Financial Instruments and Fair Value Measurements, Fair Value of Derivative and Location on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 29, 2025	Sep. 28, 2024
Cross-Currency Swaps [Member] \| Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	$ 152	$ 271
Cross-Currency Swaps [Member] \| Not Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	52	0
Interest Rate Swaps [Member] \| Designated [Member] \| Other Long-Term Assets [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	0	0
Interest Rate Swaps [Member] \| Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	37	75
Interest Rate Swaps [Member] \| Not Designated [Member] \| Other Long-Term Assets [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	0	0
Interest Rate Swaps [Member] \| Not Designated [Member] \| Other Long-Term Liabilities [Member]
Derivative Instruments [Abstract]
Fair value of derivative instruments	$ 45	$ 62