Income Taxes (Schedule of the reconcilation of the effective income tax rate) (Details)	3 Months Ended	12 Months Ended
	May 29, 2016	May 29, 2016		May 31, 2015	May 25, 2014
Effective Income Tax Rate Reconciliation [Abstract]
United States statutory rate		35.00%		35.00%	35.00%
State and local income taxes, net of federal tax benefits		0.70%		0.70%	1.40%
Foreign rate differences		(2.20%)		(3.10%)	(0.10%)
Repatriation on foreign earnings		0.00%		4.50%	0.00%
Non-deductible goodwill		2.60%		0.00%	0.00%
Domestic manufacturing deduction		(2.00%)		(2.90%)	(2.30%)
Other, net		(2.70%)	[1]	(0.90%)	(0.70%)
Effective income tax rate	19.20%	31.40%		33.30%	33.30%
General Mills de Venezuela CA Subsidiary [Member]
Divestitures [Line Items]
Effective income tax rate reconciliation, tax benefit related to divestiture		(0.60%)

[1] Fiscal 2016 includes 0.6 percent tax benefit related to the divestiture of our business in Venezuela . See Note 3 for additional information.