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, 2024	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 1,368	$ 1,296
Pension Plans | Retirement Growth Account
Defined Benefit Plan Disclosure
Projected benefit obligation	825	807
Accumulated benefit obligation	800	774
Fair value of plan assets	801	753
Pension Plans | Pension Plans Restoration
Defined Benefit Plan Disclosure
Projected benefit obligation	116	105
Accumulated benefit obligation	108	95
Fair value of plan assets	0	0
Pension Plans | International
Defined Benefit Plan Disclosure
Projected benefit obligation	541	522	$ 562
Accumulated benefit obligation	484	467
Fair value of plan assets	567	541	579
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	102	275
Pension plans with projected benefit obligations in excess of the plans' assets, aggregate fair value of plan assets	3	179
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	89	84
Pension plans with accumulated benefit obligations in excess of the plans' assets, aggregate fair value of plan assets	3	3
Other than Pension Plans
Defined Benefit Plan Disclosure
Projected benefit obligation	144	176	177
Accumulated benefit obligation	0	0
Fair value of plan assets	$ 0	$ 2	$ 14