v3.26.3
Segments - Schedule of Adjusted EBITDA and Reconciling Items (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reconciling Items:        
Interest expense and other finance charges $ (148) $ (67) $ (481) $ (203)
Depreciation, amortization and accretion (122) (61) (273) (198)
Nuclear fuel amortization (27) (27) (73) (71)
Unrealized gain (loss) on commodity derivative contracts (190) 36 (555) (54)
Nuclear decommissioning trust funds gain (loss), net 18 81 130 149
Stock-based and other long-term incentive compensation expense (54) (18) (127) (49)
Gain (loss) on sale of assets, net (Note 17) 66 25 69 36
Non-cash impairments and other charges (1) (1) (2) (11)
Acquisition and divestiture activities (2) (8) (39) (12)
Operational and other restructuring activities (4) (3) (11) (6)
Other items (10) (16) (7) (20)
Income (loss) before income taxes 195 304 147 214
Operating Segments | PJM        
Segment Adjusted EBITDA:        
Adjusted EBITDA 684 365 1,541 689
Reconciling Items:        
Interest expense and other finance charges 0 0 0 0
Operating Segments | Other        
Segment Adjusted EBITDA:        
Adjusted EBITDA 6 16 21 24
Reconciling Items:        
Interest expense and other finance charges 0 0 0 0
Corporate and Eliminations        
Segment Adjusted EBITDA:        
Adjusted EBITDA (21) (18) (46) (60)
Reconciling Items:        
Interest expense and other finance charges $ (148) $ (67) $ (481) $ (203)