Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jul. 29, 2023	Jul. 30, 2022
ASSETS
Allowance for accounts receivable and returns	$ 81	$ 90
Sales-type and direct-financing leases	22	29
Inventory write-downs and capitalization	452	430
Deferred foreign income	218	210
IPR&D and purchased intangible assets	1,082	1,184
Depreciation	16	10
Deferred revenue	1,801	1,744
Credits and net operating loss carryforwards	1,218	1,336
Share-based compensation expense	198	138
Accrued compensation	328	333
Lease liabilities	246	248
Capitalized research expenditures	2,042	149
Other	484	439
Gross deferred tax assets	8,188	6,340
Valuation allowance	(754)	(834)
Total deferred tax assets	7,434	5,506
LIABILITIES
Goodwill and purchased intangible assets	(602)	(767)
Unrealized gains on investments	0	(26)
ROU lease assets	(234)	(237)
Other	(84)	(82)
Total deferred tax liabilities	(920)	(1,112)
Total net deferred tax assets	$ 6,514	$ 4,394

Deferred tax asset, credits and net operating loss carryforwards.

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Deferred Tax Assets, Deferred Expense, Capitalized Research and Development Costs

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-6

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated returns and sales allowances.

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Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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