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Basis of Presentation and Reclassifications (Details)	12 Months Ended
Basis of Presentation and Reclassifications (Details)	May 28, 2017	May 29, 2016
General Mills Brasil Alimentos Ltda (Yoki) [Member] \| Asia and Latin America [Member]
Annual Reporting Period	13 months
Yoplait SAS [Member] \| Europe and Australia [Member]
Annual Reporting Period		13 months
Yoplait Marques SNC [Member] \| Europe and Australia [Member]
Annual Reporting Period		13 months
Annie's, Inc [Member] \| North America Retail [Member]
Annual Reporting Period		13 months