Constellation Brands, Inc. Annual report pursuant to Section 13 and 15(d)

Significant Customers and Concentration of Credit Risk (Details)	12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016
Net sales [Member] \| Customer concentration risk [Member]
Concentration Risk [Line Items]
Concentration risk, Percentage	32.50%	32.60%	31.70%
Net sales [Member] \| Customer concentration risk [Member] \| Southern Glazer's Wine and Spirits [Member]
Concentration Risk [Line Items]
Concentration risk, Percentage	13.00%	14.10%	13.40%
Accounts receivable [Member] \| Credit concentration risk [Member] \| Southern Glazer's Wine and Spirits [Member]
Concentration Risk [Line Items]
Concentration risk, Percentage	28.10%	32.10%	32.00%