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Note 10 - Retirement Plans and Other Postretirement Benefits (Details) - Pension (Income) Expense from Continuing Operations for All Defined Benefit Plans (Postretirement Benefit Plan [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Successor [Member]
Mar. 31, 2013
Predecessor [Member]
Note 10 - Retirement Plans and Other Postretirement Benefits (Details) - Pension (Income) Expense from Continuing Operations for All Defined Benefit Plans [Line Items]    
Interest cost $ 1 $ 1
Amortization of:    
Prior service credit   (29)
Net actuarial loss   2
Total net postretirement benefit expense (income) $ 1 $ (26)