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

Stockholders' Equity (Details Textual)

Stockholders' Equity (Details Textual) (USD $)	12 Months Ended	1 Months Ended
Stockholders' Equity (Details Textual) (USD $)	Feb. 28, 2015	Apr. 30, 2015	Apr. 30, 2011	Apr. 30, 2012
Class of Stock [Line Items]
Number of classes of outstanding common stock	2
Class B Convertible Common Stock [Member]
Class of Stock [Line Items]
Common stock, conversion features	convertible into shares of Class A Common Stock on a one-to-one basis
Common stock, voting rights	ten votes per share
Class B Convertible Common Stock [Member] \| Subsequent Event [Member]
Class of Stock [Line Items]
Quarterly cash dividend declared		$ 0.28
Class A Common Stock [Member]
Class of Stock [Line Items]
Common stock, voting rights	one vote per share
Common stock, dividend rights	10.00%
Class A Common Stock [Member] \| Subsequent Event [Member]
Class of Stock [Line Items]
Quarterly cash dividend declared		$ 0.31
Class 1 Common Stock [Member]
Class of Stock [Line Items]
Common stock, conversion features	convertible into shares of Class A Common Stock on a one-to-one basis
Common stock, voting rights	generally have no voting rights
Class 1 Common Stock [Member] \| Subsequent Event [Member]
Class of Stock [Line Items]
Quarterly cash dividend declared		$ 0.28
Class A and Class B [Member] \| 2012 Authorization [Member]
Class of Stock [Line Items]
Maximum authorized repurchase of common stock			$ 500,000,000.0
Class A and Class B [Member] \| 2013 Authorization [Member]
Class of Stock [Line Items]
Maximum authorized repurchase of common stock				$ 1,000,000,000.0