Derivative Financial Instruments (Narrative) (Details) - Jun. 28, 2015 $ in Millions	USD ($) derivative_instrument derivative_instruments
Foreign Currency Forward Contracts [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	6 months
Foreign Currency Forward Contracts [Member] | Cash Flow Hedges [Member]
Derivative [Line Items]
Approximate number of derivatives per quarter (in derivatives) | derivative_instrument	5
Cash flow hedge	$ 7
Number of months taken by the company to reclass the amounts recorded in other comprehensive income to earnings (in months)	12 months
Foreign Exchange Contract [Member] | Cash Flow Hedges [Member]
Derivative [Line Items]
Discontinuation of cash flow hedge	Derivative instruments designated as cash flow hedges must be de-designated as hedges when it is probable the forecasted hedged transaction will not occur within the designated hedge period or if not recognized within 60 days following the end of the hedge period
Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Minimum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	3 months
Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	5 months
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member]
Derivative [Line Items]
Approximate number of derivatives per quarter (in derivatives) | derivative_instruments	15
Cash flow hedge	$ 2
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member] | Minimum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	1 month
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	5 months