Financing Arrangements and Derivative Financial Instruments - Classification of Changes in Fair Values of Foreign Currency Contracts (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Financing Arrangements and Derivative Financial Instruments [Abstract]
Amounts deferred to Accumulated Other Comprehensive Loss (AOCL)	$ 0	$ (7,000,000)	$ 1,000,000	$ (19,000,000)
Amount of deferred (gain) loss reclassified from AOCL into CGS	0	(7,000,000)	(6,000,000)	(23,000,000)
Amounts excluded from effectiveness testing	$ (1,000,000)	$ 0	(1,000,000)	$ 1,000,000
Deferred gains to be reclassified to earnings within next twelve months			$ 0