Annual report [Section 13 and 15(d), not S-K Item 405]

Borrowings - Credit Agreements (Details)

v3.25.1
Borrowings - Credit Agreements (Details) - USD ($)
Feb. 28, 2025
Feb. 29, 2024
Dec. 31, 2022
Apr. 30, 2022
Mar. 31, 2022
Schedule of Debt [Line Items]          
Short-term borrowings $ 806,700,000 $ 241,400,000      
2022 Restatement Agreement | Line of Credit          
Schedule of Debt [Line Items]          
Maximum borrowing capacity       $ 2,250,000,000 $ 2,000,000,000
Letters of credit          
Schedule of Debt [Line Items]          
Outstanding letters of credit 11,300,000 11,500,000      
Letters of credit | 2022 Restatement Agreement          
Schedule of Debt [Line Items]          
Maximum borrowing capacity       $ 200,000,000.0  
Revolving credit facility          
Schedule of Debt [Line Items]          
Short-term borrowings $ 0 $ 0      
Interest rate 0.00% 0.00%      
SOFR margin 0.00% 0.00%      
Remaining borrowing capacity $ 1,430,700,000 $ 1,997,000,000      
Commercial paper          
Schedule of Debt [Line Items]          
Short-term borrowings $ 806,700,000 $ 241,400,000      
Interest rate 4.70% 5.70%      
Aggregate principal amount $ 808,000,000.0 $ 241,500,000 $ 2,250,000,000