Income Taxes (Details) (Schedule of Effective Income Tax Rate Reconciliation) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Schedule of Effective Income Tax Rate Reconciliation [Line Items]
Statutory federal income tax provision (benefit) at 35% rate									$ (26)	$ (426)	$ 172
State taxes, net of federal benefit									1	1	1
Foreign income at other than U.S. rates									15	(13)	(2)
US valuation allowance utilized									22	406	(171)
Credit monetization									(3)	(2)	(4)
Provision (benefit) for income taxes	$ 1	$ 3	$ 3	$ 2	$ 4	$ 0	$ (6)	$ (32)	$ 9	$ (34)	$ (4)