Note 5 - Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended								1 Months Ended	12 Months Ended
	May 20, 2014	Dec. 31, 2013	Sep. 03, 2013	Jun. 30, 2014 Threat of Expropriation of Assets [Member] Cash [Member] BRAZIL	Jun. 30, 2014 Threat of Expropriation of Assets [Member] Collateralized Debt Obligations [Member] BRAZIL	Jun. 30, 2014 Financial Standby Letter of Credit [Member]	Jun. 30, 2014 Surety Bond [Member]	Jun. 30, 2014 Cash Deposits [Member]	May 20, 2014 Historical [Member]	Dec. 31, 2013 Historical [Member]	Jun. 30, 2014 Asset Based Revolving Credit Facility [Member]	Jun. 30, 2014 BRAZIL
Note 5 - Commitments and Contingencies (Details) [Line Items]
Litigation Settlement, Amount	$ 49
Environmental Expense and Liabilities									99	99
Percentage of Liability Above $99 Million	50.00%	50.00%
Assets Held-in-trust			49
Guarantor Obligations, Maximum Exposure, Undiscounted				10	111	7	22	60			120
Loss Contingency, Estimate of Possible Loss												$ 51