Condensed Consolidated Balance Sheets Parentheticals - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale, Amortized Cost	$ 41,317	$ 41,561
Fixed maturities, available-for-sale, at fair value (amortized cost of $41,317 and $41,561, and ACL of $19 and $23)	19	23
ACL	(144)	(152)
Reinsurance recoverables (net of allowance for uncollectible reinsurance of $98 and $108)	$ (42)	$ (55)
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	384,923,222	384,923,222
Treasury Stock, Shares	27,406,740	26,434,682
Uncollectible reinsurance
Reinsurance recoverables (net of allowance for uncollectible reinsurance of $98 and $108)	$ (98)	$ (108)
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Loss	$ 34	$ 38