Note 19 - Summary of Reconciliation of Basic and Diluted Earnings Per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Loss from continuing operations	$ (111)	$ (12)
Less: Series A convertible preferred stock cash dividend	(3)	(3)
Less: Series A convertible preferred stock deemed dividend	(2)	(2)
Loss from continuing operations available to common shareholders - basic and diluted	(116)	(17)
Net loss	(111)	(18)
Net loss available to common shareholders - basic and diluted	$ (116)	$ (23)
Weighted average shares — basic and diluted	43.6	42.9