DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details)	12 Months Ended
	Jun. 30, 2025 USD ($) agency	Jun. 30, 2024 USD ($)
Derivative
Derivative instruments
Minimum number of nationally recognized rating agencies | agency	2
Maximum exposure to credit risk in the event of non performance by counterparties, gross fair value of contracts in asset positions	$ 82,000,000
2.600% Senior Notes, due April 15, 2030 ("2030 Senior Notes") | Interest rate swap contracts
Derivative instruments
Notional amount	700,000,000
1.950% Senior Notes, due March 15, 2031 (“2031 Senior Notes”) | Interest rate swap contracts
Derivative instruments
Notional amount	300,000,000
Derivatives in Cash Flow Hedging Relationships
Derivative instruments
Accumulated net gain (loss) on derivative instruments in AOCI, before tax	(13,000,000)	$ 75,000,000
Amount expected to be reclassified from AOCI into earnings, net of tax, within the next twelve months	(29,000,000)
Derivatives in Cash Flow Hedging Relationships | Foreign currency forward contracts
Derivative instruments
Notional amount	1,517,000,000
Derivatives in Fair Value Hedging Relationships | Cross-currency swap contracts
Derivative instruments
Notional amount	491,000,000
Fair value hedge gain to be reclassified within 12 Months	14,000,000
Accumulated net gain (loss) on derivative instruments in AOCI, before tax	7,000,000	$ (7,000,000)
Derivatives in Fair Value Hedging Relationships | 2.600% Senior Notes, due April 15, 2030 ("2030 Senior Notes") | Interest rate swap contracts
Derivative instruments
Notional amount	700,000,000
Derivatives in Fair Value Hedging Relationships | 1.950% Senior Notes, due March 15, 2031 (“2031 Senior Notes”) | Interest rate swap contracts
Derivative instruments
Notional amount	300,000,000
Net investment hedges | Foreign Exchange Forward And Currency Swap
Derivative instruments
Notional amount	1,055,000,000
Derivatives Not Designated as Hedging Instruments
Derivative instruments
Notional amount	$ 3,250,000,000