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EMPLOYEE BENEFIT PLANS (Net Actuarial Loss (Gain) Recorded in Accumulated Other Comprehensive Net (Loss) Income) (Details)
$ in Millions
12 Months Ended
Jun. 30, 2023
USD ($)
Retirement Income | Retirement Income  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Net actuarial loss (gain) as of beginning of year $ 222
Amortization during the year (9)
Loss (gain) during the year 0
Net actuarial loss (gain) as of end of year 213
Retirement Health Care | Retirement Health Care  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Net actuarial loss (gain) as of beginning of year (15)
Amortization during the year 2
Loss (gain) during the year (1)
Net actuarial loss (gain) as of end of year $ (14)