GOODWILL AND OTHER INTANGIBLES - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2025 USD ($) segment reportingUnit	Mar. 31, 2024 USD ($)	Mar. 31, 2025 segment
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Number of reportable segments (in segments) \| segment	4		4
Number of reporting units \| reportingUnit	4
Impairment	$ (13)
Impairment charges	39	$ 0
Battery & Charging Systems
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment	$ (13)
Fair Value Exceeded Including Goodwill	18.00%		18.00%
Impairment charges	$ 22

Fair Value in Excess of Carrying Value, Goodwill, Percent

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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