SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Allowance for doubtful accounts receivable
Valuation and qualifying accounts.
Balance at Beginning of Year	$ 14	$ 29	$ 26
Additions Charged to Costs and Expenses	2	2	3
Acquisitions, Divestitures and Other	3
Deductions	(1)	(17)
Balance at End of Year	18	14	29
Valuation allowance on deferred tax assets
Valuation and qualifying accounts.
Balance at Beginning of Year	1,706	1,801	1,700
Additions Charged to Costs and Expenses	1,627	285	323
Acquisitions, Divestitures and Other	1
Deductions	(97)	(380)	(222)
Balance at End of Year	$ 3,237	$ 1,706	$ 1,801