Leases, Remaining Minimum Lease Payments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Operating Leases
2025	$ 417
2026	288
2027	155
2028	91
2029	60
Thereafter	337
Total undiscounted lease payments	1,348
Less: Amount associated with discounting	271
Total lease liabilities	1,077	$ 1,113
Finance Leases
2025	353
2026	325
2027	294
2028	292
2029	263
Thereafter	1,836
Total undiscounted lease payments	3,363
Less: Amount associated with discounting	985
Total lease liabilities	$ 2,378	$ 2,306