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Accounts Payable and Other Current Liabilities
12 Months Ended
Dec. 31, 2017
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,
2017
 
December 31,
2016
Compensation and benefits payable
 
$
857

 
$
776

Accounts payable
 
309

 
487

Property and income tax liabilities
 
301

 
497

Accrued interest
 
289

 
300

Customer incentives
 
201

 
149

Capital expenditure estimated liabilities
 
167

 
202

Casualty and environmental liabilities
 
125

 
125

Rents and leases
 
109

 
117

Other
 
811

 
785

      Total
 
$
3,169

 
$
3,438