EMPLOYEE BENEFIT PLANS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
One-time noncash settlement charge, net of curtailment gain	$ 0	$ 0	$ 171	$ 0
Plan assets contributed to defined contribution plan	19
Net periodic benefit cost	1	4	11	12
Retirement Income Plans \| UNITED STATES \| Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
One-time noncash settlement charge, net of curtailment gain	171
One-time noncash settlement charge, net of curtailment gain, after tax	130
Net periodic benefit cost	2	4	183	12
Retirement plan contributions	8	8	12	12
Retirement Health Care \| Postretirement Health Coverage
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost	$ (1)	$ (1)	$ (1)	$ (1)

Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment, Net of Tax

No definition available.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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+ References

No definition available.

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- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

+ References

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from settlement and curtailment.

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- Definition

Amount of cost for defined contribution plan.

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