Income Taxes - Additional Information (Details) $ in Millions, € in Billions		3 Months Ended	12 Months Ended
	Aug. 30, 2016 EUR (€) Subsidiary	Sep. 28, 2024 USD ($)	Sep. 28, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 24, 2022 USD ($)	Sep. 28, 2024 EUR (€)	Sep. 25, 2021 USD ($)
Income Tax Contingency [Line Items]
Adjusted recovery amount related to European Commission State Aid Decision		$ 26,601	$ 26,601	$ 8,819
State Aid escrow, marketable securities balance				13,800
One-time income tax charge, net, State Aid Decision, portion payable to Ireland			25,483	8,750	$ 8,996
One-time income tax charge, net, State Aid Decision, U.S. foreign tax credit			(5,571)	(9,445)	(7,890)
Decrease in unrecognized tax benefits, State Aid Decision			1,070	19	28
Foreign pre-tax earnings			$ 77,300	$ 72,900	$ 71,300
U.S. statutory federal income tax rate			21.00%	21.00%	21.00%
Foreign tax credit carryforwards		5,100	$ 5,100
Research and development tax credit carryforwards		3,600	3,600
Gross unrecognized tax benefits		22,038	22,038	$ 19,454	$ 16,758		$ 15,477
Gross unrecognized tax benefits that would impact effective tax rate, if recognized		10,800	10,800	$ 9,500
Minimum
Income Tax Contingency [Line Items]
Reasonably possible decrease in gross unrecognized tax benefits over next 12 months		5,000	5,000
Maximum
Income Tax Contingency [Line Items]
Reasonably possible decrease in gross unrecognized tax benefits over next 12 months		13,000	13,000
Unfavorable investigation outcome, EU State Aid rules
Income Tax Contingency [Line Items]
Number of subsidiaries impacted by the European Commission tax ruling | Subsidiary	2
Maximum potential loss related to European Commission State Aid Decision | €	€ 13.1
Adjusted recovery amount related to European Commission State Aid Decision | €						€ 12.7
State Aid escrow, total balance		15,800	15,800			14.2
State Aid escrow, cash and cash equivalents balance		2,600	2,600
State Aid escrow, marketable securities balance		13,200	$ 13,200
One-time income tax charge, net, State Aid Decision		10,200
One-time income tax charge, net, State Aid Decision, portion payable to Ireland		15,800
One-time income tax charge, net, State Aid Decision, U.S. foreign tax credit		4,800
Decrease in unrecognized tax benefits, State Aid Decision		$ 823
Unfavorable investigation outcome, EU State Aid rules - interest component
Income Tax Contingency [Line Items]
Maximum potential loss related to European Commission State Aid Decision | €	€ 1.2
Adjusted recovery amount related to European Commission State Aid Decision | €						€ 1.2