Annual report pursuant to Section 13 and 15(d)

Goodwill (Details)

v3.19.1
Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Changes in the Carrying Amount of Goodwill [Rollforward]    
Goodwill, beginning of period $ 8,083.1 $ 7,920.5
Purchase accounting allocations 25.0 120.1
Foreign currency translation adjustments (19.3) 42.5
Goodwill, end of period 8,088.8 8,083.1
Operating Segments [Member] | Beer [Member]    
Changes in the Carrying Amount of Goodwill [Rollforward]    
Goodwill, beginning of period 5,157.6 5,053.0
Purchase accounting allocations 22.3 63.9
Foreign currency translation adjustments (12.0) 40.7
Goodwill, end of period 5,167.9 5,157.6
Operating Segments [Member] | Beer [Member] | Obregon Brewery [Member]    
Changes in the Carrying Amount of Goodwill [Rollforward]    
Purchase accounting allocations   13.8
Operating Segments [Member] | Wine and Spirits [Member]    
Changes in the Carrying Amount of Goodwill [Rollforward]    
Goodwill, beginning of period 2,925.5 2,867.5
Purchase accounting allocations 2.7 56.2
Foreign currency translation adjustments (7.3) 1.8
Goodwill, end of period $ 2,920.9 $ 2,925.5