Note 13 - Income Taxes - Schedule of Income Tax Provision and Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Earnings (loss) from operations before income taxes	$ 19	$ (4)	$ 26	$ 50
Effective tax rate	15.80%	(25.00%)	15.40%	332.00%
Provision for income taxes	$ 3	$ 1	$ 4	$ 166
Provision (benefit) for income taxes at U.S. statutory tax rate	4	(1)	5	11
Difference between tax at effective vs. statutory rate	$ (1)	$ 2	$ (1)	$ 155