3.22.4 html 715 727 1 true 221 0 false 17 false false R1.htm 0000001 - Document - Cover Page Sheet http://www.cnoinc.com/role/CoverPage Cover Page Cover 1 false false R2.htm 0000002 - Document - Audit Information Sheet http://www.cnoinc.com/role/AuditInformation Audit Information Cover 2 false false R3.htm 0000003 - Statement - CONSOLIDATED BALANCE SHEET Sheet http://www.cnoinc.com/role/CONSOLIDATEDBALANCESHEET CONSOLIDATED BALANCE SHEET Statements 3 false false R4.htm 0000004 - Statement - CONSOLIDATED BALANCE SHEET (Parenthetical) Sheet http://www.cnoinc.com/role/CONSOLIDATEDBALANCESHEETParenthetical CONSOLIDATED BALANCE SHEET (Parenthetical) Statements 4 false false R5.htm 0000005 - Statement - CONSOLIDATED STATEMENT OF OPERATIONS Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFOPERATIONS CONSOLIDATED STATEMENT OF OPERATIONS Statements 5 false false R6.htm 0000006 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFCOMPREHENSIVEINCOME CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME Statements 6 false false R7.htm 0000007 - Statement - CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFSHAREHOLDERSEQUITY CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY Statements 7 false false R8.htm 0000008 - Statement - CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Parentheticals) Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFSHAREHOLDERSEQUITYParentheticals CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Parentheticals) Statements 8 false false R9.htm 0000009 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFCASHFLOWS CONSOLIDATED STATEMENT OF CASH FLOWS Statements 9 false false R10.htm 0000010 - Disclosure - BUSINESS AND BASIS OF PRESENTATION Sheet http://www.cnoinc.com/role/BUSINESSANDBASISOFPRESENTATION BUSINESS AND BASIS OF PRESENTATION Notes 10 false false R11.htm 0000011 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 11 false false R12.htm 0000012 - Disclosure - INVESTMENTS Sheet http://www.cnoinc.com/role/INVESTMENTS INVESTMENTS Notes 12 false false R13.htm 0000013 - Disclosure - FAIR VALUE MEASUREMENTS Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTS FAIR VALUE MEASUREMENTS Notes 13 false false R14.htm 0000014 - Disclosure - LIABILITIES FOR INSURANCE PRODUCTS Sheet http://www.cnoinc.com/role/LIABILITIESFORINSURANCEPRODUCTS LIABILITIES FOR INSURANCE PRODUCTS Notes 14 false false R15.htm 0000015 - Disclosure - INCOME TAXES Sheet http://www.cnoinc.com/role/INCOMETAXES INCOME TAXES Notes 15 false false R16.htm 0000016 - Disclosure - NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS Notes http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONS NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS Notes 16 false false R17.htm 0000017 - Disclosure - LITIGATION AND OTHER LEGAL PROCEEDINGS Sheet http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGS LITIGATION AND OTHER LEGAL PROCEEDINGS Notes 17 false false R18.htm 0000018 - Disclosure - AGENT DEFERRED COMPENSATION PLAN Sheet http://www.cnoinc.com/role/AGENTDEFERREDCOMPENSATIONPLAN AGENT DEFERRED COMPENSATION PLAN Notes 18 false false R19.htm 0000019 - Disclosure - DERIVATIVES Sheet http://www.cnoinc.com/role/DERIVATIVES DERIVATIVES Notes 19 false false R20.htm 0000020 - Disclosure - SHAREHOLDERS' EQUITY Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITY SHAREHOLDERS' EQUITY Notes 20 false false R21.htm 0000021 - Disclosure - OTHER OPERATING STATEMENT DATA Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATA OTHER OPERATING STATEMENT DATA Notes 21 false false R22.htm 0000022 - Disclosure - CONSOLIDATED STATEMENT OF CASH FLOWS Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFCASHFLOWS_1 CONSOLIDATED STATEMENT OF CASH FLOWS Notes 22 false false R23.htm 0000023 - Disclosure - STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) Sheet http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURES STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) Notes 23 false false R24.htm 0000024 - Disclosure - BUSINESS SEGMENTS Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTS BUSINESS SEGMENTS Notes 24 false false R25.htm 0000025 - Disclosure - QUARTERLY FINANCIAL DATA (UNAUDITED) Sheet http://www.cnoinc.com/role/QUARTERLYFINANCIALDATAUNAUDITED QUARTERLY FINANCIAL DATA (UNAUDITED) Notes 25 false false R26.htm 0000026 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIES INVESTMENTS IN VARIABLE INTEREST ENTITIES Notes 26 false false R27.htm 0000027 - Disclosure - SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) Sheet http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompany SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) Notes 27 false false R28.htm 0000028 - Disclosure - SCHEDULE IV - REINSURANCE Sheet http://www.cnoinc.com/role/SCHEDULEIVREINSURANCE SCHEDULE IV - REINSURANCE Notes 28 false false R29.htm 0000029 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 29 false false R30.htm 0000030 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES 30 false false R31.htm 0000031 - Disclosure - INVESTMENTS (Tables) Sheet http://www.cnoinc.com/role/INVESTMENTSTables INVESTMENTS (Tables) Tables http://www.cnoinc.com/role/INVESTMENTS 31 false false R32.htm 0000032 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSTables FAIR VALUE MEASUREMENTS (Tables) Tables http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTS 32 false false R33.htm 0000033 - Disclosure - LIABILITIES FOR INSURANCE PRODUCTS (Tables) Sheet http://www.cnoinc.com/role/LIABILITIESFORINSURANCEPRODUCTSTables LIABILITIES FOR INSURANCE PRODUCTS (Tables) Tables http://www.cnoinc.com/role/LIABILITIESFORINSURANCEPRODUCTS 33 false false R34.htm 0000034 - Disclosure - INCOME TAXES (Tables) Sheet http://www.cnoinc.com/role/INCOMETAXESTables INCOME TAXES (Tables) Tables http://www.cnoinc.com/role/INCOMETAXES 34 false false R35.htm 0000035 - Disclosure - NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS (Tables) Notes http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONSTables NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS (Tables) Tables http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONS 35 false false R36.htm 0000036 - Disclosure - LITIGATION AND OTHER LEGAL PROCEEDINGS (Tables) Sheet http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGSTables LITIGATION AND OTHER LEGAL PROCEEDINGS (Tables) Tables http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGS 36 false false R37.htm 0000037 - Disclosure - AGENT DEFERRED COMPENSATION PLAN (Tables) Sheet http://www.cnoinc.com/role/AGENTDEFERREDCOMPENSATIONPLANTables AGENT DEFERRED COMPENSATION PLAN (Tables) Tables http://www.cnoinc.com/role/AGENTDEFERREDCOMPENSATIONPLAN 37 false false R38.htm 0000038 - Disclosure - DERIVATIVES (Tables) Sheet http://www.cnoinc.com/role/DERIVATIVESTables DERIVATIVES (Tables) Tables http://www.cnoinc.com/role/DERIVATIVES 38 false false R39.htm 0000039 - Disclosure - SHAREHOLDERS' EQUITY (Tables) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYTables SHAREHOLDERS' EQUITY (Tables) Tables http://www.cnoinc.com/role/SHAREHOLDERSEQUITY 39 false false R40.htm 0000040 - Disclosure - OTHER OPERATING STATEMENT DATA (Tables) Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATATables OTHER OPERATING STATEMENT DATA (Tables) Tables http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATA 40 false false R41.htm 0000041 - Disclosure - CONSOLIDATED STATEMENT OF CASH FLOWS (Tables) Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFCASHFLOWSTables CONSOLIDATED STATEMENT OF CASH FLOWS (Tables) Tables http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFCASHFLOWS_1 41 false false R42.htm 0000042 - Disclosure - STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) (Tables) Sheet http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURESTables STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) (Tables) Tables http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURES 42 false false R43.htm 0000043 - Disclosure - BUSINESS SEGMENTS (Tables) Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTSTables BUSINESS SEGMENTS (Tables) Tables http://www.cnoinc.com/role/BUSINESSSEGMENTS 43 false false R44.htm 0000044 - Disclosure - QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables) Sheet http://www.cnoinc.com/role/QUARTERLYFINANCIALDATAUNAUDITEDTables QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables) Tables http://www.cnoinc.com/role/QUARTERLYFINANCIALDATAUNAUDITED 44 false false R45.htm 0000045 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES (Tables) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESTables INVESTMENTS IN VARIABLE INTEREST ENTITIES (Tables) Tables http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIES 45 false false R46.htm 0000046 - Disclosure - BUSINESS AND BASIS OF PRESENTATION (Details) Sheet http://www.cnoinc.com/role/BUSINESSANDBASISOFPRESENTATIONDetails BUSINESS AND BASIS OF PRESENTATION (Details) Details http://www.cnoinc.com/role/BUSINESSANDBASISOFPRESENTATION 46 false false R47.htm 0000047 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PRESENT VALUE OF FUTURE PROFITS (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPRESENTVALUEOFFUTUREPROFITSDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PRESENT VALUE OF FUTURE PROFITS (Details) Details 47 false false R48.htm 0000048 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - REINSURANCE (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESREINSURANCEDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - REINSURANCE (Details) Details 48 false false R49.htm 0000049 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - INVESTMENTS IN VARIABLE INTEREST ENTITIES (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESINVESTMENTSINVARIABLEINTERESTENTITIESDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - INVESTMENTS IN VARIABLE INTEREST ENTITIES (Details) Details 49 false false R50.htm 0000050 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - INVESTMENT BORROWINGS (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESINVESTMENTBORROWINGSDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - INVESTMENT BORROWINGS (Details) Details 50 false false R51.htm 0000051 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SALES INDUCEMENTS (NARRATIVE) (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSALESINDUCEMENTSNARRATIVEDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SALES INDUCEMENTS (NARRATIVE) (Details) Details 51 false false R52.htm 0000052 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - RECENTLY ISSUED ACCOUNTING STANDARDS (NARRATIVE) (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRECENTLYISSUEDACCOUNTINGSTANDARDSNARRATIVEDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - RECENTLY ISSUED ACCOUNTING STANDARDS (NARRATIVE) (Details) Details 52 false false R53.htm 0000053 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - IMPACT OF ADOPTION (Details) Sheet http://www.cnoinc.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESIMPACTOFADOPTIONDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - IMPACT OF ADOPTION (Details) Details 53 false false R54.htm 0000054 - Disclosure - INVESTMENTS - SCHEDULE OF FIXED MATURITIES AVAILABLE FOR SALE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFFIXEDMATURITIESAVAILABLEFORSALEDetails INVESTMENTS - SCHEDULE OF FIXED MATURITIES AVAILABLE FOR SALE (Details) Details 54 false false R55.htm 0000055 - Disclosure - INVESTMENTS - SUMMARY OF FIXED MATURITY SECURITIES AVAILABLE FOR SALE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSUMMARYOFFIXEDMATURITYSECURITIESAVAILABLEFORSALEDetails INVESTMENTS - SUMMARY OF FIXED MATURITY SECURITIES AVAILABLE FOR SALE (Details) Details 55 false false R56.htm 0000056 - Disclosure - INVESTMENTS - SCHEDULE OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSDetails INVESTMENTS - SCHEDULE OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) Details 56 false false R57.htm 0000057 - Disclosure - INVESTMENTS - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSNARRATIVEDetails INVESTMENTS - NARRATIVE (Details) Details 57 false false R58.htm 0000058 - Disclosure - INVESTMENTS - SCHEDULE OF INVESTMENTS CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFINVESTMENTSCLASSIFIEDBYCONTRACTUALMATURITYDATEDetails INVESTMENTS - SCHEDULE OF INVESTMENTS CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Details 58 false false R59.htm 0000059 - Disclosure - INVESTMENTS - SCHEDULE OF INVESTMENT INCOME (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFINVESTMENTINCOMEDetails INVESTMENTS - SCHEDULE OF INVESTMENT INCOME (Details) Details 59 false false R60.htm 0000060 - Disclosure - INVESTMENTS - SCHEDULE OF REALIZED GAIN (LOSS) ON INVESTMENTS (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFREALIZEDGAINLOSSONINVESTMENTSDetails INVESTMENTS - SCHEDULE OF REALIZED GAIN (LOSS) ON INVESTMENTS (Details) Details 60 false false R61.htm 0000061 - Disclosure - INVESTMENTS - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF AMORTIZED COST PRIOR TO SALE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFINVESTMENTSINOURPORTFOLIOWHICHHAVEBEENCONTINUOUSLYINANUNREALIZEDLOSSPOSITIONEXCEEDING20OFAMORTIZEDCOSTPRIORTOSALEDetails INVESTMENTS - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF AMORTIZED COST PRIOR TO SALE (Details) Details 61 false false R62.htm 0000062 - Disclosure - INVESTMENTS - SCHEDULE OF INVESTMENTS WITH UNREALIZED LOSSES CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFINVESTMENTSWITHUNREALIZEDLOSSESCLASSIFIEDBYCONTRACTUALMATURITYDATEDetails INVESTMENTS - SCHEDULE OF INVESTMENTS WITH UNREALIZED LOSSES CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Details 62 false false R63.htm 0000063 - Disclosure - INVESTMENTS - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO RATED BELOW-INVESTMENT GRADE WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF THE COST BASIS (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFINVESTMENTSINOURPORTFOLIORATEDBELOWINVESTMENTGRADEWHICHHAVEBEENCONTINUOUSLYINANUNREALIZEDLOSSPOSITIONEXCEEDING20OFTHECOSTBASISDetails INVESTMENTS - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO RATED BELOW-INVESTMENT GRADE WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF THE COST BASIS (Details) Details 63 false false R64.htm 0000064 - Disclosure - INVESTMENTS - SCHEDULE OF UNREALIZED LOSS ON INVESTMENTS (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFUNREALIZEDLOSSONINVESTMENTSDetails INVESTMENTS - SCHEDULE OF UNREALIZED LOSS ON INVESTMENTS (Details) Details 64 false false R65.htm 0000065 - Disclosure - INVESTMENTS - SUMMARY OF CHANGES IN THE ALLOWANCE FOR CURRENT EXPECTED CREDIT LOSSES (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSUMMARYOFCHANGESINTHEALLOWANCEFORCURRENTEXPECTEDCREDITLOSSESDetails INVESTMENTS - SUMMARY OF CHANGES IN THE ALLOWANCE FOR CURRENT EXPECTED CREDIT LOSSES (Details) Details 65 false false R66.htm 0000066 - Disclosure - INVESTMENTS - SCHEDULE OF STRUCTURED SECURITIES (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSCHEDULEOFSTRUCTUREDSECURITIESDetails INVESTMENTS - SCHEDULE OF STRUCTURED SECURITIES (Details) Details 66 false false R67.htm 0000067 - Disclosure - INVESTMENTS - SUMMARY OF WEIGHTED AVERAGE LOAN-TO-VALUE RATIO FOR OUTSTANDING MORTGAGE LOANS (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSUMMARYOFWEIGHTEDAVERAGELOANTOVALUERATIOFOROUTSTANDINGMORTGAGELOANSDetails INVESTMENTS - SUMMARY OF WEIGHTED AVERAGE LOAN-TO-VALUE RATIO FOR OUTSTANDING MORTGAGE LOANS (Details) Details 67 false false R68.htm 0000068 - Disclosure - INVESTMENTS - SUMMARY OF CHANGES IN THE ALLOWANCE FOR CURRENT EXPECTED CREDIT LOSSES RELATED TO MORTGAGE LOANS (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSSUMMARYOFCHANGESINTHEALLOWANCEFORCURRENTEXPECTEDCREDITLOSSESRELATEDTOMORTGAGELOANSDetails INVESTMENTS - SUMMARY OF CHANGES IN THE ALLOWANCE FOR CURRENT EXPECTED CREDIT LOSSES RELATED TO MORTGAGE LOANS (Details) Details 68 false false R69.htm 0000069 - Disclosure - FAIR VALUE MEASUREMENTS - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSNARRATIVEDetails FAIR VALUE MEASUREMENTS - NARRATIVE (Details) Details 69 false false R70.htm 0000070 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS MEASURED ON A RECURRING BASIS - SECURITIES (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSMEASUREDONARECURRINGBASISSECURITIESDetails FAIR VALUE MEASUREMENTS - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS MEASURED ON A RECURRING BASIS - SECURITIES (Details) Details 70 false false R71.htm 0000071 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS MEASURED ON A RECURRING BASIS - FINANCIAL INSTRUMENTS (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSMEASUREDONARECURRINGBASISFINANCIALINSTRUMENTSDetails FAIR VALUE MEASUREMENTS - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS MEASURED ON A RECURRING BASIS - FINANCIAL INSTRUMENTS (Details) Details 71 false false R72.htm 0000072 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE ASSETS AND LIABILITIES MEASURED ON A RECURRING BASIS, UNOBSERVABLE INPUT RECONCILIATION (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEASSETSANDLIABILITIESMEASUREDONARECURRINGBASISUNOBSERVABLEINPUTRECONCILIATIONDetails FAIR VALUE MEASUREMENTS - FAIR VALUE ASSETS AND LIABILITIES MEASURED ON A RECURRING BASIS, UNOBSERVABLE INPUT RECONCILIATION (Details) Details 72 false false R73.htm 0000073 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE ASSETS AND LIABILITIES MEASURED ON A RECURRING BASIS, UNOBSERVABLE INPUT RECONCILIATION - ACTIVITY (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEASSETSANDLIABILITIESMEASUREDONARECURRINGBASISUNOBSERVABLEINPUTRECONCILIATIONACTIVITYDetails FAIR VALUE MEASUREMENTS - FAIR VALUE ASSETS AND LIABILITIES MEASURED ON A RECURRING BASIS, UNOBSERVABLE INPUT RECONCILIATION - ACTIVITY (Details) Details 73 false false R74.htm 0000074 - Disclosure - FAIR VALUE MEASUREMENTS - CHANGES IN VALUE OF EMBEDDED DERIVATIVES (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSCHANGESINVALUEOFEMBEDDEDDERIVATIVESDetails FAIR VALUE MEASUREMENTS - CHANGES IN VALUE OF EMBEDDED DERIVATIVES (Details) Details 74 false false R75.htm 0000075 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE INPUTS (Details) Sheet http://www.cnoinc.com/role/FAIRVALUEMEASUREMENTSFAIRVALUEINPUTSDetails FAIR VALUE MEASUREMENTS - FAIR VALUE INPUTS (Details) Details 75 false false R76.htm 0000076 - Disclosure - LIABILITIES FOR INSURANCE PRODUCTS - SCHEDULE OF INSURANCE LIABILITIES BY PRODUCT SEGMENT (Details) Sheet http://www.cnoinc.com/role/LIABILITIESFORINSURANCEPRODUCTSSCHEDULEOFINSURANCELIABILITIESBYPRODUCTSEGMENTDetails LIABILITIES FOR INSURANCE PRODUCTS - SCHEDULE OF INSURANCE LIABILITIES BY PRODUCT SEGMENT (Details) Details 76 false false R77.htm 0000077 - Disclosure - LIABILITIES FOR INSURANCE PRODUCTS - SUMMARY OF LIABILITIES FOR UNPAID CLAIMS ADJUSTMENT EXPENSE (Details) Sheet http://www.cnoinc.com/role/LIABILITIESFORINSURANCEPRODUCTSSUMMARYOFLIABILITIESFORUNPAIDCLAIMSADJUSTMENTEXPENSEDetails LIABILITIES FOR INSURANCE PRODUCTS - SUMMARY OF LIABILITIES FOR UNPAID CLAIMS ADJUSTMENT EXPENSE (Details) Details 77 false false R78.htm 0000078 - Disclosure - INCOME TAXES - SCHEDULE OF COMPONENTS OF INCOME TAX EXPENSE (Details) Sheet http://www.cnoinc.com/role/INCOMETAXESSCHEDULEOFCOMPONENTSOFINCOMETAXEXPENSEDetails INCOME TAXES - SCHEDULE OF COMPONENTS OF INCOME TAX EXPENSE (Details) Details 78 false false R79.htm 0000079 - Disclosure - INCOME TAXES - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/INCOMETAXESNARRATIVEDetails INCOME TAXES - NARRATIVE (Details) Details 79 false false R80.htm 0000080 - Disclosure - INCOME TAXES - SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION (Details) Sheet http://www.cnoinc.com/role/INCOMETAXESSCHEDULEOFEFFECTIVEINCOMETAXRATERECONCILIATIONDetails INCOME TAXES - SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION (Details) Details 80 false false R81.htm 0000081 - Disclosure - INCOME TAXES - SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES (Details) Sheet http://www.cnoinc.com/role/INCOMETAXESSCHEDULEOFDEFERREDTAXASSETSANDLIABILITIESDetails INCOME TAXES - SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES (Details) Details 81 false false R82.htm 0000082 - Disclosure - INCOME TAXES - SUMMARY OF OPERATING LOSS CARRYFORWARDS (Details) Sheet http://www.cnoinc.com/role/INCOMETAXESSUMMARYOFOPERATINGLOSSCARRYFORWARDSDetails INCOME TAXES - SUMMARY OF OPERATING LOSS CARRYFORWARDS (Details) Details 82 false false R83.htm 0000083 - Disclosure - NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - SCHEDULE OF LONG-TERM DEBT INSTRUMENTS (Details) Notes http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONSSCHEDULEOFLONGTERMDEBTINSTRUMENTSDetails NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - SCHEDULE OF LONG-TERM DEBT INSTRUMENTS (Details) Details 83 false false R84.htm 0000084 - Disclosure - NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - NARRATIVE (Details) Notes http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONSNARRATIVEDetails NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - NARRATIVE (Details) Details 84 false false R85.htm 0000085 - Disclosure - NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - REVOLVING CREDIT AGREEMENT (Details) Notes http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONSREVOLVINGCREDITAGREEMENTDetails NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - REVOLVING CREDIT AGREEMENT (Details) Details 85 false false R86.htm 0000086 - Disclosure - NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - SCHEDULE OF MATURITIES OF LONG-TERM DEBT (Details) Notes http://www.cnoinc.com/role/NOTESPAYABLEDIRECTCORPORATEOBLIGATIONSSCHEDULEOFMATURITIESOFLONGTERMDEBTDetails NOTES PAYABLE - DIRECT CORPORATE OBLIGATIONS - SCHEDULE OF MATURITIES OF LONG-TERM DEBT (Details) Details 86 false false R87.htm 0000087 - Disclosure - LITIGATION AND OTHER LEGAL PROCEEDINGS - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGSNARRATIVEDetails LITIGATION AND OTHER LEGAL PROCEEDINGS - NARRATIVE (Details) Details 87 false false R88.htm 0000088 - Disclosure - LITIGATION AND OTHER LEGAL PROCEEDINGS - INFORMATION RELATED TO RIGHT TO USE ASSETS (Details) Sheet http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGSINFORMATIONRELATEDTORIGHTTOUSEASSETSDetails LITIGATION AND OTHER LEGAL PROCEEDINGS - INFORMATION RELATED TO RIGHT TO USE ASSETS (Details) Details 88 false false R89.htm 0000089 - Disclosure - LITIGATION AND OTHER LEGAL PROCEEDINGS - SCHEDULE OF FUTURE MINIMUM RENTAL PAYMENTS FOR OPERATING LEASES (Details) Sheet http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGSSCHEDULEOFFUTUREMINIMUMRENTALPAYMENTSFOROPERATINGLEASESDetails LITIGATION AND OTHER LEGAL PROCEEDINGS - SCHEDULE OF FUTURE MINIMUM RENTAL PAYMENTS FOR OPERATING LEASES (Details) Details 89 false false R90.htm 0000090 - Disclosure - LITIGATION AND OTHER LEGAL PROCEEDINGS - WEIGHTED AVERAGE INFORMATION (Details) Sheet http://www.cnoinc.com/role/LITIGATIONANDOTHERLEGALPROCEEDINGSWEIGHTEDAVERAGEINFORMATIONDetails LITIGATION AND OTHER LEGAL PROCEEDINGS - WEIGHTED AVERAGE INFORMATION (Details) Details 90 false false R91.htm 0000091 - Disclosure - AGENT DEFERRED COMPENSATION PLAN - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/AGENTDEFERREDCOMPENSATIONPLANNARRATIVEDetails AGENT DEFERRED COMPENSATION PLAN - NARRATIVE (Details) Details 91 false false R92.htm 0000092 - Disclosure - AGENT DEFERRED COMPENSATION PLAN - SCHEDULE OF ASSUMPTIONS USED (Details) Sheet http://www.cnoinc.com/role/AGENTDEFERREDCOMPENSATIONPLANSCHEDULEOFASSUMPTIONSUSEDDetails AGENT DEFERRED COMPENSATION PLAN - SCHEDULE OF ASSUMPTIONS USED (Details) Details 92 false false R93.htm 0000093 - Disclosure - AGENT DEFERRED COMPENSATION PLAN - SCHEDULE OF EXPECTED BENEFIT PAYMENTS (Details) Sheet http://www.cnoinc.com/role/AGENTDEFERREDCOMPENSATIONPLANSCHEDULEOFEXPECTEDBENEFITPAYMENTSDetails AGENT DEFERRED COMPENSATION PLAN - SCHEDULE OF EXPECTED BENEFIT PAYMENTS (Details) Details 93 false false R94.htm 0000094 - Disclosure - DERIVATIVES - FAIR VALUE BY BALANCE SHEET LOCATION (Details) Sheet http://www.cnoinc.com/role/DERIVATIVESFAIRVALUEBYBALANCESHEETLOCATIONDetails DERIVATIVES - FAIR VALUE BY BALANCE SHEET LOCATION (Details) Details 94 false false R95.htm 0000095 - Disclosure - DERIVATIVES - SCHEDULE OF DERIVATIVE INSTRUMENTS (Details) Sheet http://www.cnoinc.com/role/DERIVATIVESSCHEDULEOFDERIVATIVEINSTRUMENTSDetails DERIVATIVES - SCHEDULE OF DERIVATIVE INSTRUMENTS (Details) Details 95 false false R96.htm 0000096 - Disclosure - DERIVATIVES - SCHEDULE PRE-TAX GAINS (LOSSES) RECOGNIZED IN NET REVENUES FOR DERIVATIVE INSTRUMENTS (Details) Sheet http://www.cnoinc.com/role/DERIVATIVESSCHEDULEPRETAXGAINSLOSSESRECOGNIZEDINNETREVENUESFORDERIVATIVEINSTRUMENTSDetails DERIVATIVES - SCHEDULE PRE-TAX GAINS (LOSSES) RECOGNIZED IN NET REVENUES FOR DERIVATIVE INSTRUMENTS (Details) Details 96 false false R97.htm 0000097 - Disclosure - DERIVATIVES - DERIVATIVES WITH MASTER NETTING ARRANGEMENTS (Details) Sheet http://www.cnoinc.com/role/DERIVATIVESDERIVATIVESWITHMASTERNETTINGARRANGEMENTSDetails DERIVATIVES - DERIVATIVES WITH MASTER NETTING ARRANGEMENTS (Details) Details 97 false false R98.htm 0000098 - Disclosure - SHAREHOLDERS' EQUITY - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYNARRATIVEDetails SHAREHOLDERS' EQUITY - NARRATIVE (Details) Details 98 false false R99.htm 0000099 - Disclosure - SHAREHOLDERS' EQUITY - SCHEDULE OF SHARE-BASED COMPENSATION (Details) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYSCHEDULEOFSHAREBASEDCOMPENSATIONDetails SHAREHOLDERS' EQUITY - SCHEDULE OF SHARE-BASED COMPENSATION (Details) Details 99 false false R100.htm 0000100 - Disclosure - SHAREHOLDERS' EQUITY - SCHEDULE OF SHARE-BASED COMPENSATION BY EXERCISE PRICE RANGE (Details) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYSCHEDULEOFSHAREBASEDCOMPENSATIONBYEXERCISEPRICERANGEDetails SHAREHOLDERS' EQUITY - SCHEDULE OF SHARE-BASED COMPENSATION BY EXERCISE PRICE RANGE (Details) Details 100 false false R101.htm 0000101 - Disclosure - SHAREHOLDERS' EQUITY - SCHEDULE OF NONVESTED SHARE ACTIVITY (Details) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYSCHEDULEOFNONVESTEDSHAREACTIVITYDetails SHAREHOLDERS' EQUITY - SCHEDULE OF NONVESTED SHARE ACTIVITY (Details) Details 101 false false R102.htm 0000102 - Disclosure - SHAREHOLDERS' EQUITY - SCHEDULE OF PERFORMANCE SHARE-BASED COMPENSATION (Details) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYSCHEDULEOFPERFORMANCESHAREBASEDCOMPENSATIONDetails SHAREHOLDERS' EQUITY - SCHEDULE OF PERFORMANCE SHARE-BASED COMPENSATION (Details) Details 102 false false R103.htm 0000103 - Disclosure - SHAREHOLDERS' EQUITY - SCHEDULE OF EARNINGS PER SHARE RECONCILIATION (Details) Sheet http://www.cnoinc.com/role/SHAREHOLDERSEQUITYSCHEDULEOFEARNINGSPERSHARERECONCILIATIONDetails SHAREHOLDERS' EQUITY - SCHEDULE OF EARNINGS PER SHARE RECONCILIATION (Details) Details 103 false false R104.htm 0000104 - Disclosure - OTHER OPERATING STATEMENT DATA - SCHEDULE OF INSURANCE POLICY INCOME (Details) Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATASCHEDULEOFINSURANCEPOLICYINCOMEDetails OTHER OPERATING STATEMENT DATA - SCHEDULE OF INSURANCE POLICY INCOME (Details) Details 104 false false R105.htm 0000105 - Disclosure - OTHER OPERATING STATEMENT DATA - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATANARRATIVEDetails OTHER OPERATING STATEMENT DATA - NARRATIVE (Details) Details 105 false false R106.htm 0000106 - Disclosure - OTHER OPERATING STATEMENT DATA - SCHEDULE OF OTHER OPERATING COST AND EXPENSE (Details) Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATASCHEDULEOFOTHEROPERATINGCOSTANDEXPENSEDetails OTHER OPERATING STATEMENT DATA - SCHEDULE OF OTHER OPERATING COST AND EXPENSE (Details) Details 106 false false R107.htm 0000107 - Disclosure - OTHER OPERATING STATEMENT DATA - SCHEDULE OF CHANGES IN DEFERRED ACQUISITION COSTS (Details) Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATASCHEDULEOFCHANGESINDEFERREDACQUISITIONCOSTSDetails OTHER OPERATING STATEMENT DATA - SCHEDULE OF CHANGES IN DEFERRED ACQUISITION COSTS (Details) Details 107 false false R108.htm 0000108 - Disclosure - OTHER OPERATING STATEMENT DATA - SCHEDULE OF CHANGES IN PRESENT VALUE OF FUTURE INSURANCE PROFITS (Details) Sheet http://www.cnoinc.com/role/OTHEROPERATINGSTATEMENTDATASCHEDULEOFCHANGESINPRESENTVALUEOFFUTUREINSURANCEPROFITSDetails OTHER OPERATING STATEMENT DATA - SCHEDULE OF CHANGES IN PRESENT VALUE OF FUTURE INSURANCE PROFITS (Details) Details 108 false false R109.htm 0000109 - Disclosure - CONSOLIDATED STATEMENT OF CASH FLOWS - SCHEDULE OF THE RECONCILIATION FOR NET INCOME PROVIDED BY OPERATING ACTIVITIES (Details) Sheet http://www.cnoinc.com/role/CONSOLIDATEDSTATEMENTOFCASHFLOWSSCHEDULEOFTHERECONCILIATIONFORNETINCOMEPROVIDEDBYOPERATINGACTIVITIESDetails CONSOLIDATED STATEMENT OF CASH FLOWS - SCHEDULE OF THE RECONCILIATION FOR NET INCOME PROVIDED BY OPERATING ACTIVITIES (Details) Details 109 false false R110.htm 0000110 - Disclosure - STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) - SCHEDULE OF STATUTORY ACCOUNTING PRACTICES (Details) Sheet http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURESSCHEDULEOFSTATUTORYACCOUNTINGPRACTICESDetails STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) - SCHEDULE OF STATUTORY ACCOUNTING PRACTICES (Details) Details http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURESTables 110 false false R111.htm 0000111 - Disclosure - STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURESNARRATIVEDetails STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) - NARRATIVE (Details) Details http://www.cnoinc.com/role/STATUTORYINFORMATIONBASEDONNONGAAPMEASURESTables 111 false false R112.htm 0000112 - Disclosure - BUSINESS SEGMENTS BUSINESS SEGMENTS - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTSBUSINESSSEGMENTSNARRATIVEDetails BUSINESS SEGMENTS BUSINESS SEGMENTS - NARRATIVE (Details) Details 112 false false R113.htm 0000113 - Disclosure - BUSINESS SEGMENTS - SCHEDULE OF SEGMENT REPORTING INFORMATION BY SEGMENT (Details) Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTSSCHEDULEOFSEGMENTREPORTINGINFORMATIONBYSEGMENTDetails BUSINESS SEGMENTS - SCHEDULE OF SEGMENT REPORTING INFORMATION BY SEGMENT (Details) Details 113 false false R114.htm 0000114 - Disclosure - BUSINESS SEGMENTS - RECONCILIATION OF OPERATING PROFIT (LOSS) FROM SEGMENTS TO CONSOLIDATED (Details) Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTSRECONCILIATIONOFOPERATINGPROFITLOSSFROMSEGMENTSTOCONSOLIDATEDDetails BUSINESS SEGMENTS - RECONCILIATION OF OPERATING PROFIT (LOSS) FROM SEGMENTS TO CONSOLIDATED (Details) Details 114 false false R115.htm 0000115 - Disclosure - BUSINESS SEGMENTS - SCHEDULE OF BALANCE SHEET INFORMATION, BY SEGMENT (Details) Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTSSCHEDULEOFBALANCESHEETINFORMATIONBYSEGMENTDetails BUSINESS SEGMENTS - SCHEDULE OF BALANCE SHEET INFORMATION, BY SEGMENT (Details) Details 115 false false R116.htm 0000116 - Disclosure - BUSINESS SEGMENTS - SCHEDULE OF SELECTED FINANCIAL INFORMATION, BY SEGMENT (Details) Sheet http://www.cnoinc.com/role/BUSINESSSEGMENTSSCHEDULEOFSELECTEDFINANCIALINFORMATIONBYSEGMENTDetails BUSINESS SEGMENTS - SCHEDULE OF SELECTED FINANCIAL INFORMATION, BY SEGMENT (Details) Details 116 false false R117.htm 0000117 - Disclosure - QUARTERLY FINANCIAL DATA (UNAUDITED) - SCHEDULE OF QUARTERLY FINANCIAL INFORMATION (Details) Sheet http://www.cnoinc.com/role/QUARTERLYFINANCIALDATAUNAUDITEDSCHEDULEOFQUARTERLYFINANCIALINFORMATIONDetails QUARTERLY FINANCIAL DATA (UNAUDITED) - SCHEDULE OF QUARTERLY FINANCIAL INFORMATION (Details) Details http://www.cnoinc.com/role/QUARTERLYFINANCIALDATAUNAUDITEDTables 117 false false R118.htm 0000118 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - NARRATIVE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESNARRATIVEDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - NARRATIVE (Details) Details 118 false false R119.htm 0000119 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF IMPACT ON BALANCE SHEET OF CONSOLIDATING VARIABLE INTEREST ENTITIES (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESSCHEDULEOFIMPACTONBALANCESHEETOFCONSOLIDATINGVARIABLEINTERESTENTITIESDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF IMPACT ON BALANCE SHEET OF CONSOLIDATING VARIABLE INTEREST ENTITIES (Details) Details 119 false false R120.htm 0000120 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - SUPPLEMENTAL INFORMATION, REVENUES AND EXPENSES OF VARIABLE INTEREST ENTITIES (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESSUPPLEMENTALINFORMATIONREVENUESANDEXPENSESOFVARIABLEINTERESTENTITIESDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - SUPPLEMENTAL INFORMATION, REVENUES AND EXPENSES OF VARIABLE INTEREST ENTITIES (Details) Details 120 false false R121.htm 0000121 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - ALLOWANCE FOR CREDIT LOSSES (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESALLOWANCEFORCREDITLOSSESDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - ALLOWANCE FOR CREDIT LOSSES (Details) Details 121 false false R122.htm 0000122 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESSCHEDULEOFINVESTMENTSCLASSIFIEDBYCONTRACTUALMATURITYDATEDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Details 122 false false R123.htm 0000123 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS WITH UNREALIZED LOSSES CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESSCHEDULEOFINVESTMENTSWITHUNREALIZEDLOSSESCLASSIFIEDBYCONTRACTUALMATURITYDATEDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS WITH UNREALIZED LOSSES CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) Details 123 false false R124.htm 0000124 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF AMORTIZED COST PRIOR TO SALE (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESSCHEDULEOFINVESTMENTSINOURPORTFOLIOWHICHHAVEBEENCONTINUOUSLYINANUNREALIZEDLOSSPOSITIONEXCEEDING20OFAMORTIZEDCOSTPRIORTOSALEDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF AMORTIZED COST PRIOR TO SALE (Details) Details 124 false false R125.htm 0000125 - Disclosure - INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO RATED BELOW-INVESTMENT GRADE WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF THE COST BASIS (Details) Sheet http://www.cnoinc.com/role/INVESTMENTSINVARIABLEINTERESTENTITIESSCHEDULEOFINVESTMENTSINOURPORTFOLIORATEDBELOWINVESTMENTGRADEWHICHHAVEBEENCONTINUOUSLYINANUNREALIZEDLOSSPOSITIONEXCEEDING20OFTHECOSTBASISDetails INVESTMENTS IN VARIABLE INTEREST ENTITIES - SCHEDULE OF INVESTMENTS IN OUR PORTFOLIO RATED BELOW-INVESTMENT GRADE WHICH HAVE BEEN CONTINUOUSLY IN AN UNREALIZED LOSS POSITION EXCEEDING 20% OF THE COST BASIS (Details) Details 125 false false R126.htm 0000126 - Disclosure - SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Balance Sheet (Details) Sheet http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompanyBalanceSheetDetails SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Balance Sheet (Details) Details http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompany 126 false false R127.htm 0000127 - Disclosure - SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Balance Sheet (Parenthetical) (Details) Sheet http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompanyBalanceSheetParentheticalDetails SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Balance Sheet (Parenthetical) (Details) Details http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompany 127 false false R128.htm 0000128 - Disclosure - SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Statement of Operations (Details) Sheet http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompanyStatementofOperationsDetails SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Statement of Operations (Details) Details http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompany 128 false false R129.htm 0000129 - Disclosure - SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Statement of Cash Flows (Details) Sheet http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompanyStatementofCashFlowsDetails SCHEDULE II - Condensed Financial Information of Registrant (Parent Company) - Statement of Cash Flows (Details) Details http://www.cnoinc.com/role/SCHEDULEIICondensedFinancialInformationofRegistrantParentCompany 129 false false R130.htm 0000130 - Disclosure - SCHEDULE IV - REINSURANCE (Details) Sheet http://www.cnoinc.com/role/SCHEDULEIVREINSURANCEDetails SCHEDULE IV - REINSURANCE (Details) Details http://www.cnoinc.com/role/SCHEDULEIVREINSURANCE 130 false false R9999.htm Uncategorized Items - cno-20221231.htm Sheet http://xbrl.sec.gov/role/uncategorizedFacts Uncategorized Items - cno-20221231.htm Cover 131 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 3 fact(s) appearing in ix:hidden were eligible for transformation: cno:DeferredCompensationArrangementwithIndividualVestingPeriod, cno:OperatingLossCarryforwardLimitationNumberOfSharesPurchasedByEachRight, cno:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod - cno-20221231.htm 4 cno-20221231.htm cno-20221231.xsd cno-20221231_cal.xml cno-20221231_def.xml cno-20221231_lab.xml cno-20221231_pre.xml cno12312022ex21.htm cno12312022ex231.htm cno12312022ex311.htm cno12312022ex312.htm cno12312022ex321.htm cno12312022ex322.htm cno-20221231_g1.jpg http://fasb.org/srt/2022 http://fasb.org/us-gaap/2022 http://xbrl.sec.gov/dei/2022 true true