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Note 10 - Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2011
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Income Tax Disclosure [Abstract]          
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   35.00% 35.00% 35.00% 35.00%
Deferred Tax Assets, Valuation Allowance   $ 45 $ 16 $ 45 $ 16
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority     (123)   (123)
Recognition Revenue Reductions $ 61