Note 12 - Income Tax Provision (Benefit) Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Earnings from continuing operations before income taxes	$ 11	$ 15	$ 21	$ 8
Effective tax rate	36.40%	40.00%	33.30%	162.50%
Provision for income taxes	$ 4	$ 6	$ 7	$ 13
Provision for income taxes @ 35%	$ 4	5	$ 7	3
Difference between tax at effective vs. statutory rate		$ 1		$ 10