Leases - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2021 |
Jan. 26, 2020 |
Jan. 27, 2019 |
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| Leases [Abstract] | |||
| Operating lease expense | $ 145 | $ 114 | $ 80 |
| Weighted average remaining lease term - operating leases | 7 years 7 months 6 days | 8 years 3 months 18 days | |
| Weighted average discount rate - operating leases | 2.87% | 3.45% | |
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- References No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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