Note 16 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2023
Income Tax Expense (Benefit), Total	$ 31	$ 20	$ 67	$ 56
Effective Income Tax Rate Reconciliation, Percent, Total			(103.00%)	28.00%
Goodwill, Impairment Loss	191		$ 191
Other Tax Expense (Benefit)	(2)
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount	32
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Domestic Tax Authority [Member]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	$ 31
UNITED STATES | Forecast [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount					$ 200