v3.26.3
GOODWILL AND OTHER INTANGIBLES - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2025
USD ($)
Sep. 30, 2026
reportingUnit
segment
Sep. 30, 2025
USD ($)
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  
Battery Energy Systems      
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]      
Impairment of goodwill $ 410    
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