STOCKHOLDERS' EQUITY (Schedule of Changes in Accumulated Other Comprehensive Net (Losses) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	$ 908
Other comprehensive (loss) income before reclassifications	95	$ (56)	$ (25)
Amounts reclassified from Accumulated other comprehensive net (loss) income	14	17	12
Income tax benefit (expense)	(15)	1	(3)
Total other comprehensive (loss) income, net of tax	94	(38)	(16)
Cumulative effect of accounting changes	411	908
Balance, amount	411	908
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(450)	(414)	(384)
Other comprehensive (loss) income before reclassifications	53	(35)	(20)
Amounts reclassified from Accumulated other comprehensive net (loss) income	(5)	0	0
Income tax benefit (expense)	(1)	(1)	(2)
Total other comprehensive (loss) income, net of tax	47	(36)	(22)
Cumulative effect of accounting changes	(403)	(450)	(414)
Balance, amount	(403)	(450)	(414)
Foreign currency translation adjustments | Cumulative effect of accounting changes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount			(8)
Cumulative effect of accounting changes
Net unrealized gains (losses) on derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(18)	(23)	(25)
Other comprehensive (loss) income before reclassifications	44	(5)	(5)
Amounts reclassified from Accumulated other comprehensive net (loss) income	5	10	6
Income tax benefit (expense)	(10)	0	1
Total other comprehensive (loss) income, net of tax	39	5	2
Cumulative effect of accounting changes	21	(18)	(23)
Balance, amount	21	(18)	(23)
Net unrealized gains (losses) on derivatives | Cumulative effect of accounting changes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount			0
Cumulative effect of accounting changes
Pension and postretirement benefit adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(172)	(165)	(138)
Other comprehensive (loss) income before reclassifications	(2)	(16)	0
Amounts reclassified from Accumulated other comprehensive net (loss) income	14	7	6
Income tax benefit (expense)	(4)	2	(2)
Total other comprehensive (loss) income, net of tax	8	(7)	4
Cumulative effect of accounting changes	(164)	(172)	(165)
Balance, amount	(164)	(172)	(165)
Pension and postretirement benefit adjustments | Cumulative effect of accounting changes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount			(31)
Cumulative effect of accounting changes
Accumulated other comprehensive net (loss) income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(640)	(602)	(547)
Total other comprehensive (loss) income, net of tax	94	(38)	(16)
Cumulative effect of accounting changes	(546)	(640)	(602)
Balance, amount	$ (546)	$ (640)	(602)
Accumulated other comprehensive net (loss) income | Cumulative effect of accounting changes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount			$ (39)
Cumulative effect of accounting changes