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Accounting Policies - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Summary Of Accounting Policies [Line Items]      
Minimum recognizable tax benefit 50.00%    
Sustainability threshold for uncertain tax position 50.00%    
Cumulative probability threshold for realization of income tax benefits 50.00%    
Employees average service period to grant awards 3 years    
Advertising expenses $ 17,000,000 $ 15,000,000 $ 14,000,000
Capitalized lease arrangement $ 206,000,000    
French [Member] | Research tax credits [Member]      
Summary Of Accounting Policies [Line Items]      
Tax credit carryforward expiration term 3 years    
Minimum [Member]      
Summary Of Accounting Policies [Line Items]      
Equity investments, Ownership percentage 20.00%    
Revenue recognition expected payment terms 30 days    
Maximum [Member]      
Summary Of Accounting Policies [Line Items]      
Equity investments, Ownership percentage 50.00%    
Revenue recognition expected payment terms 90 days    
Maximum [Member] | Property Plant And Equipment [Member]      
Summary Of Accounting Policies [Line Items]      
Short term lease payments excluding capitalization amount $ 5,000    
Trademarks and Licenses [Member] | Minimum [Member]      
Summary Of Accounting Policies [Line Items]      
Estimated useful lives of intangible assets 3 years    
Trademarks and Licenses [Member] | Maximum [Member]      
Summary Of Accounting Policies [Line Items]      
Estimated useful lives of intangible assets 7 years    
Purchased and Internally Developed Software [Member] | Maximum [Member]      
Summary Of Accounting Policies [Line Items]      
Estimated useful lives of intangible assets 4 years