Note 10 - Income Taxes - Schedule of Income Tax Provision and Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
(Loss) earnings from operations before income taxes	$ (1)	$ 7
Effective tax rate	(200.00%)	14.30%
Provision for income taxes	$ 2	$ 1
Provision for income taxes at U.S. statutory tax rate	0	$ 1
Difference between tax at effective vs. statutory rate	$ 2