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Note 7 - Income Taxes (Details) - Income Tax (Benefit) Provision Reconciliation - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income Tax (Benefit) Provision Reconciliation [Abstract]        
Loss from continuing operations before income taxes $ (14) $ (52) $ (64) $ (112)
Effective tax rate (64.30%) (15.40%) (20.30%) 0.00%
Provision for income taxes $ 9 $ 8 $ 13  
Benefit for income taxes @ 35% (5) (18) (22) $ (39)
Difference between tax at effective vs. statutory rate $ 14 $ 26 $ 35 $ 39