Composition of Certain Financial Statement Items Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 29, 2024	Sep. 24, 2023	Sep. 25, 2022
Other intangible assets
Gross Carrying Amount	$ 2,567	$ 4,362
Accumulated Amortization	$ (1,323)	$ (2,954)
Weighted-average amortization period (years)	9 years	11 years
In-process research and development (IPR&D)	$ 188	$ 435
Amortization of intangible assets	311	418	$ 482
Amortization expense, Fiscal 2025	290
Amortization expense, Fiscal 2026	274
Amortization expense, Fiscal 2027	187
Amortization expense, Fiscal 2028	156
Amortization expense, Fiscal 2029	129
Amortization expense, thereafter	208
Technology-based
Other intangible assets
Gross Carrying Amount	2,498	4,292
Accumulated Amortization	$ (1,275)	$ (2,912)
Weighted-average amortization period (years)	9 years	12 years
Other
Other intangible assets
Gross Carrying Amount	$ 69	$ 70
Accumulated Amortization	$ (48)	$ (42)
Weighted-average amortization period (years)	11 years	11 years