Note 11 - Property, Net of Accumulated Depreciation (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Property, Plant and Equipment Disclosure [Text Block]
Interest Costs Capitalized	$ 8,000,000	$ 22,000,000	$ 17,000,000	$ 43,000,000
Precious Metals	2,300,000,000		2,300,000,000		2,400,000,000
Depletion	$ 5,000,000	$ 5,000,000	$ 11,000,000	$ 10,000,000