Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details)

v3.19.2
Borrowings (Details) - USD ($)
May 31, 2019
Feb. 28, 2019
Sep. 30, 2018
Short-term Debt      
Short-term borrowings $ 586,400,000 $ 791,500,000  
Long-term Debt      
Other, Current 11,800,000    
Other, Long-term 13,000,000.0    
Other, Total 24,800,000 28,900,000  
Long-term debt, Current 1,065,400,000 1,065,200,000  
Long-term debt, Long-term 11,745,800,000 11,759,800,000  
Long-term debt, Total 12,811,200,000 12,825,000,000.0  
Debt instrument, face amount 2,500,000,000.0   $ 2,500,000,000
Unsecured debt [Member] | Senior credit facility, Term loan [Member]      
Long-term Debt      
Unsecured debt, Current 5,000,000.0    
Unsecured debt, Long-term 486,600,000    
Unsecured debt, Total 491,600,000 492,800,000  
Unsecured debt [Member] | Term Credit Agreement [Member]      
Long-term Debt      
Unsecured debt, Current 50,000,000.0    
Unsecured debt, Long-term 1,424,100,000    
Unsecured debt, Total 1,474,100,000 1,486,400,000  
Debt instrument, face amount 1,500,000,000.0   1,500,000,000
Unsecured debt [Member] | Senior notes [Member]      
Long-term Debt      
Unsecured debt, Current 998,600,000    
Unsecured debt, Long-term 9,822,100,000    
Unsecured debt, Total 10,820,700,000 10,816,900,000  
Unsecured debt [Member] | U.S. Term A-1 Facility [Member]      
Long-term Debt      
Unsecured debt, Total 491,600,000    
Debt instrument, face amount $ 500,000,000.0    
Interest rate 4.00%    
LIBOR margin 1.50%    
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 3.60%    
LIBOR margin 1.13%    
Unsecured debt [Member] | Five-Year Term Facility [Member]      
Long-term Debt      
Unsecured debt, Total $ 974,500,000    
Debt instrument, face amount $ 1,000,000,000.0   $ 1,000,000,000.0
Interest rate 3.70%    
LIBOR margin 1.25%    
Senior credit facility, Revolving credit loans [Member]      
Short-term Debt      
Short-term borrowings $ 55,000,000.0 59,000,000.0  
Long-term Debt      
Debt instrument, face amount $ 2,000,000,000.0    
Interest rate 3.60%    
LIBOR margin 1.13%    
Remaining borrowing capacity $ 1,400,600,000    
Letters of credit [Member]      
Long-term Debt      
Debt instrument, face amount 200,000,000.0    
Outstanding letters of credit 12,300,000    
Commercial paper [Member]      
Short-term Debt      
Short-term borrowings 531,400,000 $ 732,500,000  
Long-term Debt      
Debt instrument, face amount $ 532,100,000    
Interest rate 2.90%