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Note 7 - Other Operating Expense, Net (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Other Operating Income (Expense) [Member] | Silver Metal Mesh Development [Member]    
Impairment of Intangible Assets, Finite-lived $ 8  
Other Operating Income (Expense) [Member] | Trade Names [Member]    
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 5  
Other Operating Income (Expense) [Member]    
Tangible Asset Impairment Charges 11  
Micro 3D Printing and Packaging [Member]    
Goodwill, Impairment Loss   $ 6
Proceeds from Legal Settlements $ 10