v3.26.1
EQUITY METHOD INVESTMENTS (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Feb. 02, 2026
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]            
Equity method investment balance $ 1,384   $ 1,384     $ 1,834
Equity method investment income (loss) 7 $ 67 72 $ 127    
Accounts payable and equipment project payables $ 10,104   $ 10,104     8,809
Prolec GE            
Schedule of Equity Method Investments [Line Items]            
Voting equity interest acquired 50.00%   50.00%   50.00%  
Aero Alliance            
Schedule of Equity Method Investments [Line Items]            
Purchases of products and services $ 275 166 $ 476 292    
Aero Alliance | Related Party            
Schedule of Equity Method Investments [Line Items]            
Accounts payable and equipment project payables 73   73     55
Operating segments | Power            
Schedule of Equity Method Investments [Line Items]            
Equity method investment balance 938   938     922
Equity method investment income (loss) 24 16 41 6    
Operating segments | Electrification            
Schedule of Equity Method Investments [Line Items]            
Equity method investment balance 83   83     479
Equity method investment income (loss) (2) 54 54 104    
Operating segments | Wind            
Schedule of Equity Method Investments [Line Items]            
Equity method investment balance 26   26     30
Equity method investment income (loss) 0 0 0 0    
Corporate            
Schedule of Equity Method Investments [Line Items]            
Equity method investment balance 336   336     $ 403
Equity method investment income (loss) $ (15) $ (3) $ (22) $ 17