v3.25.2
Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disaggregation of Revenue [Line Items]          
Revenue $ 2,855 $ 2,942 $ 5,781 $ 6,027  
Loans Receivable, Fair Value Disclosure 800   800   $ 0
Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 2,904 2,977 5,899 6,102  
Warrior Run          
Disaggregation of Revenue [Line Items]          
Asset derecognized due to sale of assets 267   267    
Mong Duong Subsidiary [Member]          
Disaggregation of Revenue [Line Items]          
Financing Receivable, Accrued Interest, after Allowance for Credit Loss 800   800    
Regulated Revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 927 865 1,903 1,712  
Other non-606 revenue 6 7 15 13  
Revenue 933 872 1,918 1,725  
Non-regulated revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 1,845 1,861 3,641 3,836  
Other non-606 revenue 77 209 222 466  
Revenue 1,922 2,070 3,863 4,302  
Corporate Other And Other Eliminations [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue (49) (35) (118) (75)  
Corporate Other And Other Eliminations [Member] | Regulated Revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 0 0 0 0  
Other non-606 revenue 0 0 0 0  
Revenue 0 0 0 0  
Corporate Other And Other Eliminations [Member] | Non-regulated revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax (49) (35) (118) (75)  
Other non-606 revenue 0 0 0 0  
Revenue (49) (35) (118) (75)  
Renewables | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 644 619 1,310 1,262  
Renewables | Regulated Revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 0 0 0 0  
Other non-606 revenue 0 0 0 0  
Revenue 0 0 0 0  
Renewables | Non-regulated revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 638 569 1,258 1,163  
Other non-606 revenue 6 50 52 99  
Revenue 644 619 1,310 1,262  
Utilities | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 954 896 1,963 1,769  
Utilities | Regulated Revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 927 865 1,903 1,712  
Other non-606 revenue 6 7 15 13  
Revenue 933 872 1,918 1,725  
Utilities | Non-regulated revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 20 23 43 42  
Other non-606 revenue 1 1 2 2  
Revenue 21 24 45 44  
Energy Infrastructure | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 1,306 1,462 2,626 3,071  
Energy Infrastructure | Regulated Revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 0 0 0 0  
Other non-606 revenue 0 0 0 0  
Revenue 0 0 0 0  
Energy Infrastructure | Non-regulated revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 1,236 1,304 2,458 2,706  
Other non-606 revenue 70 158 168 365  
Revenue 1,306 1,462 2,626 3,071  
New Energy Technologies | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 0 0 0 0  
New Energy Technologies | Regulated Revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 0 0 0 0  
Other non-606 revenue 0 0 0 0  
Revenue 0 0 0 0  
New Energy Technologies | Non-regulated revenue [Member] | Operating Segments [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from Contract with Customer, Including Assessed Tax 0 0 0 0  
Other non-606 revenue 0 0 0 0  
Revenue $ 0 $ 0 $ 0 $ 0