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Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended
Jun. 30, 2018
Sep. 30, 2020
Dec. 31, 2019
Interest Rate Swap      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative, term of contract 5 years    
Derivative, contract notional amount $ 500 $ 463 $ 482
Fair value of foreign exchange forward contracts   30 19
Foreign Exchange Forward Contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of foreign exchange forward contracts   $ 1 $ 0