Debt - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Debt Instrument [Line Items]
Commercial paper	$ 5,985	$ 9,982
Interest expense on term debt	3,700	2,800	$ 2,600
Level 2
Debt Instrument [Line Items]
Fixed-rate notes, aggregate fair value	90,800	98,800
Commercial paper
Debt Instrument [Line Items]
Commercial paper	$ 6,000	$ 10,000
Commercial paper, general maturity period (less than)	9 months	9 months
Commercial paper, weighted-average interest rate	5.28%	2.31%