Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Information (Unaudited) (Details)

v3.21.1
Selected Quarterly Financial Information (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Summary of selected quarterly financial information          
Net sales $ 1,953.0 $ 1,902.9 $ 8,614.9 $ 8,343.5 $ 8,116.0
Gross profit 993.7 949.8 4,466.0 4,151.9 4,080.3
Net income (loss) attributable to CBI 382.9 398.4 1,998.0 (11.8) 3,435.9
Earnings Per Share [Abstract]          
Unrealized net gain (loss) on securities measured at fair value, net of income tax effect 206.3 56.9      
Gain (loss) on sale of business, net of income tax effect 15.6 5.2      
Equity in earnings (losses) from Canopy, net of income tax effect (189.5) (15.6)      
(Loss on) recovery of write-down of certain inventory as a result of smoke damage sustained during wildfires (34.4) 0.0      
Net income tax (provision) benefit recognized for adjustments to valuation allowances (4.8) (25.0) (27.1) 32.8 74.1
Impairment of assets held for sale, net of income tax effect 0.0 (33.2)      
Commodity derivative contracts          
Earnings Per Share [Abstract]          
Net gain (loss) on undesignated commodity derivative contracts $ 19.2 $ (19.2)      
Class A Common Stock          
Summary of selected quarterly financial information          
Net income (loss) attributable to CBI     $ 1,777.2 $ (10.2) $ 3,049.5
Earnings Per Share [Abstract]          
Net income (loss) per common share attributable to CBI, basic (in dollars per share) $ 2.00 $ 2.10 $ 10.44 $ (0.07) $ 18.24
Net income (loss) per common share attributable to CBI, diluted (in dollars per share) 1.95 2.04 $ 10.23 $ (0.07) $ 17.57
Class B Convertible Common Stock          
Summary of selected quarterly financial information          
Net income (loss) attributable to CBI     $ 220.8 $ (1.6) $ 386.4
Earnings Per Share [Abstract]          
Net income (loss) per common share attributable to CBI, basic (in dollars per share) 1.81 1.91 $ 9.48 $ (0.07) $ 16.57
Net income (loss) per common share attributable to CBI, diluted (in dollars per share) $ 1.80 $ 1.89 $ 9.42 $ (0.07) $ 16.21