EMPLOYEE BENEFIT PLANS - Schedule of Components of Net Periodic Benefit (Credit) Cost (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Total	$ 3	$ 1	$ 0	$ 11
UNITED STATES \| Retirement Income
Defined Benefit Plan Disclosure [Line Items]
Weighted average long-term expected rate or return on plan assets (percentage)			5.80%
UNITED STATES \| Retirement Income \| Retirement Income Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	2	$ 4	10
Expected return on plan assets	0	0	(1)	(2)
Amortization of unrecognized items	0	0	0	3
Curtailment gain	0	0	0	(6)
Settlement (gain) loss	2	0	(2)	178
Total	$ 3	$ 2	$ 1	$ 183

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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