v3.26.1
Pension and Other Postretirement Benefits - Schedule of Assumptions (Details)
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
U.S. Plans      
Rates of Future Salary Increases [Abstract]      
Rate of future salary increase 4.00% 4.00% 4.00%
Assumptions Used in Calculating Net Periodic Benefit Cost      
Rates of future salary increases 4.00% 4.00% 4.00%
Rate of return on plans assets 6.40% 6.50% 6.30%
International Plans      
Rates of Future Salary Increases [Abstract]      
Rate of future salary increase 300.00%    
Minimum | U.S. Plans      
Discount Rate      
Discount rate 4.80% 5.00% 5.70%
Assumptions Used in Calculating Net Periodic Benefit Cost      
Discount Rate 4.70% 5.70% 5.60%
Minimum | International Plans      
Discount Rate      
Discount rate 1.10% 1.20% 1.30%
Rates of Future Salary Increases [Abstract]      
Rate of future salary increase 1.50% 1.50% 1.80%
Assumptions Used in Calculating Net Periodic Benefit Cost      
Discount Rate 1.20% 1.30% 1.80%
Rates of future salary increases 1.50% 1.80% 1.80%
Rate of return on plans assets 1.30% 1.30% 1.80%
Maximum | U.S. Plans      
Discount Rate      
Discount rate 5.80% 5.60% 5.80%
Assumptions Used in Calculating Net Periodic Benefit Cost      
Discount Rate 5.60% 5.80% 6.30%
Maximum | International Plans      
Discount Rate      
Discount rate 6.90% 6.80% 7.20%
Rates of Future Salary Increases [Abstract]      
Rate of future salary increase 8.50% 7.50% 8.00%
Assumptions Used in Calculating Net Periodic Benefit Cost      
Discount Rate 6.80% 7.20% 7.30%
Rates of future salary increases 7.50% 8.00% 8.00%
Rate of return on plans assets 7.30% 7.50% 7.30%