Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details Textual)

v3.19.3.a.u2
Borrowings (Details Textual) - USD ($)
Nov. 30, 2019
Jul. 31, 2019
Jun. 30, 2019
Feb. 28, 2019
Oct. 31, 2018
Sep. 30, 2018
Nov. 30, 2017
Nov. 30, 2014
Schedule of Debt [Line Items]                
Debt instrument, face amount           $ 2,000,000,000.0    
Short-term borrowings $ 281,500,000     $ 791,500,000        
Unamortized debt issuance costs, long-term debt obligations 65,300,000              
Unamortized discount, long-term debt obligations 14,100,000              
Designated as hedging instrument [Member] | Interest rate swap contracts [Member]                
Schedule of Debt [Line Items]                
Aggregate notional value of derivative instruments 375,000,000.0   $ 375,000,000.0 0        
Average fixed interest rate, interest rate swap contracts     1.90%          
Commercial paper [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount 282,000,000.0              
Short-term borrowings $ 281,500,000     $ 732,500,000        
Interest rate 2.00%              
Commercial paper [Member] | Maximum [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount         $ 2,000,000,000.0      
Unsecured debt [Member] | Term Credit Agreement [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 1,500,000,000.0         1,500,000,000    
Unsecured debt [Member] | Three-Year Term Facility [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 500,000,000.0         500,000,000.0    
Interest rate 2.90%              
Unsecured debt [Member] | Five-Year Term Facility [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 1,000,000,000.0         $ 1,000,000,000.0    
Interest rate 3.00%              
Unsecured debt [Member] | 2019 Five-Year Term Facility [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 491,300,000   $ 491,300,000          
Interest rate 2.70%              
Unsecured debt [Member] | July 2019 Senior Notes [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount   $ 800,000,000.0            
Coupon rates of notes   3.15%            
Proceeds from issuance of long-term debt, net of discount and debt issuance costs $ 793,000,000.0              
Percentage of outstanding principal amount as redemption price 100.00%              
Basis points above adjusted treasury rate 20.00%              
Unsecured debt [Member] | November 2014 Senior Notes [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount               $ 400,000,000.0
Coupon rates of notes               3.875%
Unsecured debt [Member] | November Two Thousand Seventeen Two Year Senior Notes [Member]                
Schedule of Debt [Line Items]                
Debt instrument, face amount             $ 600,000,000.0  
Coupon rates of notes             2.00%