Quarterly Financial Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Quarterly Financial Data [Abstract]
Net sales	$ 1,204	$ 1,221	$ 1,150	$ 1,072	$ 1,204	$ 1,242	$ 1,183	$ 1,137	$ 4,647	$ 4,766	$ 4,561
Cost of sales	1,006	998	936	895	977	1,028	972	972	3,835	3,984	3,908
Gross profit	198	223	214	177	227	214	211	165
Net income	$ 26	$ 40	$ 1	$ (10)	$ 22	$ 9	$ 2	$ (31)	$ 57	$ 2	$ (299)