Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost)	$ 111,354	$ 111,707
Fixed maturity, ACL	25	22
Mortgage loans on real estate, fair value	$ 404	$ 487
Stockholders' Equity
Preferred stock - shares authorized (in shares)	10,000,000	10,000,000
Preferred stock - shares issued (in shares)	40,000	40,000
Preferred stock - shares outstanding (in shares)	40,000	40,000
Common stock - shares authorized (in shares)	800,000,000	800,000,000
Common stock - shares issued (in shares)	169,630,880	169,220,511
Common stock - shares outstanding (in shares)	169,630,880	169,220,511
Series C Preferred Stock [Member]
Stockholders' Equity
Preferred stock - shares authorized (in shares)	20,000	20,000
Preferred stock - shares issued (in shares)	20,000	20,000
Preferred stock - shares outstanding (in shares)	20,000	20,000
Series D Preferred Stock [Member]
Stockholders' Equity
Preferred stock - shares authorized (in shares)	20,000	20,000
Preferred stock - shares issued (in shares)	20,000	20,000
Preferred stock - shares outstanding (in shares)	20,000	20,000