Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details)

v3.19.3.a.u2
Borrowings (Details) - USD ($)
 9 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Jun. 30, 2019
Feb. 28, 2019
Sep. 30, 2018
Short-term Debt          
Short-term borrowings $ 281,500,000     $ 791,500,000  
Long-term Debt          
Other, Current 12,000,000.0        
Other, Long-term 14,300,000        
Other, Total 26,300,000     28,900,000  
Long-term debt, Current 734,800,000     1,065,200,000  
Long-term debt, Long-term 11,339,700,000     11,759,800,000  
Long-term debt, Total 12,074,500,000     12,825,000,000.0  
Debt instrument, face amount         $ 2,000,000,000.0
Partial repayment 2,061,000,000.0 $ 45,300,000      
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 1,402,200,000        
Unsecured debt, Total 1,426,800,000     1,486,400,000  
Unsecured debt [Member] | Senior notes [Member]          
Long-term Debt          
Unsecured debt, Current 698,200,000        
Unsecured debt, Long-term 9,923,200,000        
Unsecured debt, Total 10,621,400,000     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 2.90%        
LIBOR margin 1.13%        
Unsecured debt [Member] | Five-Year Term Facility [Member]          
Long-term Debt          
Unsecured debt, Total $ 442,100,000        
Debt instrument, face amount $ 1,000,000,000.0       1,000,000,000.0
Interest rate 3.00%        
LIBOR margin 1.25%        
Partial repayment $ 520,000,000.0        
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 485,100,000        
Debt instrument, face amount $ 491,300,000   $ 491,300,000    
Interest rate 2.70%        
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 $ 1,706,200,000        
Letters of credit [Member]          
Long-term Debt          
Debt instrument, face amount 200,000,000.0        
Outstanding letters of credit 11,800,000        
Commercial paper [Member]          
Short-term Debt          
Short-term borrowings 281,500,000     $ 732,500,000  
Long-term Debt          
Debt instrument, face amount $ 282,000,000.0        
Interest rate 2.00%