v3.26.1
RELATED PARTY TRANSACTIONS - Schedule of Income Statement (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues        
Power purchase and revenue agreements $ (4) $ (2) $ 1 $ 24
Development services 0 3 0 14
Revenues (4)      
Revenues   1 1 38
Other income        
Distribution income 0 17 0 29
Interest and other investment income 38 0 47 5
Other income, net 38 17 47 34
Direct operating costs        
Other related party services (7) 0 (16) (7)
Interest expense        
Borrowings (37) (32) (88) (112)
Contract balance accretion (11) (9) (21) (19)
Total interest expense (48) (41) (109) (131)
Other        
Other related party services expense 0 (1) 0 (2)
Financial instrument (loss) gain (1) 6 (8) 6
Total other revenue (1) 5 (8) 4
Management service costs (77) (56) (150) (105)
Investment tax credits $ 0 $ 0 $ 0 $ 19