Financial Instruments and Fair Value Measurements, Effect of Derivatives on Consolidated Statements of Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Cross-Currency Swaps [Member] | Interest Expense, Net [Member]
Derivative Instruments [Abstract]
Loss (gain) on derivative instruments	$ (1)	$ (1)	$ (3)	$ (3)
Foreign Exchange Forward Contracts [Member] | Other Expense, Net [Member]
Derivative Instruments [Abstract]
Loss (gain) on derivative instruments	0	18	0	18
Interest Rate Swaps [Member] | Interest Expense, Net [Member]
Derivative Instruments [Abstract]
Loss (gain) on derivative instruments	$ 17	$ (5)	$ 34	$ (9)