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Accrued Liabilities - Summary of Accrued Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2015
Dec. 31, 2014
Payables And Accruals [Abstract]    
Compensation and other related expenses $ 31 $ 39
Customer credits and prepayments 30 34
Taxes (non income) 18 24
Other 27 28
Total $ 106 $ 125