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Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property, plant and equipment
Property, plant and equipment are comprised of the following at December 31:
 
Useful Life
2018
2017
Land and improvements (1)
8 - 20 years (1)
$
432

$
413

Buildings, structures and related equipment
5 - 40 years
2,854

3,168

Machinery, equipment and other
2 - 20 years
6,567

6,195

Total cost
 
9,853

9,776

Less: Accumulated depreciation
 
3,625

2,817

Property, plant and equipment, less accumulated depreciation
 
$
6,228

$
6,959


(1) 
Useful life excludes land.