Derivative Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Mar. 30, 2013	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member]	Apr. 02, 2013 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member]	Jun. 28, 2014 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member]	Apr. 02, 2013 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member]
Derivatives, Fair Value [Line Items]
The net amount of gains/(loss) recorded to other expense, net	$ (4)	$ 3		$ (4)	$ 13
Debt Instrument, Face Amount						900	900	700	700
Proceeds from Hedge, Financing Activities			$ 3