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Derivatives and Hedging Instruments - Derivative Fair Values (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Derivatives, Fair Value [Line Items]    
Derivative Assets, Fair Value $ 1 $ 2
Derivative Liabilities, Fair Value 4 1
Derivatives designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Derivative Assets, Fair Value 1 1
Derivative Liabilities, Fair Value 3 0
Derivatives designated as hedging instruments | Foreign exchange contracts | Other current assets    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 12 55
Derivative Assets, Fair Value 1 1
Derivatives designated as hedging instruments | Foreign exchange contracts | Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Notional Amount 77  
Derivative Liabilities, Fair Value 3 0
Derivatives not designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Derivative Assets, Fair Value 0 1
Derivative Liabilities, Fair Value 1 1
Derivatives not designated as hedging instruments | Other current assets    
Derivatives, Fair Value [Line Items]    
Derivative Assets, Fair Value   1
Derivatives not designated as hedging instruments | Foreign exchange contracts | Other current assets    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 173 71
Derivative Assets, Fair Value 0  
Derivatives not designated as hedging instruments | Foreign exchange contracts | Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Notional Amount 320 264
Derivative Liabilities, Fair Value $ 1 $ 1