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Financing Arrangements and Derivative Financial Instruments - Classification of Changes in Fair Values of Foreign Currency Contracts (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Financing Arrangements and Derivative Financial Instruments [Abstract]    
Amounts deferred to AOCL $ (20) $ (17)
Amount of deferred loss (gain) reclassified from AOCL into CGS (28) 0
Amounts excluded from effectiveness testing 1 $ 1
Deferred gains to be reclassified in next twelve months $ 6