Annual report pursuant to Section 13 and 15(d)

Accumulated Other Comprehensive Income (Loss) (Details 1)

v3.8.0.1
Accumulated Other Comprehensive Income (Loss) (Details 1) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Feb. 29, 2016
Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect [Rollforward]      
Accumulated other comprehensive loss, beginning of period $ 6,891.2    
Other comprehensive income (loss)      
Accumulated other comprehensive loss, end of period 8,046.1 $ 6,891.2  
Accumulated Other Comprehensive Income (Loss) [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect [Rollforward]      
Accumulated other comprehensive loss, beginning of period (399.8)    
Other comprehensive income (loss)      
Other comprehensive income (loss) before reclassification adjustments 201.3    
Amounts reclassified from accumulated other comprehensive loss (4.4)    
Other comprehensive income (loss) attributable to CBI, Net of Tax Amount 196.9 52.7 $ (321.6)
Accumulated other comprehensive loss, end of period (202.9) (399.8)  
Foreign Currency Translation Adjustments [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect [Rollforward]      
Accumulated other comprehensive loss, beginning of period (358.0)    
Other comprehensive income (loss)      
Other comprehensive income (loss) before reclassification adjustments 145.7    
Amounts reclassified from accumulated other comprehensive loss 0.0    
Other comprehensive income (loss) attributable to CBI, Net of Tax Amount 145.7    
Accumulated other comprehensive loss, end of period (212.3) (358.0)  
Net Unrealized Gains (Losses) on Derivative Instruments [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect [Rollforward]      
Accumulated other comprehensive loss, beginning of period (38.0)    
Other comprehensive income (loss)      
Other comprehensive income (loss) before reclassification adjustments 56.9    
Amounts reclassified from accumulated other comprehensive loss (4.4)    
Other comprehensive income (loss) attributable to CBI, Net of Tax Amount 52.5    
Accumulated other comprehensive loss, end of period 14.5 (38.0)  
Net Unrealized Losses on AFS Debt Securities [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect [Rollforward]      
Accumulated other comprehensive loss, beginning of period (2.3)    
Other comprehensive income (loss)      
Other comprehensive income (loss) before reclassification adjustments (0.2)    
Amounts reclassified from accumulated other comprehensive loss 0.0    
Other comprehensive income (loss) attributable to CBI, Net of Tax Amount (0.2)    
Accumulated other comprehensive loss, end of period (2.5) (2.3)  
Pension/ Postretirement Adjustments [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Income Tax Effect [Rollforward]      
Accumulated other comprehensive loss, beginning of period (1.5)    
Other comprehensive income (loss)      
Other comprehensive income (loss) before reclassification adjustments (1.1)    
Amounts reclassified from accumulated other comprehensive loss 0.0    
Other comprehensive income (loss) attributable to CBI, Net of Tax Amount (1.1)    
Accumulated other comprehensive loss, end of period $ (2.6) $ (1.5)