Note 14 - Income Taxes (Details) - Components of Deferred Tax Assets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Components of Deferred Tax Assets [Abstract]
Deferred income taxes (current)	$ 22	$ 31
Deferred income taxes (non-current)	23	38
Other current liabilities		(1)
Other long-term liabilities	(18)	(26)
Net deferred tax assets	$ 27	$ 42