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Long-Term Debt And Borrowing Arrangements - Additional Information (Detail)
€ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2018
EUR (€)
Mar. 31, 2017
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Debt Instrument [Line Items]                
Gain (Loss) on Extinguishment of Debt $ (19) $ (3) $ (27)          
Loans Payable [Member] | Floating Rate Term Loan Due March Two Thousand Twenty Two [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount           $ 1,100    
Percentage Of Margin Aggregate Interest Rate   3.70%            
Loans Payable [Member] | Floating Rate Term Loan Due March Two Thousand Twenty Five [Member]                
Debt Instrument [Line Items]                
Percentage Of Margin Aggregate Interest Rate 4.53%              
Senior Notes [Member] | Four and three over four Euro-Denominated Senior Notes [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount | €         € 350      
Senior Notes [Member] | Five And One Over Four Senior Notes [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount             $ 375  
Senior Notes [Member] | 5 1/2% Senior Notes                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount               $ 175
Proceeds from Issuance of Senior Long-term Debt       $ 500        
Senior Notes [Member] | Five and One over Eight Senior Notes [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount               $ 400
Interest Rate Swap [Member] | Loans Payable [Member] | Floating Rate Term Loan Due March Two Thousand Twenty Two [Member]                
Debt Instrument [Line Items]                
Derivative, Fixed Interest Rate   3.79%            
Interest Rate Swap [Member] | Loans Payable [Member] | Floating Rate Term Loan Due March Two Thousand Twenty Five [Member]                
Debt Instrument [Line Items]                
Derivative, Fixed Interest Rate         3.67%