Note 14 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Tax Expense (Benefit)	$ 30	$ 18
Effective Income Tax Rate Reconciliation, Percent	50.00%	49.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%