SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024
Property, Plant and Equipment
Property, plant and equipment, gross	$ 7,424		$ 7,424		$ 7,166
Less accumulated depreciation and amortization	(4,365)		(4,365)		(4,030)
Property, plant and equipment, net	3,059		3,059		3,136
Depreciation and amortization of property, plant and equipment	167	$ 166	503	$ 491
Land and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	$ 71		$ 71		$ 68
Property, plant and equipment, useful life (in years)	10 years		10 years		10 years
Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	$ 998		$ 998		$ 929
Buildings and improvements | Minimum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	10 years		10 years		10 years
Buildings and improvements | Maximum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	40 years		40 years		40 years
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,354		$ 1,354		$ 1,253
Machinery and equipment | Minimum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	3 years		3 years		3 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	20 years		20 years		20 years
Computer hardware and software
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,911		$ 1,911		$ 1,861
Computer hardware and software | Minimum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	4 years		4 years		4 years
Computer hardware and software | Maximum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	10 years		10 years		10 years
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	$ 138		$ 138		$ 137
Furniture and fixtures | Minimum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	5 years		5 years		5 years
Furniture and fixtures | Maximum
Property, Plant and Equipment
Property, plant and equipment, useful life (in years)	10 years		10 years		10 years
Leasehold improvements
Property, Plant and Equipment
Property, plant and equipment, gross	$ 2,534		$ 2,534		$ 2,418
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 418		$ 418		$ 500