Leases and Other Commitments - Components of Lease Expense and Supplemental Cash Flow Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2026 |
Jan. 31, 2025 |
Jan. 31, 2024 |
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| Commitments and Contingencies Disclosure [Abstract] | |||
| Operating lease cost | $ 614 | $ 684 | $ 1,041 |
| Finance lease cost: | |||
| Amortization of right-of-use assets | 375 | 303 | 264 |
| Interest on lease liabilities | 25 | 28 | 29 |
| Total finance lease cost | 400 | 331 | 293 |
| Cash paid for amounts included in the measurement of lease liabilities: | |||
| Operating cash outflows for operating leases | 695 | 628 | 716 |
| Operating cash outflows for finance leases | 25 | 27 | 29 |
| Financing cash outflows for finance leases | 367 | 380 | 347 |
| Right-of-use assets obtained in exchange for lease obligations: | |||
| Operating leases | $ 255 | $ 345 | $ 456 |
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- Definition Cash Flow, Lessee No definition available.
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- Definition Finance Lease, Cost No definition available.
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- Definition Principal Payments, Finance Leases And Finance Obligations No definition available.
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- Definition Right-Of-Use Asset Obtained In Exchange For Lease Liability No definition available.
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- References No definition available.
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- Definition Amount of interest expense on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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