Comprehensive Income (Loss) (Components Of Other Comprehensive Income (Loss)) (Details) (USD $) In Millions	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Comprehensive Income (Loss) [Abstract]
Net hedging gain (loss) reclassified to earnings, Before Tax	$ (25)	$ 7	$ 61
Net hedging gain (loss) reclassified to earnings, Income Tax	10	(1)	(25)
Net hedging gain (loss) reclassified to earnings, After Tax	(15)	6	36
Net hedging unrealized gain (loss), Before Tax	4	7	(53)
Net hedging unrealized gain (loss), Income Tax	(6)	(1)	23
Net hedging unrealized gain (loss), After Tax	(2)	6	(30)
Loss on investments reclassified to other income, Before Tax			4
Loss on investments reclassified to other income, Income Tax			(1)
Loss on investments reclassified to other income, After Tax			3
Unrealized gain (loss) on investments, Before Tax	(12)		12
Unrealized gain (loss) on investments, Income Tax	4		(5)
Unrealized gain (loss) on investments, After Tax	(8)		7
Currency translation adjustment gain reclassified to loss from discontinued operation, Before Tax			(41)
Currency translation adjustment gain reclassified to loss from discontinued operation, Tax Effect			0
Currency translation adjustment gain reclassified to loss from discontinued operation, After Tax			(41)
Currency translation adjustment, Before Tax	(42)	27	(43)
Currency translation adjustment, Income Tax	1	0	3
Currency translation adjustment, After Tax	(41)	27	(40)
Net change in postretirement liabilities, Before Tax	(21)	(6)	(11)
Net change in postretirement liabilities, Income Tax	8	1	1
Net change in postretirement liabilities, After Tax	(13)	(5)	(10)
Other comprehensive income (loss), Before Tax	(96)	35	(71)
Other comprehensive income (loss), Income Tax	17	(1)	(4)
Other comprehensive income (loss), After Tax	$ (79)	$ 34	$ (75)