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v3.23.3

Financial Information by Business Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | $ 3,872 | $ 4,165 | $ 11,219 | $ 11,639
Depreciation and amortization | 512 | 525 | 1,506 | 1,593
Operating income/(loss) | 722 | 889 | 2,745 | 2,074
CECONY |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 3,590 | 3,549 | 10,287 | 9,972
Depreciation and amortization | 485 | 441 | 1,428 | 1,341
Operating income/(loss) | 679 | 738 | 1,750 | 1,729
CECONY | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 485 | 441 | 1,428 | 1,341
Operating income/(loss) | 679 | 738 | 1,750 | 1,729
CECONY | Electric | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 352 | 324 | 1,035 | 994
Operating income/(loss) | 867 | 843 | 1,292 | 1,233
CECONY | Gas | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 108 | 93 | 319 | 275
Operating income/(loss) | (108) | (40) | 533 | 511
CECONY | Steam | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 25 | 24 | 74 | 72
Operating income/(loss) | (80) | (65) | (75) | (15)
O&R | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 26 | 25 | 78 | 73
Operating income/(loss) | 48 | 51 | 100 | 110
O&R | Electric | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 19 | 18 | 56 | 53
Operating income/(loss) | 59 | 61 | 73 | 85
O&R | Gas | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation and amortization | 7 | 7 | 22 | 20
Operating income/(loss) | (11) | (10) | 27 | 25
Operating segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 3,872 | 4,165 | 11,219 | 11,639
Operating segment | Clean Energy Businesses |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 0 | 325 | 129 | 857
Depreciation and amortization | 0 | 60 | 0 | 178
Operating income/(loss) | 0 | 104 | 37 | 248
Operating segment | Con Edison Transmission |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 1 | 1 | 3 | 3
Depreciation and amortization | 1 | 0 | 1 | 1
Operating income/(loss) | (2) | (2) | (6) | (8)
Operating segment | CECONY | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 3,590 | 3,549 | 10,287 | 9,972
Operating segment | CECONY | Electric | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 3,223 | 3,077 | 7,722 | 7,401
Operating segment | CECONY | Gas | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 318 | 414 | 2,140 | 2,127
Operating segment | CECONY | Steam | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 49 | 58 | 425 | 444
Operating segment | O&R | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 281 | 291 | 803 | 813
Operating segment | O&R | Electric | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 246 | 252 | 588 | 594
Operating segment | O&R | Gas | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 35 | 39 | 215 | 219
Inter-segment | CECONY | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | (25) | (26) | (75) | (77)
Inter-segment | CECONY | Electric | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 4 | 5 | 14 | 14
Inter-segment | CECONY | Gas | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 2 | 2 | 6 | 6
Inter-segment | CECONY | Steam | Subsidiaries |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 19 | 19 | 55 | 57
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 0 | (1) | (3) | (6)
Depreciation and amortization | 0 | (1) | (1) | 0
Operating income/(loss) | $ (3) | $ (2) | $ 864 | $ (5)

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