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v3.23.2

Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jul. 29, 2023 | Jul. 30, 2022 | Jul. 31, 2021
Operating Loss Carryforwards [Line Items] |  |  |
Decrease in interest expense | $ (427) | $ (360) | $ (434)
Undistributed earnings of certain foreign subsidiaries on which tax is not provided | 6,500 |  |
Unrecognized deferred income tax liability | 681 |  |
Gross reduction in unrecognized tax benefits | 1,063 | 69 | 93
Unrecognized tax benefits that would affect the effective tax rate if realized | 1,700 |  |
Net interest expense recognized on unrecognized tax benefits | 27 | 33 | 74
Accrual for interest and penalties | 523 | $ 486 | $ 444
Unrecognized tax benefit that could be reduced in next 12 months | 350 |  |
Tax credit carryforward, valuation allowance | 594 |  |
Settled Litigation | Internal Revenue Service (IRS) |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net benefit | 145 |  |
Decrease in interest expense | 53 |  |
Gross reduction in unrecognized tax benefits | 1,100 |  |
Decrease in accrued interest | 69 |  |
Domestic Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 320 |  |
Tax credit carryforward | 5 |  |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 879 |  |
Operating loss carryforwards, valuation allowance | 10 |  |
Tax credit carryforward | 1,600 |  |
Foreign Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 524 |  |
Operating loss carryforwards, valuation allowance | 82 |  |
Tax credit carryforward | $ 2 |  |

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