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EMPLOYEE BENEFIT PLANS (Items Not Yet Recognized as a Component of Postretirement Expense) (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Jun. 30, 2022
Retirement Income | Retirement Income    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) $ 213 $ 222
Prior service benefit (5)  
Net deferred income tax (assets) liabilities (50)  
Accumulated other comprehensive loss (income) 158  
Retirement Health Care | Retirement Health Care    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) (14) $ (15)
Prior service benefit 0  
Net deferred income tax (assets) liabilities 3  
Accumulated other comprehensive loss (income) $ (11)