Short-term Borrowings and Long-term Debt - Schedule of Debt Maturities (Details) - USD ($) $ in Millions	Jan. 31, 2025	Jan. 31, 2024
Debt Instrument [Line Items]
Total debt	$ 35,999	$ 39,579
Unsecured fixed-rate debt
Debt Instrument [Line Items]
2026	2,598
2027	3,451
2028	1,741
2029	3,340
2030	1,955
Thereafter	22,914
Total debt	$ 35,999

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References + Details