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Shareholders' Equity (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
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Jan. 31, 2021 | Jan. 26, 2020 | Jan. 27, 2019
Equity [Abstract] |  |  |
Aggregate number of shares repurchased under stock repurchase program (in shares) | 260 |  |
Aggregated cost of shares repurchased | $ 7,080 |  |
Remaining authorized shares repurchase amount | 7,240 |  |
Dividends paid | $ 395 | $ 390 | $ 371

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- Definition Aggregate number of common stock repurchased under stock repurchase program. + References No definition available. + Details
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- Definition Aggregated cost of shares repurchased + References No definition available. + Details
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- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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