Income Taxes - Income Tax Expense (Benefit) by Current and Deferred (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Federal and foreign
Current	$ 432	$ 514	$ 553
Deferred	19	6	17
State and local
Current	107	137	129
Deferred	3	14	10
Income tax expense	$ 561	$ 671	$ 709