Debt - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024
Debt Instrument [Line Items]
Commercial paper	$ 7,979	$ 9,967
Level 2
Debt Instrument [Line Items]
Fixed-rate notes, aggregate fair value	80,400	88,400
Commercial paper
Debt Instrument [Line Items]
Commercial paper	$ 8,000	$ 10,000
Commercial paper, general maturity period (less than)	9 months	9 months
Commercial paper, weighted-average interest rate	4.19%	5.00%