Investments - Other Invested Assets – Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments [Line Items]
Total revenues	$ 7,177	$ 6,751	$ 6,560	$ 6,763	$ 6,526	$ 7,267	$ 7,436	$ 6,709	$ 27,251	$ 27,938	$ 29,996
Income before income taxes	898	$ 459	$ (3,977)	$ 1,216	93	$ 2,027	$ 1,493	$ 30	(1,404)	3,643	10,227
Total assets	161,322				539,306				161,322	539,306
Total liabilities	(118,772)				(488,005)				(118,772)	(488,005)
Equity Method Investee
Investments [Line Items]
Retained investment in Corebridge using fair value option	6,600				3,000				6,600	3,000
Total revenues									21,860	2,320	6,486
Total expenses									(18,557)	(1,668)	(1,832)
Income before income taxes									3,303	652	$ 4,654
Total assets	418,639				28,264				418,639	28,264
Total liabilities	$ (383,643)				$ (5,196)				$ (383,643)	$ (5,196)