EMPLOYEE BENEFIT PLANS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
One-time noncash settlement charge, net of curtailment gain	$ 171	$ 0	$ 171	$ 0
Net periodic benefit cost	5	4	10	8
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	176	4	181	8
Retirement plan contributions	2	2	4	4
Retirement Health Care | Postretirement Health Coverage
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost	$ 0	$ 0	$ 0	$ 0