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Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details) - RED-Rochester, LLC [Member] - USD ($)
$ in Millions
Jun. 30, 2015
Dec. 31, 2014
Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details) [Line Items]    
Noncontrolling Interest in Variable Interest Entity $ 26 $ 21
Variable Interest Entity, Primary Beneficiary [Member]    
Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details) [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 75 77
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 10 $ 11