Note 10 - Property, Plant and Equipment, Net of Accumulated Depreciation (Details) - Property, Net - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 21,453	$ 21,098
Accumulated depreciation	(8,784)	(8,332)
Total	12,669	12,766
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	449	458
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,470	5,470
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,218	13,848
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,316	$ 1,322