Accumulated Other Comprehensive Income and Supplemental Equity Information Accumulated Other Comprehensive Income and Supplemental Equity Information - Schedule of Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) Beginning Balance, Net of Tax	$ 46	$ 46	$ 16
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(217)	8	38
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(2)	(8)	(8)
Other Comprehensive Income (Loss)	(219)	0	30
Accumulated Other Comprehensive Income (Loss) Ending Balance, Net of Tax	(173)	46	46
Unrealized gain (loss) on available-for-sale securities [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) Beginning Balance, Net of Tax	17	20	18
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	5	10
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(2)	(8)	(8)
Other Comprehensive Income (Loss)	(2)	(3)	2
Accumulated Other Comprehensive Income (Loss) Ending Balance, Net of Tax	15	17	20
Unrealized gain (loss) on derivative instruments, cash flow hedge [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) Beginning Balance, Net of Tax	3	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	3	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0
Other Comprehensive Income (Loss)	0	3	0
Accumulated Other Comprehensive Income (Loss) Ending Balance, Net of Tax	3	3	0
Foreign currency translation adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss) Beginning Balance, Net of Tax	26	26	(2)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(217)	0	28
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0
Other Comprehensive Income (Loss)	(217)	0	28
Accumulated Other Comprehensive Income (Loss) Ending Balance, Net of Tax	$ (191)	$ 26	$ 26