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Inventories (Tables)
 6 Months Ended
Jun. 30, 2013
Inventory, Net [Abstract]  
Schedule of Inventories
 
June 30, 2013
December 31, 2012
Finished products
$
3,841

$
4,449

Semifinished products
1,828

2,407

Raw materials, stores and supplies
1,315

1,313

 
6,984

8,169

Adjustment of inventories to a last-in, first-out (LIFO) basis
(611
)
(604
)
Total
$
6,373

$
7,565