Leases - Lease Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating and short-term lease cost	$ 384	$ 348	$ 368
Finance lease cost:
Amortization of right-of-use assets	23	25	24
Interest on lease liability	10	11	12
Total finance lease cost	33	36	36
Total lease cost	$ 417	$ 384	$ 404