Derivative Financial Instruments (Schedule of Notional Amounts of Net Foreign Exchange Exposure by Currency) (Details) - Foreign Exchange Contract [Member] $ in Millions	Dec. 31, 2018 USD ($)
Derivative [Line Items]
Total	$ (55)
Brazilian Real [Member]
Derivative [Line Items]
Total	(14)
British Pound Sterling [Member]
Derivative [Line Items]
Total	(84)
Canadian Dollar [Member]
Derivative [Line Items]
Total	33
China, Yuan Renminbi
Derivative [Line Items]
Total	(74)
Euro [Member]
Derivative [Line Items]
Total	106
Hungarian Forint [Member]
Derivative [Line Items]
Total	11
Indonesia, Rupiahs
Derivative [Line Items]
Total	(13)
Korea (South), Won
Derivative [Line Items]
Total	15
Japan, Yen
Derivative [Line Items]
Total	(2)
Mexico, Pesos
Derivative [Line Items]
Total	(68)
Singapore Dollar [Member]
Derivative [Line Items]
Total	41
Swedish Krona [Member]
Derivative [Line Items]
Total	$ (6)