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

Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments (Details Textual)

Equity Method Investments (Details Textual) $ / shares in Units, $ in Millions, $ in Millions						1 Months Ended		3 Months Ended		6 Months Ended
	Aug. 31, 2019 USD ($)	Jun. 27, 2019 USD ($) shares	Jun. 27, 2019 CAD ($) $ / shares shares	Nov. 01, 2018 USD ($)	Nov. 01, 2018 CAD ($) $ / shares shares	Nov. 30, 2017 USD ($)	Nov. 30, 2017 CAD ($) $ / shares shares	Aug. 31, 2019 USD ($)	Aug. 31, 2018 USD ($)	Aug. 31, 2019 USD ($)	Aug. 31, 2018 USD ($)	Feb. 28, 2019
Schedule of Equity Method Investments [Line Items]
Payments to acquire investments										$ 33.0	$ 152.1
Equity in earnings (losses) of equity method investees								$ (485.6)	$ (2.1)	(588.6)	2.6
Common shares to be repurchased for cancellation under share repurchase credit feature \| shares		27,378,866	27,378,866
Unrealized net gain (loss) on securities measured at fair value								$ (839.1)	692.1	$ (1,666.6)	950.4
Canopy Equity Method Investment [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	35.60%				36.60%			35.60%		35.60%		36.00%
Equity in earnings (losses) of equity method investees								$ (484.4)		$ (590.4)
Fair value of equity method investment	$ 2,916.0							2,916.0		2,916.0
New November 2018 Canopy Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings (losses) of equity method investees		$ (409.0)
New Tranche B Warrants and New Tranche C Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Warrant reduction due to open market or private agreement purchases \| shares		20,000,000	20,000,000
New Tranche B Warrants and New Tranche C Warrants [Member] \| Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Dollar value of common shares to be repurchased for cancellation under share repurchase credit feature			$ 1,583.0
November 2017 Canopy Investment [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investment, ownership percentage							9.90%
Equity securities [Member]
Schedule of Equity Method Investments [Line Items]
Payments to acquire investments				$ 3,869.9	$ 5,078.7	$ 191.3	$ 245.0
Equity securities [Member] \| November 2017 Canopy Investment [Member]
Schedule of Equity Method Investments [Line Items]
Unrealized net gain (loss) on securities measured at fair value								0.0	328.1	0.0	461.0
Common Stock [Member] \| November 2018 Canopy Investment [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares acquired \| shares					104,500,000
Common Stock [Member] \| November 2017 Canopy Investment [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares acquired \| shares							18,900,000
Warrant [Member] \| Canopy Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Payments to acquire investments	$ 6,100.0
Warrant [Member] \| November 2017 Canopy Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares							18,900,000
Exercise price of warrants, C$ per share \| $ / shares							$ 12.98
Unrealized net gain (loss) on securities measured at fair value								(316.7)	310.5	(450.8)	435.9
Warrant [Member] \| November 2018 Canopy Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares					139,700,000
Unrealized net gain (loss) on securities measured at fair value									$ 0.0		$ 0.0
Warrant [Member] \| Tranche A Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares					88,500,000
Exercise price of warrants, C$ per share \| $ / shares					$ 50.40
Warrant [Member] \| Tranche B Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares					51,200,000
Warrant [Member] \| New November 2018 Canopy Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares			139,700,000
Unrealized net gain (loss) on securities measured at fair value		$ 1,176.0						$ (473.6)		$ (1,134.4)
Warrant [Member] \| New Tranche A Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares			88,500,000
Exercise price of warrants, C$ per share \| $ / shares			$ 50.40
Unrealized net gain (loss) on securities measured at fair value		322.5
Warrant [Member] \| New Tranche B Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares			38,400,000
Exercise price of warrants, C$ per share \| $ / shares			$ 76.68
Unrealized net gain (loss) on securities measured at fair value		$ 853.5
Warrant [Member] \| New Tranche C Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares to be acquired upon exercise of warrants \| shares			12,800,000