Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013	Sep. 27, 2013
2012 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Prepaid expenses and other current assets	$ 0		$ 0		$ 0
Other assets	0		0		0
Net receivable	0		0		0
Accrued and other current liabilities	0		0		(33)
Other liabilities	(66)		(66)		(36)
Tax sharing agreement related liabilities	(66)		(66)		(69)
Net liability	(66)		(66)		(69)
(Expense)	0	(1)	(5)	(31)
2007 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Prepaid expenses and other current assets	13		13		0
Other assets	35		35		67
Net receivable	48		48		67
Accrued and other current liabilities	(21)		(21)		(130)
Other liabilities	(194)		(194)		(254)
Tax sharing agreement related liabilities	(215)		(215)		(384)
Net liability	(167)		(167)		(317)
(Expense)	$ 0	$ 0	$ 1	$ 0