Income Tax (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2022 |
Oct. 31, 2021 |
Oct. 31, 2022 |
Oct. 31, 2021 |
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| Income Tax Disclosure [Abstract] | ||||
| Provision for income tax expense (benefit) | $ 44 | $ 51 | $ 139 | $ 50 |
| (Loss) income before income taxes | 242 | $ 188 | 669 | $ 458 |
| Unrecognized tax benefits | 213 | 213 | ||
| Unrecognized tax benefits that would reduce the valuation allowance if recognized | 35 | 35 | ||
| Amount of gross unrecognized tax benefits that would impact the effective tax rate, if recognized | $ 178 | 178 | ||
| Decrease in unrecognized tax benefits | $ 8 | |||
| X | ||||||||||
- Definition Unrecognized Tax Benefits that Would Impact The Valuation Allowance No definition available.
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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