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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2012
Property Plant and Equipament [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT
The following table summarizes our property, plant and equipment (in millions):
December 31,
2012

 
2011

Land
$
997

 
$
1,141

Buildings and improvements
5,307

 
5,240

Machinery, equipment and vehicle fleet
16,203

 
15,504

Construction in progress
979

 
1,266

 
23,486

 
23,151

Less accumulated depreciation
9,010

 
8,212

Property, plant and equipment — net
$
14,476

 
$
14,939