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Inventories
6 Months Ended
Jun. 30, 2014
Inventory, Net [Abstract]  
Inventories
Inventories 
 
June 30,
2014
December 31,
2013
Finished products
$
4,210

$
4,645

Semi-finished products
2,107

2,576

Raw materials, stores and supplies
1,160

1,360

 
7,477

8,581

Adjustment of inventories to a last-in, first-out (LIFO) basis
(537
)
(539
)
Total
$
6,940

$
8,042