Note 4 - Property, Plant and Equipment, Net and Equipment Subject to Operating Leases, Net (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment [Abstract]
Depreciation	$ 84	$ 113	$ 170
Restructuring and Related Cost, Accelerated Depreciation	$ 0	$ 8	$ 2