Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v3.6.0.2
Goodwill (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Nov. 30, 2016
Feb. 29, 2016
Changes in the carrying amount of goodwill [Roll Forward]    
Goodwill, beginning of period $ 7,138.6 $ 6,208.2
Purchase accounting allocations 375.1 965.1
Foreign currency translation adjustments 4.2 (34.7)
Goodwill, end of period 7,517.9 7,138.6
Operating Segments [Member] | Beer [Member]    
Changes in the carrying amount of goodwill [Roll Forward]    
Goodwill, beginning of period 4,530.1 3,776.2
Purchase accounting allocations   761.8
Foreign currency translation adjustments (4.4) (7.9)
Goodwill, end of period 4,527.1 4,530.1
Purchase accounting allocations, adjustments 1.4  
Operating Segments [Member] | Wine and Spirits [Member]    
Changes in the carrying amount of goodwill [Roll Forward]    
Goodwill, beginning of period 2,608.5 2,432.0
Purchase accounting allocations 373.7 203.3
Foreign currency translation adjustments 8.6 (26.8)
Goodwill, end of period $ 2,990.8 $ 2,608.5