Constellation Brands, Inc. Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details) - USD ($) $ in Millions	Nov. 30, 2019	Jun. 30, 2019	Feb. 28, 2019
Designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	$ 1,891.0		$ 1,579.3
Designated as hedging instrument [Member] \| Interest rate swap contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	375.0	$ 375.0	0.0
Not designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	1,030.2		460.3
Not designated as hedging instrument [Member] \| Commodity derivative contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	$ 261.5		$ 284.7