DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Derivative Asset and Liabilities, Offset (Details) - USD ($) $ in Millions	Dec. 31, 2023	Jun. 30, 2023
Derivative assets
Gross Amounts of Assets / (Liabilities) Presented in Balance Sheet	$ 55	$ 98
Contracts Subject to Netting	(32)	(53)
Net Amounts of Assets / (Liabilities)	23	45
Derivative liabilities
Gross Amounts of Assets / (Liabilities) Presented in Balance Sheet	(176)	(199)
Contracts Subject to Netting	32	53
Net Amounts of Assets / (Liabilities)	(144)	(146)
Derivative Total
Gross Amounts of Assets / (Liabilities) Presented in Balance Sheet	(121)	(101)
Contracts Subject to Netting	0	0
Net Amounts of Assets / (Liabilities)	$ (121)	$ (101)