Note 14 - Components of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Deferred income taxes (current)		$ 22
Deferred income taxes (non-current)	$ 35	23
Other long-term liabilities	(16)	(18)
Net deferred tax assets	$ 19	$ 27