Disposition - Schedule of Major Classes of Assets and Liabilities Classified as Held for Sale (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Investments
Total assets held for sale	$ 3,092	$ 0
Liabilities
Total liabilities held for sale	2,113	$ 0
Disposal Group, Held-for-Sale, Not Discontinued Operations | American Heritage Life Insurance Company and American Heritage Service Company
Investments
Fixed income securities, at fair value (amortized cost, net $1,809)	1,699
Short-term, at fair value (amortized cost $85)	85
Other investments, net	122
Total investments	1,906
Deferred policy acquisitions costs	521
Reinsurance recoverables, net	111
Other assets	554
Total assets held for sale	3,092
Liabilities
Reserve for future policy benefits	1,085
Contractholder funds	890
Other liabilities and accrued expenses	138
Total liabilities held for sale	2,113
Fixed income securities, amortized cost	1,809
Short term, amortized cost	$ 85