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Debt - Summary of Total Outstanding Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Short-Term Debt:    
Short-Term Debt $ 76 $ 1
Long-Term Debt:    
Long-Term Debt 20 200
Chinese Credit Facilities    
Short-Term Debt:    
Credit Facilities 3 1
2016 Credit Facility    
Short-Term Debt:    
Credit Facilities 73  
2015 Credit Facility    
Long-Term Debt:    
Credit Facilities $ 20 $ 200