Balance Sheet Components - Deferred Revenue (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jan. 31, 2021 |
Jan. 26, 2020 |
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| Movement in Deferred Revenue [Roll Forward] | ||
| Balance at beginning of period | $ 201 | $ 138 |
| Deferred revenue added during the period | 536 | 334 |
| Addition due to business combinations | 75 | 0 |
| Revenue recognized during the period | (361) | (271) |
| Balance at end of period | $ 451 | $ 201 |
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- Definition Contract With Customer Liability, Additions No definition available.
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- Definition Contract With Customer Liability, Revenue Recognized, Opening Balance And Current Period Additions No definition available.
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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