Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Impairment of Brewery Construction in Progress and Long-lived Assets Held for Sale (Details)

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Fair Value of Financial Instruments - Impairment of Brewery Construction in Progress and Long-lived Assets Held for Sale (Details) - USD ($)
$ in Millions
3 Months Ended
May 31, 2021
May 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment of brewery construction in progress $ 665.9 $ 0.0
Impairment of assets held for sale 0.0 25.0
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   25.0
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   809.0
Assets held for sale, estimated fair value   784.0
Impairment of assets held for sale   $ 25.0
Nonrecurring | 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  
Impairment of brewery construction in progress $ 665.9