Income Taxes (Provision For Income Taxes From Continuing Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Federal Income Tax Expense (Benefit), Continuing Operations	$ 124	$ 188	$ (39)
State and Local Income Tax Expense (Benefit), Continuing Operations	54	34	(38)
Foreign Income Tax Expense (Benefit), Continuing Operations	84	48	48
Income Tax Expense (Benefit)	262	270	(29)
Current Income Tax Expense (Benefit)	338	315	154
Deferred income taxes	$ (76)	$ (45)	$ (183)