Leases - Schedule of Information Related to Our Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jan. 31, 2026 |
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| Leases [Abstract] | |||
| Cash paid for operating lease liabilities | $ 74 | $ 64 | |
| Operating lease right-of-use assets obtained in exchange for new operating lease liabilities | $ 28 | $ 434 | |
| Weighted average remaining lease term (in years) | 11 years | 11 years | |
| Weighted average discount rate | 4.20% | 4.20% | |
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- References No definition available.
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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 Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/2009/role/commonPracticeRef
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