Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Available for sale, fixed maturity securities, allowance for credit losses		$ 0	$ 38
Available for sale, fixed maturity securities, amortized cost		85,369	91,630
Held-to-maturity, fixed maturity securities, allowance for credit losses		8	10
Held to maturity, fixed maturity securities, fair value		26,869	30,399
Commercial mortgage and other loans, allowance for credit losses		174	180
Commercial mortgage and other loans		11,786	10,554
Other investments		$ 3,842	$ 2,429
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)		1,352,739	1,351,018
Consolidated Entity Excluding Variable Interest Entities (VIE)
Available for sale, fixed maturity securities, allowance for credit losses		$ 0	$ 38
Available for sale, fixed maturity securities, amortized cost		82,105	88,143
Variable Interest Entity, Consolidated
Available for sale, fixed maturity securities, amortized cost	[1]	3,264	3,487
Commercial mortgage and other loans	[1]	9,740	8,964
Other investments	[1],[2]	$ 1,535	$ 826

[1] Net of allowance for credit losses

[2] Consists entirely of alternative investments in limited partnerships