v3.26.1
Contingencies and Legal Proceedings (Details)
$ in Millions
12 Months Ended
Jun. 30, 2026
USD ($)
Site Contingency [Line Items]  
Loss contingency accrual $ 14
Loss contingency, estimate of possible loss 27
Loss contingency, letters of credit 20
Loss contingency, judicial insurance 1
Loss contingency, cash deposited 17
Accrual for environmental loss contingencies, component amount 59
Threshold to determine disclosure of proceedings 1
Potentially responsible party  
Site Contingency [Line Items]  
Accrual for environmental loss contingencies, component amount $ 10