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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. 26, 2024 | Oct. 28, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | $ (10) | $ (205)
Foreign currency derivatives |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | (32) | (130)
Total return swaps—deferred compensation |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | 22 | (77)
Equity derivatives |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Total gains (losses) | $ 0 | $ 2

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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 -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
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