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v3.20.2

Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Equity investments in unconsolidated subsidiaries | $ 160 |  | $ 160 |  | $ 155
Regulated Operating Revenue, Electric | 2,941 | $ 2,771 | 7,430 | $ 7,345 |
Net income | 603 | 527 | 1,185 | 1,080 |
Regulated Operating Revenue, Gas | 219 | 222 | 1,082 | 1,324 |
Unregulated Operating Revenue | 22 | 20 | 67 | 62 |
Regulated and Unregulated Operating Revenue | 3,182 | 3,013 | 8,579 | 8,731 |
Equity Method Investments | 160 |  | 160 |  | 155
Electricity, US Regulated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net income | 632 | 550 | 1,148 | 1,032 |
Revenues Including Intersegment Revenues | 2,942 | 2,771 | 7,431 | 7,346 |
Natural Gas, US Regulated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Equity investments in unconsolidated subsidiaries | 160 |  | 160 |  | 155
Net income | 0 | (1) | 111 | 127 |
Revenues Including Intersegment Revenues |  |  | 1,083 | 1,325 |
Equity Method Investments | 160 |  | 160 |  | $ 155
All Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net income | (29) | (22) | (74) | (79) |
Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated and Unregulated Operating Revenue | 3,183 | 3,013 | 8,581 | 8,733 |
Operating Segments | Electricity, US Regulated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated Operating Revenue, Electric | 2,941 | 2,771 | 7,430 | 7,345 |
Operating Segments | Natural Gas, US Regulated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated Operating Revenue, Gas | 219 | 222 | 1,082 | 1,324 |
Operating Segments | All Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Unregulated Operating Revenue | 22 | 20 | 67 | 62 |
Intersegment Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated and Unregulated Operating Revenue | (1) | 0 | (2) | (2) |
Intersegment Eliminations | Electricity, US Regulated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated Operating Revenue, Electric | $ 1 | $ 0 | 1 | 1 |
Intersegment Eliminations | Natural Gas, US Regulated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Regulated Operating Revenue, Gas |  |  | $ 1 | $ 1 |

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