Income Taxes - Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current income tax expense (benefit)
U.S. federal	$ (525)	$ 341	$ 342
U.S. state and local	102	144	85
Non-U.S.	146	91	80
Total current income tax expense (benefit)	(277)	576	507
Deferred income tax expense (benefit)
U.S. federal	994	112	322
U.S. state and local	45	24	85
Non-U.S.	22	28	77
Total deferred income tax expense (benefit)	1,061	165	484
Total income tax provision (benefit)	$ 784	$ 741	$ 992