Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024
Deferred tax assets:
Capitalized research and development	$ 15,041	$ 10,739
Tax credit carryforwards	8,643	8,856
Accrued liabilities and other reserves	6,154	6,114
Deferred revenue	2,953	3,413
Lease liabilities	2,577	2,410
Other	3,049	3,341
Total deferred tax assets	38,417	34,873
Less: Valuation allowance	(10,966)	(8,866)
Total deferred tax assets, net	27,451	26,007
Deferred tax liabilities:
Depreciation	3,276	2,551
Right-of-use assets	2,300	2,125
Minimum tax on foreign earnings	1,217	1,674
Other	678	455
Total deferred tax liabilities	7,471	6,805
Net deferred tax assets	$ 19,980	$ 19,202