Derivative Financial Instruments (Schedule of Notional Amounts of Net Foreign Exchange Exposure by Currency) (Details) (Foreign Exchange Contract [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Derivative [Line Items]
Total	$ 548
Brazilian Real [Member]
Derivative [Line Items]
Total	(13)
British Pound Sterling [Member]
Derivative [Line Items]
Total	(78)
Canadian Dollar [Member]
Derivative [Line Items]
Total	33
Chinese Renminbi [Member]
Derivative [Line Items]
Total	(151)
Euro [Member]
Derivative [Line Items]
Total	735
Hungarian Forint [Member]
Derivative [Line Items]
Total	10
Mexican Peso [Member]
Derivative [Line Items]
Total	(23)
Singapore Dollar [Member]
Derivative [Line Items]
Total	$ 35