Cash, Cash Equivalents, Restricted Cash and Borrowings Interest Expense, net (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Interest expense	$ (487)	$ (528)
Interest and investment income	54	182
Net periodic pension and postretirement benefit costs other than service costs	66	100
Interest expense, net	$ (367)	$ (246)