Composition of Certain Financial Statement Items Other Assets (Details) - USD ($) $ in Millions	Mar. 29, 2026	Sep. 28, 2025
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	$ 782	$ 1,900
Other Current Assets
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	469	1,500
Other Assets
Long-Term Purchase Commitment [Line Items]
Advance payment related to multi-year capacity commitments	$ 313	$ 357