Other income and expense (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Equity in net income of partially-owned entities		$ 1,143	$ 967	$ 867
Gains (losses) from fair value changes in separate account assets		96	(8)	(45)
Asset management and performance fee revenue		285	265	136
Asset management and performance fee expense		(171)	(146)	(75)
Federal excise and capital taxes		(24)	(21)	(24)
Other		(32)	(34)	(23)
Total		1,297	1,023	836
Unrealized Gain (Loss) on Investments		2,522	(361)	3,120
Partially-owned Investment Companies
Unrealized Gain (Loss) on Investments		$ 711	$ 537	$ 434
Huatai Group [Member]
Equity in net income of partially-owned entities	$ 36