Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Operating leases:
Operating lease right-of-use assets	$ 15,944	$ 17,252
Current portion of operating lease liabilities	1,751	1,741
Long-term operating lease liabilities	14,899	16,034
Total operating lease liabilities	16,650	17,775
Finance leases:
Property and equipment, gross	1,587	1,604
Accumulated depreciation	$ (447)	$ (375)
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Property and equipment, net	$ 1,140	$ 1,229
Current portion of long-term debt	65	66
Long-term debt	1,295	1,325
Total finance lease liabilities	$ 1,360	$ 1,391
Weighted average remaining lease term (in years)
Operating leases	10 years 8 months 12 days	11 years 4 months 24 days
Finance leases	16 years 6 months	17 years 3 months 18 days
Weighted average discount rate
Operating leases	4.60%	4.50%
Finance leases	5.10%	5.00%

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Weighted Average Remaining Lease Term [Abstract]

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Present value of lessee's discounted obligation for lease payments from finance lease.

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