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Debt - Additional Information (Detail)
1 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Nov. 30, 2019
USD ($)
Aug. 31, 2019
USD ($)
May 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2019
EUR (€)
Oct. 31, 2019
USD ($)
Mar. 31, 2019
Debt Instrument [Line Items]                    
Aggregate principal amount of debt repurchased $ 300,000,000 $ 357,000,000                
Interest rate   3.85%                
Consideration for repurchase of debt   $ 728,000,000                
Loss related to extinguishment of debt/credit facility         $ 28,300,000 $ 4,100,000 $ 32,300,000      
Line of credit facility, maximum borrowing capacity                 $ 600,000,000  
Cash consideration on sale of business         996,000,000          
Debt instrument, unamortized discount (premium) and debt issuance costs, net       $ 33,300,000 $ 33,300,000 $ 43,700,000        
4.00% senior notes due 2024                    
Debt Instrument [Line Items]                    
Aggregate principal amount of debt repurchased   $ 299,000,000                
Interest rate   4.00%   4.00% 4.00% 4.00%   4.00%    
Debt instrument, face amount       $ 100,000,000 $ 100,000,000          
3.90% senior notes due 2025                    
Debt Instrument [Line Items]                    
Aggregate principal amount of debt repurchased   $ 44,000,000.0                
Interest rate   3.90%   3.90% 3.90% 3.90%   3.90%    
5.00% senior notes due 2023                    
Debt Instrument [Line Items]                    
Interest rate 5.00%     5.00% 5.00% 5.00%   5.00%    
Consideration for repurchase of debt $ 308,000,000                  
2.60% senior notes due 2019                    
Debt Instrument [Line Items]                    
Interest rate       2.60% 2.60% 2.60%   2.60%   2.60%
Consideration for repurchase of debt $ 268,000,000                  
3.75% senior notes due 2021                    
Debt Instrument [Line Items]                    
Interest rate       3.75% 3.75% 3.75%   3.75%    
Debt instrument, face amount | €               € 300,000,000.0    
Deferred gain (loss) on net investment hedge recorded in AOCL, net of tax         $ 4,000,000.0          
Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Loss related to extinguishment of debt/credit facility         28,300,000          
Line of credit facility, current borrowing capacity       $ 1,250,000,000 1,250,000,000          
Revolving Credit Facility | Commercial Paper                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity       800,000,000 800,000,000          
Revolving Credit Facility | Letter of Credit                    
Debt Instrument [Line Items]                    
Line of credit facility, maximum borrowing capacity       100,000,000 $ 100,000,000          
Senior notes                    
Debt Instrument [Line Items]                    
Long-term debt, cash tender offer   $ 700,000,000                
Old facility borrowing capacity     $ 950,000,000              
New facility borrowing capacity       $ 700,000,000