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Derivative Instruments And Hedging Activities - Summary of Notional Amounts of Outstanding Cross Currency Swap (Detail) - Cross currency swaps - Net Investment Hedging
€ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2019
EUR (€)
Dec. 31, 2018
EUR (€)
1.43%        
Derivative [Line Items]        
Nature of Swap Pay Fixed/Receive Fixed      
3-month U.S. LIBOR        
Derivative [Line Items]        
Nature of Swap Pay Floating/Receive Floating Pay Floating/Receive Floating    
Currency Paid        
Derivative [Line Items]        
Notional Amount | €     € 2,010 € 710
Currency Paid | 1.43%        
Derivative [Line Items]        
Notional Amount | €     € 1,079  
Weighted Average Interest Rate 1.43%   1.43%  
Currency Paid | 3-month EURIBOR        
Derivative [Line Items]        
Notional Amount | €     € 931 € 710
Weighted Average Floating Interest Rate Based on 3-month EURIBOR Based on 3-month EURIBOR    
Currency Received        
Derivative [Line Items]        
Notional Amount | $ $ 2,300 $ 830    
Currency Received | 3.96%        
Derivative [Line Items]        
Notional Amount | $ $ 1,220      
Weighted Average Interest Rate 3.96%   3.96%  
Currency Received | 3-month U.S. LIBOR        
Derivative [Line Items]        
Notional Amount | $ $ 1,080 $ 830    
Weighted Average Floating Interest Rate Based on 3-month USD LIBOR Based on 3-month USD LIBOR