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Note 13 - Guarantees (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Guarantee Obligations [Line Items]    
Product Warranty Expense $ 105,000,000 $ 113,000,000
Warranty Arrangements Period [Member]    
Guarantee Obligations [Line Items]    
Extended Warranty Period 1 year  
Amended Eastman Business Park Settlement Agreement [Member]    
Guarantee Obligations [Line Items]    
Accrual for Environmental Loss Contingencies $ 0  
Maximum [Member]    
Guarantee Obligations [Line Items]    
Environmental Settlement Historical Liabilities Trigger Amount $ 99,000,000  
Percentage of Liability Above 99 Million 50.00%  
Extended Warranty Period 6 years  
Minimum [Member]    
Guarantee Obligations [Line Items]    
Extended Warranty Period 3 months