Note 16 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2023
Income Tax Expense (Benefit), Total	$ 18	$ 14	$ 36	$ 36
Effective Income Tax Rate Reconciliation, Percent, Total			55.00%	27.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
UNITED STATES | Forecast [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount					$ 40