Income Taxes Change in Valuation Allowance Against Deferred Tax Assets (Details) - USD ($) $ in Millions		12 Months Ended
		Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Income Tax Disclosure [Abstract]
Balance at beginning of year		$ 51	$ 61	$ 59
Additions charged to income tax expense		23	9	17
Reductions credited to income tax expense		(7)	(3)	(3)
Other	[1]	0	0	(10)
Currency translation adjustments		(4)	(16)	(2)
Balance at end of year		$ 63	$ 51	$ 61

[1] Reduction due to the disposition of a business resulting in deferred tax asset and valuation allowance being eliminated.