Income Taxes (Details) - USD ($) $ in Millions			12 Months Ended
		Sep. 28, 2026	Sep. 29, 2024	Sep. 24, 2023	Sep. 25, 2022
Current provision (benefit):
Federal			$ 1,306	$ 1,229	$ 1,114
State			3	10	1
Foreign	[1]		805	491	906
Current Income tax provision			2,114	1,730	2,021
Deferred (benefit) provision:
Federal			(1,553)	(1,475)	(34)
State			(4)	(8)	15
Foreign	[1]		(331)	(143)	10
Deferred provision (benefit)			(1,888)	(1,626)	(9)
Components of income before income taxes
United States			9,169	6,400	12,537
Foreign			1,167	1,043	2,461
Income from continuing operations before income taxes			10,336	7,443	14,998
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Expected income tax provision at federal statutory tax rate			2,171	1,563	3,150
Benefit from FDII deduction, excluding the impact of capitalizing research and development expenditures			(596)	(447)	(753)
Benefit from FDII deduction related to capitalizing research and development expenditures			(585)	(598)	0
Benefit related to the transfer of intellectual property between foreign subsidiaries			(317)	0	0
Benefit related to research and development tax credits			(259)	(235)	(224)
Excess tax (benefit) deficiency associated with share-based awards			(176)	3	(257)
Foreign currency (gains) losses related to Korean withholding tax receivable			(21)	(66)	243
Benefit from fiscal 2021 and 2022 FDII deductions related to a change in sourcing of research and development expenditures			0	(126)	0
Benefit from releasing valuation allowance on unutilized foreign loss carryforwards			0	(114)	0
Nontaxable reversal of 2018 EC fine			0	0	(224)
Other			9	124	77
Income Tax Expense (Benefit)			$ 226	$ 104	$ 2,012
Effective Income Tax Rate Reconciliation, Percent			2.00%	1.00%	13.00%
Income Taxes Receivable, Noncurrent			$ 2,200	$ 2,000
Liability for Uncertainty in Income Taxes, Noncurrent			2,500	2,300
Accrued Income Taxes, Current			1,080	1,717
Deferred Tax Assets
Capitalized research and development expenditures			3,015	1,490
Unused tax credits			2,172	1,819
Customer incentives			769	659
Unused net operating losses			719	364
Accrued liabilities and reserves			397	401
Operating lease liabilities			282	216
Share-based compensation			152	285
Unrealized losses on other investments and marketable securities			146	159
Other			459	409
Total gross deferred tax assets			8,111	5,802
Valuation allowance			(2,061)	(1,803)
Total net deferred tax assets			6,050	3,999
Deferred Tax Liabilities
Intangible assets			(388)	(335)
Operating lease assets			(248)	(194)
Unrealized gains on other investments and marketable securities			(169)	(101)
Other			(197)	(170)
Total deferred tax liabilities			(1,002)	(800)
Net deferred tax assets			5,048	3,199
Non-current deferred tax assets			5,162	3,310
Changes in the amount of unrecognized tax benefits: [Roll Forward]
Beginning balance of unrecognized tax benefits			2,296	2,191	$ 2,136
Additions based on prior year tax positions			2	10	58
Reductions for prior year tax positions and lapse in statute of limitations			(1)	(63)	(136)
Additions for current year tax positions			153	158	184
Settlements with taxing authorities			0	0	(51)
Ending balance of unrecognized tax benefits			2,450	2,296	2,191
Unrecognized Tax Benefits that Would Impact Effective Tax Rate			91
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued			250
Income Taxes Receivable			181
Income Taxes Paid, Net [Abstract]
Cash paid for income taxes			3,300	1,400	$ 2,100
Other Liabilities [Member]
Deferred Tax Liabilities
Non-current deferred tax liabilities (1)	[2]		(114)	$ (111)
Changes in the amount of unrecognized tax benefits: [Roll Forward]
Ending balance of unrecognized tax benefits			$ 2,300
FDII Effective Tax Rate [Member]
Income Taxes Paid, Net [Abstract]
Effective Income Tax Rate Reconciliation, FDII, Percent			13.00%
U.S. Tax Cuts and Jobs Act Effective 2018 [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Accrued Income Taxes, Current			$ 530
Accrued Income Taxes			1,000
Internal Revenue Service (IRS) [Member]
Components of Deferred Tax Assets [Abstract]
Operating Loss Carryforwards			150
Operating Loss Carryforwards, Subject to Expiration			102
Operating Loss Carryforwards, Not Subject to Expiration			48
Unused Income Tax Credits			219
FDII Tax Rate Effective 2027 | Forecast [Member]
Income Taxes Paid, Net [Abstract]
Effective Income Tax Rate Reconciliation, FDII, Percent		16.00%
Foreign Tax Authority [Member]
Deferred Tax Assets
Valuation allowance			(121)
Components of Deferred Tax Assets [Abstract]
Operating Loss Carryforwards, Not Subject to Expiration			2,600
Unused Income Tax Credits			92
State and Local Jurisdiction [Member]
Components of Deferred Tax Assets [Abstract]
Operating Loss Carryforwards, Subject to Expiration			817
Unused Income Tax Credits			1,900
Tax credit, Valuation allowance			1,900
Operating losses, Valuation allowance			$ 41
Internal Revenue Service (IRS) [Member] | FDII Effective Tax Rate [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Percent			21.00%

[1] The foreign component of the income tax provision included foreign withholding taxes on royalty revenues included in U.S. earnings.

[2] Non-current deferred tax liabilities were included in other liabilities in the consolidated balance sheets.