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
Segment Reporting Information [Line Items]        
Regulated Operating Revenue, Electric $ 958 $ 891 $ 1,896 $ 1,814
Revenues Including Intersegment Revenues 1,221   2,788  
Net income 156 119 414 338
Regulated Operating Revenue, Gas 260 244 887 857
Electric fuel and purchased power 309 303 629 644
Cost of natural gas sold and transported 80 89 344 408
Operating and maintenance expenses 238 239 480 473
Utilities Operating Expense, Depreciation and Amortization 270 248 543 492
Other income, net 10 19 16 28
Interest and Debt Expense 89 89 179 171
Income Tax Expense (Benefit) 0 (9) 26 6
Other Revenue | Xcel Energy        
Segment Reporting Information [Line Items]        
Total revenues 1 1 3 2
Total revenues        
Segment Reporting Information [Line Items]        
Net income 156 115 406 330
Regulated Operating Revenue 1,218 [1] 1,135 [2] 2,783 [3] 2,671 [4]
Electric fuel and purchased power 309 303 629 644
Cost of natural gas sold and transported 80 89 344 408
Operating and maintenance expenses 234 236 472 466
Utilities Operating Expense, Depreciation and Amortization 268 246 539 488
Other income, net 87 71 192 162
Interest and Debt Expense 90 89 180 170
Income Tax Expense (Benefit) (3) (14) 26 3
Total revenues 1,226 1,143 2,803 2,692
Intersegment Eliminations        
Segment Reporting Information [Line Items]        
Regulated Operating Revenue 3   5  
All Other        
Segment Reporting Information [Line Items]        
Net income   4 8 8
All Other | Total revenues        
Segment Reporting Information [Line Items]        
Total revenues 8 8 20 21
Regulated Electric Segment        
Segment Reporting Information [Line Items]        
Revenues Including Intersegment Revenues 958   1,896  
Regulated Electric Segment | Total revenues        
Segment Reporting Information [Line Items]        
Regulated Operating Revenue, Electric 958 [1] 891 [2] 1,896 [3] 1,814 [4]
Net income 152 120 273 242
Electric fuel and purchased power 309 303 629 644
Cost of natural gas sold and transported 0 0 0 0
Operating and maintenance expenses 165 170 330 326
Utilities Operating Expense, Depreciation and Amortization 196 186 396 369
Other income, net 66 53 136 120
Interest and Debt Expense 70 69 140 132
Income Tax Expense (Benefit) 0 (10) (8) (19)
Regulated Electric Segment | Intersegment Eliminations        
Segment Reporting Information [Line Items]        
Regulated Operating Revenue, Electric 0   0  
Regulated Natural Gas Segment        
Segment Reporting Information [Line Items]        
Revenues Including Intersegment Revenues 263   892  
Regulated Natural Gas Segment | Total revenues        
Segment Reporting Information [Line Items]        
Net income 4 (5) 133 88
Regulated Operating Revenue, Gas 260 [1] 244 [2] 887 [3] 857 [4]
Electric fuel and purchased power 0 0 0 0
Cost of natural gas sold and transported 80 89 344 408
Operating and maintenance expenses 69 66 142 140
Utilities Operating Expense, Depreciation and Amortization 72 60 143 119
Other income, net 21 18 56 42
Interest and Debt Expense 20 20 40 38
Income Tax Expense (Benefit) (3) $ (4) 34 $ 22
Regulated Natural Gas Segment | Intersegment Eliminations        
Segment Reporting Information [Line Items]        
Regulated Operating Revenue, Gas $ 3   $ 5  
[1] Operating revenues include $1 million of other affiliate revenue.
[2] Operating revenues include $1 million of other affiliate revenue.
[3] Operating revenues include $3 million of other affiliate revenue.
[4] Operating revenues include $2 million of other affiliate revenue.