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Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Jun. 30, 2014
Variable Interest Entity, Primary Beneficiary [Member]
RED-Rochester, LLC [Member]
Dec. 31, 2013
Variable Interest Entity, Primary Beneficiary [Member]
RED-Rochester, LLC [Member]
Jun. 30, 2014
RED-Rochester, LLC [Member]
Dec. 31, 2013
RED-Rochester, LLC [Member]
Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details) [Line Items]          
Variable Interest Entity, Consolidated, Carrying Amount, Assets   $ 79 $ 85    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities   2 3    
Noncontrolling Interest in Variable Interest Entity       21 18
Goodwill, Period Increase (Decrease) $ 8