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Derivatives - Notional Amounts of Foreign Currency Forward Contracts (Parenthetical) (Details) - Other Currencies - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Designated as hedges    
Derivative [Line Items]    
Maximum individual currency exposure within various other currencies $ 25 $ 25
Not designated as hedges    
Derivative [Line Items]    
Maximum individual currency exposure within various other currencies $ 25 $ 25