Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	Jan. 01, 2022	Oct. 02, 2021
Contract with Customer, Asset, before Allowance for Credit Loss	$ 142	$ 155
Accounts Receivable, before Allowance for Credit Loss, Current	12,649	11,190
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,341	1,359
Contract with Customer, Asset, Allowance for Credit Loss	(199)	(194)
Contract with Customer, Liability, Current	4,278	4,067
Contract with Customer, Liability, Noncurrent	$ 575	$ 581