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Accounts Payable and Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2016
Accounts Payable and Accrued Liabilities, Current [Abstract]  
Accounts payable and accrued liabilities
Accounts payable and accrued liabilities as of December 31, 2016 and 2015 consists of the following (in millions):
 
2016
 
2015
Salaries and incentives
$
379

 
$
325

Accrued benefits and payroll taxes
98

 
114

Trade accounts payable and other accrued liabilities
512

 
564

Accrued interest payable
89

 
62

Taxes other than income tax
62

 
65

Capco acquisition related liabilities
6

 
66

Total accounts payable and accrued liabilities
$
1,146

 
$
1,196