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Fair Value Measurements - Foreign Currency Forward Contracts (Details) - Foreign currency forward contracts designated as hedges - Cash Flow Hedging - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Foreign currency forward contracts designated as hedges    
Derivatives, Fair Value [Line Items]    
Maximum length of time over which our foreign currency forward contracts mature 12 months  
Buy USD, Sell EUR    
Derivatives, Fair Value [Line Items]    
Notional amount $ 441 $ 382
Fair value gain (loss) $ 21 $ 20