Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments - Long-Lived Assets, Long-lived Assets Held for Sale, and Trademarks (Details)

v3.22.1
Fair Value of Financial Instruments - Long-Lived Assets, Long-lived Assets Held for Sale, and Trademarks (Details) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 29, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment of brewery construction in progress $ 665.9 $ 0.0 $ 0.0
Impairment of assets held for sale 0.0 24.0 449.7
Trademarks, carrying value 2,755.2 2,732.1  
Construction in progress      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment of brewery construction in progress 665.9    
Nonrecurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment of brewery construction in progress 665.9    
Impairment of assets held for sale   24.0 449.7
Nonrecurring | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment of trademarks   6.0 11.0
Nonrecurring | Operating Segments | Beer | Mexicali Brewery | Construction in progress      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long-lived assets, carrying value 685.9    
Long-lived assets, estimated fair value $ 20.0    
Nonrecurring | Operating Segments | Beer | Trademarks      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks, carrying value   10.0 28.0
Trademarks, estimated fair value   4.0 17.0
Impairment of trademarks   6.0 11.0
Nonrecurring | Operating Segments | Beer | Ballast Point Divestiture | Disposal Group, Not Discontinued Operations      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets held for sale, carrying value     81.3
Assets held for sale, estimated fair value     41.1
Impairment of assets held for sale     42.7
Nonrecurring | Operating Segments | Wine and Spirits | Wine and Spirits Divestitures and Concentrate Business Divestiture | Disposal Group, Not Discontinued Operations      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets held for sale, carrying value   736.4 1,291.2
Assets held for sale, estimated fair value   712.4 908.2
Impairment of assets held for sale   $ 24.0 $ 407.0