Composition of Certain Financial Statement Items Other Assets (Details) - USD ($) $ in Millions	Jun. 29, 2025	Sep. 29, 2024
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	$ 2,400	$ 3,000
Other Current Assets
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	1,900	765
Other Assets
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	$ 557	$ 2,200