Derivative Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012	Jun. 07, 2012	Apr. 02, 2013
Derivatives, Fair Value [Line Items]
The net amount of gains/(loss) recorded to other expense, net	$ 9	$ 15	$ 7
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax		3
Senior Notes [Member] | 2.50% Senior Notes Due 2016 [Member]
Derivatives, Fair Value [Line Items]
Proceeds from termination of interest rate swap				24
Net average interest rate	1.30%
Debt Instrument, Face Amount	500
Senior Notes [Member] | 3.25% Senior Notes Due Two Thousand Twenty-three [Member]
Derivatives, Fair Value [Line Items]
Debt Instrument, Face Amount					900
Senior Notes [Member] | 4.75% Senior Notes Due Two Thousand Fourty-three [Member]
Derivatives, Fair Value [Line Items]
Debt Instrument, Face Amount					$ 700