v3.26.1
Comprehensive Income (Loss) Attributable to CBI - Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect (Details) - USD ($)
$ in Millions
 3 Months Ended
May 31, 2026
May 31, 2025
Accumulated other comprehensive income (loss), net of income tax effect [Roll Forward]    
Stockholders' equity, beginning of period $ 8,082.4  
Other comprehensive income (loss):    
Other comprehensive income (loss) attributable to CBI, net of tax amount (88.8) $ 364.3
Stockholders' equity, period end 8,255.6  
Accumulated Other Comprehensive Income (Loss)    
Accumulated other comprehensive income (loss), net of income tax effect [Roll Forward]    
Stockholders' equity, beginning of period 423.2  
Other comprehensive income (loss):    
Other comprehensive income (loss) before reclassification adjustments (53.5)  
Amounts reclassified from accumulated other comprehensive income (loss) (31.9)  
Other comprehensive income (loss) attributable to CBI, net of tax amount (85.4) 350.7
Stockholders' equity, period end 337.8  
Accumulated Other Comprehensive Income (Loss) | Share of OCI of Equity Method Investments    
Accumulated other comprehensive income (loss), net of income tax effect [Roll Forward]    
Stockholders' equity, beginning of period (0.5)  
Other comprehensive income (loss):    
Other comprehensive income (loss) before reclassification adjustments 0.0 0.0
Amounts reclassified from accumulated other comprehensive income (loss) 0.5 0.2
Other comprehensive income (loss) attributable to CBI, net of tax amount 0.5 0.2
Stockholders' equity, period end 0.0  
Foreign Currency Translation Adjustments    
Accumulated other comprehensive income (loss), net of income tax effect [Roll Forward]    
Stockholders' equity, beginning of period 143.8  
Other comprehensive income (loss):    
Other comprehensive income (loss) before reclassification adjustments (64.1) 243.5
Amounts reclassified from accumulated other comprehensive income (loss) 0.0 0.0
Other comprehensive income (loss) attributable to CBI, net of tax amount (64.1) $ 243.5
Stockholders' equity, period end 79.7  
Unrealized Net Gain (Loss) on Derivative Instruments    
Accumulated other comprehensive income (loss), net of income tax effect [Roll Forward]    
Stockholders' equity, beginning of period 285.4  
Other comprehensive income (loss):    
Other comprehensive income (loss) before reclassification adjustments 10.5  
Amounts reclassified from accumulated other comprehensive income (loss) (32.4)  
Other comprehensive income (loss) attributable to CBI, net of tax amount (21.9)  
Stockholders' equity, period end 263.5  
Pension/ Postretirement Adjustments    
Accumulated other comprehensive income (loss), net of income tax effect [Roll Forward]    
Stockholders' equity, beginning of period (5.5)  
Other comprehensive income (loss):    
Other comprehensive income (loss) before reclassification adjustments 0.1  
Amounts reclassified from accumulated other comprehensive income (loss) 0.0  
Other comprehensive income (loss) attributable to CBI, net of tax amount 0.1  
Stockholders' equity, period end $ (5.4)