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Debt - Summary of Total Outstanding Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
Short-Term Debt:    
Short-Term Debt $ 1 $ 1
Long-Term Debt:    
Long-Term Debt 91 200
Chinese Credit Facilities    
Short-Term Debt:    
Chinese Credit Facilities 1 1
2015 Credit Facility    
Long-Term Debt:    
2015 Credit Facility $ 91 $ 200