PENSION AND POST-RETIREMENT BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Pension Plans | U.S.
Components of net periodic benefit cost:
Service cost	$ 9	$ 9	$ 18	$ 18
Interest cost	12	11	25	23
Expected return on plan assets	(12)	(13)	(25)	(27)
Amortization of:
Actuarial loss (gain)	5	1	10	2
Prior service cost	0	0	0	0
Special termination benefits	0	0	0	0
Net periodic benefit cost	14	8	28	16
Pension Plans | International
Components of net periodic benefit cost:
Service cost	7	7	14	13
Interest cost	4	4	9	9
Expected return on plan assets	(6)	(6)	(13)	(12)
Amortization of:
Actuarial loss (gain)	(2)	(2)	(3)	(4)
Prior service cost	0	0	0	0
Special termination benefits	1	0	1	0
Net periodic benefit cost	4	3	8	6
Other than Pension Plans Post-retirement
Components of net periodic benefit cost:
Service cost	0	1	0	1
Interest cost	2	2	4	4
Expected return on plan assets	0	0	0	0
Amortization of:
Actuarial loss (gain)	0	0	0	0
Prior service cost	(1)	0	(3)	0
Special termination benefits	0	0	0	0
Net periodic benefit cost	$ 1	$ 3	$ 1	$ 5