Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Deferred Tax Assets, Net of Valuation Allowance, Current	$ 19	$ 22
RED-Rochester, LLC [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Noncontrolling Interests in Variable Interest Entity	28	25
Deferred Tax Assets, Net of Valuation Allowance, Current	19
RED-Rochester, LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Variable Interest Entity, Consolidated, Carrying Amount, Assets	65	69
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	$ 14	$ 13