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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - INVESTMENTS IN VARIABLE INTEREST ENTITIES (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Accounting Policies [Abstract] |
Investments held in limited partnerships and hedge funds | $ 446.2
Unfunded commitments to limited partnerships | $ 491.2

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- Definition Investments Held In Limited Partnerships and Hedge Funds + References No definition available. + Details
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- Definition Unfunded Commitments to Limited Partnerships + References No definition available. + Details
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Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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