Income Taxes - Change in Valuation Allowance for Deferred Tax Assets (Details) - Deferred tax asset valuation allowance - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jul. 26, 2025 |
Jul. 27, 2024 |
Jul. 29, 2023 |
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| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance at beginning of fiscal year | $ 1,024 | $ 754 | $ 834 |
| Additions | 33 | 148 | 35 |
| Additions from Splunk | 0 | 147 | 0 |
| Deductions | (4) | (4) | (18) |
| Write-offs | (145) | (20) | (93) |
| Foreign exchange and other | 2 | (1) | (4) |
| Balance at end of fiscal year | $ 910 | $ 1,024 | $ 754 |
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- Definition SEC Schedule, 12-09, Valuation Allowances and Reserves, Write-offs No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in valuation and qualifying accounts and reserves from business combination. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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