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Accrued Expenses and Other Current Liabilities - Details of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Payables And Accruals [Abstract]    
Accrued salary, bonus, and related benefits $ 42 $ 53
Accrued marketing costs 69 37
Other 54 37
Total $ 165 $ 127