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Note 16 - Summary of Reconciliation of Basic and Diluted Earnings Per Share (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Earnings Per Share Basic [Line Items]        
Earnings (loss) from continuing operations $ 4 $ 7 $ (21) $ 14
Less: Series A convertible preferred stock cash dividend (3) (3) (6) (6)
Less: Series A convertible preferred stock deemed dividend (2) (2) (4) (4)
(Loss) earnings from continuing operations available to common shareholders - basic and diluted (1) 2 (31) 4
NET INCOME (LOSS) 4 4 (21) 11
Series A convertible preferred stock cash dividend (3) (3) (6) (6)
Series A convertible preferred stock deemed dividend (2) (2) (4) (4)
Net (loss) earnings available to common shareholders - basic and diluted $ (1) $ (1) $ (31) $ 1
Basic 42.7 42.5 42.6 42.5
Effect of dilutive securities        
Weighted average shares - diluted 43.0 42.7 42.9 42.7
Restricted Stock Units [Member]        
Effect of dilutive securities        
Effect of dilutive securities 0.3 0.2 0.3 0.2