Condensed Consolidated Balance Sheets Parentheticals - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale, Amortized Cost	$ 40,018	$ 39,533
Debt Securities, Available-for-Sale, Allowance for Credit Loss	17	12
ACL	(111)	(109)
Reinsurance recoverables (net of allowance for uncollectible reinsurance of $105 and $105)	$ (105)	$ (105)
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	13,800,000	13,800,000
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	344,960,228	344,960,228
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Loss	$ 36	$ 36