Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Apr. 27, 2024	Apr. 29, 2023	Apr. 27, 2024	Apr. 29, 2023
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 2,235	$ 3,957	$ 9,838	$ 10,847
Provision for income taxes	$ 349	$ 745	$ 1,680	$ 2,192
Effective tax rate	15.60%	18.80%	17.10%	20.20%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-Topic 280
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Section S99
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details