Debt - Additional Information (Details) - USD ($) $ in Millions	Mar. 29, 2025	Sep. 28, 2024
Debt Instrument [Line Items]
Commercial paper	$ 5,982	$ 9,967
Fixed-rate notes, aggregate carrying amount	92,200	96,700
Commercial paper
Debt Instrument [Line Items]
Commercial paper	6,000	10,000
Level 2
Debt Instrument [Line Items]
Fixed-rate notes, aggregate fair value	$ 80,900	$ 88,400