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Financing Arrangements and Derivative Financial Instruments - Other Foreign Credit Facilities (Details) - Chinese Credit Facilities - Secured Debt - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Line of Credit Facility [Line Items]    
Unused availability $ 218  
Amount outstanding 247 $ 315
Restricted cash related to funds obtained under credit facilities $ 14 $ 8