Financial Instruments and Fair Value Measurements, Fair Value of Derivative and Location on Consolidated Balance Sheets (Details) - Other Long-Term Liabilities [Member] - USD ($) $ in Millions	Jul. 03, 2021	Sep. 26, 2020
Cross-Currency Swaps [Member] | Designated [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	$ 419	$ 270
Interest Rate Swaps [Member] | Designated [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	92	226
Interest Rate Swaps [Member] | Not Designated [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	$ 53	$ 0