2012 Separation Transaction (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 27, 2014	Jun. 28, 2013
Extraordinary Item [Line Items]
Professional fees	$ 0	$ 2	$ 2	$ 6
Information technology related costs	3	1	9	7
Employee compensation costs	1	3	2	5
Marketing costs	7	8	27	35
Other	1	5	4	(2)
Total pre-tax separation charges (income)	12	19	44	51
Tax-related separation charges	9	2	9	6
Tax benefit on pre-tax separation charges	0	(3)	(11)	(5)
Total separation charges (gain), net of tax	21	18	42	52
Continuing Operations
Extraordinary Item [Line Items]
Professional fees	0	3	2	3
Information technology related costs	3	3	9	7
Employee compensation costs	0	3	0	3
Marketing costs	7	8	27	35
Other	1	5	4	8
Total pre-tax separation charges (income)	11	22	42	56
Tax-related separation charges	9	2	9	6
Tax benefit on pre-tax separation charges	0	(3)	(11)	(5)
Total separation charges (gain), net of tax	20	21	40	57
Discontinued Operations
Extraordinary Item [Line Items]
Professional fees		(1)	0	3
Information technology related costs	0	(2)	0	0
Employee compensation costs	1	0	2	2
Marketing costs		0	0	0
Other		0	0	(10)
Total pre-tax separation charges (income)	1	(3)	2	(5)
Tax-related separation charges	0	0	0	0
Tax benefit on pre-tax separation charges	0	0	0	0
Total separation charges (gain), net of tax	$ 1	$ (3)	$ 2	$ (5)