Investments - Other Invested Assets – Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jun. 09, 2024
Investments [Line Items]
Total revenues	$ 26,775	$ 27,251	$ 27,938
Income before income taxes	3,096	(1,404)	3,643
Total assets	161,254	161,322
Total liabilities	(120,092)	(118,772)
Equity Method Investee
Investments [Line Items]
Total revenues	20,079	21,860	2,320
Total expenses	(20,386)	(18,557)	(1,668)
Income before income taxes	(307)	3,303	$ 652
Total assets	435,050	418,639
Total liabilities	(402,711)	(383,643)
Corebridge Financial Inc
Investments [Line Items]
Retained investment in Corebridge using fair value option	1,512	3,810		$ 12,409
Equity Method Investments Including Corebridge Financial
Investments [Line Items]
Retained investment in Corebridge using fair value option	$ 3,700	$ 6,600