Note 11 - Income Taxes - Schedule of Income Tax Provision and Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings from operations before income taxes	$ 35	$ 41
Effective tax rate	8.60%	19.50%
Provision for income taxes	$ 3	$ 8
Provision for income taxes at U.S. statutory tax rate	7	9
Difference between tax at effective vs. statutory rate	$ (4)	$ (1)