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Derivative Instruments - Effect of Derivative Instruments Not Designated as Hedges on Consolidated Statements of Operations (Details) - Derivatives not designated as hedging instruments: - USD ($) $ in Millions | 3 Months Ended
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Oct. 30, 2021 | Oct. 24, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | $ 5 | $ 42
Foreign currency derivatives | Other income (loss), net |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | (20) | 14
Total return swaps—deferred compensation | Operating expenses and other |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | 21 | 23
Equity derivatives | Other income (loss), net |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | $ 4 | $ 5

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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