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

Derivative Instruments (Details Textual) $ in Millions	12 Months Ended
Derivative Instruments (Details Textual) $ in Millions	Feb. 28, 2018 USD ($)
Derivative [Line Items]
Amount of net gains, net of income tax effect, to be reclassified from AOCI to earnings within the next 12 months	$ 10.0
Fair value of derivative instruments in a net liability position due to counterparties	$ 3.7
Designated as hedging instrument [Member] \| Cash flow hedging [Member]
Derivative [Line Items]
Average maturity period for derivative instruments	3 years
Designated as hedging instrument [Member] \| Cash flow hedging [Member] \| Maximum [Member]
Derivative [Line Items]
Maximum maturity period for derivative instruments	5 years
Not designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Average maturity period for derivative instruments	12 months
Not designated as hedging instrument [Member] \| Commodity derivative contracts [Member]
Derivative [Line Items]
Average maturity period for derivative instruments	36 months
Not designated as hedging instrument [Member] \| Maximum [Member] \| Commodity derivative contracts [Member]
Derivative [Line Items]
Maximum maturity period for derivative instruments	5 years