Costs to Obtain a Contract with a Customer (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Jan. 31, 2026 |
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| Capitalized Contract Cost [Line Items] | |||
| Costs to obtain a contract | $ 820,000,000 | $ 913,000,000 | |
| Current liability | 382,000,000 | $ 550,000,000 | |
| Amortization of costs to obtain a contract with a customer | 172,000,000 | $ 96,000,000 | |
| Impairment losses | 0 | 0 | |
| Revision of Prior Period, Reclassification, Adjustment | |||
| Capitalized Contract Cost [Line Items] | |||
| Amortization of costs to obtain a contract with a customer | $ 172,000,000 | $ 96,000,000 | |
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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