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Derivative Instruments - Effect of Derivative Instruments Not Designated as Hedges on Consolidated Statement of Operations (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions | 12 Months Ended
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Jul. 29, 2023 | Jul. 30, 2022 | Jul. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
GAINS (LOSSES) FOR THE YEARS ENDED | $ 72 | $ (320) | $ 179
Foreign currency derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
GAINS (LOSSES) FOR THE YEARS ENDED | $ 1 | $ (237) | $ 2
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income (loss), net | Other income (loss), net | Other income (loss), net
Total return swaps—deferred compensation |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
GAINS (LOSSES) FOR THE YEARS ENDED | $ 58 | $ (92) | $ 157
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Operating Expenses | Operating Expenses | Operating Expenses
Equity derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
GAINS (LOSSES) FOR THE YEARS ENDED | $ 13 | $ 9 | $ 20
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income (loss), net | Other income (loss), net | Other income (loss), net

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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 Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + 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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