PENSION, DEFERRED COMPENSATION AND POST-RETIREMENT BENEFIT PLANS - Projected and Accumulated Benefit Obligation and Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 1,437	$ 1,368
Pension Plans \| Retirement Growth Account
Defined Benefit Plan Disclosure
Projected benefit obligation	846	825
Accumulated benefit obligation	825	800
Fair value of plan assets	826	801
Pension Plans \| Pension Plans Restoration
Defined Benefit Plan Disclosure
Projected benefit obligation	118	116
Accumulated benefit obligation	112	108
Fair value of plan assets	0	0
Pension Plans \| International
Defined Benefit Plan Disclosure
Projected benefit obligation	595	541	$ 522
Accumulated benefit obligation	532	484
Fair value of plan assets	611	567	541
Defined benefit plans with obligations in excess of plan assets:
Pension plans with projected benefit obligations in excess of the plans' assets, aggregate projected benefit obligations	326	102
Pension plans with projected benefit obligations in excess of the plans' assets, aggregate fair value of plan assets	214	3
Defined benefit plans with accumulated benefit obligations in excess of plan assets:
Pension plans with accumulated benefit obligations in excess of the plans' assets, aggregate accumulated benefit obligations	91	89
Pension plans with accumulated benefit obligations in excess of the plans' assets, aggregate fair value of plan assets	4	3
Other than Pension Plans
Defined Benefit Plan Disclosure
Projected benefit obligation	143	144	176
Accumulated benefit obligation	0	0
Fair value of plan assets	$ 0	$ 0	$ 2

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

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