Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Fixed maturity securities, available-for-sale, allowance for credit losses		$ 0	$ 0
Fixed maturity securities, available-for-sale, amortized cost		67,594	70,689
Fixed maturity securities, held-to-maturity, allowance for credit losses		5	5
Fixed maturity securities, held-to-maturity, fair value		18,245	19,657
Commercial mortgage and other loans, allowance for credit losses		232	274
Commercial mortgage and other loans		12,360	12,527
Other investments		$ 6,677	$ 4,530
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)		1,356,480	1,355,398
Consolidated Entity Excluding Variable Interest Entities (VIE)
Fixed maturity securities, available-for-sale, allowance for credit losses		$ 0	$ 0
Fixed maturity securities, available-for-sale, amortized cost		64,838	67,807
Variable Interest Entity, Consolidated
Fixed maturity securities, available-for-sale, amortized cost		2,756	2,882
Commercial mortgage and other loans		9,947	10,150
Other investments	[1]	$ 2,443	$ 2,381

[1] Consists entirely of alternative investments in limited partnerships