Note 4 - Property, Plant and Equipment (Details) - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Abstract]
Land		$ 82	$ 84
Buildings and building improvements		174	160
Machinery and equipment		426	429
Construction in progress		26	13
Property, plant and equipment, gross		708	686
Accumulated depreciation		(394)	(344)
Property, plant and equipment, net	[1]	$ 314	$ 342	$ 426

[1] Long-lived assets are comprised of property, plant and equipment, net.