Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments (Details)

v3.21.2
Equity Method Investments (Details)
shares in Millions, $ in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Aug. 31, 2021
USD ($)
shares
May 01, 2020
USD ($)
shares
May 01, 2020
CAD ($)
shares
Aug. 31, 2021
USD ($)
shares
May 31, 2021
USD ($)
Aug. 31, 2020
USD ($)
May 31, 2020
USD ($)
Aug. 31, 2021
USD ($)
shares
Aug. 31, 2020
USD ($)
Feb. 28, 2021
USD ($)
Schedule of Equity Method Investments [Line Items]                    
Equity method investments, carrying value $ 2,819.0     $ 2,819.0   $ 2,931.9   $ 2,819.0 $ 2,931.9 $ 2,788.4
Net sales       2,371.1   2,260.4   4,397.6 4,223.8  
Gross profit (loss)       1,229.7   1,215.8   2,349.0 2,204.1  
Net income (loss)       11.9 $ (897.3) 521.8 $ (172.6) (885.4) 349.2  
Net income (loss) attributable to CBI       $ 1.5   512.1   $ (906.6) 334.2  
Common Stock                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, number of common shares acquired (in shares) | shares 142.3     142.3       142.3    
Equity securities                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire investments $ 3,044.3                  
Canopy Equity Method Investment                    
Schedule of Equity Method Investments [Line Items]                    
Net sales       $ 110.8   79.7   $ 228.1 160.0  
Gross profit (loss)       22.2   4.7   29.9 (52.6)  
Net income (loss)       317.4   (92.6)   (169.7) (1,066.2)  
Net income (loss) attributable to CBI       319.4   (78.3)   (233.5) (1,031.7)  
Canopy Equity Method Investment                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investments, carrying value $ 2,580.2     $ 2,580.2       $ 2,580.2   $ 2,578.8
Equity method investment, ownership percentage 36.20%     36.20%       36.20%   38.10%
Fair value of equity method investment $ 2,448.1     $ 2,448.1       $ 2,448.1   $ 4,679.3
Equity in earnings (losses) from Canopy and related activities       120.5   (31.0)   (35.3) (408.6)  
Other equity method investments                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investments, carrying value $ 238.8     238.8       238.8   $ 209.6
Equity in earnings (losses) from Canopy and related activities       $ (1.3)   $ (2.1)   $ 0.4 $ 1.6  
Other equity method investments | Minimum                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, ownership percentage 20.00%     20.00%       20.00%   20.00%
Other equity method investments | Maximum                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, ownership percentage 50.00%     50.00%       50.00%   50.00%
November 2017 Canopy Investment | Common Stock                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, number of common shares acquired (in shares) | shares 18.9     18.9       18.9    
November 2017 Canopy Investment | Equity securities                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire investments $ 130.1                  
November 2018 Canopy Investment | Common Stock                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, number of common shares acquired (in shares) | shares 104.5     104.5       104.5    
November 2018 Canopy Investment | Equity securities                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire investments $ 2,740.3                  
May 2020 Canopy Investment | Common Stock                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, number of common shares acquired (in shares) | shares 18.9 18.9 18.9 18.9       18.9    
May 2020 Canopy Investment | Equity securities                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire investments $ 173.9 $ 173.9 $ 245.0