Financial Instruments and Fair Value Measurements, Effect of Derivatives on Consolidated Statements of Income (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Cross-Currency Swaps [Member] | Interest Expense [Member]
Derivative Instruments [Abstract]
Loss (gain) on derivative instruments	$ (4)	$ (10)
Cross-Currency Swaps [Member] | Other Expense (Income) [Member]
Derivative Instruments [Abstract]
Loss (gain) on derivative instruments	(26)	0
Interest Rate Swaps [Member]
Derivative Instruments [Abstract]
Loss (gain) on derivative instruments	$ (6)	$ (21)
Loss (Gain) on Derivative Instruments, Statement of Income [Extensible Enumeration]	Interest Income (Expense), Nonoperating	Interest Income (Expense), Nonoperating