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v3.23.1

Financial Information by Business Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |
Total revenues | $ 4,403 | $ 4,060
Depreciation and amortization | 499 | 529
Operating income/(loss) | 1,739 | 799
Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 3,953 | 3,517
Depreciation and amortization | 473 | 446
Operating income/(loss) | 809 | 711
Clean Energy Businesses |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 0 | 59
Operating income/(loss) | 36 | 46
Con Edison Transmission |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 0 | 0
Operating income/(loss) | (2) | (3)
CECONY | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 473 | 446
Operating income/(loss) | 809 | 711
CECONY | Electric | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 343 | 332
Operating income/(loss) | 194 | 170
CECONY | Gas | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 105 | 90
Operating income/(loss) | 559 | 451
CECONY | Steam | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 25 | 24
Operating income/(loss) | 56 | 90
O&R | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 25 | 24
Operating income/(loss) | 41 | 46
O&R | Electric | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 18 | 17
Operating income/(loss) | 1 | 8
O&R | Gas | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization | 7 | 7
Operating income/(loss) | 40 | 38
Operating segment |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 4,403 | 4,060
Operating segment | Clean Energy Businesses |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 129 | 260
Operating segment | Con Edison Transmission |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 1 | 1
Operating segment | CECONY | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 3,953 | 3,517
Operating segment | CECONY | Electric | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 2,356 | 2,084
Operating segment | CECONY | Gas | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 1,291 | 1,131
Operating segment | CECONY | Steam | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 306 | 302
Operating segment | O&R | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 321 | 285
Operating segment | O&R | Electric | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 182 | 166
Operating segment | O&R | Gas | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 139 | 119
Other |  |
Segment Reporting Information [Line Items] |  |
Total revenues | (1) | (3)
Depreciation and amortization | 1 | 0
Operating income/(loss) | 855 | (1)
Inter-segment | CECONY | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | (25) | (25)
Inter-segment | CECONY | Electric | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 5 | 4
Inter-segment | CECONY | Gas | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 2 | 2
Inter-segment | CECONY | Steam | Subsidiaries |  |
Segment Reporting Information [Line Items] |  |
Total revenues | $ 18 | $ 19

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