Leases and Other Commitments - Summary of Maturities of Lease Liabilities (Details) - USD ($) $ in Millions	Jan. 31, 2025	Jan. 31, 2024
Operating Leases
Fiscal 2026	$ 653
Fiscal 2027	564
Fiscal 2028	522
Fiscal 2029	440
Fiscal 2030	297
Thereafter	820
Total minimum lease payments	3,296
Less: Imputed interest	(337)
Total	2,959	$ 3,162
Finance Leases
Fiscal 2026	352
Fiscal 2027	244
Fiscal 2028	71
Fiscal 2029	29
Fiscal 2030	12
Thereafter	0
Total minimum lease payments	708
Less: Imputed interest	(30)
Total	$ 678	$ 974