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SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Allowance for doubtful accounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 22 $ 19 $ 18
Additions Charged to Costs & Expenses 3 5 3
Charged to Other Accounts 0 0 0
Deductions 6 2 2
Balance at End of Period 19 22 19
Deferred tax valuation allowance      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 25 20 13
Additions Charged to Costs & Expenses 1 5 7
Charged to Other Accounts 0 0 0
Deductions 0 0 0
Balance at End of Period 26 $ 25 $ 20
Marketing Applications | Allowance for doubtful accounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Deductions $ 5