Quarterly report pursuant to Section 13 or 15(d)

Accounting Guidance (Details)

v3.8.0.1
Accounting Guidance (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
May 31, 2018
May 31, 2017
Feb. 28, 2018
Statement of Financial Position [Abstract]      
Other accrued expenses and liabilities $ 649.6   $ 678.3
Total current liabilities 1,990.5   2,039.6
Other liabilities 1,124.0   1,089.8
Total liabilities 12,530.9   12,547.0
Retained earnings 12,002.4   9,157.2
Total stockholders’ equity 10,565.8   7,991.7
Statement of Comprehensive Income [Abstract]      
Sales 2,230.0 $ 2,108.3  
Net sales 2,047.1 1,928.5  
Gross profit 1,048.6 988.3  
Operating income 625.4 561.1  
Income before income taxes 902.0 472.4  
Provision for income taxes (155.7) (71.4)  
Net income 746.3 401.0  
Net income attributable to CBI 743.8 398.5  
Comprehensive income attributable to CBI 568.1 586.0  
Class A Common Stock [Member]      
Statement of Comprehensive Income [Abstract]      
Net income attributable to CBI $ 660.6 $ 354.7  
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic $ 3.93 $ 2.07  
Net income per common share attributable to CBI, diluted $ 3.77 $ 1.98  
Class B Convertible Common Stock [Member]      
Statement of Comprehensive Income [Abstract]      
Net income attributable to CBI $ 83.2 $ 43.8  
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic $ 3.57 $ 1.88  
Net income per common share attributable to CBI, diluted $ 3.48 $ 1.83  
Accounting Standards Update 2014-09, Revenue recognition [Member]      
Statement of Financial Position [Abstract]      
Other accrued expenses and liabilities     678.3
Total current liabilities     2,039.6
Other liabilities     1,089.8
Total liabilities     12,547.0
Retained earnings     9,157.2
Total stockholders’ equity     7,991.7
Deferred income taxes     694.4
Statement of Comprehensive Income [Abstract]      
Sales   $ 2,108.3  
Net sales   1,928.5  
Gross profit   988.3  
Operating income   561.1  
Income before income taxes   472.4  
Provision for income taxes   (71.4)  
Net income   401.0  
Net income attributable to CBI   398.5  
Comprehensive income attributable to CBI   $ 586.0  
Accounting Standards Update 2014-09, Revenue recognition [Member] | Class A Common Stock [Member]      
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic   $ 2.07  
Net income per common share attributable to CBI, diluted   1.98  
Accounting Standards Update 2014-09, Revenue recognition [Member] | Class B Convertible Common Stock [Member]      
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic   1.88  
Net income per common share attributable to CBI, diluted   $ 1.83  
Accounting Standards Update 2014-09, Revenue recognition [Member] | As Previously Reported [Member]      
Statement of Financial Position [Abstract]      
Other accrued expenses and liabilities     583.4
Total current liabilities     1,944.7
Other liabilities     1,113.7
Total liabilities     12,476.0
Retained earnings     9,228.2
Total stockholders’ equity     8,062.7
Deferred income taxes     718.3
Statement of Comprehensive Income [Abstract]      
Sales   $ 2,115.3  
Net sales   1,935.5  
Gross profit   995.3  
Operating income   568.1  
Income before income taxes   479.4  
Provision for income taxes   (74.1)  
Net income   405.3  
Net income attributable to CBI   402.8  
Comprehensive income attributable to CBI   $ 590.3  
Accounting Standards Update 2014-09, Revenue recognition [Member] | As Previously Reported [Member] | Class A Common Stock [Member]      
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic   $ 2.09  
Net income per common share attributable to CBI, diluted   2.00  
Accounting Standards Update 2014-09, Revenue recognition [Member] | As Previously Reported [Member] | Class B Convertible Common Stock [Member]      
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic   1.90  
Net income per common share attributable to CBI, diluted   $ 1.85  
Accounting Standards Update 2014-09, Revenue recognition [Member] | Revenue Recognition Adjustment [Member]      
Statement of Financial Position [Abstract]      
Other accrued expenses and liabilities     94.9
Total current liabilities     94.9
Other liabilities     (23.9)
Total liabilities     71.0
Retained earnings     (71.0)
Total stockholders’ equity     $ (71.0)
Statement of Comprehensive Income [Abstract]      
Sales   $ (7.0)  
Net sales   (7.0)  
Gross profit   (7.0)  
Operating income   (7.0)  
Income before income taxes   (7.0)  
Provision for income taxes   2.7  
Net income   (4.3)  
Net income attributable to CBI   (4.3)  
Comprehensive income attributable to CBI   $ (4.3)  
Accounting Standards Update 2014-09, Revenue recognition [Member] | Revenue Recognition Adjustment [Member] | Class A Common Stock [Member]      
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic   $ (0.02)  
Net income per common share attributable to CBI, diluted   (0.02)  
Accounting Standards Update 2014-09, Revenue recognition [Member] | Revenue Recognition Adjustment [Member] | Class B Convertible Common Stock [Member]      
Net income per common share attributable to CBI:      
Net income per common share attributable to CBI, basic   (0.02)  
Net income per common share attributable to CBI, diluted   $ (0.02)