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Note 2 - Reorganization Items, Net (Details) - Reorganization Items, Net (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Successor [Member]
Mar. 31, 2013
Predecessor [Member]
Note 2 - Reorganization Items, Net (Details) - Reorganization Items, Net [Line Items]    
Professional fees $ 5 $ 58
Provision for expected allowed claims   62
Reorganization items, net 5 120
Cash payments for reorganization items $ 8 $ 43