Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details)

v3.19.3
Borrowings (Details) - USD ($)
6 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Jun. 30, 2019
Feb. 28, 2019
Sep. 30, 2018
Short-term Debt          
Short-term borrowings $ 150,900,000     $ 791,500,000  
Long-term Debt          
Other, Current 11,900,000        
Other, Long-term 13,300,000        
Other, Total 25,200,000     28,900,000  
Long-term debt, Current 636,100,000     1,065,200,000  
Long-term debt, Long-term 12,159,800,000     11,759,800,000  
Long-term debt, Total 12,795,900,000     12,825,000,000.0  
Debt instrument, face amount         $ 2,000,000,000.0
Partial repayment Five-Year Term Facility 1,331,500,000 $ 23,500,000      
Unsecured debt [Member] | Senior credit facility, Term loan [Member]          
Long-term Debt          
Unsecured debt, Current 0        
Unsecured debt, Long-term 0        
Unsecured debt, Total 0     492,800,000  
Unsecured debt [Member] | Term Loan Credit Facilities [Member]          
Long-term Debt          
Unsecured debt, Current 24,600,000        
Unsecured debt, Long-term 1,528,300,000        
Unsecured debt, Total 1,552,900,000     1,486,400,000  
Unsecured debt [Member] | Senior notes [Member]          
Long-term Debt          
Unsecured debt, Current 599,600,000        
Unsecured debt, Long-term 10,618,200,000        
Unsecured debt, Total 11,217,800,000     10,816,900,000  
Unsecured debt [Member] | Three-Year Term Facility [Member]          
Long-term Debt          
Unsecured debt, Total 499,600,000        
Debt instrument, face amount $ 500,000,000.0       500,000,000.0
Interest rate 3.40%        
LIBOR margin 1.13%        
Unsecured debt [Member] | Five-Year Term Facility [Member]          
Long-term Debt          
Unsecured debt, Total $ 562,000,000.0        
Debt instrument, face amount $ 1,000,000,000.0       1,000,000,000.0
Interest rate 3.50%        
LIBOR margin 1.25%        
Partial repayment Five-Year Term Facility $ 400,000,000.0        
Unsecured debt [Member] | Term Credit Agreement [Member]          
Long-term Debt          
Debt instrument, face amount 1,500,000,000.0       $ 1,500,000,000
Unsecured debt [Member] | 2019 Five-Year Term Facility [Member]          
Long-term Debt          
Unsecured debt, Total 491,300,000        
Debt instrument, face amount $ 491,300,000   $ 491,300,000    
Interest rate 3.10%        
LIBOR margin 0.88%        
Senior credit facility, Revolving credit loans [Member]          
Short-term Debt          
Short-term borrowings $ 0     59,000,000.0  
Long-term Debt          
Debt instrument, face amount $ 2,000,000,000.0        
Interest rate 0.00%        
LIBOR margin 1.13%        
Remaining borrowing capacity $ 1,836,800,000        
Letters of credit [Member]          
Long-term Debt          
Debt instrument, face amount 200,000,000.0        
Outstanding letters of credit 12,200,000        
Commercial paper [Member]          
Short-term Debt          
Short-term borrowings 150,900,000     $ 732,500,000  
Long-term Debt          
Debt instrument, face amount $ 151,000,000.0        
Interest rate 2.40%