XML 136 R121.htm IDEA: XBRL DOCUMENT
v3.25.0.1

STATUTORY INFORMATION (BASED ON NON-GAAP MEASURES) - SCHEDULE OF STATUTORY ACCOUNTING PRACTICES (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Insurance [Abstract] |  |
Statutory capital and surplus | $ 1,458.1 | $ 1,558.9
Asset valuation reserve | 407.1 | 352.5
Interest maintenance reserve | 334.2 | 368.1
Total | $ 2,199.4 | $ 2,279.5

X
- Definition Statutory Accounting Practices, Statutory Asset Valuation Reserve + References No definition available. + Details
Name: | cno_StatutoryAccountingPracticesStatutoryAssetValuationReserve
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Statutory Accounting Practices, Statutory Interest Maintenance Reserve + References No definition available. + Details
Name: | cno_StatutoryAccountingPracticesStatutoryInterestMaintenanceReserve
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Statutory Capital And Surplus Asset Valuation Reserve Interest Maintenance Reserve Total + References No definition available. + Details
Name: | cno_StatutoryCapitalAndSurplusAssetValuationReserveInterestMaintenanceReserveTotal
Namespace Prefix: | cno_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country. + References Reference 1: 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)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-1 + Details
Name: | us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant