Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Goodwill And Other Intangible Assets [Abstract]
Estimated period of benefit, minimum (years)	3
Estimated period of benefit, maximum (years)	30
Amortization expense on intangible assets	$ 18	$ 19	$ 10
Estimated amortization expense on intangible assets, Year One	16
Estimated amortization expense on intangible assets, Year Two	16
Estimated amortization expense on intangible assets, Year Three	15
Estimated amortization expense on intangible assets, Year Four	15
Estimated amortization expense on intangible assets, Year Five	$ 14