v3.26.1
GOODWILL AND OTHER INTANGIBLES - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
segment
reportingUnit
Jun. 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  
Held-for-sale | SSE Business        
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]        
Impairment of goodwill   $ 13   $ 13
Impairment of intangible assets   $ 22   $ 22
Battery Energy Systems        
Schedule Of Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]        
Impairment of goodwill $ 410