Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 28, 2024	Sep. 30, 2023
Deferred tax assets:
Capitalized research and development	$ 10,739	$ 6,294
Tax credit carryforwards	8,856	8,302
Accrued liabilities and other reserves	6,114	6,365
Deferred revenue	3,413	4,571
Lease liabilities	2,410	2,421
Unrealized losses	1,173	2,447
Other	2,168	2,343
Total deferred tax assets	34,873	32,743
Less: Valuation allowance	(8,866)	(8,374)
Total deferred tax assets, net	26,007	24,369
Deferred tax liabilities:
Depreciation	2,551	1,998
Right-of-use assets	2,125	2,179
Minimum tax on foreign earnings	1,674	1,940
Unrealized gains	0	511
Other	455	490
Total deferred tax liabilities	6,805	7,118
Net deferred tax assets	$ 19,202	$ 17,251