Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Current income taxes	$ 1,118	$ 819	$ 498
Deferred income taxes	(524)	(72)	(269)
Total income tax provision (benefit)	$ 594	$ 747	$ 229