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v3.25.2

Revenues (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | $ 2,733 | $ 2,469 | $ 5,990 | $ 5,501
Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 145 | 137 | 351 | 310
Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 169 | 148 | 341 | 306
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 67 | 59 | 135 | 137
Total revenue from contracts with customers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 3,114 | 2,813 | 6,817 | 6,254
Alternative revenue and other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Alternative revenue and other | 173 | 215 | 376 | 423
Residential | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,093 | 992 | 2,650 | 2,429
C&I | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,600 | 1,438 | 3,263 | 2,997
Other | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 40 | 39 | 77 | 75
Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 3,287 | 3,028 | 7,193 | 6,677
Regulated Electric | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 2,393 | 2,172 | 4,685 | 4,341
Regulated Electric | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 145 | 137 | 351 | 310
Regulated Electric | Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 169 | 148 | 341 | 306
Regulated Electric | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 22 | 17 | 39 | 36
Regulated Electric | Total revenue from contracts with customers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 2,729 | 2,474 | 5,416 | 4,993
Regulated Electric | Alternative revenue and other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Alternative revenue and other | 149 | 185 | 297 | 351
Regulated Electric | Residential | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 881 | 801 | 1,805 | 1,660
Regulated Electric | C&I | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,474 | 1,335 | 2,807 | 2,611
Regulated Electric | Other | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 38 | 36 | 73 | 70
Regulated Electric | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 2,878 | 2,659 | 5,713 | 5,344
Regulated Natural Gas | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 331 | 288 | 1,283 | 1,130
Regulated Natural Gas | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Regulated Natural Gas | Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Regulated Natural Gas | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 45 | 42 | 96 | 101
Regulated Natural Gas | Total revenue from contracts with customers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 376 | 330 | 1,379 | 1,231
Regulated Natural Gas | Alternative revenue and other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Alternative revenue and other | 20 | 25 | 72 | 65
Regulated Natural Gas | Residential | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 212 | 191 | 844 | 759
Regulated Natural Gas | C&I | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 119 | 97 | 439 | 371
Regulated Natural Gas | Other | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Regulated Natural Gas | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 396 | 355 | 1,451 | 1,296
All Other | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 9 | 9 | 22 | 30
All Other | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
All Other | Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
All Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
All Other | Total revenue from contracts with customers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 9 | 9 | 22 | 30
All Other | Alternative revenue and other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Alternative revenue and other | 4 | 5 | 7 | 7
All Other | Residential | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 0 | 0 | 1 | 10
All Other | C&I | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 7 | 6 | 17 | 15
All Other | Other | Retail |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 2 | 3 | 4 | 5
All Other | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 13 | $ 14 | $ 29 | $ 37

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