XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.23.3

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Liabilities for Insurance Products Related to Fixed Indexed Annuity (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Policyholder Account Balance [Line Items] |  |
Total fixed indexed annuity insurance liabilities | $ 9,497.9 | $ 9,153.4
Fixed Indexed Annuity |  |
Policyholder Account Balance [Line Items] |  |
Host contract liability | 8,284.5 | 7,856.4
Embedded derivatives at fair value | $ 1,213.4 | $ 1,297.0

X
- Definition Fixed Indexed Annuity Insurance Liabilities + References No definition available. + Details
Name: | cno_FixedIndexedAnnuityInsuranceLiabilities
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Host Contract Liability + References No definition available. + Details
Name: | cno_HostContractLiability
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B + Details
Name: | us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A + Details
Name: | us-gaap_PolicyholderAccountBalanceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=cno_FixedIndexedAnnuityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |