Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Apr. 28, 2019 |
Apr. 29, 2018 |
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| Income Tax Disclosure [Abstract] | ||
| Income tax expense (benefit) | $ (5) | $ 67 |
| Tax expense (benefit) as percentage of income before income tax (as percent) | (1.30%) | 5.10% |
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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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