Borrowings Commercial Paper Activity (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 01, 2022	Oct. 02, 2021
Commercial Paper Rollforward [Line Items]
Beginning Balance		$ 1,992	$ 2,023
Additions		2,467	2,221
Payments		(2,801)	(2,247)
Other Activity		4	(5)
Ending Balance		1,662	1,992
Commercial Paper with original maturities less that three months
Commercial Paper Rollforward [Line Items]
Beginning Balance		0	0
Additions	[1]	50	0
Payments	[1]	0
Other Activity		0	0
Ending Balance		50	0
Commercial paper with original maturities greater than three months
Commercial Paper Rollforward [Line Items]
Beginning Balance		1,992	2,023
Additions		2,417	2,221
Payments		(2,801)	(2,247)
Other Activity		4	(5)
Ending Balance		$ 1,612	$ 1,992

[1] Borrowings and reductions of borrowings are reported net.