Note 12 - Income Taxes - Schedule of Income Tax Provision and Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings from operations before income taxes	$ 0	$ 3	$ 78	$ 21
Effective tax rate	0.00%	33.30%	10.30%	9.50%
(Benefit) provision for income taxes	$ (2)	$ 1	$ 8	$ 2
Provision for income taxes at U.S. statutory tax rate	0	1	16	4
Difference between tax at effective vs. statutory rate	$ (2)	$ 0	$ (8)	$ (2)