Investments - Investment Related Gains (Losses) (Details) - Consolidated Entity Excluding Variable Interest Entities (VIE) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Gain (Loss) on Securities [Line Items]
Gross realized gains on investment activity	$ 125	$ 141	$ 192	$ 324
Gross realized losses on investment activity	(218)	(112)	(565)	(216)
Net realized investment gains (losses) on AFS securities	(93)	29	(373)	108
Net recognized investment gains (losses) on trading securities	(33)	(32)	(98)	32
Net recognized investment gains (losses) on equity securities	(12)	(13)	27	(31)
Investment related gains (losses)	(134)	366	1,543	1,431
Derivative gains (losses)	(553)	421	878	1,414
Provision for Loan, Lease, and Other Losses	(90)	(111)	(100)	(177)
Other gains	554	276	1,474	12
Mortgage loans
Gain (Loss) on Securities [Line Items]
Investment related gains (losses)	$ 93	$ (204)	$ (265)	$ 73

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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