DOCUMENT AND ENTITY INFORMATION	3 Months Ended
	Aug. 24, 2014	Sep. 05, 2014
Document And Entity Information [Abstract]
Document Type	10-Q
Document period end date	Aug. 24, 2014
Amendment flag	false
Entity registrant name	GENERAL MILLS INC,
Entity central index key	0000040704
Entity current reporting status	Yes
Entity voluntary filers	No
Current fiscal year end date	--05-31
Entity filer category	Large Accelerated Filer
Entity well known seasoned issuer	Yes
Entity common stock shares outstanding		603,747,687
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1