Annual report pursuant to Section 13 and 15(d)

Short-term Financing (Narrative) (Details)

v3.22.2
Short-term Financing (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 15, 2022
Jun. 26, 2022
Jun. 15, 2022
Jun. 08, 2022
Jun. 01, 2022
Sep. 17, 2021
May 31, 2022
May 31, 2021
Revolving Credit Facility [Member]                
Financing [Line Items]                
Maximum borrowing capacity             $ 2,000.0  
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member]                
Financing [Line Items]                
Maximum borrowing capacity           $ 1,000.0 $ 1,000.0 [1]  
Expiration date [1]             Jul. 31, 2024  
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member]                
Financing [Line Items]                
Maximum borrowing capacity           500.0    
Revolving Credit Facility [Member] | JPM $750 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member]                
Financing [Line Items]                
Maximum borrowing capacity           $ 750.0 $ 750.0 [1]  
Expiration date           Sep. 17, 2026 Sep. 17, 2026 [1]  
Revolving Credit Facility [Member] | PNC $250 Million Credit Facility [Member] | PNC Bank, National Association [Member]                
Financing [Line Items]                
Maximum borrowing capacity             $ 250.0  
Expiration date             Feb. 06, 2023  
Weighted-average interest rate             2.34% 1.16%
Standby Letters of Credit [Member]                
Financing [Line Items]                
Maximum borrowing capacity             $ 140.2 $ 180.4
Amounts outstanding             $ 0.0 $ 0.0
Standby Letters of Credit [Member] | Subsequent Event [Member]                
Financing [Line Items]                
Expiration date Jul. 15, 2022 Jun. 26, 2022 Jun. 15, 2022 Jun. 08, 2022        
Renewal term         1 year      
Minimum [Member] | Revolving Credit Facility [Member]                
Financing [Line Items]                
Commitment fee, percentage             0.05%  
Minimum [Member] | Standby Letters of Credit [Member]                
Financing [Line Items]                
Expiration date             Jun. 08, 2022  
Maximum [Member] | Revolving Credit Facility [Member]                
Financing [Line Items]                
Commitment fee, percentage             0.15%  
Maximum [Member] | Standby Letters of Credit [Member]                
Financing [Line Items]                
Expiration date             May 26, 2023  
[1] JPM acts as the administrative agent for this syndicated credit facility.