Quarterly report pursuant to Section 13 or 15(d)

Debt Obligations - Credit Facility Amended and Restated Credit Agreement (Detail)

v3.10.0.1
Debt Obligations - Credit Facility Amended and Restated Credit Agreement (Detail) - Current Credit Agreement
Dec. 18, 2015
USD ($)
Line of Credit Facility [Line Items]  
Senior secured revolving credit facility $ 1,810,000,000
Option to increase revolving commitments under the credit agreement 400,000,000
Revolving Loans and Letters of Credit in Alternative Currencies  
Line of Credit Facility [Line Items]  
Senior secured revolving credit facility 600,000,000
U S Dollar | Swing Lines Loan  
Line of Credit Facility [Line Items]  
Senior secured revolving credit facility 100,000,000
Canadian Dollars | Swing Lines Loan  
Line of Credit Facility [Line Items]  
Senior secured revolving credit facility 50,000,000
Australian Dollars | Swing Lines Loan  
Line of Credit Facility [Line Items]  
Senior secured revolving credit facility $ 30,000,000