XML 138 R123.htm IDEA: XBRL DOCUMENT
v3.25.0.1

BUSINESS SEGMENTS BUSINESS SEGMENTS - NARRATIVE (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 product_line
Segment Reporting [Abstract] |
Number of product lines | 3

X
- Definition Number of Product Lines + References No definition available. + Details
Name: | cno_NumberofProductLines
Namespace Prefix: | cno_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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