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Inventories
6 Months Ended
Jun. 30, 2011
Inventories  
Inventories
8.      Inventories

Inventories comprise the following (in millions):
 
June 30,
2011
 
December 31,
2010
Finished goods
$277
 
$208
Work in process
  211
 
  207
Raw materials and accessories
  237
 
  155
Supplies and packing materials
  192
 
  168
Total inventories
$917
 
$738