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Note 9 - Income Taxes (Tables)
9 Months Ended
Sep. 30, 2014
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
Successor
   
Predecessor
   
Successor
   
Predecessor
 
(in millions)
 
Three Months Ended
September 30, 2014
   
One Month Ended
September 30, 2013
   
Two Months Ended
August 31, 2013
   
Nine Months Ended September 30, 2014
   
One Month Ended
September 30, 2013
   
Eight Months Ended
August 31, 2013
 
Earnings (loss) from continuing operations before income taxes
  $ 41     $ (30 )   $ 2,182     $ (71 )   $ (30 )   $ 2,356  
Effective tax rate
    24.4 %     (3.3 )%     4.4 %     (15.5 )%     (3.3 )%     6.6 %
Provision for income taxes
    10       1       97       11       1       155  
Provision (benefit) for income taxes @ 35%
    14       (11 )     764       (25 )     (11 )     825  
Difference between tax at effective vs. statutory rate
  $ (4 )   $ 12     $ (667 )   $ 36     $ 12     $ (670 )