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OTHER CONTINGENCIES AND GUARANTEES (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2022
Jun. 30, 2021
Loss Contingencies [Line Items]    
Liability for aggregate future remediation costs $ 28 $ 28
Letter of credit 14  
Letter of credit, amount outstanding 0  
Alameda County, California Matter    
Loss Contingencies [Line Items]    
Liability for aggregate future remediation costs $ 14 14
Remediation period (in years) 30 years  
Maximum undiscounted costs $ 28  
Dickinson County, Michigan Matter    
Loss Contingencies [Line Items]    
Liability for aggregate future remediation costs $ 9 $ 10
Remediation period (in years) 30 years  
Percentage of liability for aggregate remediation and associated costs, other than legal fees 24.30%