Note 11 - Property, Net of Accumulated Depreciation (Details) - Property, Net (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 21,445	$ 17,666
Accumulated depreciation	(8,412)	(7,865)
Total	13,033	9,801
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	474	121
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,607	4,175
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	14,089	12,286
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,275	$ 1,084