Leases - Lessee Liability Maturity (Details) $ in Millions	Jan. 31, 2024 USD ($)
Operating Leases
2025	$ 2,181
2026	2,107
2027	1,970
2028	1,815
2029	1,645
Thereafter	11,295
Total undiscounted lease obligations	21,013
Less imputed interest	(6,583)
Net lease obligations - operating	14,430
Finance Leases
2025	1,071
2026	1,000
2027	926
2028	823
2029	636
Thereafter	5,850
Total undiscounted lease obligations	10,306
Less imputed interest	(3,872)
Net lease obligations - financing	$ 6,434