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Variance of stock options granted.",
        "label": "Variance Of Stock Options Granted",
        "terseLabel": "Variance of Stock Options Granted"
       }
      }
     },
     "localname": "VarianceOfStockOptionsGranted",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlowsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_VestingPeriodOfWarrants": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting period of warrants",
        "label": "Vesting period of warrants",
        "terseLabel": "Vesting period of warrants"
       }
      }
     },
     "localname": "VestingPeriodOfWarrants",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "clls_WarrantsIssued": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants issued.",
        "label": "Warrants Issued",
        "terseLabel": "Warrants Issued"
       }
      }
     },
     "localname": "WarrantsIssued",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_WarrantsIssuedDuringPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants issued during period.",
        "label": "Warrants Issued During Period",
        "terseLabel": "Warrants issued during period"
       }
      }
     },
     "localname": "WarrantsIssuedDuringPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "clls_WarrantsMaturityPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants maturity period.",
        "label": "Warrants Maturity Period",
        "terseLabel": "Warrants maturity period"
       }
      }
     },
     "localname": "WarrantsMaturityPeriod",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "clls_WarrantsValuationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants Valuation.",
        "label": "Warrants Valuation [Abstract]"
       }
      }
     },
     "localname": "WarrantsValuationAbstract",
     "nsuri": "http://www.cellectis.com/20230630",
     "xbrltype": "stringItemType"
    },
    "clls_WeightedAverageExercisePriceOfShareOptionsExercisableExercisedInShareBasedPaymentArrangements": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average exercise price of share options exercisable exercised in share based payment arrangements.",
        "label": "Weighted Average Exercise Price Of Share Options Exercisable Exercised In Share Based Payment Arrangements",
        "terseLabel": "Weighted- average exercise price per share, exercised"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableExercisedInShareBasedPaymentArrangements",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_WeightedAverageExercisePriceOfShareOptionsExercisableForfeitedOrExpiredInShareBasedPaymentArrangements": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average exercise price of share options exercisable forfeited or expired in share based payment arrangements.",
        "label": "Weighted Average Exercise Price Of Share Options Exercisable Forfeited Or Expired In Share Based Payment Arrangements",
        "terseLabel": "Weighted- average exercise price per share, forfeited or expired"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableForfeitedOrExpiredInShareBasedPaymentArrangements",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_WeightedAverageExercisePriceOfShareOptionsExercisableGrantedInShareBasedPaymentArrangements": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average exercise price of share options exercisable granted in share based payment arrangements.",
        "label": "Weighted Average Exercise Price Of Share Options Exercisable Granted In Share Based Payment Arrangements",
        "terseLabel": "Weighted- average exercise price per share, granted"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableGrantedInShareBasedPaymentArrangements",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentsArrangement": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average exercise price of share options exercisable in sharebased payments arrangement.",
        "label": "Weighted Average Exercise Price Of Share Options Exercisable In Sharebased Payments Arrangement",
        "periodEndLabel": "Weighted- average exercise price per share, ending balance",
        "periodStartLabel": "Weighted- average exercise price per share, beginning balance"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentsArrangement",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_WeightedAverageExercisePriceOfShareOptionsForfeitedOrExpiredInShareBasedPaymentArrangements": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average exercise price of share options forfeited or expired in share based payment arrangements.",
        "label": "Weighted Average Exercise Price Of Share Options Forfeited Or Expired In Share Based Payment Arrangements",
        "terseLabel": "Weighted average exercise price per share, forfeited or expired"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsForfeitedOrExpiredInShareBasedPaymentArrangements",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentBeginningBalance": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average grant date fair value per share other equity instruments beginning balance.",
        "label": "Weighted Average Grant Date Fair Value Per Share Other Equity Instrument Beginning Balance",
        "periodStartLabel": "Weighted average\u00a0grant date fair value, beginning balance"
       }
      }
     },
     "localname": "WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentBeginningBalance",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsCancelled": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average grant date fair value per share other equity instruments cancelled.",
        "label": "Weighted Average Grant Date Fair Value per Share Other Equity Instruments Cancelled",
        "terseLabel": "Weighted average grant date fair Value, cancelled"
       }
      }
     },
     "localname": "WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsCancelled",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsEndingBalance": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average grant date fair value per share other equity instruments ending balance.",
        "label": "Weighted Average Grant Date Fair Value Per Share Other Equity Instruments Ending Balance",
        "periodEndLabel": "Weighted average\u00a0grant date fair value, ending balance"
       }
      }
     },
     "localname": "WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsEndingBalance",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsGranted": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average grant date fair value per share other equity instruments granted.",
        "label": "Weighted Average Grant Date Fair Value Per Share Other Equity Instruments, Granted",
        "terseLabel": "Weighted average grant date fair Value, granted"
       }
      }
     },
     "localname": "WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsGranted",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsVested": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average grant date fair value per share other equity instruments vested.",
        "label": "Weighted Average Grant Date Fair Value per Share Other Equity Instruments Vested",
        "terseLabel": "Weighted average grant date fair value, vested"
       }
      }
     },
     "localname": "WeightedAverageGrantDateFairValuePerShareOtherEquityInstrumentsVested",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "clls_WeightedAverageSharePriceShareOptionsGrantedPerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average per share price used as input to the option pricing model to calculate the fair value of share options granted.",
        "label": "Weighted Average Share Price Share Options Granted Per share",
        "terseLabel": "Weighted-Average fair values of stock options granted",
        "verboseLabel": "Weighted-Average fair values of warrants granted"
       }
      }
     },
     "localname": "WeightedAverageSharePriceShareOptionsGrantedPerShare",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "clls_YearTwoThousandAndThirtyTwoAndBeyondMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Year Two Thousand And Thirty Two And Beyond.",
        "label": "Year Two Thousand And Thirty Two And Beyond [Member]",
        "verboseLabel": "2032 and beyond [Member]"
       }
      }
     },
     "localname": "YearTwoThousandAndThirtyTwoAndBeyondMember",
     "nsuri": "http://www.cellectis.com/20230630",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "country_FR": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "FRANCE",
        "terseLabel": "France [member]",
        "verboseLabel": "FR"
       }
      }
     },
     "localname": "FR",
     "nsuri": "http://xbrl.sec.gov/country/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "country_US": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "UNITED STATES",
        "terseLabel": "United States [member]",
        "verboseLabel": "US"
       }
      }
     },
     "localname": "US",
     "nsuri": "http://xbrl.sec.gov/country/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_AllCurrenciesDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Currencies [Domain]",
        "terseLabel": "Currency 1 [Domain]"
       }
      }
     },
     "localname": "AllCurrenciesDomain",
     "nsuri": "http://xbrl.sec.gov/currency/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AddressTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "An entity may have several addresses for different purposes and this domain represents all such types.",
        "label": "Address Type [Domain]"
       }
      }
     },
     "localname": "AddressTypeDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AdrMember": {
     "auth_ref": [
      "r302"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "American Depositary Receipt (or American Depositary Share, ADS).",
        "label": "ADR [Member]",
        "verboseLabel": "American Depositary Shares [member]"
       }
      }
     },
     "localname": "AdrMember",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_AuditorFirmId": {
     "auth_ref": [
      "r303",
      "r304",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "PCAOB issued Audit Firm Identifier",
        "label": "Auditor Firm ID"
       }
      }
     },
     "localname": "AuditorFirmId",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "nonemptySequenceNumberItemType"
    },
    "dei_AuditorLocation": {
     "auth_ref": [
      "r303",
      "r304",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Location"
       }
      }
     },
     "localname": "AuditorLocation",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "internationalNameItemType"
    },
    "dei_AuditorName": {
     "auth_ref": [
      "r303",
      "r304",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Name"
       }
      }
     },
     "localname": "AuditorName",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "internationalNameItemType"
    },
    "dei_BusinessContactMember": {
     "auth_ref": [
      "r304",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Business contact for the entity",
        "label": "Business Contact [Member]"
       }
      }
     },
     "localname": "BusinessContactMember",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_ContactPersonnelFaxNumber": {
     "auth_ref": [
      "r304"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fax Number of contact personnel.",
        "label": "Contact Personnel Fax Number"
       }
      }
     },
     "localname": "ContactPersonnelFaxNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_ContactPersonnelName": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of contact personnel",
        "label": "Contact Personnel Name"
       }
      }
     },
     "localname": "ContactPersonnelName",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentAccountingStandard": {
     "auth_ref": [
      "r304"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The basis of accounting the registrant has used to prepare the financial statements included in this filing This can either be 'U.S. GAAP', 'International Financial Reporting Standards', or 'Other'.",
        "label": "Document Accounting Standard"
       }
      }
     },
     "localname": "DocumentAccountingStandard",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "accountingStandardItemType"
    },
    "dei_DocumentAnnualReport": {
     "auth_ref": [
      "r303",
      "r304",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an annual report.",
        "label": "Document Annual Report"
       }
      }
     },
     "localname": "DocumentAnnualReport",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentInformationLineItems": {
     "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": "Document Information [Line Items]"
       }
      }
     },
     "localname": "DocumentInformationLineItems",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_DocumentInformationTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package.",
        "label": "Document Information [Table]"
       }
      }
     },
     "localname": "DocumentInformationTable",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentRegistrationStatement": {
     "auth_ref": [
      "r298"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a registration statement.",
        "label": "Document Registration Statement"
       }
      }
     },
     "localname": "DocumentRegistrationStatement",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentShellCompanyReport": {
     "auth_ref": [
      "r304"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true for a Shell Company Report pursuant to section 13 or 15(d) of the Exchange Act.",
        "label": "Document Shell Company Report"
       }
      }
     },
     "localname": "DocumentShellCompanyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r306"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "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"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCountry": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "ISO 3166-1 alpha-2 country code.",
        "label": "Entity Address, Country"
       }
      }
     },
     "localname": "EntityAddressCountry",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "countryCodeItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressesAddressTypeAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table.",
        "label": "Entity Addresses, Address Type [Axis]"
       }
      }
     },
     "localname": "EntityAddressesAddressTypeAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r300"
     ],
     "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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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]",
        "verboseLabel": "Entity [Domain]"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r300"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r300"
     ],
     "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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r307"
     ],
     "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"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r300"
     ],
     "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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r300"
     ],
     "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"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityVoluntaryFilers": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
        "label": "Entity Voluntary Filers"
       }
      }
     },
     "localname": "EntityVoluntaryFilers",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "auth_ref": [
      "r308"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
        "label": "Entity Well-known Seasoned Issuer",
        "terseLabel": "Entity Well-known Seasoned Issuer"
       }
      }
     },
     "localname": "EntityWellKnownSeasonedIssuer",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_IcfrAuditorAttestationFlag": {
     "auth_ref": [
      "r303",
      "r304",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "localname": "IcfrAuditorAttestationFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "verboseLabel": "Legal Entity [Axis]"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_NoTradingSymbolFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a security having no trading symbol.",
        "label": "No Trading Symbol Flag"
       }
      }
     },
     "localname": "NoTradingSymbolFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "trueItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r299"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r301"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/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/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CoverPage"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "ifrs-full_AccrualsAndDeferredIncomeIncludingContractLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accruals and deferred income including contract liabilities [abstract]"
       }
      }
     },
     "localname": "AccrualsAndDeferredIncomeIncludingContractLiabilitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r311"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for accumulated other comprehensive income. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Accumulated other comprehensive income [member]",
        "terseLabel": "Income (Loss) [member]"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ActuarialAssumptionOfDiscountRates": {
     "auth_ref": [
      "r324"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial assumption of discount rates",
        "terseLabel": "Discount rate"
       }
      }
     },
     "localname": "ActuarialAssumptionOfDiscountRates",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsScheduleOfEstimationOfRetirementIndemnityToEmployeeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases": {
     "auth_ref": [
      "r324"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial assumption of expected rates of salary increases",
        "terseLabel": "Salary increases"
       }
      }
     },
     "localname": "ActuarialAssumptionOfExpectedRatesOfSalaryIncreases",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsScheduleOfEstimationOfRetirementIndemnityToEmployeeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ActuarialAssumptionsAxis": {
     "auth_ref": [
      "r65"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial assumptions [axis]"
       }
      }
     },
     "localname": "ActuarialAssumptionsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ActuarialAssumptionsMember": {
     "auth_ref": [
      "r65"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all actuarial assumptions. Actuarial assumptions are the entity\u2019s unbiased and mutually compatible best estimates of the demographic and financial variables that will determine the ultimate cost of providing post-employment benefits. It also represents the standard value for the 'Actuarial assumptions' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial assumptions [member]"
       }
      }
     },
     "localname": "ActuarialAssumptionsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset": {
     "auth_ref": [
      "r63"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions that result in remeasurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (ie the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service. [Refer: Net defined benefit liability (asset)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Actuarial gains (losses) arising from changes in financial assumptions, net defined benefit liability (asset)",
        "negatedLabel": "Actuarial gains and losses"
       }
      }
     },
     "localname": "ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfNetDefinedBenefitLiabilityAndComponentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionalProvisionsOtherProvisions": {
     "auth_ref": [
      "r97"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additional other provisions made. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additional provisions, other provisions",
        "terseLabel": "Additions",
        "totalLabel": "Total additional provisions, other provisions",
        "verboseLabel": "Provisions for termination benefits"
       }
      }
     },
     "localname": "AdditionalProvisionsOtherProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "auth_ref": [
      "r54"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additions other than through business combinations, property, plant and equipment",
        "terseLabel": "Additions to tangible assets"
       }
      }
     },
     "localname": "AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionsToNoncurrentAssets": {
     "auth_ref": [
      "r233",
      "r237"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Financial instruments, class [member]; Non-current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets, and rights arising under insurance contracts",
        "terseLabel": "Additions to tangible and intangible assets"
       }
      }
     },
     "localname": "AdditionsToNoncurrentAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdditionsToRightofuseAssets": {
     "auth_ref": [
      "r170"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of additions to right-of-use assets. [Refer: Right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Additions to right-of-use assets",
        "terseLabel": "Additions"
       }
      }
     },
     "localname": "AdditionsToRightofuseAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustedWeightedAverageShares": {
     "auth_ref": [
      "r88"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average number of ordinary shares used in calculating diluted earnings per share",
        "terseLabel": "Diluted"
       }
      }
     },
     "localname": "AdjustedWeightedAverageShares",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable": {
     "auth_ref": [
      "r335"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in trade accounts receivable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in trade accounts receivable",
        "terseLabel": "Decrease (increase) in trade receivables and other current assets"
       }
      }
     },
     "localname": "AdjustmentsForDecreaseIncreaseInTradeAccountReceivable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense": {
     "auth_ref": [
      "r336"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 8.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for depreciation and amortisation expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Depreciation and amortisation expense; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for depreciation and amortisation expense",
        "terseLabel": "Amortization and depreciation"
       }
      }
     },
     "localname": "AdjustmentsForDepreciationAndAmortisationExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForFinanceIncomeCost": {
     "auth_ref": [
      "r337"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for net finance income or cost to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Finance income (cost); Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for finance income (cost)",
        "negatedLabel": "Net financial loss (gain)"
       }
      }
     },
     "localname": "AdjustmentsForFinanceIncomeCost",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment": {
     "auth_ref": [
      "r337"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 9.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for gain (loss) on disposals of property, plant and equipment to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss); Property, plant and equipment; Disposals, property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for gain (loss) on disposals, property, plant and equipment",
        "negatedLabel": "Net loss (income) on disposals"
       }
      }
     },
     "localname": "AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForIncomeTaxExpense": {
     "auth_ref": [
      "r119"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 7.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for income tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for income tax expense",
        "terseLabel": "Income tax"
       }
      }
     },
     "localname": "AdjustmentsForIncomeTaxExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable": {
     "auth_ref": [
      "r335"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 3.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInWorkingCapital",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in trade accounts payable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in trade accounts payable",
        "terseLabel": "(Decrease) increase in trade payables and other current liabilities"
       }
      }
     },
     "localname": "AdjustmentsForIncreaseDecreaseInTradeAccountPayable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForProvisions": {
     "auth_ref": [
      "r336"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for provisions to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Provisions; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for provisions",
        "terseLabel": "Provisions"
       }
      }
     },
     "localname": "AdjustmentsForProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments to reconcile profit (loss) [abstract]",
        "terseLabel": "Adjustment to reconcile net income (loss) to cash provided by (used in) operating activities"
       }
      }
     },
     "localname": "AdjustmentsForReconcileProfitLossAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_AdjustmentsForSharebasedPayments": {
     "auth_ref": [
      "r336"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 0.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments for share-based payments",
        "terseLabel": "Expenses related to share-based payments"
       }
      }
     },
     "localname": "AdjustmentsForSharebasedPayments",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AdjustmentsToReconcileProfitLossAttributableToOwnersOfParentToNumeratorUsedInCalculatingBasicEarningsPerShare": {
     "auth_ref": [
      "r87"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The adjustment to reconcile profit (loss) attributable to the parent entity to the numerator used in calculating basic earnings per share. It represents the aggregate of the reconciliation amounts for all classes of instruments that affect basic earnings per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Adjustments to reconcile profit (loss) attributable to owners of parent to numerator used in calculating basic earnings per share",
        "negatedTotalLabel": "Amount to be repaid"
       }
      }
     },
     "localname": "AdjustmentsToReconcileProfitLossAttributableToOwnersOfParentToNumeratorUsedInCalculatingBasicEarningsPerShare",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_Advances": {
     "auth_ref": [
      "r316",
      "r319"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of advances received representing contract liabilities for performance obligations satisfied at a point in time. [Refer: Contract liabilities; Performance obligations satisfied at point in time [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Advances received, representing contract liabilities for performance obligations satisfied at point in time",
        "terseLabel": "Conditional advances"
       }
      }
     },
     "localname": "Advances",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AggregatedMeasurementMember": {
     "auth_ref": [
      "r108",
      "r112",
      "r155"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all types of measurement. It also represents the standard value for the 'Measurement' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Aggregated measurement [member]"
       }
      }
     },
     "localname": "AggregatedMeasurementMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AggregatedTimeBandsMember": {
     "auth_ref": [
      "r21",
      "r165",
      "r173",
      "r175",
      "r176",
      "r177",
      "r179",
      "r180",
      "r205",
      "r258",
      "r287",
      "r291"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated time bands. It also represents the standard value for the 'Maturity' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Aggregated time bands [member]",
        "terseLabel": "Aggregated time bands [member]"
       }
      }
     },
     "localname": "AggregatedTimeBandsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill": {
     "auth_ref": [
      "r103"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Amortisation, intangible assets other than goodwill",
        "negatedLabel": "Depreciation expense"
       }
      }
     },
     "localname": "AmortisationIntangibleAssetsOtherThanGoodwill",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ApplicableTaxRate": {
     "auth_ref": [
      "r50"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The applicable income tax rate."
       }
      },
      "en-us": {
       "role": {
        "label": "Applicable tax rate",
        "verboseLabel": "Theoretical group tax rate"
       }
      }
     },
     "localname": "ApplicableTaxRate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_Assets": {
     "auth_ref": [
      "r19",
      "r155",
      "r156",
      "r159",
      "r232",
      "r236"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      },
      "en-us": {
       "role": {
        "label": "Assets",
        "periodEndLabel": "Assets at end of period",
        "periodStartLabel": "Assets at beginning of period",
        "totalLabel": "TOTAL ASSETS"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [abstract]",
        "terseLabel": "ASSETS"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_AverageEffectiveTaxRate": {
     "auth_ref": [
      "r50"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]"
       }
      },
      "en-us": {
       "role": {
        "label": "Average effective tax rate",
        "terseLabel": "Effective tax rate",
        "totalLabel": "Total average effective tax rate"
       }
      }
     },
     "localname": "AverageEffectiveTaxRate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_BalancesWithBanks": {
     "auth_ref": [
      "r338"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash balances held at banks."
       }
      },
      "en-us": {
       "role": {
        "label": "Balances with banks",
        "terseLabel": "Cash and bank accounts"
       }
      }
     },
     "localname": "BalancesWithBanks",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_BasicEarningsLossPerShare": {
     "auth_ref": [
      "r84",
      "r85"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator)."
       }
      },
      "en-us": {
       "role": {
        "label": "Basic earnings (loss) per share",
        "terseLabel": "Basic net income (loss) attributable to shareholders of Cellectis per share ( $ /share)",
        "totalLabel": "Total basic earnings (loss) per share",
        "verboseLabel": "Basic net income (loss) attributable to shareholders of Cellectis per share ($ /share)"
       }
      }
     },
     "localname": "BasicEarningsLossPerShare",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations": {
     "auth_ref": [
      "r85",
      "r86"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Basic earnings (loss) per share from discontinued operations. [Refer: Basic earnings (loss) per share; Discontinued operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Basic earnings (loss) per share from discontinued operations",
        "terseLabel": "Basic net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations",
        "verboseLabel": "Basic net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations"
       }
      }
     },
     "localname": "BasicEarningsLossPerShareFromDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_Borrowings": {
     "auth_ref": [
      "r316"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of outstanding funds that the entity is obligated to repay."
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings",
        "totalLabel": "Total borrowings",
        "verboseLabel": "Borrowings"
       }
      }
     },
     "localname": "Borrowings",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_BorrowingsByNameAxis": {
     "auth_ref": [
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings by name [axis]"
       }
      }
     },
     "localname": "BorrowingsByNameAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_BorrowingsByNameMember": {
     "auth_ref": [
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all borrowings when disaggregated by name. It also represents the standard value for the 'Borrowings by name' axis if no other member is used. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings by name [member]"
       }
      }
     },
     "localname": "BorrowingsByNameMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_BorrowingsInterestRate": {
     "auth_ref": [
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The interest rate on borrowings. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Borrowings, interest rate",
        "verboseLabel": "Fixed interest rate"
       }
      }
     },
     "localname": "BorrowingsInterestRate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_BottomOfRangeMember": {
     "auth_ref": [
      "r162",
      "r179",
      "r191",
      "r274",
      "r276",
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the bottom of a range."
       }
      },
      "en-us": {
       "role": {
        "label": "Bottom of range [member]",
        "terseLabel": "Bottom of Range [member]"
       }
      }
     },
     "localname": "BottomOfRangeMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_BuildingsMember": {
     "auth_ref": [
      "r322"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of plant, property and equipment representing depreciable buildings and similar structures for use in operations. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Buildings [member]",
        "terseLabel": "Building lease [member]"
       }
      }
     },
     "localname": "BuildingsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CapitalCommitmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Capital commitments [abstract]"
       }
      }
     },
     "localname": "CapitalCommitmentsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CapitalRequirementsAxis": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Capital requirements [axis]",
        "terseLabel": "Capital requirements [axis]"
       }
      }
     },
     "localname": "CapitalRequirementsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CapitalRequirementsMember": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for capital requirements that the entity is subject to. It also represents the standard value for the 'Capital requirements' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Capital requirements [member]",
        "terseLabel": "Capital requirements [member]"
       }
      }
     },
     "localname": "CapitalRequirementsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": {
     "auth_ref": [
      "r53",
      "r56",
      "r102",
      "r104",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r196",
      "r208",
      "r209"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]",
        "terseLabel": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]"
       }
      }
     },
     "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CarryingAmountMember": {
     "auth_ref": [
      "r56",
      "r104",
      "r109",
      "r111",
      "r112",
      "r196",
      "r208",
      "r209"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the amount at which an asset is recognised in the statement of financial position (after deducting any accumulated depreciation or amortisation and accumulated impairment losses). It also represents the standard value for the 'Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount' axis if no other member is used. [Refer: Depreciation and amortisation expense; Impairment loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Carrying amount [member]",
        "terseLabel": "Carrying amount [member]"
       }
      }
     },
     "localname": "CarryingAmountMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Cash": {
     "auth_ref": [
      "r338"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash on hand and demand deposits. [Refer: Cash on hand]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash received",
        "terseLabel": "Cash",
        "totalLabel": "Total cash"
       }
      }
     },
     "localname": "Cash",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashAndCashEquivalents": {
     "auth_ref": [
      "r12",
      "r121",
      "r146"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail": {
       "order": 1.0,
       "parentTag": "clls_CurrentFinancialAssetsAndCashAndCashEquivalents",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 4.0,
       "parentTag": "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents",
        "periodEndLabel": "Cash and cash equivalents at the end of the period",
        "periodStartLabel": "Cash and cash equivalents at the beginning of the year",
        "terseLabel": "Cash and cash equivalents",
        "totalLabel": "Total cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciplesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashAndCashEquivalentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents [abstract]"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition": {
     "auth_ref": [
      "r338"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash and cash equivalents in the statement of cash flows when different from the amount of cash and cash equivalents in the statement of financial position. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents if different from statement of financial position",
        "periodEndLabel": "Cash and cash equivalents at the end of the period",
        "periodStartLabel": "Cash and cash equivalents at the beginning of the year",
        "totalLabel": "Total cash and cash equivalents if different from statement of financial position"
       }
      }
     },
     "localname": "CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r120"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The aggregate cash flows arising from losing control of subsidiaries or other businesses, classified as investing activities. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from losing control of subsidiaries or other businesses, classified as investing activities",
        "terseLabel": "Cash flows from losing control of subsidiaries or other businesses",
        "verboseLabel": "Calyxt's cash and cash equivalents disposed of"
       }
      }
     },
     "localname": "CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivities": {
     "auth_ref": [
      "r114",
      "r122"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities",
        "netLabel": "Net cash flows from (used in) financing activities",
        "totalLabel": "Net cash flows provided by (used in) financing activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInFinancingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities [abstract]",
        "terseLabel": "Cash flows from financing activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 0.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) the entity's financing activities, related to continuing operations. [Refer: Continuing operations [member]; Cash flows from (used in) financing activities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities, continuing operations",
        "netLabel": "Net cash flows from (used in) financing activities, continuing operations",
        "totalLabel": "Net cash flows provided by financing activities of continuing operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInFinancingActivitiesContinuingOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) the entity's financing activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) financing activities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities, discontinued operations",
        "netLabel": "Net cash flows from (used in) financing activities, discontinued operations",
        "terseLabel": "Net cash flows provided by (used in) financing activities of discontinued operations",
        "verboseLabel": "Net cash flows provided by (used in) financing activities of discontinued operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivities": {
     "auth_ref": [
      "r114",
      "r122"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities",
        "netLabel": "Net cash flows from (used in) investing activities",
        "totalLabel": "Cash flows provided by (used in) investment activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInInvestingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities [abstract]",
        "terseLabel": "Cash flows from investment activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 0.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) the entity's investing activities, related to continuing operations. [Refer: Continuing operations [member]; Cash flows from (used in) investing activities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities, continuing operations",
        "netLabel": "Net cash flows from (used in) investing activities, continuing operations",
        "totalLabel": "Net cash flows provided by (used in) investing activities of continuing operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInInvestingActivitiesContinuingOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) the entity's investing activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) investing activities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities, discontinued operations",
        "netLabel": "Net cash flows from (used in) investing activities, discontinued operations",
        "terseLabel": "Net cash flows provided by (used in) investing activities of discontinued operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivities": {
     "auth_ref": [
      "r114",
      "r122"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 0.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities",
        "netLabel": "Net cash flows from (used in) operating activities",
        "totalLabel": "Net cash flows provided by (used in) operating activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperatingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities [abstract]",
        "terseLabel": "Cash flows from operating activities"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesContinuingOperations": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) the entity's operating activities, related to continuing operations. [Refer: Continuing operations [member]; Cash flows from (used in) operating activities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities, continuing operations",
        "netLabel": "Net cash flows from (used in) operating activities, continuing operations",
        "totalLabel": "Net cash flows provided by (used in) operating activities of continuing operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperatingActivitiesContinuingOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations": {
     "auth_ref": [
      "r200"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 0.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) the entity's operating activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) operating activities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities, discontinued operations",
        "netLabel": "Net cash flows from (used in) operating activities, discontinued operations",
        "terseLabel": "Net cash flows provided by (used in) operating activities of discontinued operations"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital": {
     "auth_ref": [
      "r268",
      "r337"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivitiesContinuingOperations",
       "weight": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow (outflow) from the entity's operations before changes in working capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operations before changes in working capital",
        "totalLabel": "Operating cash flows before change in working capital"
       }
      }
     },
     "localname": "CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CategoriesOfFinancialAssetsAxis": {
     "auth_ref": [
      "r222"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Categories of financial assets [axis]"
       }
      }
     },
     "localname": "CategoriesOfFinancialAssetsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CategoriesOfFinancialLiabilitiesAxis": {
     "auth_ref": [
      "r222"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Categories of financial liabilities [axis]"
       }
      }
     },
     "localname": "CategoriesOfFinancialLiabilitiesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CategoriesOfNoncurrentFinancialAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of non-current financial assets [abstract]"
       }
      }
     },
     "localname": "CategoriesOfNoncurrentFinancialAssetsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CategoriesOfRelatedPartiesAxis": {
     "auth_ref": [
      "r73"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Categories of related parties [axis]",
        "terseLabel": "Categories of related parties [axis]"
       }
      }
     },
     "localname": "CategoriesOfRelatedPartiesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ChangesInDeferredTaxLiabilityAssetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Changes in deferred tax liability (asset) [abstract]"
       }
      }
     },
     "localname": "ChangesInDeferredTaxLiabilityAssetAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ChangesInEquity": {
     "auth_ref": [
      "r6"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity. [Refer: Equity]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in equity",
        "terseLabel": "Issue of equity",
        "totalLabel": "Total increase (decrease) in equity"
       }
      }
     },
     "localname": "ChangesInEquity",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ClassesOfAssetsAxis": {
     "auth_ref": [
      "r90",
      "r92",
      "r161",
      "r172"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of assets [axis]",
        "terseLabel": "Classes of assets [axis]"
       }
      }
     },
     "localname": "ClassesOfAssetsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfAssetsMember": {
     "auth_ref": [
      "r90",
      "r161",
      "r172"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of assets' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Assets [member]",
        "terseLabel": "Assets [member]"
       }
      }
     },
     "localname": "ClassesOfAssetsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ClassesOfFinancialAssetsAxis": {
     "auth_ref": [
      "r181",
      "r215",
      "r216",
      "r243",
      "r244"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of financial assets [axis]",
        "terseLabel": "Classes of financial assets [axis]"
       }
      }
     },
     "localname": "ClassesOfFinancialAssetsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfFinancialInstrumentsAxis": {
     "auth_ref": [
      "r208",
      "r210",
      "r212",
      "r213"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of financial instruments [axis]",
        "terseLabel": "Classes of financial instruments [axis]"
       }
      }
     },
     "localname": "ClassesOfFinancialInstrumentsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfFinancialInstrumentsMember": {
     "auth_ref": [
      "r208",
      "r210",
      "r212",
      "r213"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial instruments. Financial instruments are contracts that give rise to a financial asset of one entity and a financial liability or equity instrument of another entity. It also represents the standard value for the 'Classes of financial instruments' axis if no other member is used. [Refer: Financial assets; Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial instruments, class [member]",
        "terseLabel": "Financial instruments, class [member]"
       }
      }
     },
     "localname": "ClassesOfFinancialInstrumentsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ClassesOfFinancialLiabilitiesAxis": {
     "auth_ref": [
      "r215",
      "r216",
      "r243",
      "r244"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of financial liabilities [axis]",
        "terseLabel": "Classes of financial liabilities [axis]"
       }
      }
     },
     "localname": "ClassesOfFinancialLiabilitiesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis": {
     "auth_ref": [
      "r331"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of intangible assets and goodwill [axis]",
        "terseLabel": "Classes of intangible assets and goodwill [axis]"
       }
      }
     },
     "localname": "ClassesOfIntangibleAssetsAndGoodwillAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfInventoriesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of current inventories [abstract]"
       }
      }
     },
     "localname": "ClassesOfInventoriesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": {
     "auth_ref": [
      "r57"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of property, plant and equipment [axis]",
        "terseLabel": "Classes of property, plant and equipment [axis]"
       }
      }
     },
     "localname": "ClassesOfPropertyPlantAndEquipmentAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfProvisionsAxis": {
     "auth_ref": [
      "r100"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of other provisions [axis]"
       }
      }
     },
     "localname": "ClassesOfProvisionsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfShareCapitalAxis": {
     "auth_ref": [
      "r29"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Classes of share capital [axis]",
        "terseLabel": "Classes of share capital [axis]"
       }
      }
     },
     "localname": "ClassesOfShareCapitalAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ClassesOfShareCapitalMember": {
     "auth_ref": [
      "r29"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for share capital of the entity. It also represents the standard value for the 'Classes of share capital' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Share capital [member]",
        "terseLabel": "Share capital [member]"
       }
      }
     },
     "localname": "ClassesOfShareCapitalMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ComponentsOfEquityAxis": {
     "auth_ref": [
      "r7"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Components of equity [axis]",
        "terseLabel": "Components of equity [axis]"
       }
      }
     },
     "localname": "ComponentsOfEquityAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ComprehensiveIncome": {
     "auth_ref": [
      "r2",
      "r33",
      "r128",
      "r130",
      "r141",
      "r270"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners."
       }
      },
      "en-us": {
       "role": {
        "label": "Comprehensive income",
        "totalLabel": "Total Comprehensive income (loss)"
       }
      }
     },
     "localname": "ComprehensiveIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests": {
     "auth_ref": [
      "r2",
      "r36"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss2": {
       "order": 0.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to non-controlling interests. [Refer: Comprehensive income; Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Comprehensive income, attributable to non-controlling interests",
        "terseLabel": "Attributable to non-controlling interests",
        "totalLabel": "Total comprehensive income, attributable to non-controlling interests",
        "verboseLabel": "Total comprehensive income attributable to NCI"
       }
      }
     },
     "localname": "ComprehensiveIncomeAttributableToNoncontrollingInterests",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent": {
     "auth_ref": [
      "r2",
      "r37"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss2": {
       "order": 1.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to owners of the parent. [Refer: Comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Comprehensive income, attributable to owners of parent",
        "terseLabel": "Attributable to shareholders of Cellectis",
        "totalLabel": "Total comprehensive income, attributable to owners of parent"
       }
      }
     },
     "localname": "ComprehensiveIncomeAttributableToOwnersOfParent",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ComputerEquipmentMember": {
     "auth_ref": [
      "r322"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing computer equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Computer equipment [member]",
        "terseLabel": "IT Equipment [member]"
       }
      }
     },
     "localname": "ComputerEquipmentMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ComputerSoftwareMember": {
     "auth_ref": [
      "r261"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets representing computer software. [Refer: Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Computer software [member]",
        "terseLabel": "Computer Software [member]"
       }
      }
     },
     "localname": "ComputerSoftwareMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ConstructionInProgressMember": {
     "auth_ref": [
      "r322"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for expenditure capitalised during the construction of items of property, plant and equipment that are not yet available for use (ie not yet in the location and condition necessary for it to be capable of operating in the manner intended by the management). [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Construction in progress [member]",
        "terseLabel": "Assets Under Construction [member]"
       }
      }
     },
     "localname": "ConstructionInProgressMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ContinuingAndDiscontinuedOperationsAxis": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Continuing and discontinued operations [axis]",
        "terseLabel": "Continuing and discontinued operations [axis]"
       }
      }
     },
     "localname": "ContinuingAndDiscontinuedOperationsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ContinuingOperationsMember": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for components of the entity that are not discontinued operations. A component of an entity comprises operations and cash flows that can be clearly distinguished, operationally and for financial reporting purposes, from the rest of the entity. This member also represents the standard value for the 'Continuing and discontinued operations' axis if no other member is used. [Refer: Discontinued operations [member]; Aggregate continuing and discontinued operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Continuing operations [member]"
       }
      }
     },
     "localname": "ContinuingOperationsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember": {
     "auth_ref": [
      "r262"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets representing copyrights, patents and other industrial property rights, service and operating rights. [Refer: Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Copyrights, patents and other industrial property rights, service and operating rights [member]",
        "terseLabel": "Patents [member]"
       }
      }
     },
     "localname": "CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_CostOfMerchandiseSold": {
     "auth_ref": [
      "r321"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of merchandise that was sold during the period and recognised as an expense."
       }
      },
      "en-us": {
       "role": {
        "label": "Cost of merchandise sold",
        "negatedLabel": "Cost of good sold"
       }
      }
     },
     "localname": "CostOfMerchandiseSold",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CostOfSales": {
     "auth_ref": [
      "r0",
      "r45"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 1.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of all expenses directly or indirectly attributed to the goods or services sold. Attributed expenses include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, such as depreciation and maintenance of factory buildings and equipment used in the production process, unallocated production overheads, and abnormal amounts of production costs of inventories."
       }
      },
      "en-us": {
       "role": {
        "label": "Cost of sales",
        "negatedLabel": "Cost of revenue",
        "negatedTerseLabel": "Cost of revenue"
       }
      }
     },
     "localname": "CostOfSales",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current assets [abstract]",
        "terseLabel": "Current assets"
       }
      }
     },
     "localname": "CurrentAssetsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners": {
     "auth_ref": [
      "r22"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 2.0,
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners. [Refer: Current assets; Disposal groups classified as held for sale [member]; Non-current assets or disposal groups classified as held for sale; Non-current assets or disposal groups classified as held for distribution to owners]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners",
        "totalLabel": "Total current assets"
       }
      }
     },
     "localname": "CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentDeferredIncomeIncludingCurrentContractLiabilities": {
     "auth_ref": [
      "r316",
      "r319"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 3.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current deferred income including current contract liabilities. [Refer: Deferred income including contract liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current deferred income including current contract liabilities",
        "terseLabel": "Deferred revenues and contract liabilities",
        "totalLabel": "Total Deferred revenue and contract liabilities"
       }
      }
     },
     "localname": "CurrentDeferredIncomeIncludingCurrentContractLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DeferredRevenuesAndContractLiabilitiesSummaryOfDeferredRevenuesAndContractLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentFinancialAssets": {
     "auth_ref": [
      "r206"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail": {
       "order": 0.0,
       "parentTag": "clls_CurrentFinancialAssetsAndCashAndCashEquivalents",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 3.0,
       "parentTag": "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current financial assets. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current financial assets",
        "terseLabel": "Current financial assets",
        "totalLabel": "Total current financial assets"
       }
      }
     },
     "localname": "CurrentFinancialAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCurrentFinancialAssetsAndCashAndCashEquivalentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentFinancialLiabilities": {
     "auth_ref": [
      "r206"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 6.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current financial liabilities. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current financial liabilities",
        "terseLabel": "Current financial liabilities",
        "totalLabel": "Total current financial liabilities"
       }
      }
     },
     "localname": "CurrentFinancialLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentLeaseLiabilities": {
     "auth_ref": [
      "r167"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "clls_TotalCurrentFinancialLiabilitiesIncludingCurrentLeaseLiabilities",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current lease liabilities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current lease liabilities",
        "terseLabel": "Current lease debts",
        "verboseLabel": "Lease debts"
       }
      }
     },
     "localname": "CurrentLeaseLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentLiabilities": {
     "auth_ref": [
      "r23",
      "r139",
      "r270"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 2.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have the right at the end of the reporting period to defer settlement for at least twelve months after the reporting period."
       }
      },
      "en-us": {
       "role": {
        "label": "Current liabilities",
        "negatedLabel": "Current liabilities",
        "terseLabel": "Current liabilities",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "localname": "CurrentLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current liabilities [abstract]",
        "terseLabel": "Current liabilities"
       }
      }
     },
     "localname": "CurrentLiabilitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_CurrentPrepaidExpenses": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_OtherCurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised."
       }
      },
      "en-us": {
       "role": {
        "label": "Current prepaid expenses",
        "terseLabel": "Prepaid expenses and other prepayments"
       }
      }
     },
     "localname": "CurrentPrepaidExpenses",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentProvisions": {
     "auth_ref": [
      "r14"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 4.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current provisions, including provisions for employee benefits. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current provisions",
        "periodEndLabel": "Current provisions Ending balance",
        "periodStartLabel": "Current provisions beginning balance",
        "terseLabel": "Current provisions",
        "totalLabel": "Total current provisions"
       }
      }
     },
     "localname": "CurrentProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentRestrictedCashAndCashEquivalents": {
     "auth_ref": [
      "r316"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current restricted cash and cash equivalents. [Refer: Restricted cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current restricted cash and cash equivalents",
        "verboseLabel": "Short term restricted cash"
       }
      }
     },
     "localname": "CurrentRestrictedCashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "clls_TotalCurrentFinancialLiabilitiesIncludingCurrentLeaseLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current secured bank loans received and the current portion of non-current secured bank loans received. [Refer: Secured bank loans received]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current secured bank loans received and current portion of non-current secured bank loans received",
        "terseLabel": "State Guaranteed loan \u00ab PGE \u00bb",
        "verboseLabel": "Current liability of loan"
       }
      }
     },
     "localname": "CurrentSecuredBankLoansReceivedAndCurrentPortionOfNoncurrentSecuredBankLoansReceived",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset": {
     "auth_ref": [
      "r61"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current service cost, net defined benefit liability (asset)",
        "negatedLabel": "Current service cost"
       }
      }
     },
     "localname": "CurrentServiceCostNetDefinedBenefitLiabilityAsset",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfNetDefinedBenefitLiabilityAndComponentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentTradeReceivables": {
     "auth_ref": [
      "r249",
      "r251"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfTradeReceivablesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current trade receivables. [Refer: Trade receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current trade receivables",
        "terseLabel": "Trade receivables",
        "totalLabel": "Total net value of trade receivables"
       }
      }
     },
     "localname": "CurrentTradeReceivables",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfTradeReceivablesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentValueAddedTaxPayables": {
     "auth_ref": [
      "r319"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current value added tax payables. [Refer: Value added tax payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current value added tax payables",
        "terseLabel": "VAT Payables"
       }
      }
     },
     "localname": "CurrentValueAddedTaxPayables",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_CurrentValueAddedTaxReceivables": {
     "auth_ref": [
      "r317"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_OtherCurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current value added tax receivables. [Refer: Value added tax receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current value added tax receivables",
        "terseLabel": "VAT receivables"
       }
      }
     },
     "localname": "CurrentValueAddedTaxReceivables",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DebtSecuritiesMember": {
     "auth_ref": [
      "r271",
      "r275"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for instruments held by the entity that represent indebtedness."
       }
      },
      "en-us": {
       "role": {
        "label": "Debt securities [member]"
       }
      }
     },
     "localname": "DebtSecuritiesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_DecreaseThroughDerecognitionFinancialAssets": {
     "auth_ref": [
      "r283",
      "r284",
      "r292"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease in financial assets resulting from derecognition. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Decrease through derecognition, financial assets",
        "negatedLabel": "Decrease through derecognition, financial assets",
        "terseLabel": "Decrease through derecognition, financial assets"
       }
      }
     },
     "localname": "DecreaseThroughDerecognitionFinancialAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised": {
     "auth_ref": [
      "r51"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deductible temporary differences for which no deferred tax asset is recognised",
        "negatedLabel": "Non recognition of deferred tax assets related to tax losses and temporary differences"
       }
      }
     },
     "localname": "DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DeferredTaxLiabilityAsset": {
     "auth_ref": [
      "r52"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Deferred tax liability (asset)",
        "netLabel": "Net deferred tax liability (asset)",
        "periodEndLabel": "Deferred tax liability (asset) at end of period",
        "periodStartLabel": "Deferred tax liability (asset) at beginning of period",
        "terseLabel": "Total unrecognized deferred tax assets, net"
       }
      }
     },
     "localname": "DeferredTaxLiabilityAsset",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DefinedBenefitPlansAxis": {
     "auth_ref": [
      "r59"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Defined benefit plans [axis]",
        "terseLabel": "Defined benefit plans [axis]"
       }
      }
     },
     "localname": "DefinedBenefitPlansAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DefinedBenefitPlansMember": {
     "auth_ref": [
      "r59"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for post-employment benefit plans other than defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods. It also represents the standard value for the 'Defined benefit plans' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Defined benefit plans [member]",
        "terseLabel": "Defined benefit plans [member]"
       }
      }
     },
     "localname": "DefinedBenefitPlansMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_DepreciationAndAmortisationExpense": {
     "auth_ref": [
      "r1",
      "r45",
      "r149",
      "r230",
      "r237",
      "r246"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives."
       }
      },
      "en-us": {
       "role": {
        "label": "Depreciation and amortisation expense",
        "negatedLabel": "Depreciation and amortization",
        "totalLabel": "Total depreciation and amortisation expense"
       }
      }
     },
     "localname": "DepreciationAndAmortisationExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DepreciationExpense": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives."
       }
      },
      "en-us": {
       "role": {
        "label": "Depreciation expense",
        "negatedLabel": "Depreciation expense"
       }
      }
     },
     "localname": "DepreciationExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DepreciationRightofuseAssets": {
     "auth_ref": [
      "r168"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Depreciation, right-of-use assets",
        "negatedLabel": "Depreciation expense",
        "terseLabel": "Depreciation, right-of-use assets"
       }
      }
     },
     "localname": "DepreciationRightofuseAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory": {
     "auth_ref": [
      "r313"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for the currency of the primary economic environment in which the entity operates."
       }
      },
      "en-us": {
       "role": {
        "label": "Description of accounting policy for functional currency [text block]",
        "terseLabel": "Currency of the financial statements"
       }
      }
     },
     "localname": "DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciplesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections": {
     "auth_ref": [
      "r93",
      "r94"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Discount rate applied to cash flow projections",
        "terseLabel": "Discounted rate applied to cash flow projections"
       }
      }
     },
     "localname": "DescriptionOfDiscountRatesAppliedToCashFlowProjections",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": {
     "auth_ref": [
      "r193"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time."
       }
      },
      "en-us": {
       "role": {
        "label": "Expected volatility, share options granted",
        "terseLabel": "Expected volatility",
        "verboseLabel": "Expected volatility"
       }
      }
     },
     "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": {
     "auth_ref": [
      "r193"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Risk free interest rate, share options granted",
        "terseLabel": "Risk-free interest rate"
       }
      }
     },
     "localname": "DescriptionOfRiskFreeInterestRateShareOptionsGranted",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_DescriptionOfTypeOfRetirementBenefitPlan": {
     "auth_ref": [
      "r77"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the type of retirement benefit plans, ie defined contribution or defined benefit. [Refer: Defined benefit plans [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of type of retirement benefit plan",
        "terseLabel": "Terms of retirement"
       }
      }
     },
     "localname": "DescriptionOfTypeOfRetirementBenefitPlan",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsScheduleOfEstimationOfRetirementIndemnityToEmployeeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DescriptionOfVestingRequirementsForSharebasedPaymentArrangement": {
     "auth_ref": [
      "r183"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Description of vesting requirements for share-based payment arrangement",
        "terseLabel": "Vesting description",
        "verboseLabel": "Vesting period"
       }
      }
     },
     "localname": "DescriptionOfVestingRequirementsForSharebasedPaymentArrangement",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DilutedEarningsLossPerShare": {
     "auth_ref": [
      "r84",
      "r85"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Diluted earnings (loss) per share",
        "terseLabel": "Diluted net income (loss) attributable to shareholders of Cellectis per share ( $ /share)",
        "totalLabel": "Total diluted earnings (loss) per share",
        "verboseLabel": "Diluted net income (loss) attributable to shareholders of Cellectis per share ($ /share)"
       }
      }
     },
     "localname": "DilutedEarningsLossPerShare",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations": {
     "auth_ref": [
      "r85",
      "r86"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Diluted earnings (loss) per share from discontinued operations. [Refer: Diluted earnings (loss) per share; Discontinued operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Diluted earnings (loss) per share from discontinued operations",
        "terseLabel": "Diluted earnings from discontinued operations per share ( $ /share)",
        "verboseLabel": "Diluted net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations"
       }
      }
     },
     "localname": "DilutedEarningsLossPerShareFromDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of judgements that management has made in the process of applying the entity's accounting policies that have the most significant effect on amounts recognised in the financial statements along with information about the assumptions that the entity makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next year. [Refer: Carrying amount [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of accounting judgements and estimates [text block]",
        "terseLabel": "Accounting principles"
       }
      }
     },
     "localname": "DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciples"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of analysis of single amount of discontinued operations [line items]"
       }
      }
     },
     "localname": "DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable": {
     "auth_ref": [
      "r199"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the analysis of the single amount of discontinued operations."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of analysis of single amount of discontinued operations [table]"
       }
      }
     },
     "localname": "DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfBasisOfConsolidationExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the basis used for consolidation."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of basis of consolidation [text block]",
        "terseLabel": "Information concerning the Group's Consolidated Operations"
       }
      }
     },
     "localname": "DisclosureOfBasisOfConsolidationExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperations"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the basis used for the preparation of the financial statements."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of basis of preparation of financial statements [text block]",
        "terseLabel": "Basis for preparation"
       }
      }
     },
     "localname": "DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/AccountingPrinciplesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of cash and cash equivalents [text block]",
        "terseLabel": "Details of Cash and Cash Equivalents"
       }
      }
     },
     "localname": "DisclosureOfCashAndCashEquivalentsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfChangesInAccountingEstimatesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of changes in accounting estimates [abstract]"
       }
      }
     },
     "localname": "DisclosureOfChangesInAccountingEstimatesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory": {
     "auth_ref": [
      "r29"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of classes of share capital. [Refer: Share capital [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [text block]",
        "terseLabel": "Schedule of Classes of Share Capital"
       }
      }
     },
     "localname": "DisclosureOfClassesOfShareCapitalExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [line items]",
        "terseLabel": "Disclosure of classes of share capital [line items]"
       }
      }
     },
     "localname": "DisclosureOfClassesOfShareCapitalLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalTable": {
     "auth_ref": [
      "r29"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to classes of share capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [table]",
        "terseLabel": "Disclosure of classes of share capital [table]"
       }
      }
     },
     "localname": "DisclosureOfClassesOfShareCapitalTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfCommitmentsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of commitments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of commitments [text block]",
        "terseLabel": "Commitments"
       }
      }
     },
     "localname": "DisclosureOfCommitmentsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/Commitments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [line items]",
        "terseLabel": "Disclosure of contingent liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfContingentLiabilitiesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesTable": {
     "auth_ref": [
      "r101"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to contingent liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [table]",
        "terseLabel": "Disclosure of contingent liabilities [table]"
       }
      }
     },
     "localname": "DisclosureOfContingentLiabilitiesTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDefinedBenefitPlansAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of defined benefit plans [abstract]"
       }
      }
     },
     "localname": "DisclosureOfDefinedBenefitPlansAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory": {
     "auth_ref": [
      "r105"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [text block]",
        "terseLabel": "Details Information About Intangible Assets"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": {
     "auth_ref": [
      "r57"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [text block]",
        "terseLabel": "Details of Property, Plant and Equipment"
       }
      }
     },
     "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of discontinued operations. [Refer: Discontinued operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of discontinued operations [text block]",
        "terseLabel": "Discontinued operations"
       }
      }
     },
     "localname": "DisclosureOfDiscontinuedOperationsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperations"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfEarningsPerShareExplanatory": {
     "auth_ref": [
      "r89"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for earnings per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of earnings per share [text block]",
        "terseLabel": "Earnings per share"
       }
      }
     },
     "localname": "DisclosureOfEarningsPerShareExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory": {
     "auth_ref": [
      "r47"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for events after the reporting period."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of events after reporting period [text block]",
        "terseLabel": "Subsequent events"
       }
      }
     },
     "localname": "DisclosureOfEventsAfterReportingPeriodExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/SubsequentEvents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfExpensesByNatureExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of expenses by nature. [Refer: Expenses, by nature]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of expenses by nature [text block]",
        "terseLabel": "Details of Operating Expenses by Nature"
       }
      }
     },
     "localname": "DisclosureOfExpensesByNatureExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndReclassificationExplanatory": {
     "auth_ref": [
      "r245"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of information about the extent of possible differences between the carrying amount and fair value of: (a) investments in equity instruments that do not have a quoted market price in an active market (or derivatives linked to such equity instruments) that are measured at cost because their fair value cannot be measured reliably; and (b) contracts containing a discretionary participation feature if the fair value of that feature cannot be measured reliably."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of information about possible differences between carrying amount and fair value of contracts described in IFRS 7.29 b and IFRS 7.29 c [text block]",
        "terseLabel": "Financial assets and liabilities"
       }
      }
     },
     "localname": "DisclosureOfFairValueOfFinancialAssetsAndFinancialLiabilitiesAndReclassificationExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of finance income (cost). [Refer: Finance income (cost)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of finance income (cost) [text block]",
        "terseLabel": "Details of Financial Income and Expenses"
       }
      }
     },
     "localname": "DisclosureOfFinanceIncomeExpenseExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFinancialAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial assets [abstract]",
        "terseLabel": "Disclosure of financial assets [abstract]"
       }
      }
     },
     "localname": "DisclosureOfFinancialAssetsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [abstract]"
       }
      }
     },
     "localname": "DisclosureOfFinancialInstrumentsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsExplanatory": {
     "auth_ref": [
      "r226"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for financial instruments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of financial instruments [text block]",
        "terseLabel": "Current financial assets and Cash and cash equivalents"
       }
      }
     },
     "localname": "DisclosureOfFinancialInstrumentsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial liabilities [abstract]"
       }
      }
     },
     "localname": "DisclosureOfFinancialLiabilitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory": {
     "auth_ref": [
      "r217"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of financial liabilities. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of financial liabilities [text block]",
        "terseLabel": "Detail of financial liabilities"
       }
      }
     },
     "localname": "DisclosureOfFinancialLiabilitiesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of financial liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfFinancialLiabilitiesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesTable": {
     "auth_ref": [
      "r217"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to financial liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of financial liabilities [table]"
       }
      }
     },
     "localname": "DisclosureOfFinancialLiabilitiesTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfSensitivityOfTheFairValueToTheExpectedVolatilityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfGovernmentGrantsExplanatory": {
     "auth_ref": [
      "r68"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for government grants."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of government grants [text block]",
        "terseLabel": "Disclosure of Subsidies Receivables"
       }
      }
     },
     "localname": "DisclosureOfGovernmentGrantsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of impairment loss and reversal of impairment loss [abstract]"
       }
      }
     },
     "localname": "DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfImpairmentOfAssetsExplanatory": {
     "auth_ref": [
      "r95"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for the impairment of assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of impairment of assets [text block]",
        "terseLabel": "Impairment tests"
       }
      }
     },
     "localname": "DisclosureOfImpairmentOfAssetsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ImpairmentTests"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfIntangibleAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [abstract]"
       }
      }
     },
     "localname": "DisclosureOfIntangibleAssetsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfIntangibleAssetsExplanatory": {
     "auth_ref": [
      "r107"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for intangible assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of intangible assets [text block]",
        "terseLabel": "Intangible assets"
       }
      }
     },
     "localname": "DisclosureOfIntangibleAssetsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfIntangibleAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [line items]",
        "terseLabel": "Disclosure of detailed information about intangible assets [line items]"
       }
      }
     },
     "localname": "DisclosureOfIntangibleAssetsLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfIntangibleAssetsTable": {
     "auth_ref": [
      "r105"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of intangible assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [table]",
        "terseLabel": "Disclosure of detailed information about intangible assets [table]"
       }
      }
     },
     "localname": "DisclosureOfIntangibleAssetsTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfInventoriesExplanatory": {
     "auth_ref": [
      "r67"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for inventories."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of inventories [text block]",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "DisclosureOfInventoriesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/Inventories"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfIssuedCapitalExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of issued capital. [Refer: Issued capital]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of issued capital [text block]",
        "terseLabel": "Schedule of Share Warrants and Non-employee Warrants"
       }
      }
     },
     "localname": "DisclosureOfIssuedCapitalExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of net defined benefit liability (asset) [abstract]"
       }
      }
     },
     "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory": {
     "auth_ref": [
      "r60"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of net defined benefit liability (asset) [text block]",
        "terseLabel": "Summary of Net Defined Benefit Liability and Components"
       }
      }
     },
     "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of non-controlling interests. [Refer: Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of non-controlling interests [text block]",
        "terseLabel": "Schedule of Information Relating to Subsidiaries that Reported Non-Controlling Interest"
       }
      }
     },
     "localname": "DisclosureOfNoncontrollingInterestsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory": {
     "auth_ref": [
      "r190"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of number and weighted average exercise prices of share options [text block]",
        "terseLabel": "Summary of Information on Stock Option Activity"
       }
      }
     },
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesExplanatory": {
     "auth_ref": [
      "r203"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the offsetting of financial liabilities. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of offsetting of financial liabilities [text block]",
        "terseLabel": "Due dates of the financial liabilities"
       }
      }
     },
     "localname": "DisclosureOfOffsettingOfFinancialLiabilitiesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of offsetting of financial liabilities [line items]",
        "terseLabel": "Disclosure of offsetting of financial liabilities [line items]",
        "verboseLabel": "Disclosure of offsetting of financial liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfOffsettingOfFinancialLiabilitiesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable": {
     "auth_ref": [
      "r203"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the offsetting of financial liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of offsetting of financial liabilities [table]",
        "terseLabel": "Disclosure of offsetting of financial liabilities [table]"
       }
      }
     },
     "localname": "DisclosureOfOffsettingOfFinancialLiabilitiesTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfAssumptionsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [abstract]"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsExplanatory": {
     "auth_ref": [
      "r232"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of operating segments. [Refer: Operating segments [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [text block]",
        "terseLabel": "Summary of Key Performance Indicators by Reportable Segments"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [line items]",
        "terseLabel": "Disclosure of operating segments [line items]"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOperatingSegmentsTable": {
     "auth_ref": [
      "r232"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to operating segments."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [table]",
        "terseLabel": "Disclosure of operating segments [table]"
       }
      }
     },
     "localname": "DisclosureOfOperatingSegmentsTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOtherCurrentAssetsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of other current assets. [Refer: Other current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other current assets [text block]",
        "terseLabel": "Disclosure of Other Current Assets"
       }
      }
     },
     "localname": "DisclosureOfOtherCurrentAssetsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOtherCurrentLiabilitiesExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of other current liabilities. [Refer: Other current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other current liabilities [text block]",
        "terseLabel": "Other current liabilities"
       }
      }
     },
     "localname": "DisclosureOfOtherCurrentLiabilitiesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfOtherProvisionsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [line items]"
       }
      }
     },
     "localname": "DisclosureOfOtherProvisionsLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfOtherProvisionsTable": {
     "auth_ref": [
      "r100"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to other provisions."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of other provisions [table]"
       }
      }
     },
     "localname": "DisclosureOfOtherProvisionsTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [abstract]"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": {
     "auth_ref": [
      "r58"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for property, plant and equipment."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of property, plant and equipment [text block]",
        "terseLabel": "Property, plant and equipment"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipment"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [line items]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [line items]"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": {
     "auth_ref": [
      "r57"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of property, plant and equipment."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [table]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [table]"
       }
      }
     },
     "localname": "DisclosureOfPropertyPlantAndEquipmentTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfProvisionsExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of provisions. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of provisions [text block]",
        "terseLabel": "Provisions"
       }
      }
     },
     "localname": "DisclosureOfProvisionsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/Provisions"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [text block]",
        "terseLabel": "Right-of-use\u00a0assets"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [line items]"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to right-of-use assets."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [table]"
       }
      }
     },
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfRelatedPartyExplanatory": {
     "auth_ref": [
      "r74"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for related parties."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of related party [text block]",
        "terseLabel": "Related parties"
       }
      }
     },
     "localname": "DisclosureOfRelatedPartyExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedParties"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfRevenueExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for revenue."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of revenue [text block]",
        "terseLabel": "Revenues By Country of Origin and Other Income"
       }
      }
     },
     "localname": "DisclosureOfRevenueExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesExplanatory": {
     "auth_ref": [
      "r160"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of the sensitivity analysis of the fair value measurement of liabilities to changes in unobservable inputs."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities [text block]",
        "terseLabel": "Schedule of Fair Value Through Profit and Loss"
       }
      }
     },
     "localname": "DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsLiabilitiesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": {
     "auth_ref": [
      "r30"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for share capital, reserves and other equity interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of share capital, reserves and other equity interest [text block]",
        "terseLabel": "Share capital and premium related to the share capitals"
       }
      }
     },
     "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitals"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory": {
     "auth_ref": [
      "r182"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The entire disclosure for share-based payment arrangements."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of share-based payment arrangements [text block]",
        "terseLabel": "Non-cash stock-based compensation"
       }
      }
     },
     "localname": "DisclosureOfSharebasedPaymentArrangementsExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensation1"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [abstract]"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [line items]"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable": {
     "auth_ref": [
      "r80",
      "r83",
      "r153"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to subsidiaries."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [table]"
       }
      }
     },
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory": {
     "auth_ref": [
      "r157"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of significant inputs for which market data are not available and that are developed using the best information available about the assumptions that market participants would use when measuring the fair value of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of liabilities [text block]",
        "terseLabel": "Summary of main inputs for the valuation"
       }
      }
     },
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]"
       }
      }
     },
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable": {
     "auth_ref": [
      "r157"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to significant unobservable inputs used in the fair value measurement of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of liabilities [table]"
       }
      }
     },
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [abstract]"
       }
      }
     },
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [line items]",
        "terseLabel": "Disclosure of terms and conditions of share-based payment arrangement [line items]"
       }
      }
     },
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to terms and conditions of share-based payment arrangements."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [table]",
        "terseLabel": "Disclosure of terms and conditions of share-based payment arrangement [table]"
       }
      }
     },
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of trade and other receivables. [Refer: Trade and other receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of trade and other receivables [text block]",
        "terseLabel": "Disclosure of Trade Receivables"
       }
      }
     },
     "localname": "DisclosureOfTradeAndOtherReceivablesExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [abstract]"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [line items]",
        "terseLabel": "Disclosure of transactions between related parties [line items]"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesLineItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable": {
     "auth_ref": [
      "r73"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to transactions between related parties."
       }
      },
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [table]",
        "terseLabel": "Disclosure of transactions between related parties [table]"
       }
      }
     },
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesTable",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_DiscontinuedOperationsMember": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of an entity that either has been disposed of or is classified as held for sale, and that: (a) represents a separate major line of business or geographical area of operations; (b) is part of a single co-ordinated plan to dispose of a separate major line of business or geographical area of operations; or (c) is a subsidiary acquired exclusively with a view to resale. A component of an entity comprises operations and cash flows that can be clearly distinguished, operationally and for financial reporting purposes, from the rest of the entity. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Discontinued operations [member]"
       }
      }
     },
     "localname": "DiscontinuedOperationsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesTables"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_DisposalsIntangibleAssetsAndGoodwill": {
     "auth_ref": [
      "r329"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease in intangible assets and goodwill resulting from disposals. [Refer: Intangible assets and goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Disposals, intangible assets and goodwill",
        "negatedLabel": "Disposal of intangible assets"
       }
      }
     },
     "localname": "DisposalsIntangibleAssetsAndGoodwill",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [abstract]",
        "verboseLabel": "Basic / Diluted net income (loss) per share attributable to shareholders of Cellectis"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_EarningsPerShareExplanatory": {
     "auth_ref": [
      "r84"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The disclosure of earnings per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Earnings per share [text block]",
        "terseLabel": "Earnings per share"
       }
      }
     },
     "localname": "EarningsPerShareExplanatory",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": {
     "auth_ref": [
      "r116",
      "r117"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Effect of exchange rate changes on cash and cash equivalents",
        "terseLabel": "Effect of exchange rate changes on cash"
       }
      }
     },
     "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EliminationOfIntersegmentAmountsMember": {
     "auth_ref": [
      "r296",
      "r297"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the elimination of intersegment amounts in the reconciliations of total segment amounts to amounts recognised in the entity's financial statements."
       }
      },
      "en-us": {
       "role": {
        "label": "Elimination of intersegment amounts [member]",
        "terseLabel": "Inter-segment Revenues [member]"
       }
      }
     },
     "localname": "EliminationOfIntersegmentAmountsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EmployeeBenefitsExpense": {
     "auth_ref": [
      "r1",
      "r45",
      "r246"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment."
       }
      },
      "en-us": {
       "role": {
        "label": "Employee benefits expense",
        "negatedLabel": "Employee benefits expense",
        "negatedTotalLabel": "Personnel expenses",
        "terseLabel": "Compensation expense",
        "totalLabel": "Total employee benefits expense",
        "verboseLabel": "Share-based compensation expense"
       }
      }
     },
     "localname": "EmployeeBenefitsExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EntitysTotalForAssociatesMember": {
     "auth_ref": [
      "r80",
      "r83",
      "r154"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Associates' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for associates [member]"
       }
      }
     },
     "localname": "EntitysTotalForAssociatesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForRelatedPartiesMember": {
     "auth_ref": [
      "r73"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for related parties [member]",
        "terseLabel": "Entity's total for related parties [member]"
       }
      }
     },
     "localname": "EntitysTotalForRelatedPartiesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForSegmentConsolidationItemsMember": {
     "auth_ref": [
      "r238"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Segment consolidation items' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for segment consolidation items [member]",
        "terseLabel": "Entity's total for segment consolidation items [member]"
       }
      }
     },
     "localname": "EntitysTotalForSegmentConsolidationItemsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EntitysTotalForSubsidiariesMember": {
     "auth_ref": [
      "r80",
      "r83",
      "r153"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Subsidiaries' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Entity's total for subsidiaries [member]",
        "terseLabel": "Entity's total for subsidiaries [member]"
       }
      }
     },
     "localname": "EntitysTotalForSubsidiariesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Equity": {
     "auth_ref": [
      "r19",
      "r26",
      "r127",
      "r129",
      "r155",
      "r156",
      "r159"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity",
        "periodEndLabel": "Balance at end of year",
        "periodStartLabel": "Beginning balance",
        "totalLabel": "Total shareholders' equity"
       }
      }
     },
     "localname": "Equity",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [abstract]",
        "terseLabel": "Shareholders' equity"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_EquityAndLiabilities": {
     "auth_ref": [
      "r19"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Equity and liabilities",
        "totalLabel": "TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY"
       }
      }
     },
     "localname": "EquityAndLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EquityAttributableToOwnersOfParent": {
     "auth_ref": [
      "r18"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity attributable to owners of parent",
        "terseLabel": "Equity value",
        "totalLabel": "Total shareholders' equity - Group Share"
       }
      }
     },
     "localname": "EquityAttributableToOwnersOfParent",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_EquityAttributableToOwnersOfParentMember": {
     "auth_ref": [
      "r7"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for equity attributable to the owners of the parent."
       }
      },
      "en-us": {
       "role": {
        "label": "Equity attributable to owners of parent [member]",
        "terseLabel": "Attributable to Shareholders of Cellectis [member]"
       }
      }
     },
     "localname": "EquityAttributableToOwnersOfParentMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_EquityMember": {
     "auth_ref": [
      "r7"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the residual interest in the assets of the entity after deducting all its liabilities. It also represents the standard value for the 'Components of equity' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "axisDefault": "Equity [member]",
        "label": "Equity [member]",
        "terseLabel": "Income (Loss) [member]"
       }
      }
     },
     "localname": "EquityMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ExercisePriceShareOptionsGranted2019": {
     "auth_ref": [
      "r193"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The exercise price of share options granted."
       }
      },
      "en-us": {
       "role": {
        "label": "Exercise price, share options granted",
        "terseLabel": "Exercise price"
       }
      }
     },
     "localname": "ExercisePriceShareOptionsGranted2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_ExpenseByNatureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses by nature [abstract]"
       }
      }
     },
     "localname": "ExpenseByNatureAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_EmployeeBenefitsExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Expense from share-based payment transactions with employees",
        "negatedLabel": "Non-cash stock based compensation expense",
        "terseLabel": "Share based payment expense"
       }
      }
     },
     "localname": "ExpenseFromSharebasedPaymentTransactionsWithEmployees",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinanceCosts": {
     "auth_ref": [
      "r39"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 0.0,
       "parentTag": "ifrs-full_FinanceIncomeCost",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of costs associated with financing activities of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Finance costs",
        "negatedLabel": "Financial expenses",
        "negatedTotalLabel": "Total financial expenses"
       }
      }
     },
     "localname": "FinanceCosts",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinanceIncome": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 1.0,
       "parentTag": "ifrs-full_FinanceIncomeCost",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income associated with interest and other financing activities of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Finance income",
        "terseLabel": "Financial income",
        "totalLabel": "Total financial revenues"
       }
      }
     },
     "localname": "FinanceIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinanceIncomeCost": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossFromDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossFromDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossFromContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income or cost associated with interest and other financing activities of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Finance income (cost)",
        "terseLabel": "Net financial gain (loss)",
        "totalLabel": "Net Financial gain (loss)",
        "verboseLabel": "Net Financial gain (loss)"
       }
      }
     },
     "localname": "FinanceIncomeCost",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssets": {
     "auth_ref": [
      "r206",
      "r208",
      "r209",
      "r212",
      "r285"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose the entity\u2019s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets",
        "periodEndLabel": "Financial assets at end of period",
        "periodStartLabel": "Financial assets at beginning of period",
        "terseLabel": "Book value on the statement of financial position",
        "totalLabel": "Total financial assets"
       }
      }
     },
     "localname": "FinancialAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssetsAtAmortisedCost": {
     "auth_ref": [
      "r220"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets at amortised cost",
        "terseLabel": "Accounting category amortized cost"
       }
      }
     },
     "localname": "FinancialAssetsAtAmortisedCost",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssetsAtFairValue": {
     "auth_ref": [
      "r206"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The fair value of financial assets. [Refer: At fair value [member]; Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets, at fair value",
        "terseLabel": "Fair value"
       }
      }
     },
     "localname": "FinancialAssetsAtFairValue",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss": {
     "auth_ref": [
      "r218"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through profit or loss",
        "terseLabel": "Accounting category fair value through profit and loss",
        "totalLabel": "Total financial assets at fair value through profit or loss"
       }
      }
     },
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialAssetsCategoryMember": {
     "auth_ref": [
      "r222"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated categories of financial assets. It also represents the standard value for the 'Categories of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets, category [member]"
       }
      }
     },
     "localname": "FinancialAssetsCategoryMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialAssetsMember": {
     "auth_ref": [
      "r181",
      "r215",
      "r216",
      "r243",
      "r244"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial assets. It also represents the standard value for the 'Classes of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial assets, class [member]",
        "terseLabel": "Financial assets, class [member]"
       }
      }
     },
     "localname": "FinancialAssetsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialLiabilities": {
     "auth_ref": [
      "r206"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity\u2019s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity\u2019s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities",
        "terseLabel": "Book value on the statement of financial position",
        "totalLabel": "Total financial liabilities"
       }
      }
     },
     "localname": "FinancialLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialLiabilitiesAtAmortisedCost": {
     "auth_ref": [
      "r221"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities at amortised cost. The amortised cost is the amount at which financial liabilities are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities at amortised cost",
        "terseLabel": "Accounting category amortized cost"
       }
      }
     },
     "localname": "FinancialLiabilitiesAtAmortisedCost",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialLiabilitiesAtAmortisedCostMember": {
     "auth_ref": [
      "r223"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the financial liabilities measured at amortised cost class. [Refer: Financial liabilities at amortised cost]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities at amortised cost, class [member]"
       }
      }
     },
     "localname": "FinancialLiabilitiesAtAmortisedCostMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialLiabilitiesAtFairValue": {
     "auth_ref": [
      "r206"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Fair value in $ thousands",
        "terseLabel": "Fair value",
        "totalLabel": "Total Financial liabilities",
        "verboseLabel": "Fair value of loan"
       }
      }
     },
     "localname": "FinancialLiabilitiesAtFairValue",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfResultsOfWarrantsValuationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss": {
     "auth_ref": [
      "r219"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities that meet either of the following conditions: (a) they meet the definition of held for trading; or (b) upon initial recognition they are designated by the entity as at fair value through profit or loss. An entity may use this designation only when permitted by paragraph 4.3.5 of IFRS 9 (embedded derivatives) or when doing so results in more relevant information, because either: (a) it eliminates or significantly reduces a measurement or recognition inconsistency (sometimes referred to as \u2018an accounting mismatch\u2019) that would otherwise arise from measuring assets or liabilities or recognising the gains and losses on them on different bases; or (b) a group of financial liabilities or financial assets and financial liabilities is managed and its performance is evaluated on a fair value basis, in accordance with a documented risk management or investment strategy, and information about the group is provided internally on that basis to the entity\u2019s key management personnel (as defined in IAS 24). [Refer: At fair value [member]; Key management personnel of entity or parent [member]; Derivatives [member]; Financial assets; Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities at fair value through profit or loss",
        "terseLabel": "Accounting category fair value through profit and loss",
        "totalLabel": "Total financial liabilities at fair value through profit or loss"
       }
      }
     },
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_FinancialLiabilitiesCategoryMember": {
     "auth_ref": [
      "r222"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated categories of financial liabilities. It also represents the standard value for the 'Categories of financial liabilities' axis if no other member is used. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities, category [member]"
       }
      }
     },
     "localname": "FinancialLiabilitiesCategoryMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialLiabilitiesMember": {
     "auth_ref": [
      "r215",
      "r216",
      "r243",
      "r244"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes financial liabilities. It also represents the standard value for the 'Classes of financial liabilities' axis if no other member is used. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities, class [member]",
        "terseLabel": "Financial liabilities, class [member]"
       }
      }
     },
     "localname": "FinancialLiabilitiesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsTables",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FinancialLiabilitiesTypeMember": {
     "auth_ref": [
      "r224",
      "r225"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated types of financial liabilities. It also represents the standard value for the 'Types of financial liabilities' axis if no other member is used. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Financial liabilities, type [member]"
       }
      }
     },
     "localname": "FinancialLiabilitiesTypeMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_FixturesAndFittingsMember": {
     "auth_ref": [
      "r254"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing fixtures and fittings that are not permanently attached to real property. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Fixtures and fittings [member]",
        "terseLabel": "Fixtures, Fittings and Other Equipment [member]"
       }
      }
     },
     "localname": "FixturesAndFittingsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss": {
     "auth_ref": [
      "r204"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]"
       }
      },
      "en-us": {
       "role": {
        "label": "Gains (losses) on financial assets at fair value through profit or loss",
        "terseLabel": "Net profit or loss in fair value of assets",
        "totalLabel": "Total gains (losses) on financial assets at fair value through profit or loss"
       }
      }
     },
     "localname": "GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_GeographicalAreasAxis": {
     "auth_ref": [
      "r241",
      "r256",
      "r278",
      "r281"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Geographical areas [axis]",
        "terseLabel": "Geographical areas [axis]"
       }
      }
     },
     "localname": "GeographicalAreasAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_GeographicalAreasMember": {
     "auth_ref": [
      "r241",
      "r256",
      "r278",
      "r281"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregated geographical areas. It also represents the standard value for the 'Geographical areas' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Geographical areas [member]",
        "terseLabel": "Geographical areas [member]"
       }
      }
     },
     "localname": "GeographicalAreasMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeParentheticalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember": {
     "auth_ref": [
      "r273"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the historical volatility for shares used as a measurement input."
       }
      },
      "en-us": {
       "role": {
        "label": "Stock volatility",
        "terseLabel": "Stock volatility"
       }
      }
     },
     "localname": "HistoricalVolatilityForSharesMeasurementInputMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ImpairmentLoss": {
     "auth_ref": [
      "r91",
      "r92"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Impairment loss",
        "terseLabel": "Impairment of assets"
       }
      }
     },
     "localname": "ImpairmentLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ImpairmentTestsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit or loss [abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_IncomeTaxExpenseContinuingOperations": {
     "auth_ref": [
      "r40",
      "r48",
      "r49",
      "r50",
      "r76",
      "r152",
      "r231"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 2.0,
       "parentTag": "ifrs-full_ProfitLossFromContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Income tax",
        "negatedLabel": "Income tax",
        "terseLabel": "Effective tax expense"
       }
      }
     },
     "localname": "IncomeTaxExpenseContinuingOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents": {
     "auth_ref": [
      "r121"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in cash and cash equivalents after the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in cash and cash equivalents",
        "netLabel": "Net increase (decrease) in cash and cash equivalents after effect of exchange rate changes",
        "totalLabel": "(Decrease) increase in cash and cash equivalents"
       }
      }
     },
     "localname": "IncreaseDecreaseInCashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations": {
     "auth_ref": [
      "r341"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in cash and cash equivalents from discontinued operations. [Refer: Cash and cash equivalents; Discontinued operations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in cash and cash equivalents, discontinued operations",
        "totalLabel": "(Decrease) increase in cash and cash equivalents"
       }
      }
     },
     "localname": "IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfCashFlowStatementOfDiscontinuedOperationsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInExistingProvisionsOtherProvisions": {
     "auth_ref": [
      "r97"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase in existing other provisions. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase in existing provisions, other provisions",
        "terseLabel": "Commercial litigation, Additions"
       }
      }
     },
     "localname": "IncreaseDecreaseInExistingProvisionsOtherProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued": {
     "auth_ref": [
      "r312"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the number of ordinary shares issued. [Refer: Ordinary shares [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in number of ordinary shares issued",
        "terseLabel": "Capital increase by issuance of common shares"
       }
      }
     },
     "localname": "IncreaseDecreaseInNumberOfOrdinarySharesIssued",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_IncreaseDecreaseInWorkingCapital": {
     "auth_ref": [
      "r337"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 0.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivitiesContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in working capital."
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) in working capital",
        "negatedTotalLabel": "Change in working capital"
       }
      }
     },
     "localname": "IncreaseDecreaseInWorkingCapital",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries": {
     "auth_ref": [
      "r310"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the entity's equity resulting from the change in the equity of subsidiaries. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through change in equity of subsidiaries, equity",
        "terseLabel": "Transaction with subsidiaries"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughChangeInEquityOfSubsidiaries",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughExerciseOfOptions": {
     "auth_ref": [
      "r310"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the exercise of options."
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through exercise of options, equity",
        "terseLabel": "Exercise of stock options Calyxt ,Values"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughExerciseOfOptions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill": {
     "auth_ref": [
      "r330"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in intangible assets and goodwill resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets and goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, intangible assets and goodwill",
        "terseLabel": "Translation adjustments"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment": {
     "auth_ref": [
      "r55"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, property, plant and equipment",
        "terseLabel": "Translation adjustments"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughTransactionsWithOwners": {
     "auth_ref": [
      "r310"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from transactions with owners."
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through transactions with owners, equity",
        "terseLabel": "Capital Increase"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTransactionsWithOwners",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity": {
     "auth_ref": [
      "r6"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Equity]"
       }
      },
      "en-us": {
       "role": {
        "label": "Increase (decrease) through other changes, equity",
        "terseLabel": "Other movements"
       }
      }
     },
     "localname": "IncreaseDecreaseThroughTransfersAndOtherChangesEquity",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IntangibleAssetsAndGoodwill": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 5.0,
       "parentTag": "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Intangible assets and goodwill",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "terseLabel": "Intangible assets",
        "totalLabel": "Total intangible assets and goodwill"
       }
      }
     },
     "localname": "IntangibleAssetsAndGoodwill",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IntangibleAssetsAndGoodwillMember": {
     "auth_ref": [
      "r331"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for intangible assets and goodwill. It also represents the standard value for the 'Classes of intangible assets and goodwill' axis if no other member is used. [Refer: Goodwill; Intangible assets other than goodwill]"
       }
      },
      "en-us": {
       "role": {
        "label": "Intangible assets and goodwill [member]",
        "terseLabel": "Intangible assets and goodwill [member]"
       }
      }
     },
     "localname": "IntangibleAssetsAndGoodwillMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsDetailsInformationAboutIntangibleAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_InterestExpense": {
     "auth_ref": [
      "r151",
      "r229",
      "r237"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Interest expense",
        "negatedLabel": "Interest expenses"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset": {
     "auth_ref": [
      "r62"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest expense (income), net defined benefit liability (asset)",
        "negatedLabel": "Interest cost"
       }
      }
     },
     "localname": "InterestExpenseIncomeNetDefinedBenefitLiabilityAsset",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfNetDefinedBenefitLiabilityAndComponentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestExpenseOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest expense on financial liabilities designated at fair value through profit or loss. [Refer: Interest expense; Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest expense on financial liabilities designated at fair value through profit or loss",
        "negatedLabel": "Interest on financial liabilities",
        "terseLabel": "Interest on financial liabilities"
       }
      }
     },
     "localname": "InterestExpenseOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestExpenseOnLeaseLiabilities": {
     "auth_ref": [
      "r169"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest expense on lease liabilities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest expense on lease liabilities",
        "negatedLabel": "Interest on lease liabilities"
       }
      }
     },
     "localname": "InterestExpenseOnLeaseLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestIncomeOnCashAndCashEquivalents": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of interest income on cash and cash equivalents. [Refer: Interest income; Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest income on cash and cash equivalents",
        "terseLabel": "Income from cash, cash equivalents and financial assets"
       }
      }
     },
     "localname": "InterestIncomeOnCashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestPaidClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r118"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 4.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for interest paid, classified as financing activities."
       }
      },
      "en-us": {
       "role": {
        "label": "Interest paid, classified as financing activities",
        "negatedLabel": "Interest paid on financial debt",
        "negatedTerseLabel": "Interest paid"
       }
      }
     },
     "localname": "InterestPaidClassifiedAsFinancingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_InterestRateMeasurementInputMember": {
     "auth_ref": [
      "r272"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for an interest rate used as a measurement input."
       }
      },
      "en-us": {
       "role": {
        "label": "Risk free rate",
        "verboseLabel": "Risk free rate"
       }
      }
     },
     "localname": "InterestRateMeasurementInputMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_InterestRateTypesMember": {
     "auth_ref": [
      "r342"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all types of interest rates. It also represents the standard value for the 'Types of interest rates' axis if no other member is used. [Refer: Interest rate risk [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Interest rate types [member]"
       }
      }
     },
     "localname": "InterestRateTypesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_Inventories": {
     "auth_ref": [
      "r11",
      "r66",
      "r249"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current inventories. [Refer: Inventories]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current inventories",
        "terseLabel": "Inventories",
        "totalLabel": "Total current inventories"
       }
      }
     },
     "localname": "Inventories",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_IssuedCapital": {
     "auth_ref": [
      "r252"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The nominal value of capital issued."
       }
      },
      "en-us": {
       "role": {
        "label": "Issued capital",
        "totalLabel": "Total issued capital",
        "verboseLabel": "Share capital"
       }
      }
     },
     "localname": "IssuedCapital",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelCompensation": {
     "auth_ref": [
      "r71"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel compensation",
        "terseLabel": "Compensation paid for consultancy services"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensation",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": {
     "auth_ref": [
      "r70"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, short-term employee benefits",
        "terseLabel": "Key management personnel compensation, short-term employee benefits"
       }
      }
     },
     "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_KeyManagementPersonnelOfEntityOrParentMember": {
     "auth_ref": [
      "r72"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for those persons having authority and responsibility for planning, directing and controlling the activities of the entity, directly or indirectly, including any director (whether executive or otherwise) of that entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Key management personnel of entity or parent [member]",
        "terseLabel": "Mr. Godard [member]"
       }
      }
     },
     "localname": "KeyManagementPersonnelOfEntityOrParentMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LandAndBuildingsMember": {
     "auth_ref": [
      "r253"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing land and depreciable buildings and similar structures for use in operations. [Refer: Buildings; Land; Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Land and buildings [member]",
        "terseLabel": "Land and Buildings [member]"
       }
      }
     },
     "localname": "LandAndBuildingsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanFiveYearsMember": {
     "auth_ref": [
      "r173",
      "r175",
      "r180",
      "r287",
      "r290",
      "r293"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than five years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than five years [member]",
        "terseLabel": "More than Five Years [member]"
       }
      }
     },
     "localname": "LaterThanFiveYearsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember": {
     "auth_ref": [
      "r286",
      "r293"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than five years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than one year and not later than five years [member]",
        "terseLabel": "One to Five Years [member]"
       }
      }
     },
     "localname": "LaterThanOneYearAndNotLaterThanFiveYearsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember": {
     "auth_ref": [
      "r287",
      "r288",
      "r293"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than three years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than one year and not later than three years [member]",
        "terseLabel": "1-3 years [member]"
       }
      }
     },
     "localname": "LaterThanOneYearAndNotLaterThanThreeYearsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember": {
     "auth_ref": [
      "r287",
      "r289",
      "r293"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than three years and not later than five years."
       }
      },
      "en-us": {
       "role": {
        "label": "Later than three years and not later than five years [member]",
        "terseLabel": "3-5 years [member]"
       }
      }
     },
     "localname": "LaterThanThreeYearsAndNotLaterThanFiveYearsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LeaseLiabilities": {
     "auth_ref": [
      "r167"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "clls_FinancialLiabilitiesExcludingTradesPayableAndOtherCurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration."
       }
      },
      "en-us": {
       "role": {
        "label": "Lease liabilities",
        "totalLabel": "Total lease liabilities"
       }
      }
     },
     "localname": "LeaseLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LeaseholdImprovementsMember": {
     "auth_ref": [
      "r322"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing improvements to assets held under a lease agreement."
       }
      },
      "en-us": {
       "role": {
        "label": "Leasehold improvements [member]",
        "terseLabel": "Leasehold Improvements [member]"
       }
      }
     },
     "localname": "LeaseholdImprovementsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_LiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities [abstract]",
        "terseLabel": "LIABILITIES"
       }
      }
     },
     "localname": "LiabilitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale": {
     "auth_ref": [
      "r16",
      "r201"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": 0.0,
       "parentTag": "clls_NetAssetsLiabilitiesAndEquityDerecognized",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_NetAssetsLiabilities",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 3.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities included in disposal groups classified as held for sale. [Refer: Liabilities; Disposal groups classified as held for sale [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Liabilities included in disposal groups classified as held for sale",
        "terseLabel": "Total liabilities related to asset held for sale",
        "totalLabel": "Total liabilities related to asset held for sale",
        "verboseLabel": "Liabilities related to asset held for sale"
       }
      }
     },
     "localname": "LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LiabilityAssetOfDefinedBenefitPlans": {
     "auth_ref": [
      "r60"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Net defined benefit liability (asset)",
        "negatedPeriodEndLabel": "Ending balance",
        "negatedPeriodStartLabel": "Beginning balance",
        "periodEndLabel": "Net defined benefit liability (asset) at end of period",
        "periodStartLabel": "Net defined benefit liability (asset) at beginning of period",
        "terseLabel": "Defined benefit plan"
       }
      }
     },
     "localname": "LiabilityAssetOfDefinedBenefitPlans",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfNetDefinedBenefitLiabilityAndComponentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LicenceFeeIncome": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income arising from licence fees."
       }
      },
      "en-us": {
       "role": {
        "label": "Licence fee income",
        "terseLabel": "Licenses"
       }
      }
     },
     "localname": "LicenceFeeIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_LongtermDeposits": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_NoncurrentFinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of long-term deposits held by the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Long-term deposits",
        "terseLabel": "Deposit"
       }
      }
     },
     "localname": "LongtermDeposits",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Major components of tax expense (income) [abstract]"
       }
      }
     },
     "localname": "MajorComponentsOfTaxExpenseIncomeAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_MaturityAxis": {
     "auth_ref": [
      "r21",
      "r165",
      "r173",
      "r175",
      "r176",
      "r177",
      "r179",
      "r180",
      "r205",
      "r214",
      "r258",
      "r287"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Maturity [axis]",
        "terseLabel": "Maturity [axis]"
       }
      }
     },
     "localname": "MaturityAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_MeasurementAxis": {
     "auth_ref": [
      "r108",
      "r112",
      "r155"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Measurement [axis]"
       }
      }
     },
     "localname": "MeasurementAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_MiscellaneousCurrentLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Miscellaneous current liabilities [abstract]"
       }
      }
     },
     "localname": "MiscellaneousCurrentLiabilitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NameOfAssociate": {
     "auth_ref": [
      "r78",
      "r81",
      "r136"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The name of an associate. [Refer: Associates [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Name of associate"
       }
      }
     },
     "localname": "NameOfAssociate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NetAssetsLiabilities": {
     "auth_ref": [
      "r269",
      "r312"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets less the amount of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Assets (liabilities)",
        "netLabel": "Net assets (liabilities)",
        "terseLabel": "Net assets held for sale",
        "totalLabel": "Net assets held for sale"
       }
      }
     },
     "localname": "NetAssetsLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NetForeignExchangeGain": {
     "auth_ref": [
      "r315",
      "r328"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The net gain arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Net foreign exchange gain",
        "terseLabel": "Foreign exchange gain",
        "verboseLabel": "Net foreign exchange gain"
       }
      }
     },
     "localname": "NetForeignExchangeGain",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NetForeignExchangeLoss": {
     "auth_ref": [
      "r315",
      "r328"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The net loss arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Net foreign exchange loss",
        "negatedLabel": "Foreign exchange loss",
        "terseLabel": "Net foreign exchange loss"
       }
      }
     },
     "localname": "NetForeignExchangeLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NewIFRSsAxis": {
     "auth_ref": [
      "r125"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "New IFRSs [axis]"
       }
      }
     },
     "localname": "NewIFRSsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NewIFRSsMember": {
     "auth_ref": [
      "r125"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for IFRSs that have been issued but are not yet effective. It also represents the standard value for the 'New IFRSs' axis if no other member is used. [Refer: IFRSs [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "New IFRSs [member]"
       }
      }
     },
     "localname": "NewIFRSsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": {
     "auth_ref": [
      "r46"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [axis]",
        "terseLabel": "Non-adjusting events after reporting period [axis]"
       }
      }
     },
     "localname": "NonadjustingEventsAfterReportingPeriodAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NonadjustingEventsMember": {
     "auth_ref": [
      "r46"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [member]",
        "terseLabel": "Non-adjusting events after reporting period [member]"
       }
      }
     },
     "localname": "NonadjustingEventsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NoncontrollingInterests": {
     "auth_ref": [
      "r17",
      "r131",
      "r134"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": 1.0,
       "parentTag": "clls_NetAssetsLiabilitiesAndEquityDerecognized",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-controlling interests",
        "terseLabel": "Non-controlling interests"
       }
      }
     },
     "localname": "NoncontrollingInterests",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncontrollingInterestsMember": {
     "auth_ref": [
      "r7"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for equity in a subsidiary not attributable, directly or indirectly, to the parent."
       }
      },
      "en-us": {
       "role": {
        "label": "Non-controlling interests [member]",
        "terseLabel": "Non controlling Interests [member]"
       }
      }
     },
     "localname": "NoncontrollingInterestsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NoncurrentAssets": {
     "auth_ref": [
      "r22",
      "r138",
      "r270"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 4.0,
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that do not meet the definition of current assets. [Refer: Current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current assets",
        "terseLabel": "Non-current assets",
        "totalLabel": "Total non-current assets"
       }
      }
     },
     "localname": "NoncurrentAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current assets [abstract]",
        "terseLabel": "Non-current assets"
       }
      }
     },
     "localname": "NoncurrentAssetsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale": {
     "auth_ref": [
      "r201"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": 2.0,
       "parentTag": "clls_NetAssetsLiabilitiesAndEquityDerecognized",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_NetAssetsLiabilities",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current assets or disposal groups classified as held for sale",
        "negatedLabel": "Assets held for sale",
        "terseLabel": "Total assets held for sale",
        "totalLabel": "Total assets held for sale"
       }
      }
     },
     "localname": "NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners": {
     "auth_ref": [
      "r13"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current assets or disposal groups classified as held for sale or as held for distribution to owners. [Refer: Non-current assets or disposal groups classified as held for distribution to owners; Non-current assets or disposal groups classified as held for sale]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current assets or disposal groups classified as held for sale or as held for distribution to owners",
        "totalLabel": "Total assets held for sale"
       }
      }
     },
     "localname": "NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentFinancialAssets": {
     "auth_ref": [
      "r206"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets. [Refer: Financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current financial assets",
        "terseLabel": "Non-current financial assets",
        "totalLabel": "Non current financial assets",
        "verboseLabel": "Non current financial assets"
       }
      }
     },
     "localname": "NoncurrentFinancialAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentFinancialLiabilities": {
     "auth_ref": [
      "r206"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current financial liabilities. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current financial liabilities",
        "terseLabel": "Non-current financial liabilities",
        "totalLabel": "Total non-current financial liabilities",
        "verboseLabel": "Borrowings"
       }
      }
     },
     "localname": "NoncurrentFinancialLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail": {
       "order": 4.0,
       "parentTag": "ifrs-full_NoncurrentFinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Non-current assets; Investments other than investments accounted for using equity method]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current investments other than investments accounted for using equity method",
        "terseLabel": "Investments in non consolidated entities"
       }
      }
     },
     "localname": "NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentLeaseLiabilities": {
     "auth_ref": [
      "r167"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail2": {
       "order": 2.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 5.0,
       "parentTag": "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 5.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 0.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current lease liabilities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current lease liabilities",
        "terseLabel": "Non-current lease debts",
        "verboseLabel": "Lease debts"
       }
      }
     },
     "localname": "NoncurrentLeaseLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentLiabilities": {
     "auth_ref": [
      "r23",
      "r140",
      "r270"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities that do not meet the definition of current liabilities. [Refer: Current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current liabilities",
        "terseLabel": "Non-current liabilities",
        "totalLabel": "Total non-current liabilities"
       }
      }
     },
     "localname": "NoncurrentLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current liabilities [abstract]",
        "terseLabel": "Non-current liabilities"
       }
      }
     },
     "localname": "NoncurrentLiabilitiesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_NoncurrentPortionOfNoncurrentSecuredBankLoansReceived": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail2": {
       "order": 0.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The non-current portion of non-current secured bank loans received. [Refer: Secured bank loans received]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current portion of non-current secured bank loans received",
        "terseLabel": "State Guaranteed loan PGE",
        "verboseLabel": "Non current liability of loan"
       }
      }
     },
     "localname": "NoncurrentPortionOfNoncurrentSecuredBankLoansReceived",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentProvisions": {
     "auth_ref": [
      "r14"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current provisions, including provisions for employee benefits. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current provisions",
        "periodEndLabel": "Non current provisions Ending balance",
        "periodStartLabel": "Non current provisions beginning balance",
        "terseLabel": "Non-current provisions",
        "totalLabel": "Total non-current provisions"
       }
      }
     },
     "localname": "NoncurrentProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentProvisionsForEmployeeBenefits": {
     "auth_ref": [
      "r25"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current provisions for employee benefits. [Refer: Provisions for employee benefits]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current provisions for employee benefits",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance"
       }
      }
     },
     "localname": "NoncurrentProvisionsForEmployeeBenefits",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NoncurrentRestrictedCashAndCashEquivalents": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_NoncurrentFinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current restricted cash and cash equivalents. [Refer: Restricted cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Non-current restricted cash and cash equivalents",
        "terseLabel": "Non current restricted cash"
       }
      }
     },
     "localname": "NoncurrentRestrictedCashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NotLaterThanOneYearMember": {
     "auth_ref": [
      "r20",
      "r173",
      "r175",
      "r180",
      "r287",
      "r293"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a time band of not later than one year."
       }
      },
      "en-us": {
       "role": {
        "label": "Not later than one year [member]",
        "terseLabel": "Less than One Year [member]"
       }
      }
     },
     "localname": "NotLaterThanOneYearMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_NotionalAmount": {
     "auth_ref": [
      "r312"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The nominal or face amount of a financial instrument, used to calculate payments made on that instrument."
       }
      },
      "en-us": {
       "role": {
        "label": "Notional amount"
       }
      }
     },
     "localname": "NotionalAmount",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted": {
     "auth_ref": [
      "r194",
      "r340"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of other equity instruments granted in share-based payment arrangement",
        "terseLabel": "Number of warrants/shares granted",
        "verboseLabel": "Number of performance stock units outstanding, Granted"
       }
      }
     },
     "localname": "NumberOfInstrumentsOtherEquityInstrumentsGranted",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r340"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of other equity instruments forfeited in share-based payment arrangement",
        "terseLabel": "Number of stock units forfeited"
       }
      }
     },
     "localname": "NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfOutstandingShareOptions": {
     "auth_ref": [
      "r184",
      "r188",
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of share options outstanding in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of share options outstanding in share-based payment arrangement",
        "periodEndLabel": "Option outstanding, ending balance",
        "periodStartLabel": "Option outstanding, beginning balance"
       }
      }
     },
     "localname": "NumberOfOutstandingShareOptions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r189"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of share options exercisable in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of share options exercisable in share-based payment arrangement",
        "periodEndLabel": "Option exercisable, ending balance",
        "periodStartLabel": "Option exercisable, beginning balance"
       }
      }
     },
     "localname": "NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r187"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of share options exercised in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Option Outstanding, exercised",
        "negatedLabel": "Option outstanding, exercised/vested",
        "negatedTerseLabel": "Warrants outstanding, exercised",
        "terseLabel": "Shares, Vested",
        "verboseLabel": "Forfeited or Expired"
       }
      }
     },
     "localname": "NumberOfShareOptionsExercisedInSharebasedPaymentArrangement",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r186"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of share options forfeited in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of share options forfeited in share-based payment arrangement",
        "negatedLabel": "Option outstanding, forfeited, cancelled or expired"
       }
      }
     },
     "localname": "NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement": {
     "auth_ref": [
      "r185"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of share options granted in a share-based payment arrangement."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of share options granted in share-based payment arrangement",
        "terseLabel": "Number of equity instruments granted in share-based payment arrangement",
        "verboseLabel": "Option outstanding, granted"
       }
      }
     },
     "localname": "NumberOfShareOptionsGrantedInSharebasedPaymentArrangement",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_NumberOfSharesIssued": {
     "auth_ref": [
      "r310"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of shares issued by the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Number of shares issued",
        "periodEndLabel": "Ending balance, shares",
        "periodStartLabel": "Beginning balance, shares",
        "terseLabel": "Number of shares issued",
        "totalLabel": "Total number of shares issued"
       }
      }
     },
     "localname": "NumberOfSharesIssued",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_NumberOfSharesOutstanding": {
     "auth_ref": [
      "r28"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]"
       }
      },
      "en-us": {
       "role": {
        "label": "Number of shares outstanding",
        "periodEndLabel": "Balance at end, Number of shares",
        "periodStartLabel": "Balance at beginning, Number of shares",
        "terseLabel": "Number of shares outstanding"
       }
      }
     },
     "localname": "NumberOfSharesOutstanding",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_OfficeEquipmentMember": {
     "auth_ref": [
      "r255"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing equipment used to support office functions, not specifically used in the production process. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Office equipment [member]",
        "terseLabel": "Office Equipment [member]",
        "verboseLabel": "Office and laboratory equipment [member]"
       }
      }
     },
     "localname": "OfficeEquipmentMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OperatingExpense": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of all operating expenses."
       }
      },
      "en-us": {
       "role": {
        "label": "Operating expense",
        "negatedLabel": "Operating expenses",
        "negatedTotalLabel": "Total operating expenses"
       }
      }
     },
     "localname": "OperatingExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OperatingSegmentsMember": {
     "auth_ref": [
      "r238"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for operating segments. An operating segment is a component of an entity: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same entity); (b) whose operating results are regularly reviewed by the entity\u2019s chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance; and (c) for which discrete financial information is available. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Operating segments [member]",
        "terseLabel": "Operating Segments [member]"
       }
      }
     },
     "localname": "OperatingSegmentsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OrdinarySharesMember": {
     "auth_ref": [
      "r84",
      "r320"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for equity instruments that are subordinate to all other classes of equity instruments. It also represents the standard value for the 'Classes of ordinary shares' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Ordinary shares [member]",
        "terseLabel": "Share Capital Ordinary Shares [member]"
       }
      }
     },
     "localname": "OrdinarySharesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OtherAdjustmentsForNoncashItems": {
     "auth_ref": [
      "r336"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "Adjustments for non-cash items to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other adjustments for non-cash items",
        "terseLabel": "Other non-cash items"
       }
      }
     },
     "localname": "OtherAdjustmentsForNoncashItems",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherComprehensiveIncome": {
     "auth_ref": [
      "r5",
      "r32",
      "r42",
      "r145"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity": {
       "order": 1.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other comprehensive income",
        "totalLabel": "Total other comprehensive income",
        "verboseLabel": "Other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherComprehensiveIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation": {
     "auth_ref": [
      "r24",
      "r43"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": 0.0,
       "parentTag": "clls_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxFromContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, before tax, after reclassification adjustments, related to exchange differences on translation of financial statements of foreign operations. [Refer: Other comprehensive income, before tax]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other comprehensive income, before tax, exchange differences on translation",
        "terseLabel": "Currency translation adjustment",
        "totalLabel": "Other comprehensive income, before tax, exchange differences on translation of foreign operations"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": {
     "auth_ref": [
      "r24",
      "r43",
      "r323"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": 0.0,
       "parentTag": "clls_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxFromContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, before tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans",
        "terseLabel": "Actuarial gains and losses",
        "totalLabel": "Total other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentAssets": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 5.0,
       "parentTag": "ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current assets",
        "terseLabel": "Other current assets",
        "totalLabel": "Total other current assets"
       }
      }
     },
     "localname": "OtherCurrentAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfOtherCurrentAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentFinancialAssets": {
     "auth_ref": [
      "r10"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets; Current financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current financial assets",
        "terseLabel": "Other current financial assets"
       }
      }
     },
     "localname": "OtherCurrentFinancialAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentFinancialLiabilities": {
     "auth_ref": [
      "r15",
      "r147"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "clls_TotalCurrentFinancialLiabilitiesIncludingCurrentLeaseLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current financial liabilities",
        "terseLabel": "Other current liabilities",
        "verboseLabel": "Other current liabilities"
       }
      }
     },
     "localname": "OtherCurrentFinancialLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentLiabilities": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValue",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 5.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other current liabilities",
        "terseLabel": "Other current liabilities",
        "totalLabel": "Total\u00a0other current liabilities"
       }
      }
     },
     "localname": "OtherCurrentLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherCurrentPayables": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_OtherCurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of current payables that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other current payables",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherCurrentPayables",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/OtherCurrentLiabilitiesSummaryOfOtherCurrentLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherExpenseByNature": {
     "auth_ref": [
      "r45",
      "r246"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other expenses, by nature",
        "negatedLabel": "Other",
        "negatedTerseLabel": "Other expenses",
        "terseLabel": "Other expenses"
       }
      }
     },
     "localname": "OtherExpenseByNature",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherFinanceCost": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of finance costs that the entity does not separately disclose in the same statement or note. [Refer: Finance costs]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other finance cost",
        "negatedLabel": "Other financial expenses"
       }
      }
     },
     "localname": "OtherFinanceCost",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherFinanceIncome": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of finance income that the entity does not separately disclose in the same statement or note. [Refer: Finance income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other finance income",
        "terseLabel": "Other financial income"
       }
      }
     },
     "localname": "OtherFinanceIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherFinancialLiabilities": {
     "auth_ref": [
      "r15"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "clls_FinancialLiabilitiesExcludingTradesPayableAndOtherCurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other financial liabilities",
        "terseLabel": "Financial liabilities"
       }
      }
     },
     "localname": "OtherFinancialLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherIncome": {
     "auth_ref": [
      "r75",
      "r246",
      "r247"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_RevenueAndOperatingIncome",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 1.0,
       "parentTag": "ifrs-full_RevenueAndOperatingIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of operating income that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other income",
        "terseLabel": "Other income",
        "totalLabel": "Other income",
        "verboseLabel": "External other income"
       }
      }
     },
     "localname": "OtherIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentAssets": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current assets",
        "terseLabel": "Other non-current assets"
       }
      }
     },
     "localname": "OtherNoncurrentAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentFinancialAssets": {
     "auth_ref": [
      "r10"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_NoncurrentFinancialAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current financial assets",
        "terseLabel": "Other non current financial assets"
       }
      }
     },
     "localname": "OtherNoncurrentFinancialAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsSummaryOfNoncurrentFinancialAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentFinancialLiabilities": {
     "auth_ref": [
      "r15",
      "r148"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureFinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail2": {
       "order": 1.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 4.0,
       "parentTag": "clls_TotalNonCurrentFinancialLiabilitiesAndNonCurrentLeaseDebts",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current financial liabilities",
        "terseLabel": "Non-current financial liabilities"
       }
      }
     },
     "localname": "OtherNoncurrentFinancialLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherNoncurrentLiabilities": {
     "auth_ref": [
      "r316"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 4.0,
       "parentTag": "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other non-current liabilities",
        "terseLabel": "Other non-current liabilities"
       }
      }
     },
     "localname": "OtherNoncurrentLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherOperatingIncomeExpense": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 4.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": -1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 2.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of operating income (expense) that the entity does not separately disclose in the same statement or note."
       }
      },
      "en-us": {
       "role": {
        "label": "Other operating income (expense)",
        "terseLabel": "Other operating income (expenses)",
        "verboseLabel": "Other operating income and expenses"
       }
      }
     },
     "localname": "OtherOperatingIncomeExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherPropertyPlantAndEquipment": {
     "auth_ref": [
      "r322"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of property, plant and equipment that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other property, plant and equipment",
        "terseLabel": "Assets put in service"
       }
      }
     },
     "localname": "OtherPropertyPlantAndEquipment",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherProvisions": {
     "auth_ref": [
      "r25",
      "r96"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of provisions other than provisions for employee benefits. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other provisions",
        "periodEndLabel": "Commercial litigation, Ending balance",
        "periodStartLabel": "Commercial litigation, Beginning balance",
        "totalLabel": "Total other provisions"
       }
      }
     },
     "localname": "OtherProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherProvisionsMember": {
     "auth_ref": [
      "r100"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for provisions other than provisions for employee benefits. It also represents the standard value for the 'Classes of other provisions' axis if no other member is used. [Refer: Provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other provisions [member]"
       }
      }
     },
     "localname": "OtherProvisionsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_OtherRevenue": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of revenue arising from sources that the entity does not separately disclose in the same statement or note. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other revenue",
        "terseLabel": "Other revenues",
        "verboseLabel": "Subsidies and other"
       }
      }
     },
     "localname": "OtherRevenue",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": {
     "auth_ref": [
      "r49"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that the entity does not separately disclose in the same statement or note. [Refer: Accounting profit; Applicable tax rate]"
       }
      },
      "en-us": {
       "role": {
        "label": "Other tax effects for reconciliation between accounting profit and tax expense (income)",
        "terseLabel": "Other differences"
       }
      }
     },
     "localname": "OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ParValuePerShare": {
     "auth_ref": [
      "r27"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The nominal value per share."
       }
      },
      "en-us": {
       "role": {
        "label": "Par value per share",
        "periodEndLabel": "Nominal value",
        "terseLabel": "Par value per share"
       }
      }
     },
     "localname": "ParValuePerShare",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset": {
     "auth_ref": [
      "r64"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Payments in respect of settlements, net defined benefit liability (asset)",
        "negatedLabel": "Increase (decrease) in net defined benefit liability (asset) resulting from payments in respect of settlements",
        "terseLabel": "Benefit paid"
       }
      }
     },
     "localname": "PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfNetDefinedBenefitLiabilityAndComponentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r267"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 1.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]"
       }
      },
      "en-us": {
       "role": {
        "label": "Payments of lease liabilities, classified as financing activities",
        "negatedLabel": "Payments on lease debts",
        "negatedTerseLabel": "Payments of lease liabilities"
       }
      }
     },
     "localname": "PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PercentageOfEntitysRevenue": {
     "auth_ref": [
      "r344"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The percentage of the entity's revenue. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Percentage of entity's revenue",
        "terseLabel": "Percentage of Revenue"
       }
      }
     },
     "localname": "PercentageOfEntitysRevenue",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_PercentageOfVotingEquityInterestsAcquired": {
     "auth_ref": [
      "r195"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Percentage of voting equity interests acquired",
        "terseLabel": "Equity interests"
       }
      }
     },
     "localname": "PercentageOfVotingEquityInterestsAcquired",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_PlantsMember": {
     "auth_ref": [
      "r332"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for plants."
       }
      },
      "en-us": {
       "role": {
        "label": "Plants [member]",
        "terseLabel": "Plants [member]"
       }
      }
     },
     "localname": "PlantsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_PreviouslyStatedMember": {
     "auth_ref": [
      "r3",
      "r123",
      "r124",
      "r126"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the information previously stated in the financial statements (ie before retrospective application or retrospective restatement)."
       }
      },
      "en-us": {
       "role": {
        "label": "Previously stated [member]",
        "terseLabel": "Previously stated [member]"
       }
      }
     },
     "localname": "PreviouslyStatedMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r265"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from borrowings obtained. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from borrowings, classified as financing activities",
        "terseLabel": "Increase in borrowings"
       }
      }
     },
     "localname": "ProceedsFromBorrowingsClassifiedAsFinancingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations": {
     "auth_ref": [
      "r333"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail": {
       "order": 1.0,
       "parentTag": "clls_DiscontinuedOperationsConsiderationReceived",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from the disposal of non-current assets or disposal groups classified as held for sale and discontinued operations. [Refer: Discontinued operations [member]; Disposal groups classified as held for sale [member]; Non-current assets or disposal groups classified as held for sale]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations",
        "terseLabel": "Consideration received in cash"
       }
      }
     },
     "localname": "ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromExerciseOfWarrants": {
     "auth_ref": [
      "r334"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from the exercise of share purchase warrants."
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from exercise of warrants"
       }
      }
     },
     "localname": "ProceedsFromExerciseOfWarrants",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r326"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from government grants, classified as financing activities. [Refer: Government [member]; Government grants]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from government grants, classified as financing activities",
        "terseLabel": "Proceeds from refundable advance payment"
       }
      }
     },
     "localname": "ProceedsFromGovernmentGrantsClassifiedAsFinancingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromIssueOfOrdinaryShares": {
     "auth_ref": [
      "r334"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from the issuing of ordinary shares. [Refer: Ordinary shares [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from issue of ordinary shares",
        "terseLabel": "Exercise stock option",
        "verboseLabel": "Gross proceeds"
       }
      }
     },
     "localname": "ProceedsFromIssueOfOrdinaryShares",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProceedsFromIssuingShares": {
     "auth_ref": [
      "r264"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash inflow from issuing shares."
       }
      },
      "en-us": {
       "role": {
        "label": "Proceeds from issuing shares",
        "verboseLabel": "Increase in share capital of Cellectis after deduction of transaction costs"
       }
      }
     },
     "localname": "ProceedsFromIssuingShares",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProductsAndServicesAxis": {
     "auth_ref": [
      "r239",
      "r277"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Products and services [axis]",
        "terseLabel": "Products and services [axis]"
       }
      }
     },
     "localname": "ProductsAndServicesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_ProductsAndServicesMember": {
     "auth_ref": [
      "r239",
      "r277"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the entity's products and services. It also represents the standard value for the 'Products and services' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Products and services [member]",
        "terseLabel": "Products and services [member]"
       }
      }
     },
     "localname": "ProductsAndServicesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ProfitLoss": {
     "auth_ref": [
      "r4",
      "r31",
      "r115",
      "r128",
      "r130",
      "r232",
      "r235",
      "r270",
      "r280"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity": {
       "order": 0.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss": {
       "order": 0.0,
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Net income (loss) for the period",
        "terseLabel": "Net income (loss)",
        "totalLabel": "Net income (loss)",
        "verboseLabel": "Net Loss"
       }
      }
     },
     "localname": "ProfitLoss",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossAttributableToNoncontrollingInterests": {
     "auth_ref": [
      "r34",
      "r133"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited2": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to non-controlling interests",
        "terseLabel": "Attributable to non-controlling interests",
        "verboseLabel": "Net income (loss) attributable to NCI"
       }
      }
     },
     "localname": "ProfitLossAttributableToNoncontrollingInterests",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity": {
     "auth_ref": [
      "r87"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to ordinary equity holders of parent entity",
        "terseLabel": "Net income (loss) attributable to shareholders of Cellectis ($ in thousands)",
        "totalLabel": "Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share"
       }
      }
     },
     "localname": "ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossAttributableToOwnersOfParent": {
     "auth_ref": [
      "r35"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 1.0,
       "parentTag": "clls_AdjustedNetProfitLossAttributableToOwnersOfParent",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited2": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to owners of parent",
        "terseLabel": "Attributable to shareholders of Cellectis",
        "totalLabel": "Net income (loss) attributable to shareholders of Cellectis"
       }
      }
     },
     "localname": "ProfitLossAttributableToOwnersOfParent",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossBeforeTax": {
     "auth_ref": [
      "r198",
      "r246",
      "r247",
      "r294",
      "r295"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) before tax expense or income. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) before tax",
        "terseLabel": "Income (loss) before taxes from continuing operations",
        "totalLabel": "Profit (loss) before tax"
       }
      }
     },
     "localname": "ProfitLossBeforeTax",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossFromContinuingOperations": {
     "auth_ref": [
      "r31",
      "r143",
      "r232",
      "r235"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing operations. [Refer: Continuing operations [member]; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) from continuing operations",
        "totalLabel": "Income (loss) from continuing operations",
        "verboseLabel": "Income (loss) from continuing operations"
       }
      }
     },
     "localname": "ProfitLossFromContinuingOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossFromDiscontinuedOperations": {
     "auth_ref": [
      "r41",
      "r44",
      "r144",
      "r197"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from discontinued operations. [Refer: Discontinued operations [member]; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit from deconsolidation",
        "terseLabel": "Income (loss) from discontinued operations",
        "totalLabel": "Net income (loss) from discontinued operations",
        "verboseLabel": "Net income (loss) from discontinued operations"
       }
      }
     },
     "localname": "ProfitLossFromDiscontinuedOperations",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity": {
     "auth_ref": [
      "r87"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from discontinued operations attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss) from discontinued operations]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) from discontinued operations attributable to ordinary equity holders of parent entity, used in calculating basic earnings per share",
        "terseLabel": "Net income (loss) attributable to shareholders of Cellectis ($ in thousands) from discontinued operations"
       }
      }
     },
     "localname": "ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProfitLossFromOperatingActivities": {
     "auth_ref": [
      "r259",
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossFromDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossFromDiscontinuedOperations",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossFromContinuingOperations",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The profit (loss) from operating activities of the entity. [Refer: Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Profit (loss) from operating activities",
        "terseLabel": "Operating income (loss)",
        "totalLabel": "Operating income (loss)",
        "verboseLabel": "Operating income (loss) before tax"
       }
      }
     },
     "localname": "ProfitLossFromOperatingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PropertyPlantAndEquipment": {
     "auth_ref": [
      "r9",
      "r56"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 4.0,
       "parentTag": "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 2.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets]"
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "terseLabel": "Property, plant, and equipment",
        "totalLabel": "Total property, plant and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipment",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusAxis": {
     "auth_ref": [
      "r174"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment by operating lease status [axis]",
        "terseLabel": "Property, plant and equipment by operating lease status [axis]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentByOperatingLeaseStatusAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusMember": {
     "auth_ref": [
      "r174"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all property, plant and equipment when disaggregated by the operating lease status by a lessor. It also represents the standard value for the 'Property, plant and equipment by operating lease status' axis if no other member is used. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment by operating lease status [member]",
        "terseLabel": "Property, plant and equipment by operating lease status [member]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentByOperatingLeaseStatusMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_PropertyPlantAndEquipmentMember": {
     "auth_ref": [
      "r57",
      "r260",
      "r279"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for property, plant and equipment. It also represents the standard value for the 'Classes of property, plant and equipment' axis if no other member is used. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Property, plant and equipment [member]",
        "terseLabel": "Property, Plant and Equipment [member]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CommitmentsScheduleOfCommitmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentDisclosureOfPropertyPlantAndEquipmentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentEstimatedUsefulLivesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestInAssociate": {
     "auth_ref": [
      "r79",
      "r82",
      "r137"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in associate",
        "terseLabel": "Ownership interest in associate"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInAssociate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestInSubsidiary": {
     "auth_ref": [
      "r79",
      "r82",
      "r135"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in subsidiary",
        "terseLabel": "Ownership interest in subsidiary",
        "verboseLabel": "Ownership interest"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestInSubsidiary",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests": {
     "auth_ref": [
      "r132"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of ownership interests held by non-controlling interests",
        "terseLabel": "Non-controlling shareholders interest"
       }
      }
     },
     "localname": "ProportionOfOwnershipInterestsHeldByNoncontrollingInterests",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProportionOfVotingPowerHeldInAssociate": {
     "auth_ref": [
      "r79",
      "r82",
      "r137"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The proportion of the voting rights in an associate held by the entity. [Refer: Associates [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Proportion of voting rights held in associate",
        "terseLabel": "Voting rights held in associate"
       }
      }
     },
     "localname": "ProportionOfVotingPowerHeldInAssociate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "ifrs-full_ProvisionUsedOtherProvisions": {
     "auth_ref": [
      "r98"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Provision used, other provisions",
        "negatedLabel": "Commercial litigation, Amounts used during the period",
        "terseLabel": "Commercial litigation, Amounts used during the period"
       }
      }
     },
     "localname": "ProvisionUsedOtherProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_Provisions": {
     "auth_ref": [
      "r14"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of liabilities of uncertain timing or amount, including provisions for employee benefits."
       }
      },
      "en-us": {
       "role": {
        "label": "Provisions",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "totalLabel": "Total provisions"
       }
      }
     },
     "localname": "Provisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ProvisionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Provisions [abstract]"
       }
      }
     },
     "localname": "ProvisionsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "auth_ref": [
      "r263"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 3.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      },
      "en-us": {
       "role": {
        "label": "Purchase of property, plant and equipment, classified as investing activities",
        "negatedLabel": "Acquisition of property, plant and equipment",
        "negatedTerseLabel": "Purchase of property, plant and equipment"
       }
      }
     },
     "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_PurchasesFairValueMeasurementAssets": {
     "auth_ref": [
      "r158"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The increase in the fair value measurement of assets resulting from purchases of those assets. [Refer: At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Purchases, fair value measurement, assets",
        "terseLabel": "Notes receivable received during the period"
       }
      }
     },
     "localname": "PurchasesFairValueMeasurementAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RangeAxis": {
     "auth_ref": [
      "r162",
      "r179",
      "r191",
      "r274",
      "r276",
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Range [axis]",
        "terseLabel": "Range [axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_RangesMember": {
     "auth_ref": [
      "r162",
      "r179",
      "r191",
      "r274",
      "r276",
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for aggregate ranges. It also represents the standard value for the 'Range' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Ranges [member]",
        "terseLabel": "Ranges [member]"
       }
      }
     },
     "localname": "RangesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities": {
     "auth_ref": [
      "r266"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows": {
       "order": 5.0,
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Repayments of borrowings, classified as financing activities",
        "negatedLabel": "Decrease in borrowings",
        "negatedTerseLabel": "Repayments of borrowings"
       }
      }
     },
     "localname": "RepaymentsOfBorrowingsClassifiedAsFinancingActivities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedInterimStatementsOfConsolidatedCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ResearchAndDevelopmentExpense": {
     "auth_ref": [
      "r106"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 0.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expenditure directly attributable to research or development activities, recognised in profit or loss."
       }
      },
      "en-us": {
       "role": {
        "label": "Research and development expense",
        "negatedLabel": "Research and development expenses",
        "negatedTotalLabel": "Total research and development expenses"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ReserveOfExchangeDifferencesOnTranslation": {
     "auth_ref": [
      "r69"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 2.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income]"
       }
      },
      "en-us": {
       "role": {
        "label": "Reserve of exchange differences on translation",
        "terseLabel": "Currency translation adjustment"
       }
      }
     },
     "localname": "ReserveOfExchangeDifferencesOnTranslation",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RestatedMember": {
     "auth_ref": [
      "r3",
      "r123",
      "r124",
      "r126",
      "r178",
      "r314"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the information currently stated in the financial statements. It also represents the standard value for the 'Retrospective application and retrospective restatement' and 'Departure from requirement of IFRS' axes if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Currently stated [member]",
        "terseLabel": "Restated [member]"
       }
      }
     },
     "localname": "RestatedMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RestrictedCashAndCashEquivalents": {
     "auth_ref": [
      "r316"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cash and cash equivalents whose use or withdrawal is restricted. [Refer: Cash and cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Restricted cash and cash equivalents",
        "terseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RetainedEarningsExcludingProfitLossForReportingPeriod": {
     "auth_ref": [
      "r318"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 3.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A component of equity representing the entity\u2019s cumulative undistributed earnings or deficit excluding the profit or loss for the reporting period. [Refer: Retained earnings]"
       }
      },
      "en-us": {
       "role": {
        "label": "Retained earnings, excluding profit (loss) for reporting period",
        "verboseLabel": "Retained earnings"
       }
      }
     },
     "localname": "RetainedEarningsExcludingProfitLossForReportingPeriod",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RetainedEarningsMember": {
     "auth_ref": [
      "r7",
      "r248"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit."
       }
      },
      "en-us": {
       "role": {
        "label": "Retained earnings [member]",
        "terseLabel": "Retained Earnings (Deficit) [member]"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_RetainedEarningsProfitLossForReportingPeriod": {
     "auth_ref": [
      "r318"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 4.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A component of equity representing the entity\u2019s undistributed profit or loss for the reporting period. [Refer: Retained earnings; Profit (loss)]"
       }
      },
      "en-us": {
       "role": {
        "label": "Retained earnings, profit (loss) for reporting period",
        "terseLabel": "Net income (loss)"
       }
      }
     },
     "localname": "RetainedEarningsProfitLossForReportingPeriod",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis": {
     "auth_ref": [
      "r3",
      "r123",
      "r124",
      "r126"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Retrospective application and retrospective restatement [axis]",
        "terseLabel": "Retrospective application and retrospective restatement [axis]"
       }
      }
     },
     "localname": "RetrospectiveApplicationAndRetrospectiveRestatementAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_Revenue": {
     "auth_ref": [
      "r38",
      "r142",
      "r198",
      "r227",
      "r234",
      "r239",
      "r240",
      "r242",
      "r246",
      "r247",
      "r270"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_RevenueAndOperatingIncome",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 0.0,
       "parentTag": "ifrs-full_RevenueAndOperatingIncome",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims."
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue",
        "terseLabel": "External revenues",
        "totalLabel": "Total revenues",
        "verboseLabel": "Revenues"
       }
      }
     },
     "localname": "Revenue",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue [abstract]"
       }
      }
     },
     "localname": "RevenueAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_RevenueAndOperatingIncome": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 1.0,
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The aggregate amount of the entity's revenue and other operating income. [Refer: Revenue]"
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue and other operating income",
        "terseLabel": "Revenues and other income",
        "totalLabel": "Total revenues and other income",
        "verboseLabel": "External revenues and other income"
       }
      }
     },
     "localname": "RevenueAndOperatingIncome",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsScheduleOfIncomeStatementOfDiscontinuedOperationsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsRevenuesByCountryOfOriginAndOtherIncomeDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueFromGovernmentGrants": {
     "auth_ref": [
      "r327"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income recognised in relation to government grants. [Refer: Government grants]"
       }
      },
      "en-us": {
       "role": {
        "label": "Income from government grants",
        "terseLabel": "Recognition of grant the refundable advance"
       }
      }
     },
     "localname": "RevenueFromGovernmentGrants",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueFromInterest": {
     "auth_ref": [
      "r150",
      "r228",
      "r237",
      "r312"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of income arising from interest."
       }
      },
      "en-us": {
       "role": {
        "label": "Interest income",
        "terseLabel": "Interest income"
       }
      }
     },
     "localname": "RevenueFromInterest",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfFinancialIncomeAndExpensesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods": {
     "auth_ref": [
      "r164"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of revenue from performance obligations satisfied (or partially satisfied) in previous periods. [Refer: Performance obligations [member]; Revenue from contracts with customers]"
       }
      },
      "en-us": {
       "role": {
        "label": "Revenue from performance obligations satisfied or partially satisfied in previous periods",
        "terseLabel": "Revenue from performance obligation"
       }
      }
     },
     "localname": "RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RightofuseAssets": {
     "auth_ref": [
      "r166",
      "r171"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 4.0,
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee."
       }
      },
      "en-us": {
       "role": {
        "label": "Right-of-use assets",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "terseLabel": "Right-of-use\u00a0assets",
        "verboseLabel": "Right-of-use assets"
       }
      }
     },
     "localname": "RightofuseAssets",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RightOfUseAssetsDetailsInformationAboutBreakdownOfRightOfUseAssetsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_RoyaltyExpense": {
     "auth_ref": [
      "r321"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense arising from royalties."
       }
      },
      "en-us": {
       "role": {
        "label": "Royalty expense",
        "negatedLabel": "Royalty expenses"
       }
      }
     },
     "localname": "RoyaltyExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SecuredBankLoansReceived": {
     "auth_ref": [
      "r312"
     ],
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of loans received from banks that have been secured by collateral. [Refer: Loans received]"
       }
      },
      "en-us": {
       "role": {
        "label": "State Guaranteed Loan, value",
        "terseLabel": "State Guaranteed loan PGE",
        "verboseLabel": "Secured Borrowings"
       }
      }
     },
     "localname": "SecuredBankLoansReceived",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SegmentConsolidationItemsAxis": {
     "auth_ref": [
      "r232"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Segment consolidation items [axis]",
        "terseLabel": "Segment consolidation items [axis]"
       }
      }
     },
     "localname": "SegmentConsolidationItemsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SegmentsAxis": {
     "auth_ref": [
      "r92",
      "r163",
      "r232",
      "r257",
      "r282"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Segments [axis]"
       }
      }
     },
     "localname": "SegmentsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SegmentsMember": {
     "auth_ref": [
      "r92",
      "r163",
      "r238",
      "r257",
      "r282"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all segments of an entity. It also represents the standard value for the 'Segments' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Segments [member]"
       }
      }
     },
     "localname": "SegmentsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_SellingGeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail": {
       "order": 3.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited": {
       "order": 3.0,
       "parentTag": "ifrs-full_OperatingExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of expense relating to selling, general and administrative activities of the entity."
       }
      },
      "en-us": {
       "role": {
        "label": "Selling, general and administrative expense",
        "negatedLabel": "Selling, general and administrative expenses",
        "negatedTotalLabel": "Total selling, general and administrative expenses",
        "totalLabel": "Total selling, general and administrative expense"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpense",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsSummaryOfKeyPerformanceIndicatorsByReportableSegmentsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ShareIssueRelatedCost": {
     "auth_ref": [
      "r310"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of cost related to the issuance of shares."
       }
      },
      "en-us": {
       "role": {
        "label": "Share issue related cost",
        "negatedLabel": "Transaction costs",
        "negatedTerseLabel": "Transaction costs related to Cellectis' capital increase",
        "terseLabel": "Transaction costs",
        "verboseLabel": "Share issue related cost"
       }
      }
     },
     "localname": "ShareIssueRelatedCost",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SharePremium": {
     "auth_ref": [
      "r252"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount received or receivable from the issuance of the entity's shares in excess of nominal value."
       }
      },
      "en-us": {
       "role": {
        "label": "Share premium",
        "terseLabel": "Premiums related to the share capital"
       }
      }
     },
     "localname": "SharePremium",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SharePremiumMember": {
     "auth_ref": [
      "r7"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for the amount received or receivable from issuance of the entity's shares in excess of nominal value."
       }
      },
      "en-us": {
       "role": {
        "label": "Share premium [member]",
        "terseLabel": "Premiums Related to Share Capital [member]"
       }
      }
     },
     "localname": "SharePremiumMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureShareCapitalAndPremiumRelatedToTheShareCapitalsScheduleOfClassesOfShareCapitalDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_SharebasedPaymentArrangementsMember": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for an agreement between the entity or another group entity or any shareholder of the group entity and another party (including an employee) that entitles the other party to receive (a) cash or other assets of the entity for amounts that are based on the price (or value) of equity instruments (including shares or share options) of the entity or another group entity; or (b) equity instruments (including shares or share options) of the entity or another group entity, provided that the specified vesting conditions, if any, are met. It also represents the standard value for the 'Types of share-based payment arrangements' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Share-based payment arrangements [member]",
        "terseLabel": "Share-based payment arrangements [member]"
       }
      }
     },
     "localname": "SharebasedPaymentArrangementsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents": {
     "auth_ref": [
      "r338"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Short-term deposits, classified as cash equivalents",
        "terseLabel": "Fixed bank deposits"
       }
      }
     },
     "localname": "ShorttermDepositsClassifiedAsCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents": {
     "auth_ref": [
      "r338"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail": {
       "order": 2.0,
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A classification of cash equivalents representing short-term investments. [Refer: Cash equivalents]"
       }
      },
      "en-us": {
       "role": {
        "label": "Short-term investments, classified as cash equivalents",
        "terseLabel": "Money market funds"
       }
      }
     },
     "localname": "ShorttermInvestmentsClassifiedAsCashEquivalents",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_SignificantInvestmentsInAssociatesAxis": {
     "auth_ref": [
      "r80",
      "r83",
      "r154"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Associates [axis]"
       }
      }
     },
     "localname": "SignificantInvestmentsInAssociatesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SignificantInvestmentsInSubsidiariesAxis": {
     "auth_ref": [
      "r80",
      "r83",
      "r153"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Subsidiaries [axis]",
        "terseLabel": "Subsidiaries [axis]"
       }
      }
     },
     "localname": "SignificantInvestmentsInSubsidiariesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureScopeOfConsolidationAndNonconsolidatedEntitiesImpactOfDeconsolidationOnGroupsFinancialStatementsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InventoriesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquity",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementUnauditedCondensedConsolidatedStatementsOfChangesInShareholdersEquityParenthetical",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_SignificantUnobservableInputLiabilities": {
     "auth_ref": [
      "r157"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The value of significant unobservable input used in the measurement of the fair value of liabilities."
       }
      },
      "en-us": {
       "role": {
        "label": "Significant unobservable input, liabilities"
       }
      }
     },
     "localname": "SignificantUnobservableInputLiabilities",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "ifrs-full_SocialSecurityContributions": {
     "auth_ref": [
      "r325"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_EmployeeBenefitsExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A class of employee benefits expense that represents social security contributions. [Refer: Employee benefits expense]"
       }
      },
      "en-us": {
       "role": {
        "label": "Social security contributions",
        "negatedLabel": "Social charges on free shares and stock option grants"
       }
      }
     },
     "localname": "SocialSecurityContributions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of cash flows [abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfChangesInEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [abstract]"
       }
      }
     },
     "localname": "StatementOfChangesInEquityAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of comprehensive income [abstract]"
       }
      }
     },
     "localname": "StatementOfComprehensiveIncomeAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of financial position [abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TaxEffectOfTaxLosses": {
     "auth_ref": [
      "r49"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to tax losses. [Refer: Accounting profit]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tax effect of tax losses",
        "negatedLabel": "Credits and net operating loss carryforwards",
        "terseLabel": "Credits and net operating loss carryforwards"
       }
      }
     },
     "localname": "TaxEffectOfTaxLosses",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": {
     "auth_ref": [
      "r49"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]"
       }
      },
      "en-us": {
       "role": {
        "label": "Tax expense (income) at applicable tax rate",
        "terseLabel": "Theoretical tax benefit (expense)"
       }
      }
     },
     "localname": "TaxExpenseIncomeAtApplicableTaxRate",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDisclosureOfIncomeTaxExpenseOrIncomeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TopOfRangeMember": {
     "auth_ref": [
      "r162",
      "r179",
      "r191",
      "r274",
      "r276",
      "r343"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for top of a range."
       }
      },
      "en-us": {
       "role": {
        "label": "Top of range [member]",
        "terseLabel": "Top of Range [member]"
       }
      }
     },
     "localname": "TopOfRangeMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers": {
     "auth_ref": [
      "r250",
      "r319"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition": {
       "order": 1.0,
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Current trade payables",
        "terseLabel": "Trade payables"
       }
      }
     },
     "localname": "TradeAndOtherCurrentPayablesToTradeSuppliers",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesHeldForSaleDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfFinancialPosition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherPayablesToTradeSuppliers": {
     "auth_ref": [
      "r319"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0
      },
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount of payment due to suppliers for goods and services used in the entity's business."
       }
      },
      "en-us": {
       "role": {
        "label": "Trade payables",
        "terseLabel": "Trade payables",
        "verboseLabel": "Trade payables"
       }
      }
     },
     "localname": "TradeAndOtherPayablesToTradeSuppliers",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleOfFinancialLiabilitiesDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesScheduleRepresentingDueDatesOfTheFinancialLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeAndOtherReceivablesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other receivables [abstract]"
       }
      }
     },
     "localname": "TradeAndOtherReceivablesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TradeReceivables": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfTradeReceivablesDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_CurrentTradeReceivables",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount due from customers for goods and services sold."
       }
      },
      "en-us": {
       "role": {
        "label": "Trade receivables",
        "terseLabel": "Trade receivables"
       }
      }
     },
     "localname": "TradeReceivables",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TradeReceivablesAndOtherCurrentAssetsDisclosureOfTradeReceivablesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_TradeReceivablesMember": {
     "auth_ref": [
      "r207",
      "r211",
      "r285",
      "r312"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for trade receivables. [Refer: Trade receivables]"
       }
      },
      "en-us": {
       "role": {
        "label": "Trade receivables [member]",
        "terseLabel": "Trade Receivables [member]"
       }
      }
     },
     "localname": "TradeReceivablesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesSummaryOfFinancialAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_TypesOfFinancialLiabilitiesAxis": {
     "auth_ref": [
      "r224",
      "r225"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Types of financial liabilities [axis]"
       }
      }
     },
     "localname": "TypesOfFinancialLiabilitiesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TypesOfInterestRatesAxis": {
     "auth_ref": [
      "r342"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Types of interest rates [axis]"
       }
      }
     },
     "localname": "TypesOfInterestRatesAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_TypesOfSharebasedPaymentArrangementsAxis": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Types of share-based payment arrangements [axis]",
        "terseLabel": "Types of share-based payment arrangements [axis]"
       }
      }
     },
     "localname": "TypesOfSharebasedPaymentArrangementsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfAssumptionsVestingDetailsDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationTables",
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/RelatedPartiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_UnobservableInputsAxis": {
     "auth_ref": [
      "r157",
      "r339"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Unobservable inputs [axis]"
       }
      }
     },
     "localname": "UnobservableInputsAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_UnobservableInputsMember": {
     "auth_ref": [
      "r157",
      "r339"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for all the unobservable inputs. It also represents the standard value for the 'Unobservable inputs' axis if no other member is used."
       }
      },
      "en-us": {
       "role": {
        "label": "Unobservable inputs [member]"
       }
      }
     },
     "localname": "UnobservableInputsMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfMainInputsForTheValuationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_UnusedProvisionReversedOtherProvisions": {
     "auth_ref": [
      "r99"
     ],
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "The amount reversed for unused other provisions. [Refer: Other provisions]"
       }
      },
      "en-us": {
       "role": {
        "label": "Unused provision reversed, other provisions",
        "negatedLabel": "Commercial litigation, Reversals",
        "terseLabel": "Commercial litigation, Reversals"
       }
      }
     },
     "localname": "UnusedProvisionReversedOtherProvisions",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/ProvisionsSummaryOfProvisionsForTerminationBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_ValuationTechniquesMember": {
     "auth_ref": [
      "r157"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "This member stands for valuation techniques used by the entity to measure fair value. It also represents the standard value for the 'Valuation techniques used in fair value measurement' axis if no other member is used. [Refer: At fair value [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Valuation techniques [member]",
        "terseLabel": "Valuation Techniques [Member]"
       }
      }
     },
     "localname": "ValuationTechniquesMember",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis": {
     "auth_ref": [
      "r157"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      },
      "en-us": {
       "role": {
        "label": "Valuation techniques used in fair value measurement [axis]",
        "terseLabel": "Valuation techniques used in fair value measurement [axis]"
       }
      }
     },
     "localname": "ValuationTechniquesUsedInFairValueMeasurementAxis",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/CurrentFinancialAssetsAndCashAndCashEquivalentsSummaryOfSensitivityOfTheInstrumentParentheticalDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "ifrs-full_WagesAndSalaries": {
     "auth_ref": [
      "r325"
     ],
     "calculation": {
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail": {
       "order": 0.0,
       "parentTag": "ifrs-full_EmployeeBenefitsExpense",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en": {
       "role": {
        "documentation": "A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense]"
       }
      },
      "en-us": {
       "role": {
        "label": "Wages and salaries",
        "negatedLabel": "Wages and salaries"
       }
      }
     },
     "localname": "WagesAndSalaries",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/InformationConcerningTheGroupsConsolidatedOperationsDetailsOfOperatingExpensesByNatureDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019": {
     "auth_ref": [
      "r189"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercisable in share-based payment arrangement",
        "periodEndLabel": "Weighted- average exercise price per share, ending balance",
        "periodStartLabel": "Weighted- average exercise price per share, beginning balance"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019": {
     "auth_ref": [
      "r187"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercised in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price per share, exercised",
        "verboseLabel": "Weighted average exercise price, Vested"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019": {
     "auth_ref": [
      "r186"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options forfeited in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price per share, cancelled, forfeited or expired"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019": {
     "auth_ref": [
      "r185"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options granted in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price per share, granted"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019": {
     "auth_ref": [
      "r184",
      "r188"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options outstanding in share-based payment arrangement",
        "periodEndLabel": "Weighted average exercise price per share, ending balance",
        "periodStartLabel": "Weighted average exercise price per share, beginning balance"
       }
      }
     },
     "localname": "WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfNumberOfSharesOutstandingAndWeightedAverageGrantDateFairValueDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]"
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average remaining contractual life of outstanding share options",
        "terseLabel": "Remaining Average Useful Life"
       }
      }
     },
     "localname": "WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnStockOptionActivityDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationSummaryOfInformationOnWarrantsActivityDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "ifrs-full_WeightedAverageShares": {
     "auth_ref": [
      "r88"
     ],
     "lang": {
      "en": {
       "role": {
        "documentation": "The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor."
       }
      },
      "en-us": {
       "role": {
        "label": "Weighted average number of ordinary shares outstanding",
        "terseLabel": "Adjusted weighted average number of outstanding shares, used to calculate both basic and diluted net result per share",
        "verboseLabel": "Basic"
       }
      }
     },
     "localname": "WeightedAverageShares",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/EarningsPerShareDetailsOfEarningsPerShareDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]",
        "terseLabel": "Number of shares used for computing"
       }
      }
     },
     "localname": "WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ChiefExecutiveOfficerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chief Executive Officer [Member]"
       }
      }
     },
     "localname": "ChiefExecutiveOfficerMember",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CurrencyAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Currency [Axis]",
        "terseLabel": "Currency 1 [Axis]"
       }
      }
     },
     "localname": "CurrencyAxis",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialAssetsAndLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_OwnershipAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ownership [Axis]"
       }
      }
     },
     "localname": "OwnershipAxis",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_OwnershipDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ownership [Domain]"
       }
      }
     },
     "localname": "OwnershipDomain",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureDiscontinuedOperationsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/TheCompanyAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Domain]"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Axis]"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_TitleOfIndividualAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of Individual [Axis]"
       }
      }
     },
     "localname": "TitleOfIndividualAxis",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_TitleOfIndividualWithRelationshipToEntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of Individual [Domain]"
       }
      }
     },
     "localname": "TitleOfIndividualWithRelationshipToEntityDomain",
     "nsuri": "http://fasb.org/srt/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncashStockbasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_NC": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "NORTH CAROLINA",
        "terseLabel": "Raleigh, North Carolina [Member]"
       }
      }
     },
     "localname": "NC",
     "nsuri": "http://xbrl.sec.gov/stpr/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_NY": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "NEW YORK",
        "verboseLabel": "New York [Member]"
       }
      }
     },
     "localname": "NY",
     "nsuri": "http://xbrl.sec.gov/stpr/2023",
     "presentation": [
      "http://www.cellectis.com/20230630/taxonomy/role/DisclosureNoncurrentFinancialAssetsAdditionalInformationDetail",
      "http://www.cellectis.com/20230630/taxonomy/role/FinancialLiabilitiesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    }
   },
   "unitCount": 9
  }
 },
 "std_ref": {
  "r0": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_103&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r1": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_104&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r10": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r100": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r101": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "86",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r102": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r103": {
   "Clause": "vi",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_vi&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r104": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r105": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r106": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "126",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_126&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r107": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS38_g118-128_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r108": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "32A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_32A&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r109": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "76",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_76&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r11": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_g&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r110": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r111": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "40",
   "Paragraph": "79",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_79_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r112": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "41",
   "Paragraph": "50",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2023-en-r&anchor=para_50&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r113": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "41",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2023-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r114": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r115": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "18",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_18_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r116": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r117": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r118": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r119": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r12": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r120": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "39",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r121": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r122": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "50",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_50_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r123": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_f_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r124": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "29",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2023-en-r&anchor=para_29_c_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r125": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "30",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2023-en-r&anchor=para_30_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r126": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "8",
   "Paragraph": "49",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2023-en-r&anchor=para_49_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r127": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2023-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r128": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2023-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r129": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "32",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2023-en-r&anchor=para_32_a_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r13": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "j",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_j&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r130": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "32",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2023-en-r&anchor=para_32_a_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r131": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "10",
   "Paragraph": "22",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2023-en-r&anchor=para_22&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r132": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_12_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r133": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_12_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r134": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "12",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_12_f&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r135": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "19B",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r136": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "21",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r137": {
   "Clause": "iv",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "21",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_iv&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r138": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_ii&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r139": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_iii&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r14": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "l",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_l&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r140": {
   "Clause": "iv",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_iv&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r141": {
   "Clause": "ix",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r142": {
   "Clause": "v",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r143": {
   "Clause": "vi",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_vi&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r144": {
   "Clause": "vii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_vii&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r145": {
   "Clause": "viii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r146": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r147": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_b&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r148": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_c&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r149": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_d&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r15": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "m",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_m&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r150": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r151": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r152": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B13",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r153": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B4",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r154": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B4",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B4_d&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r155": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r156": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r157": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r158": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_e_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r159": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r16": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "p",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_p&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r160": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_h&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r161": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r162": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "14",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2023-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r163": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r164": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "116",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_116_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r165": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "120",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_120_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r166": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r167": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r168": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r169": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r17": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "q",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_q&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r170": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_h&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r171": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "Subparagraph": "j",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_j&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r172": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r173": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "94",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r174": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "95",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_95&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r175": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "97",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_97&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r176": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "109",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_109&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r177": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "109A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_109A&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r178": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r179": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "120",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_120&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r18": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "r",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_r&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r180": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "132",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_132_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r181": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "C32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_C32&doctype=Appendix&subtype=C",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r182": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "44",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_44&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r183": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r184": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r185": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r186": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r187": {
   "Clause": "iv",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_iv&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r188": {
   "Clause": "vi",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_vi&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r189": {
   "Clause": "vii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_vii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r19": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r190": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r191": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r192": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r193": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r194": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r195": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B64",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r196": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "3",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r197": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "33",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_33_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r198": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_33_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r199": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r2": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r20": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "61",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_61_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r200": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "33",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_33_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r201": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "38",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_38&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r202": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Section": "Presentation and disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IFRS05_g30-42_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r203": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "13C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_13C&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r204": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_a_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r205": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "23B",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_23B_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r206": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r207": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35H",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H_b_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r208": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35H",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r209": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35I&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r21": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_61&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r210": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35K",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35K&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r211": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35M",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35M_b_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r212": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35M",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35M&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r213": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "36",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_36&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r214": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "42E",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_42E_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r215": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "42I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_42I&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r216": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r217": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r218": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r219": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r22": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r220": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_f&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r221": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_g&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r222": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "8",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r223": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B2",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B2_a&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r224": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B51",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B51&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r225": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B52",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B52&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r226": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Section": "Scope",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IFRS07_g3-5A_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r227": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r228": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r229": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r23": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "69",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_69&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r230": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r231": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23_h&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r232": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r233": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r234": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r235": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r236": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r237": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r238": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r239": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_32&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r24": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r240": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "33",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_33_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r241": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r242": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r243": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "9",
   "Paragraph": "7.2.34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2023-en-r&anchor=para_7.2.34&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r244": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "9",
   "Paragraph": "7.2.42",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2023-en-r&anchor=para_7.2.42&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r245": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Note": "Expired 2023-01-01",
   "Number": "7",
   "Paragraph": "30",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-b&anchor=para_30&doctype=Standard&book=b",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r246": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "102",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_102&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r247": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_103&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r248": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_108&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r249": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "68",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_68&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r25": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r250": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_70&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r251": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r252": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r253": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_37_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r254": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_37_g&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r255": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_37_h&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r256": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "138",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_138_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r257": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "138",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_138_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r258": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "147",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_147_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r259": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "32",
   "Paragraph": "IE33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2023-en-r&anchor=para_IE33&doctype=Illustrative%20Examples",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r26": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r260": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r261": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "119",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_119_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r262": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "119",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_119_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r263": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "16",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_16_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r264": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r265": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r266": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r267": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r268": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Section": "A Statement of cash flows for an entity other than a financial institution",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r269": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "1",
   "Paragraph": "IG63",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2023-en-r&anchor=para_IG63&doctype=Implementation%20Guidance",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r27": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r270": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "12",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r271": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "94",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r272": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "B36",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_B36_a&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r273": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "B36",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_B36_b&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r274": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "B6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_B6&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r275": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "IE60",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_IE60&doctype=Illustrative%20Examples",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r276": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "IE63",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_IE63&doctype=Illustrative%20Examples",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r277": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "B89",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_B89_a&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r278": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "15",
   "Paragraph": "B89",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r279": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "16",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r28": {
   "Clause": "iv",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a_iv&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r280": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r281": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "96",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_96_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r282": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "17",
   "Paragraph": "96",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_96_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r283": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35H",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r284": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35I",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35I_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r285": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "35N",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35N&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r286": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B11",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B11_d&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r287": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B11",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B11&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r288": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B35_e&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r289": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B35_f&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r29": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r290": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B35_g&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r291": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "B35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B35&doctype=Appendix&subtype=B",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r292": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "IG20B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r293": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "IG31A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r294": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r295": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r296": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r297": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "IG4",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_IG4&doctype=Implementation%20Guidance",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/exampleRef"
  },
  "r298": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r299": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r3": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r30": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r300": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r301": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r302": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "15",
   "Subsection": "d-3",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r303": {
   "Name": "Form 10-K",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "310",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r304": {
   "Name": "Form 20-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "220",
   "Subsection": "f",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r305": {
   "Name": "Form 40-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "240",
   "Subsection": "f",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r306": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r307": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r308": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "405",
   "role": "http://www.xbrl.org/2003/role/presentationRef"
  },
  "r309": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "10",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_10_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r31": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81A",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81A_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r310": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r311": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_108&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r312": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "112",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r313": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "117",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_117&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r314": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "20",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_20_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r315": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r316": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r317": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r318": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r319": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "78",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r32": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81A",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81A_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r320": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r321": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "85",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_85&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r322": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r323": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "135",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_135_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r324": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "144",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r325": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "9",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_9&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r326": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "20",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2023-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r327": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "20",
   "Paragraph": "39",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2023-en-r&anchor=para_39_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r328": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "21",
   "Paragraph": "52",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2023-en-r&anchor=para_52_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r329": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r33": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81A_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r330": {
   "Clause": "vii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_vii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r331": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "38",
   "Paragraph": "118",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r332": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "41",
   "Paragraph": "41",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2023-en-r&anchor=para_41&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r333": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r334": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r335": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r336": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r337": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "20",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r338": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "7",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r339": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "13",
   "Paragraph": "93",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_h&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r34": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81B_a_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r340": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "2",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r341": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "5",
   "Paragraph": "33",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_33_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r342": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "39",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r343": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r344": {
   "IssueDate": "2023-01-01",
   "Name": "IFRS",
   "Number": "8",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef"
  },
  "r35": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81B_a_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r36": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81B_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r37": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_81B_b_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r38": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_82_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r39": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_82_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r4": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_d_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r40": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_82_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r41": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "82",
   "Subparagraph": "ea",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_82_ea&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r42": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "91",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r43": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "91",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r44": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "98",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_98_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r45": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "99",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_99&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r46": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "10",
   "Paragraph": "21",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2023-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r47": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "10",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r48": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r49": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r5": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_d_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r50": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r51": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r52": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "12",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r53": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r54": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r55": {
   "Clause": "viii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_viii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r56": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r57": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Paragraph": "73",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r58": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "16",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS16_g73-79_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r59": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "138",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_138&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r6": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r60": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "140",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_140_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r61": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "141",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r62": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "141",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r63": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "141",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r64": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "141",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_g&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r65": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "19",
   "Paragraph": "145",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_145&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r66": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "2",
   "Paragraph": "36",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_36_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r67": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "2",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r68": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "20",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS20_g39-39_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r69": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "21",
   "Paragraph": "52",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2023-en-r&anchor=para_52_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r7": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "106",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_106&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r70": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r71": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r72": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "19",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_19_f&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r73": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "24",
   "Paragraph": "19",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_19&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r74": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "24",
   "Section": "Disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS24_g13-24_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r75": {
   "Clause": "iv",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "26",
   "Paragraph": "35",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2023-en-r&anchor=para_35_b_iv&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r76": {
   "Clause": "viii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "26",
   "Paragraph": "35",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2023-en-r&anchor=para_35_b_viii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r77": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "26",
   "Paragraph": "36",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2023-en-r&anchor=para_36_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r78": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r79": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r8": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "136",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_136&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r80": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r81": {
   "Clause": "i",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_i&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r82": {
   "Clause": "iii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r83": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "27",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r84": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r85": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_67&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r86": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "68",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_68&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r87": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "70",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r88": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "33",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r89": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "33",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r9": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "1",
   "Paragraph": "54",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r90": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "126",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_126&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r91": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "130",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r92": {
   "Clause": "ii",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "130",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_d_ii&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r93": {
   "Clause": "v",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "134",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_d_v&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r94": {
   "Clause": "v",
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Paragraph": "134",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_e_v&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r95": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "36",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS36_g126-137_TI",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r96": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_a&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r97": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_b&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r98": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_c&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  },
  "r99": {
   "IssueDate": "2023-01-01",
   "Name": "IAS",
   "Number": "37",
   "Paragraph": "84",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_d&doctype=Standard",
   "URIDate": "2023-03-23",
   "role": "http://www.xbrl.org/2003/role/disclosureRef"
  }
 },
 "version": "2.2"
}
