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Financing Arrangement - Line of Credit Facility (Details) - Revolving Credit Facility - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2025
May 22, 2023
Mar. 22, 2023
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity     $ 500
Option to request additional commitments on credit facility   $ 500  
Debt instrument, basis spread on variable rate 0.10%    
Debt instrument, fee amount $ 2    
Line of credit facility, term 5 years