Condensed Consolidated Balance Sheets Parentheticals - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale, Amortized Cost	$ 46,051	$ 44,538
Debt Securities, Available-for-Sale, Allowance for Credit Loss	14	16
ACL	(138)	(117)
Reinsurance recoverables (net of allowance for uncollectible reinsurance of $76 and $75)	$ (76)	$ (75)
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	50,000,000	50,000,000
Preferred Stock, Shares Issued	13,800	13,800
Preferred Stock, Liquidation Preference, Value	$ 345	$ 345
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,500,000,000	1,500,000,000
Common Stock, Shares, Issued	326,960,228	326,960,228
Treasury Stock, Common, Shares	47,325,787	39,404,003
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Loss	$ 49	$ 44