SHARE-BASED COMPENSATION AND POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]
Share-based Payment Arrangement, Expense	$ 158	$ 156	$ 433	$ 406
Pension Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	52	45	160	132
Other Postretirement Benefit Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ (156)	$ (131)	$ (467)	$ (395)