Annual report pursuant to Section 13 and 15(d)

Borrowings - Credit Agreements (Details)

v3.23.1
Borrowings - Credit Agreements (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 28, 2023
Jun. 30, 2021
Feb. 28, 2023
Feb. 28, 2022
Feb. 28, 2021
Dec. 31, 2022
Aug. 31, 2022
Mar. 31, 2020
Schedule of Debt [Line Items]                
Short-term borrowings $ 1,165,300,000   $ 1,165,300,000 $ 323,000,000.0        
Partial repayment     2,159,700,000 1,365,300,000 $ 2,721,300,000      
Five-Year Term Facility | Unsecured debt                
Schedule of Debt [Line Items]                
Debt instrument, face amount 491,300,000   491,300,000          
Unsecured debt $ 300,000,000.0   $ 300,000,000.0          
Interest rate 5.50%   5.50%          
Partial repayment   $ 142,100,000            
Five-Year Term Facility | Unsecured debt | Secured Overnight Financing Rate                
Schedule of Debt [Line Items]                
SOFR margin 0.88%   0.88%          
Three-Year Term Facility | Unsecured debt                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 1,000,000,000   $ 1,000,000,000       $ 1,000,000,000 $ 500,000,000
Unsecured debt $ 500,000,000.0   $ 500,000,000.0          
Interest rate 5.80%   5.80%          
Partial repayment $ 500,000,000              
Three-Year Term Facility | Unsecured debt | Secured Overnight Financing Rate                
Schedule of Debt [Line Items]                
SOFR margin 1.13%   1.13%          
Revolving credit facility                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 2,250,000,000   $ 2,250,000,000         $ 2,000,000,000
Short-term borrowings $ 0   $ 0          
Interest rate 0.00%   0.00%          
Remaining borrowing capacity $ 1,068,500,000   $ 1,068,500,000          
Revolving credit facility | Secured Overnight Financing Rate                
Schedule of Debt [Line Items]                
SOFR margin 0.00%   0.00%          
Letters of credit                
Schedule of Debt [Line Items]                
Debt instrument, face amount $ 200,000,000   $ 200,000,000          
Outstanding letters of credit 12,000,000.0   12,000,000.0          
Commercial paper                
Schedule of Debt [Line Items]                
Debt instrument, face amount 1,169,500,000   1,169,500,000     $ 2,250,000,000    
Short-term borrowings $ 1,165,300,000   $ 1,165,300,000 $ 323,000,000.0        
Interest rate 5.30%   5.30% 0.50%