v3.25.2
Pension and Other Postretirement Benefits - Schedule of Weighted Average Asset Allocations by Asset Category (Details) - Pension benefits
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]    
Benefit plan weighted-average asset allocations percentage 100.00% 100.00%
Equity investments    
Defined Benefit Plan Disclosure [Line Items]    
Benefit plan weighted-average asset allocations percentage 22.00% 31.00%
Fixed income investments, including cash    
Defined Benefit Plan Disclosure [Line Items]    
Benefit plan weighted-average asset allocations percentage 72.00% 61.00%
Other    
Defined Benefit Plan Disclosure [Line Items]    
Benefit plan weighted-average asset allocations percentage 6.00% 8.00%