v3.26.1
Short-term Financing (Description of Credit Facilities) (Parenthetical) (Details) - USD ($)
$ in Millions
May 31, 2026
Jan. 23, 2026
May 31, 2025
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Maximum Amount Available $ 2,000.0   $ 2,000.0
2020 PNC Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Maximum Amount Available   $ 250.0  
2020 PNC Credit Facility [Member] | PNC Bank, National Association [Member] | PNC $250 Million Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Weighted-average interest rate 3.87%    
Maximum Amount Available     $ 250.0