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v3.22.2

Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Segment Reporting [Abstract] |  |  |  |  |
Equity Method Investments | $ 220 |  | $ 220 |  | $ 208
Segment Reporting Information [Line Items] |  |  |  |  |
Electric | 2,923 | $ 2,597 | 5,556 | $ 5,467 |
Net income | 328 | 311 | 708 | 673 |
Natural gas | 476 | 449 | 1,566 | 1,096 |
Other | 25 | 22 | 53 | 46 |
Regulated and Unregulated Operating Revenue | 3,424 | 3,068 | 7,175 | 6,609 |
Equity Method Investments | 220 |  | 220 |  | 208
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated and Unregulated Operating Revenue | 3,425 | 3,069 | 7,176 | 6,611 |
Intersegment Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated and Unregulated Operating Revenue | (1) | (1) | (1) | (2) |
Regulated Electric |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net income | 337 | 304 | 615 | 573 |
Revenues Including Intersegment Revenues | 2,923 | 2,598 | 5,556 | 5,468 |
Regulated Electric | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Electric | 2,923 | 2,597 | 5,556 | 5,467 |
Regulated Electric | Intersegment Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Electric | 0 | 1 | 0 | 1 |
Regulated Natural Gas |  |  |  |  |
Segment Reporting [Abstract] |  |  |  |  |
Equity Method Investments | 220 |  | 220 |  | 208
Segment Reporting Information [Line Items] |  |  |  |  |
Net income | 25 | 33 | 155 | 151 |
Revenues Including Intersegment Revenues | 477 | 449 | 1,567 | 1,097 |
Equity Method Investments | 220 |  | 220 |  | $ 208
Regulated Natural Gas | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Natural gas | 476 | 449 | 1,566 | 1,096 |
Regulated Natural Gas | Intersegment Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Natural gas | 1 | 0 | 1 | 1 |
All Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net income | (34) | (26) | (62) | (51) |
All Other | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Other | $ 25 | $ 22 | $ 53 | $ 46 |

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