Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value of Financial Instruments - Narrative (Details)

v3.25.1
Fair Value of Financial Instruments - Narrative (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Feb. 28, 2025
USD ($)
Aug. 31, 2024
USD ($)
Feb. 28, 2025
USD ($)
Feb. 29, 2024
USD ($)
Feb. 28, 2023
USD ($)
May 31, 2023
USD ($)
Aug. 31, 2022
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Long-term debt, including current portion $ 10,691.0   $ 10,691.0 $ 11,637.9      
Goodwill impairment     2,740.7        
Assets held for sale impairment     478.0 0.0 $ 0.0    
Equity method investments impairment     $ 8.7 136.1 1,060.3    
Measurement Input Royalty Rate | Valuation Technique Relief from Royalty Method | Held for sale brands trademark unit              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Measurement Input 0.03   0.03        
Measurement Input Royalty Rate | Valuation Technique Relief from Royalty Method | Remaining brands trademark unit              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Measurement Input 0.07   0.07        
Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Measurement Input 0.10 0.09 0.10        
Measurement Input, Discount Rate | Valuation Technique Relief from Royalty Method              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Measurement Input 0.11   0.11        
Measurement Input, Long-Term Revenue Growth Rate | Valuation Technique, Discounted Cash Flow              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Measurement Input 0.015 0.015 0.015        
Measurement Input, Long-Term Revenue Growth Rate | Valuation Technique Relief from Royalty Method              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Measurement Input 0.015   0.015        
Trademarks              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Trademarks, carrying value $ 2,517.1   $ 2,517.1 2,715.2      
Canopy equity method investment              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Equity method investments, carrying value           $ 266.2 $ 1,695.1
Equity method investments, fair value           $ 142.7 $ 634.8
Equity method investments impairment       123.5 1,060.3    
Operating Segments | Wine and Spirits              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Goodwill impairment     2,740.7        
Operating Segments | Wine and Spirits | Disposal Group, Not Discontinued Operations              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Asset held for sale, carrying value 913.5   913.5        
Operating Segments | Wine and Spirits | Trademarks              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Trademarks, carrying value 182.8   182.8        
Trademarks, estimated fair value 125.8   125.8        
Impairment of trademarks     57.0        
Operating Segments | Beer              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Goodwill impairment     0.0        
Operating Segments | Beer | Trademarks              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Trademarks, carrying value         13.0    
Nonrecurring              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Goodwill impairment     2,740.7        
Assets held for sale impairment     478.0        
Equity method investments impairment     8.7 136.1 1,060.3    
Long-lived assets impairment         53.5    
Nonrecurring | Trademarks              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Impairment of trademarks     57.0   13.0    
Nonrecurring | Operating Segments | Wine and Spirits              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Goodwill impairment 490.7 $ 2,250.0          
Nonrecurring | Operating Segments | Wine and Spirits | Disposal Group, Not Discontinued Operations | 2025 Wine Divestitures Transaction              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Asset held for sale, carrying value 1,357.8   1,357.8        
Assets held for sale, estimated fair value 879.8   879.8        
Assets held for sale impairment     478.0        
Nonrecurring | Operating Segments | Beer | Trademarks              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Impairment of trademarks         13.0    
Nonrecurring | Operating Segments | Craft Beer Business              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Long-lived assets, carrying value         59.8    
Long-lived assets, estimated fair value         6.3    
Long-lived assets impairment         $ 53.5    
Carrying amount              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Long-term debt, including current portion 10,691.0   10,691.0 11,637.9      
Fair value              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Long-term debt, including current portion $ 9,990.0   $ 9,990.0 $ 10,775.8