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Derivative and Other Financial Instruments - Notional Values of Outstanding Derivative Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Foreign exchange | Derivatives not designated as hedges    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount $ 921 $ 1,017
Foreign exchange | Derivatives in cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 807 1,030
Foreign exchange | Derivatives in fair value hedges    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 158 142
Foreign exchange | Derivatives designated as net investment hedges    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 1,075 1,075
Commodities | Derivatives in cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount 356 334
Interest Rate Swap | Derivatives in cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative, Notional Amount $ 200 $ 200