PENSION, DEFERRED COMPENSATION AND POST-RETIREMENT BENEFIT PLANS - Amounts Recognized in AOCI (Before Tax) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
AOCI (before tax)
Translation adjustments	$ 145	$ 127	$ 438
Total amounts recognized in AOCI	243
Net actuarial (gains) losses recognized
AOCI (before tax)
Balance, beginning of year	235
Actuarial losses (gains) recognized	27
Amortization and settlements included in net periodic benefit cost	4
Translation adjustments	(1)
Balance, end of year	265	235
Net prior service cost (credit) recognized
AOCI (before tax)
Balance, beginning of year	0
Amortization and settlements included in net periodic benefit cost	3
Prior service cost recognized	(25)
Balance, end of year	(22)	0
Pension Plans | U.S.
AOCI (before tax)
Total amounts recognized in AOCI	269	237
Pension Plans | U.S. | Net actuarial (gains) losses recognized
AOCI (before tax)
Balance, beginning of year	235
Actuarial losses (gains) recognized	37
Amortization and settlements included in net periodic benefit cost	(4)
Translation adjustments	0
Balance, end of year	268	235
Pension Plans | U.S. | Net prior service cost (credit) recognized
AOCI (before tax)
Balance, beginning of year	2
Amortization and settlements included in net periodic benefit cost	(1)
Prior service cost recognized	0
Balance, end of year	1	2
Pension Plans | International
AOCI (before tax)
Total amounts recognized in AOCI	(5)	(9)
Pension Plans | International | Net actuarial (gains) losses recognized
AOCI (before tax)
Balance, beginning of year	(7)
Actuarial losses (gains) recognized	(4)
Amortization and settlements included in net periodic benefit cost	8
Translation adjustments	(1)
Balance, end of year	(4)	(7)
Pension Plans | International | Net prior service cost (credit) recognized
AOCI (before tax)
Balance, beginning of year	(2)
Amortization and settlements included in net periodic benefit cost	1
Prior service cost recognized	0
Balance, end of year	(1)	(2)
Other than Pension Plans
AOCI (before tax)
Total amounts recognized in AOCI	(21)	7
Other than Pension Plans | Net actuarial (gains) losses recognized
AOCI (before tax)
Balance, beginning of year	7
Actuarial losses (gains) recognized	(6)
Amortization and settlements included in net periodic benefit cost	0
Translation adjustments	0
Balance, end of year	1	7
Other than Pension Plans | Net prior service cost (credit) recognized
AOCI (before tax)
Balance, beginning of year	0
Amortization and settlements included in net periodic benefit cost	3
Prior service cost recognized	(25)
Balance, end of year	$ (22)	$ 0