SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023
Property, Plant and Equipment
Property, plant and equipment, gross	$ 7,245		$ 7,245		$ 6,908
Less accumulated depreciation and amortization	(4,025)		(4,025)		(3,729)
Property, plant and equipment, net	3,220		3,220		3,179
Depreciation and amortization of property, plant and equipment	163	$ 138	325	$ 274
Land and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	$ 74		$ 74		$ 70
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	$ 909		$ 909		$ 843
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	$ 1,160		$ 1,160		$ 1,071
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)	10 years		10 years		10 years
Computer hardware and software
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,810		$ 1,810		$ 1,651
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	$ 140		$ 140		$ 136
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	$ 2,426		$ 2,426		$ 2,310
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 726		$ 726		$ 827