Annual report pursuant to Section 13 and 15(d)

Borrowings - Credit Agreements (Details)

v3.24.1.u1
Borrowings - Credit Agreements (Details) - USD ($)
Feb. 29, 2024
Feb. 28, 2023
Dec. 31, 2022
Apr. 30, 2022
Mar. 31, 2022
Schedule of Debt [Line Items]          
Short-term borrowings $ 241,400,000 $ 1,165,300,000      
2022 Restatement Agreement | Line of Credit          
Schedule of Debt [Line Items]          
Maximum borrowing capacity       $ 2,250,000,000 $ 2,000,000,000
Revolving credit facility          
Schedule of Debt [Line Items]          
Short-term borrowings $ 0 $ 0      
Interest rate 0.00% 0.00%      
Remaining borrowing capacity $ 1,997,000,000 $ 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]          
Outstanding letters of credit $ 11,500,000 $ 12,000,000.0      
Letters of credit | 2022 Restatement Agreement          
Schedule of Debt [Line Items]          
Maximum borrowing capacity       $ 200,000,000  
Commercial paper          
Schedule of Debt [Line Items]          
Short-term borrowings $ 241,400,000 $ 1,165,300,000      
Interest rate 5.70% 5.30%      
Debt instrument, face amount $ 241,500,000 $ 1,169,500,000 $ 2,250,000,000