Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	Dec. 31, 2022	Oct. 01, 2022
Accounts Receivable, before Allowance for Credit Loss, Current	$ 12,222	$ 10,886
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,193	1,226
Contract with Customer, Asset, Allowance for Credit Loss	(166)	(179)
Contract with Customer, Liability, Current	5,392	5,531
Contract with Customer, Liability, Noncurrent	$ 908	$ 927