Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Available-for-sale securities, at fair value:
Fixed maturity securities (amortized cost)	$ 104,174	$ 94,295
Fixed maturity, ACL	13	0
Mortgage loans on real estate, fair value	$ 832	$ 0
Stockholders' Equity
Preferred stock - shares authorized (in shares)	10,000,000	10,000,000
Common stock - shares authorized (in shares)	800,000,000	800,000,000
Common stock - shares issued (in shares)	192,329,691	196,668,532
Common stock - shares outstanding (in shares)	192,329,691	196,668,532

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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