Financial Instruments and Fair Value Measurements, Fair Value of Derivative and Location on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 30, 2024	Sep. 30, 2023
Cross-Currency Swaps [Member] \| Designated [Member] \| Other Current Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	$ 104	$ 66
Cross-Currency Swaps [Member] \| Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	58	19
Interest Rate Swaps [Member] \| Designated [Member] \| Other Assets [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	2	36
Interest Rate Swaps [Member] \| Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	34	0
Interest Rate Swaps [Member] \| Not Designated [Member] \| Other Assets [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	0	8
Interest Rate Swaps [Member] \| Not Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	$ 81	$ 104