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Accounts Payable and Other Current Liabilities
12 Months Ended
Dec. 31, 2013
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accounts Payable and Other Current Liabilities
 
Accounts payable and other current liabilities consisted of the following (in millions):
 
 
December 31,
2013
 
December 31,
2012
Compensation and benefits payable
 
$
821

 
$
673

Accounts payable
 
311

 
310

Property and income tax liabilities
 
290

 
541

Accrued interest
 
243

 
208

Rents and leases
 
161

 
168

Customer incentives
 
151

 
155

Casualty and environmental liabilities
 
145

 
170

Other
 
1,084

 
895

      Total
 
$
3,206

 
$
3,120