v3.26.1
LONG-TERM BORROWINGS - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Feb. 04, 2026
Jun. 30, 2026
Jun. 30, 2025
Feb. 02, 2026
Dec. 31, 2025
Debt Instrument [Line Items]          
Proceeds from issuance of long term borrowings   $ 2,567 $ 0    
Line of credit outstanding   $ 0      
Prolec GE          
Debt Instrument [Line Items]          
Voting equity interest acquired   50.00%   50.00%  
Senior notes          
Debt Instrument [Line Items]          
Aggregate principal amount $ 2,600        
Proceeds from issuance of long term borrowings 2,543        
Senior notes | 4.250% senior notes due 2031          
Debt Instrument [Line Items]          
Aggregate principal amount $ 600        
Stated interest rate 4.25% 4.25%      
Senior notes | 4.875% senior notes due 2036          
Debt Instrument [Line Items]          
Aggregate principal amount $ 1,000        
Stated interest rate 4.875% 4.875%      
Senior notes | 5.500% senior notes due 2056          
Debt Instrument [Line Items]          
Aggregate principal amount $ 1,000        
Stated interest rate 5.50% 5.50%      
Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 6,000      
Line of credit | Revolving credit facility | Revolving credit facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity   3,000      
Line of credit | Standby letter of credit and bank guarantee facility | Standby letters of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity   3,000      
Estimated fair value          
Debt Instrument [Line Items]          
Debt, fair value   2,553     $ 11
Carrying value          
Debt Instrument [Line Items]          
Debt, fair value   $ 2,552     $ 11