Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Payables And Accruals [Abstract]    
Accrued commissions and incentives $ 253 $ 211
Accrued payroll and related 80 71
Accrued interest expense 73 61
Customer prepayments 44 56
Deferred revenue 30 29
Accrued sponsor monitoring fees 26 32
Income tax payable 15 24
Derivative contracts 1 4
Pension and post-retirement benefit liabilities 1 2
Other 17 47
Accrued expenses and other current liabilities $ 540 $ 537