Leases - Lease Cost and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Lease, Cost [Abstract]
Operating lease cost	$ 410	$ 390	$ 356
Short-term lease cost	135	126	127
Total lease cost	545	516	483
Other information:
Operating lease liability principal payments	397	374	339
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 437	$ 327	$ 357
Weighted-average remaining lease term - operating leases (in years)	7 years	7 years
Weighted average discount rate - operating leases	4.50%	4.10%