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Accounts Payable and Other Current Liabilities
12 Months Ended
Dec. 31, 2013
Payables and Accruals [Abstract]  
Accounts Payable and Other Current Liabilities
Accounts Payable and Other Current Liabilities
Accounts payable and other current liabilities consisted of: 
 
As of December 31,
 
2013
 
2012
Accounts payable
$
344

 
$
309

Accrued payroll and related
210

 
198

Accrued sales and use taxes
193

 
148

Public liability and property damage insurance liabilities – current
136

 
132

Deferred revenue – current
87

 
60

Accrued commissions
77

 
67

Advertising and marketing
75

 
82

Accrued interest
63

 
66

Income taxes payable – current
13

 
58

Other
281

 
301

Accounts payable and other current liabilities
$
1,479

 
$
1,421