GOODWILL AND OTHER INTANGIBLES - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 segment reportingUnit	Dec. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Number of reportable segments \| segment	4
Number of goodwill reporting units \| reportingUnit	4
Held-for-sale \| SSE Business
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment of goodwill			$ 13
Impairment of intangible assets			$ 22
Battery Energy Systems
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment of goodwill		$ 410

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.