SUPPLEMENTAL FINANCIAL INFORMATION - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2024	Jun. 30, 2025	Sep. 30, 2024	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Foreign currency translation losses non-cash charge	$ 801	$ 752
Incremental restructuring charges incurred			$ 1,200
Restructuring charges		1,114		$ 659	$ 329
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 150		$ 248
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]		Cost of products sold		Cost of products sold
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 171		$ 155
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]		Selling, general and administrative expense		Selling, general and administrative expense
Other Nonoperating Income (Expense)
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 793		$ 255
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other non-operating income, net		Other non-operating income, net
Minimum
Restructuring Cost and Reserve [Line Items]
Historical restructuring costs, before tax		$ 250
Maximum
Restructuring Cost and Reserve [Line Items]
Historical restructuring costs, before tax		$ 500