Income Taxes - Additional Information (Detail) € in Billions		12 Months Ended
	Aug. 30, 2016 EUR (€) Subsidiary	Sep. 24, 2016 USD ($)	Sep. 26, 2015 USD ($)	Sep. 27, 2014 USD ($)	Sep. 28, 2013 USD ($)
Income Tax Disclosure [Abstract]
Foreign pretax earnings		$ 41,100,000,000	$ 47,600,000,000	$ 33,600,000,000
Statutory tax rate in foreign operations		12.50%
Undistributed earnings of foreign subsidiaries		$ 109,800,000,000
Deferred tax liability related to foreign earnings that may be repatriated		35,900,000,000
Cash, cash equivalents and marketable securities held by foreign subsidiaries		$ 216,000,000,000	$ 186,900,000,000
Reconciliation of provision for income taxes, statutory federal income tax rate		35.00%	35.00%	35.00%
Tax benefits from equity awards		$ 379,000,000	$ 748,000,000	$ 706,000,000
Measurement of tax position, minimum likelihood of tax benefits being realized upon ultimate settlement, percentage		50.00%	50.00%
Gross unrecognized tax benefits		$ 7,724,000,000	$ 6,900,000,000	4,033,000,000	$ 2,714,000,000
Gross unrecognized tax benefits that would affect effective tax rate, if recognized		2,800,000,000	2,500,000,000
Unrecognized tax benefits, gross interest and penalties accrued		1,000,000,000	1,300,000,000
Recognized interest and penalty expense of tax matters		295,000,000	$ 709,000,000	$ 40,000,000
Reasonably possible decrease in gross unrecognized tax benefits over next 12 months, up to		$ 850,000,000
Unfavorable Investigation Outcome, EU State Aid Rules
Loss Contingencies [Line Items]
Number of subsidiaries impacted by the European Commission tax ruling | Subsidiary	2
Maximum potential loss related to European Commission tax ruling | €	€ 13