Note 16 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Expense (Benefit), Total	$ 18	$ 22
Effective Income Tax Rate Reconciliation, Percent, Total	49.00%	29.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%