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Disposition - Narrative (Details) - Disposal Group, Held-for-Sale, Not Discontinued Operations - American Heritage Life Insurance Company and American Heritage Service Company - USD ($)
$ in Millions
12 Months Ended
Aug. 13, 2024
Dec. 31, 2024
Business Acquisition [Line Items]    
Proceeds from disposal $ 2,000  
Premiums and contract charges   $ 985
Adjusted net income (loss) by segment, after-tax   85
Accumulated other comprehensive loss   $ (72)