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Note 5 - Inventories, Net of Inventory Reserves (Details) - Inventories, Net (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Inventories, Net [Abstract]    
Finished goods $ 486us-gaap_InventoryFinishedGoodsNetOfReserves $ 486us-gaap_InventoryFinishedGoodsNetOfReserves
Work in process 255us-gaap_InventoryWorkInProcessNetOfReserves 234us-gaap_InventoryWorkInProcessNetOfReserves
Raw materials and accessories 302us-gaap_InventoryRawMaterialsNetOfReserves 311us-gaap_InventoryRawMaterialsNetOfReserves
Supplies and packing materials 279us-gaap_InventorySuppliesNetOfReserves 239us-gaap_InventorySuppliesNetOfReserves
Total inventories, net of inventory reserves $ 1,322us-gaap_InventoryNet $ 1,270us-gaap_InventoryNet