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GOODWILL AND OTHER INTANGIBLES - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) segment reportingUnit | Jun. 30, 2024 USD ($) | Jun. 30, 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 | $ 3 | $ 0 | 42 | $ 0 |
Battery & Charging Systems |  |  |  |  |
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |  |  |
Impairment |  |  | $ (13) |  |
Fair value exceeded including goodwill, percent | 18.00% |  | 18.00% |  | 18.00%
Impairment charges |  |  | $ 22 |  |

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