Disposition - Schedule of Major Classes of Assets and Liabilities Classified as Held for Sale (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Investments
Total assets held for sale	$ 3,163	$ 0
Liabilities
Total liabilities held for sale	2,164	$ 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 $1,691)	1,641
Equity securities, at fair value (cost $1)	1
Short-term, at fair value (amortized cost $76)	76
Other investments, net	121
Total investments	1,839
Cash	114
Deferred policy acquisitions costs	516
Reinsurance recoverables, net	117
Other assets	577
Total assets held for sale	3,163
Liabilities
Reserve for future policy benefits	1,141
Contractholder funds	891
Other liabilities and accrued expenses	132
Total liabilities held for sale	2,164
Fixed income securities, amortized cost	1,691
Equity securities, cost	1
Short term, amortized cost	$ 76