Other income and expense (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity in net income of partially-owned entities		$ 867	$ 1	$ 2,435
Gains (losses) from fair value changes in separate account assets	[1]	(45)	(42)	(8)
Federal excise and capital taxes		(24)	(21)	(19)
Other		(23)	(27)	(41)
Total		836	(89)	2,367
Unrealized Gain (Loss) on Investments		3,120	(9,535)	(2,417)
Asset management and performance fee revenue		136	0	0
Asset management and performance fee expense		(75)	0	0
Partially-owned Investment Companies
Unrealized Gain (Loss) on Investments		434	(219)	2,004
Huatai Group [Member]
Equity in net income of partially-owned entities		$ 36	$ (11)	$ 235

[1] Related to gains (losses) from fair value changes in separate account assets that do not qualify for separate account reporting under U.S. GAAP.