EMPLOYEE BENEFIT PLANS - Schedule of Retirement Income Plans with ABO or PBO in Excess of Plan Assets (Details) - Retirement Income - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025
ABO Exceeds the Fair Value of Plan Assets
Projected benefit obligation	$ 96	$ 98
Accumulated benefit obligation	95	97
Fair value of plan assets	0	0
PBO Exceeds the Fair Value of Plan Assets
Projected benefit obligation	97	100
Accumulated benefit obligation	95	98
Fair value of plan assets	$ 1	$ 2

Amount of accumulated benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
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Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
-Name Accounting Standards Codification
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