PENSION AND POST-RETIREMENT BENEFIT PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Pension Plans | U.S.
Components of net periodic benefit cost:
Service cost	$ 9	$ 9	$ 18	$ 18
Interest cost	11	10	23	20
Expected return on plan assets	(13)	(14)	(27)	(28)
Amortization of:
Actuarial loss (gain)	1	1	2	2
Net periodic benefit cost	8	6	16	12
Pension Plans | International
Components of net periodic benefit cost:
Service cost	7	6	13	13
Interest cost	4	4	9	7
Expected return on plan assets	(6)	(4)	(12)	(8)
Amortization of:
Actuarial loss (gain)	(2)	(1)	(4)	(2)
Net periodic benefit cost	3	5	6	10
Other than Pension Plans Post-retirement
Components of net periodic benefit cost:
Service cost	1	0	1	0
Interest cost	2	2	4	4
Expected return on plan assets	0	0	0	0
Amortization of:
Actuarial loss (gain)	0	0	0	0
Net periodic benefit cost	$ 3	$ 2	$ 5	$ 4