Note 4 - Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Abstract]
Land		$ 49	$ 55
Buildings and building improvements		130	131
Machinery and equipment		387	388
Construction in progress		15	8
Property, plant and equipment, gross		581	582
Accumulated depreciation		(441)	(430)
Property, plant and equipment, net	[1]	$ 140	$ 152

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