XML 80 R67.htm IDEA: XBRL DOCUMENT v3.25.2
Segment Information (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
Segment Reporting [Abstract]          
Equity Method Investments $ 232   $ 232   $ 246
Segment Reporting Information [Line Items]          
Electric 2,878 $ 2,659 5,713 $ 5,344  
Natural gas 396 355 1,451 1,296  
Revenues Including Intersegment Revenues 3,280   7,175 6,642  
Electric fuel and purchased power 918 855 1,938 1,803  
Cost of natural gas sold and transported 134 118 647 601  
Operating and maintenance expenses 675 662 1,361 1,267  
Utilities Operating Expense, Depreciation and Amortization 722 703 1,450 1,361  
Other income, net 68 22 75 36  
Interest and Debt Expense 322 303 631 580  
Income tax (benefit) expense (60) (88) (121) (115)  
Net income 444 302 927 790  
Equity Method Investments 232   232   246
Operating Segments          
Segment Reporting Information [Line Items]          
Regulated Operating Revenue 3,274 3,014 7,164 6,640  
Electric fuel and purchased power 918 855 1,938 1,803  
Cost of natural gas sold and transported 134 118 647 601  
Operating and maintenance expenses 660 654 1,333 1,262  
Utilities Operating Expense, Depreciation and Amortization 719 699 1,443 1,354  
Other income, net 183 180 411 403  
Interest and Debt Expense 244 228 478 441  
Income tax (benefit) expense (52) (76) (86) (94)  
Net income 474 356 1,011 872  
Intersegment Eliminations          
Segment Reporting Information [Line Items]          
Regulated Operating Revenue 6   11 2  
All Other          
Segment Reporting [Abstract]          
Equity Method Investments 148   148   161
Segment Reporting Information [Line Items]          
Net income (30) (54) (84) (82)  
Equity Method Investments 148   148   161
Regulated Electric Segment          
Segment Reporting Information [Line Items]          
Revenues Including Intersegment Revenues 2,878   5,713 5,345  
Regulated Electric Segment | Operating Segments          
Segment Reporting Information [Line Items]          
Electric 2,878 2,659 5,713 5,344  
Electric fuel and purchased power 918 855 1,938 1,803  
Cost of natural gas sold and transported 0 0 0 0  
Operating and maintenance expenses 554 553 1,122 1,056  
Utilities Operating Expense, Depreciation and Amortization 617 612 1,243 1,181  
Other income, net 156 161 327 350  
Interest and Debt Expense 213 198 417 384  
Income tax (benefit) expense (48) (73) (143) (140)  
Net income 468 353 809 711  
Regulated Electric Segment | Intersegment Eliminations          
Segment Reporting Information [Line Items]          
Electric 0   0 1  
Regulated Natural Gas Segment          
Segment Reporting [Abstract]          
Equity Method Investments 84   84   85
Segment Reporting Information [Line Items]          
Revenues Including Intersegment Revenues 402   1,462 1,297  
Equity Method Investments 84   84   $ 85
Regulated Natural Gas Segment | Operating Segments          
Segment Reporting Information [Line Items]          
Natural gas 396 355 1,451 1,296  
Electric fuel and purchased power 0 0 0 0  
Cost of natural gas sold and transported 134 118 647 601  
Operating and maintenance expenses 106 101 211 206  
Utilities Operating Expense, Depreciation and Amortization 102 87 200 173  
Other income, net 27 19 84 53  
Interest and Debt Expense 31 30 61 57  
Income tax (benefit) expense (4) (3) 57 46  
Net income 6 $ 3 202 161  
Regulated Natural Gas Segment | Intersegment Eliminations          
Segment Reporting Information [Line Items]          
Natural gas $ 6   $ 11 $ 1