Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Narrative (Details)

v3.21.4
Borrowings - Narrative (Details) - USD ($)
3 Months Ended
Nov. 30, 2021
Jul. 31, 2021
Aug. 31, 2021
Feb. 28, 2021
Nov. 30, 2017
Oct. 31, 2017
May 31, 2017
Schedule of Debt [Line Items]              
Short-term borrowings $ 243,000,000.0     $ 0      
Unamortized debt issuance costs, long-term debt obligations 59,900,000            
Unamortized discount, long-term debt obligations 19,100,000            
Unsecured debt              
Schedule of Debt [Line Items]              
Basis points above adjusted treasury rate   15.00%          
2.25% July 2021 Senior Notes | Unsecured debt              
Schedule of Debt [Line Items]              
Debt instrument, face amount   $ 1,000,000,000          
Coupon rates of notes   2.25%          
Proceeds from issuance of long-term debt, net of discount and debt issuance costs 987,200,000            
Percentage of outstanding principal amount as redemption price   100.00%          
2.70% May 2017 Senior Notes | Unsecured debt              
Schedule of Debt [Line Items]              
Debt instrument, face amount             $ 500,000,000
Coupon rates of notes             2.70%
Percentage of outstanding principal amount as redemption price     100.00%        
Make-whole payment     $ 26,600,000        
2.65% November 2017 Senior Notes | Unsecured debt              
Schedule of Debt [Line Items]              
Debt instrument, face amount         $ 700,000,000    
Coupon rates of notes         2.65%    
Percentage of outstanding principal amount as redemption price     100.00%        
Make-whole payment     $ 26,600,000        
Commercial paper              
Schedule of Debt [Line Items]              
Debt instrument, face amount 243,000,000         $ 2,000,000,000  
Short-term borrowings $ 243,000,000     $ 0      
Interest rate 0.30%            
Weighted average remaining term 6 days