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Note 7 - Income Taxes (Details) - Income Tax (Benefit) Provision Reconciliation - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Income Tax (Benefit) Provision Reconciliation [Abstract]        
Earnings (loss) from continuing operations before income taxes $ 2 $ 41 $ (62) $ (71)
Effective tax rate 750.00% 24.40% (45.20%) (15.50%)
Provision for income taxes $ 15 $ 10 $ 28 $ 11
Provision (benefit) for income taxes @ 35% 1 14 (22) (25)
Difference between tax at effective vs. statutory rate $ 14 $ (4) $ 50 $ 36