Derivative Financial Instruments (Schedule of Notional Amounts of Net Foreign Exchange Exposure by Currency) (Details) - Foreign Exchange Contract [Member] $ in Millions	Dec. 31, 2016 USD ($)
Derivative [Line Items]
Total	$ 76
Brazilian Real [Member]
Derivative [Line Items]
Total	(19)
British Pound Sterling [Member]
Derivative [Line Items]
Total	(78)
Canadian Dollar [Member]
Derivative [Line Items]
Total	33
China, Yuan Renminbi
Derivative [Line Items]
Total	(41)
Euro [Member]
Derivative [Line Items]
Total	138
Hungarian Forint [Member]
Derivative [Line Items]
Total	9
Indonesia, Rupiahs
Derivative [Line Items]
Total	(6)
Korea (South), Won
Derivative [Line Items]
Total	10
Singapore Dollar [Member]
Derivative [Line Items]
Total	$ 30