Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jul. 27, 2024	Jul. 29, 2023
ASSETS
Allowance for accounts receivable and returns	$ 94	$ 81
Sales-type and direct-financing leases	23	22
Inventory write-downs and capitalization	530	452
Deferred foreign income	277	218
IPR&D and purchased intangible assets	1,039	1,082
Depreciation	184	16
Deferred revenue	2,034	1,801
Credits and net operating loss carryforwards	1,863	1,218
Share-based compensation expense	297	198
Accrued compensation	275	328
Lease liabilities	308	246
Capitalized research expenditures	3,030	2,042
Other	442	484
Gross deferred tax assets	10,396	8,188
Valuation allowance	(1,024)	(754)
Total deferred tax assets	9,372	7,434
LIABILITIES
Goodwill and purchased intangible assets	(2,808)	(602)
ROU lease assets	(259)	(234)
Other	(119)	(84)
Total deferred tax liabilities	(3,186)	(920)
Total net deferred tax assets	$ 6,186	$ 6,514