EQUITY AND REDEEMABLE NONCONTROLLING INTEREST - Changes in Accumulated Other Comprehensive Income (Loss) (Details) $ in Millions	6 Months Ended
	Dec. 31, 2024 USD ($)
Changes in AOCI, net of tax, by component
Balance, beginning of the period	$ 5,314
OCI before reclassification	(178)
Amounts reclassified to Net loss	(23)
Net current-period OCI	(201)
Balance, end of the period	4,169
Accumulated Other Comprehensive Loss
Changes in AOCI, net of tax, by component
Balance, beginning of the period	(1,140)
Balance, end of the period	(1,341)
Net Cash Flow Hedge Gain (Loss)
Changes in AOCI, net of tax, by component
Balance, beginning of the period	57
OCI before reclassification	18
Amounts reclassified to Net loss	(19)
Net current-period OCI	(1)
Balance, end of the period	56
Tax provision (benefit)	5
Cross-Currency Swap Contracts - Fair Value Hedge
Changes in AOCI, net of tax, by component
Balance, beginning of the period	(5)
OCI before reclassification	12
Amounts reclassified to Net loss	(7)
Net current-period OCI	5
Balance, end of the period	0
Tax provision (benefit)	4
Amounts Included in Net Periodic Benefit Cost
Changes in AOCI, net of tax, by component
Balance, beginning of the period	(183)
OCI before reclassification	0
Amounts reclassified to Net loss	3
Net current-period OCI	3
Balance, end of the period	(180)
Translation Adjustments
Changes in AOCI, net of tax, by component
Balance, beginning of the period	(1,009)
OCI before reclassification	(208)
Amounts reclassified to Net loss	0
Net current-period OCI	(208)
Balance, end of the period	(1,217)
Tax provision (benefit)	$ 7