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Note 10 - Income Tax Provision (Benefit) Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Tax Disclosure [Abstract]        
Earnings (loss) from continuing operations before income taxes $ 26 $ 8 $ 50 $ (31)
Effective tax rate 15.40% 175.00% 32.00% (87.10%)
Provision for income taxes $ 4 $ 14 $ 16 $ 27
Provision (benefit) for income taxes @ 35% 9 3 18 (11)
Difference between tax at effective vs. statutory rate $ (5) $ 11 $ (2) $ 38