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Borrowings - Narrative (Details) - USD ($)
6 Months Ended
Apr. 06, 2023
Apr. 05, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Line of Credit Facility [Line Items]          
Interest coverage ratio     13.7    
Outstanding letters of credit     $ 183,900,000    
Revolving Credit Facility | Credit Agreement          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity $ 1,000,000,000 $ 1,000,000,000      
Term of debt 5 years 5 years      
Interest coverage ratio required     300.00%    
Borrowings under credit facility     $ 0   $ 0
Revolving Credit Facility | Credit Facility Maturing April 2024          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity $ 500,000,000        
Term of debt 364 days        
Option to extend maturity date, period of extension. 364 days        
Commercial paper          
Line of Credit Facility [Line Items]          
Increase (decrease) in borrowings     $ (289,436,000)    
Weighted average interest rate     5.33%   4.61%
Principal     $ 1,500,000,000 $ 1,000,000,000