Derivative Financial Instruments Summary of Derivative Instruments (Gain) Loss (Details) - Foreign currency forward contracts - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Oct. 03, 2015	Oct. 03, 2015
Derivative Instruments, (Gain) Loss [Line Items]
Pre-tax (gain) loss recognized in other comprehensive income on effective portion of derivative	$ 10	$ (9)
Cost of sales
Derivative Instruments, (Gain) Loss [Line Items]
Pre-tax (Gain) loss reclassified from Accumulated Other Comprehensive Income	(4)	(8)
Ineffective Portion of (Gain) loss on derivatives excluded from effectiveness testing	$ 0	$ 0