Composition of Certain Financial Statement Items Other Assets (Details) - USD ($) $ in Millions	Mar. 30, 2025	Sep. 29, 2024
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	$ 2,700	$ 3,000
Other Current Assets
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	1,600	765
Other Assets
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	$ 1,100	$ 2,200