Composition of Certain Financial Statement Items Other Income, Costs and Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Sep. 24, 2023
Restructuring and Restructuring Related Costs
Restructuring Charges	$ 39	$ 107	$ 712
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income	Other expense	Other expense	Other expense
Impaired Intangible Assets
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)			$ 150
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income			Other expense
Securities Class Action
Loss Contingencies
Loss Contingency, Loss in Period		$ 75