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Derivative and Other Financial Instruments - Notional Values of Outstanding Derivative Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Foreign exchange | Derivatives not designated as hedges    
Derivatives, Fair Value [Line Items]    
Derivative, notional amount $ 617 $ 722
Foreign exchange | Derivatives in cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative, notional amount 409 1,127
Foreign exchange | Derivatives in fair value hedges    
Derivatives, Fair Value [Line Items]    
Derivative, notional amount 211 183
Foreign exchange | Derivatives designated as net investment hedges    
Derivatives, Fair Value [Line Items]    
Derivative, notional amount 875 1,075
Commodities | Derivatives in cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative, notional amount 150 248
Interest Rate Swap | Derivatives in cash flow hedges    
Derivatives, Fair Value [Line Items]    
Derivative, notional amount $ 0 $ 200