Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Available for sale, fixed maturity securities, allowance for credit losses		$ 0	$ 0
Available for sale, fixed maturity securities, amortized cost		81,464	85,369
Held to maturity, fixed maturity securities, fair value		24,585	26,869
Held-to-maturity, fixed maturity securities, allowance for credit losses		8	8
Commercial mortgage and other loans		12,312	11,786
Commercial mortgage and other loans, allowance for credit losses		158	174
Other investments		$ 3,960	$ 3,842
Common stock, par value (in dollars per share)		$ 0.10	$ 0.10
Common stock, shares authorized (in shares)		1,900,000	1,900,000
Common stock, shares issued (in shares)		1,353,780	1,352,739
Consolidated Entity Excluding Variable Interest Entities (VIE)
Available for sale, fixed maturity securities, allowance for credit losses		$ 0	$ 0
Available for sale, fixed maturity securities, amortized cost		78,241	82,105
Variable Interest Entity, Consolidated
Available for sale, fixed maturity securities, amortized cost	[1]	3,223	3,264
Commercial mortgage and other loans	[1]	10,027	9,740
Other investments	[1],[2]	$ 1,624	$ 1,535

[1] Net of allowance for credit losses

[2] Consists entirely of alternative investments in limited partnerships