Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012	Sep. 28, 2012
2007 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Prepaid expenses and other current assets	$ 0		$ 0		$ 9
Other assets	67		67		66
Net receivable	67		67		75
Accrued and other current liabilities	(130)		(130)		(14)
Other liabilities	(254)		(254)		(394)
Tax sharing agreement related liabilities	(384)		(384)		(408)
Net liability	(317)		(317)		(333)
(Expense)	0	1	0	(3)
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	(33)		(33)		0
Other liabilities	(36)		(36)		(71)
Tax sharing agreement related liabilities	(69)		(69)		(71)
Net liability	(69)		(69)		(71)
(Expense)	$ (1)		$ (31)