Cash, Cash Equivalents, Restricted Cash and Borrowings Interest Expense, net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Interest expense	$ (509)	$ (503)	$ (1,538)	$ (1,472)
Interest and investment income	68	111	337	288
Net periodic pension and postretirement benefit costs other than service costs	99	87	302	257
Interest expense, net	$ (342)	$ (305)	$ (899)	$ (927)