Operating Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating lease right-of-use assets	$ 3,930	$ 2,964
Current maturities of operating leases	664	549
Long-term operating leases	3,302	2,440
Total lease liabilities	$ 3,966	$ 2,989
Weighted-average remaining lease term
Operating leases	8 years	9 years
Weighted-average discount rate
Operating leases	6.28%	6.23%