Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Credit Agreements (Details)

v3.20.4
Borrowings - Credit Agreements (Details) - USD ($)
Nov. 30, 2020
Mar. 31, 2020
Feb. 29, 2020
Oct. 31, 2018
Schedule of Debt [Line Items]        
Debt instrument, face amount   $ 2,000,000,000.0    
Short-term borrowings $ 40,000,000.0   $ 238,900,000  
2019 Five-Year Term Facility | Unsecured debt        
Schedule of Debt [Line Items]        
Debt instrument, face amount 491,300,000 $ 491,300,000    
Unsecured Debt $ 460,500,000      
Interest rate 1.00%      
LIBOR margin 0.88%      
Revolving credit facility        
Schedule of Debt [Line Items]        
Debt instrument, face amount $ 2,000,000,000.0      
Short-term borrowings $ 0      
Interest rate 0.00%      
LIBOR margin 0.00%      
Remaining borrowing capacity $ 1,948,200,000      
Letters of credit        
Schedule of Debt [Line Items]        
Debt instrument, face amount 200,000,000.0      
Outstanding letters of credit 11,800,000      
Commercial paper        
Schedule of Debt [Line Items]        
Debt instrument, face amount       $ 2,000,000,000.0
Short-term borrowings $ 40,000,000.0   $ 238,900,000  
Interest rate 0.40%