Note 9 - Property, Plant and Equipment, Net of Accumulated Depreciation (Details) - Property, Net - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 21,836	$ 21,098
Accumulated depreciation	(9,188)	(8,332)
Total	12,648	12,766
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	438	458
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	5,504	5,470
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	14,688	13,848
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 1,206	$ 1,322