Note 25 - Reorganization Items, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reorganization Items Net [Abstract]
Professional fees	$ 1	$ 1	$ 10
Legal contingency reserve reduction	(7)
Other items, net		4	3
Reorganization items, net	(6)	5	13
Cash payments for reorganization items	$ 1	$ 9	$ 21