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Financial Instruments and Fair Values Measures - Additional Information (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Senior Credit Facilities | Term A Loan Facility  
Debt Instrument [Line Items]  
Debt Instrument, Fair Value Disclosure $ 305
Senior Credit Facilities | Term B Loan Facility  
Debt Instrument [Line Items]  
Debt Instrument, Fair Value Disclosure 461
Senior Notes  
Debt Instrument [Line Items]  
Debt Instrument, Fair Value Disclosure $ 422