v3.25.2
RETIREMENT BENEFIT OBLIGATIONS - Schedule of Assumptions Used (Details)
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Postretirement Benefits      
Weighted-average assumptions used to determine benefit obligations      
Discount rate 5.30% 5.50% 5.50%
Weighted-average assumptions used to determine net periodic benefit cost      
Discount rate for PBO 5.50% 5.50% 4.60%
Discount rate for service cost 5.60% 5.50% 4.90%
Discount rate for interest on PBO 5.40% 5.60% 4.30%
U.S.      
Weighted-average assumptions used to determine benefit obligations      
Discount rate 5.50% 5.60% 5.40%
Weighted-average assumptions used to determine net periodic benefit cost      
Discount rate for PBO 5.60% 5.40% 4.90%
Discount rate for interest on PBO 5.50% 5.50% 4.60%
Expected return on plan assets 5.80% 6.00% 5.50%
Foreign Pension Benefits      
Weighted-average assumptions used to determine benefit obligations      
Discount rate 5.50% 5.20% 5.40%
Rate of increase in future compensation 2.60% 2.90% 3.90%
Weighted-average assumptions used to determine net periodic benefit cost      
Discount rate for PBO 5.20% 5.40% 3.90%
Discount rate for service cost 5.30% 5.40% 4.80%
Discount rate for interest on PBO 5.10% 5.70% 3.80%
Expected return on plan assets 5.90% 5.40% 3.90%
Rate of increase in future compensation 2.90% 3.90% 3.90%