Income Taxes (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 26, 2027	Sep. 28, 2025	Sep. 29, 2024	Sep. 24, 2023
Current provision (benefit):
Federal			$ 1,682	$ 1,306	$ 1,229
State			7	3	10
Foreign	[1]		981	805	491
Current Income tax provision			2,670	2,114	1,730
Deferred (benefit) provision:
Federal			4,373	(1,553)	(1,475)
State			(5)	(4)	(8)
Foreign	[1]		84	(331)	(143)
Deferred provision (benefit)			4,452	(1,888)	(1,626)
Components of income before income taxes
United States			11,174	9,169	6,400
Foreign			1,489	1,167	1,043
Income from continuing operations before income taxes			12,663	10,336	7,443
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Expected income tax provision at federal statutory tax rate			2,659	2,171	1,563
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount (OBBB)			5,724	0	0
Benefit from FDII deduction, excluding the impact of capitalizing research and development expenditures			(735)	(596)	(447)
Benefit from FDII deduction related to capitalizing research and development expenditures			(492)	(585)	(598)
Benefit related to the transfer of intellectual property between foreign subsidiaries			(8)	(317)	0
Benefit related to research and development tax credits			(237)	(259)	(235)
Excess tax (benefit) deficiency associated with share-based awards			(120)	(176)	3
Foreign currency losses (gains) related to Korean withholding tax receivable			98	(21)	(66)
Benefit from fiscal 2021 and 2022 FDII deductions related to a change in sourcing of research and development expenditures			0	0	(126)
Benefit from releasing valuation allowance on unutilized foreign loss carryforwards			0	0	(114)
Other			233	9	124
Income Tax Expense (Benefit)			$ 7,122	$ 226	$ 104
Effective Income Tax Rate Reconciliation, Percent			56.00%	2.00%	1.00%
Income Taxes Receivable, Noncurrent			$ 2,200	$ 2,200
Liability for Uncertainty in Income Taxes, Noncurrent			2,600	2,500
Deferred Tax Assets
Non-current deferred tax assets			743	5,162
Capitalized research and development expenditures			4,194	3,015
Unused tax credits			2,527	2,172
Customer incentives			790	769
Unused net operating losses			708	719
Accrued liabilities and reserves			410	397
Other			1,069	1,039
Total gross deferred tax assets			9,698	8,111
Valuation allowance			(8,016)	(2,061)
Total net deferred tax assets			1,682	6,050
Deferred Tax Liabilities
Intangible assets			(367)	(388)
Operating lease assets			(256)	(248)
Unrealized gains on other investments and marketable securities			(212)	(169)
Other			(235)	(197)
Total deferred tax liabilities			(1,070)	(1,002)
Net deferred tax assets			612	5,048
Changes in the amount of unrecognized tax benefits: [Roll Forward]
Beginning balance of unrecognized tax benefits			2,450	2,296	$ 2,191
Additions based on prior year tax positions			158	2	10
Reductions for prior year tax positions and lapse in statute of limitations			(93)	(1)	(63)
Additions for current year tax positions			153	153	158
Ending balance of unrecognized tax benefits			2,668	2,450	2,296
Unrecognized Tax Benefits that Would Impact Effective Tax Rate			168
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued			384
Income Taxes Receivable			269
Income Taxes Paid, Net [Abstract]
Cash paid for income taxes			3,100	3,300	$ 1,400
U.S. Federal
Deferred Tax Assets
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount			5,700
Other Liabilities
Deferred Tax Liabilities
Non-current deferred tax liabilities (1)	[2]		(131)	(114)
Changes in the amount of unrecognized tax benefits: [Roll Forward]
Ending balance of unrecognized tax benefits			2,300
Assets
Deferred Tax Assets
Non-current deferred tax assets			$ 743	$ 5,162
FDII Effective Tax Rate [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, FDII, Percent			13.00%
Internal Revenue Service (IRS) [Member]
Components of Deferred Tax Assets [Abstract]
Operating Loss Carryforwards			$ 90
Unused Income Tax Credits			$ 363
FDDEI Effective Tax Rate (renamed from FDII)
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Percent			13.00%
FDDEI Effective Tax Rate (renamed from FDII) | Forecast [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Percent		14.00%
FDII Effective Tax Future Rate | Forecast [Member]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Percent		16.00%
Corporate alternative minimum tax
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Effective Income Tax Rate Reconciliation, Percent			15.00%
Foreign Tax Authority [Member]
Deferred Tax Assets
Valuation allowance			$ (133)
Components of Deferred Tax Assets [Abstract]
Operating Loss Carryforwards, Not Subject to Expiration			2,600
Unused Income Tax Credits			64
State and Local Jurisdiction [Member]
Components of Deferred Tax Assets [Abstract]
Operating Loss Carryforwards, Subject to Expiration			790
Unused Income Tax Credits			2,100
Tax credit, Valuation allowance			2,100
Operating losses, Valuation allowance			$ 38
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.