XML 101 R88.htm IDEA: XBRL DOCUMENT
v3.25.2

SHAREHOLDERS' EQUITY - SCHEDULE OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Equity [Abstract] |  |
Net unrealized losses on investments having no allowance for credit losses | $ (836.1) | $ (1,281.6)
Unrealized losses on investments with an allowance for credit losses | (1,308.5) | (1,108.7)
Change in discount rates for liability for future policy benefits | 529.4 | 624.5
Change in instrument-specific credit risk for market risk benefits | 2.0 | 1.4
Deferred income tax assets | 360.5 | 393.0
Accumulated other comprehensive loss | $ (1,252.7) | $ (1,371.4)

X
- Definition Accumulated Other Comprehensive Income (Loss), Changed in instrument Specific Credit Risk For Market Risk Benefits + References No definition available. + Details
Name: | cno_AccumulatedOtherComprehensiveIncomeLossChangedInInstrumentSpecificCreditRiskForMarketRiskBenefits
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Other Comprehensive Income (Loss), Changes in Discount Rate for Liability for Future Policy Benefit + References No definition available. + Details
Name: | cno_AccumulatedOtherComprehensiveIncomeLossChangesInDiscountRateForLiabilityForFuturePolicyBenefit
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Other Comprehensive Income (Loss), Deferred Income Tax Liabilities + References No definition available. + Details
Name: | cno_AccumulatedOtherComprehensiveIncomeLossDeferredIncomeTaxLiabilities
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Other Comprehensive Income (Loss), Net Unrealized Appreciation On Investments Having No Allowance For Credit Losses + References No definition available. + Details
Name: | cno_AccumulatedOtherComprehensiveIncomeLossNetUnrealizedAppreciationOnInvestmentsHavingNoAllowanceForCreditLosses
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Other Comprehensive Income (Loss), Net Unrealized Appreciation On Investments With Allowance For Credit Losses + References No definition available. + Details
Name: | cno_AccumulatedOtherComprehensiveIncomeLossNetUnrealizedAppreciationOnInvestmentsWithAllowanceForCreditLosses
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (h)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14 + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration