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v3.24.3

Segment Information - Generation Total Revenues Net of Purchased Power and Fuel Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | $ 2,886 | $ 2,477 | $ 7,589 | $ 6,820
Other | 545 | 267 | 1,769 | 319
Total RNF | 3,431 | 2,744 | 9,358 | 7,139
Mid-Atlantic |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 809 | 744 | 2,242 | 2,158
Midwest |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 884 | 778 | 2,352 | 2,441
New York |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 357 | 317 | 1,074 | 897
ERCOT |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 403 | 207 | 826 | 423
Other Power Regions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 433 | 431 | 1,095 | 901
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 2,893 | 2,479 | 7,612 | 6,830
Operating Segments | Mid-Atlantic |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 806 | 747 | 2,235 | 2,202
Operating Segments | Midwest |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 881 | 776 | 2,345 | 2,439
Operating Segments | New York |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 361 | 311 | 1,070 | 851
Operating Segments | ERCOT |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 404 | 211 | 836 | 429
Operating Segments | Other Power Regions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 441 | 434 | 1,126 | 909
Intersegment Revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | (7) | (2) | (23) | (10)
Other | (7) | (2) | (23) | (10)
Intersegment Revenues | Mid-Atlantic |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 3 | (3) | 7 | (44)
Intersegment Revenues | Midwest |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | 3 | 2 | 7 | 2
Intersegment Revenues | New York |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | (4) | 6 | 4 | 46
Intersegment Revenues | ERCOT |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | (1) | (4) | (10) | (6)
Intersegment Revenues | Other Power Regions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total RNF for Reportable Segments | (8) | (3) | (31) | (8)
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Other | $ 538 | $ 265 | $ 1,746 | $ 309

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