Revenues - Contract Related Assets and Liabilities (Details) - USD ($) $ in Millions |
Oct. 31, 2025 |
Jan. 31, 2025 |
|---|---|---|
| Disaggregation of Revenue [Line Items] | ||
| Allowance for doubtful accounts | $ 3 | $ 3 |
| Receivables, net | ||
| Disaggregation of Revenue [Line Items] | ||
| Billed and billable receivables, net | 554 | 526 |
| Contract assets | 491 | 474 |
| Other assets | ||
| Disaggregation of Revenue [Line Items] | ||
| Contract assets | 16 | 15 |
| Other assets | Unbilled Revenues | ||
| Disaggregation of Revenue [Line Items] | ||
| Contract assets | 16 | 29 |
| Other accrued liabilities | ||
| Disaggregation of Revenue [Line Items] | ||
| Contract liabilities - current | 24 | 38 |
| Other long-term liabilities | ||
| Disaggregation of Revenue [Line Items] | ||
| Contract liabilities - non-current | $ 1 | $ 0 |
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. 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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