Derivative Instruments Designated as Cash Flow Hedges - Schedule of Derivative Instruments (Detail) - Interest rate swaps - Interest Rate Swaps - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Oct. 31, 2025 |
Jan. 31, 2025 |
|
| Derivative [Line Items] | ||
| Notional amount | $ 685 | |
| Pay Fixed Rate | 2.96% | |
| Receive Variable Rate | 1-month Term SOFR | |
| Settlement and Termination | Monthly through October 31, 2025 | |
| Asset Fair Value | $ 0 | $ 6 |
| X | ||||||||||
- Definition Derivative contract settlement and termination. No definition available.
|
| X | ||||||||||
- Definition Description of reference rate used for variable rate of debt instrument. No definition available.
|
| X | ||||||||||
- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fixed interest rate related to the interest rate derivative. No definition available.
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Nominal or face amount used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|