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Note 8 - Inventories, Net of Inventory Reserves
6 Months Ended
Jun. 30, 2016
Notes to Financial Statements  
Inventory Disclosure [Text Block]
8.      Inventories, Net of Inventory Reserves

Inventories, net of inventory reserves comprise the following (in millions):
 
June 30,
2016
 
December 31,
2015
Finished goods
$
633
 
$
633
Work in process
 
293
 
 
264
Raw materials and accessories
 
274
 
 
200
Supplies and packing materials
 
301
 
 
288
Total inventories, net of inventory reserves
$
1,501
 
$
1,385