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v3.22.1

Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | $ 3,953 | $ 3,602
Total revenues | 4,060 | 3,677
Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 3,517 | 3,205
Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 107 | 75
Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 4,060 | 3,677
Operating Segments | Clean Energy Businesses |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 159 | 176
Total revenues | 260 | 224
Operating Segments | Clean Energy Businesses | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 101 | 48
Operating Segments | Clean Energy Businesses | Renewables |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 140 | 154
Total revenues | 140 | 154
Operating Segments | Clean Energy Businesses | Renewables | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 0 | 0
Operating Segments | Clean Energy Businesses | Energy services |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 19 | 22
Total revenues | 19 | 22
Operating Segments | Clean Energy Businesses | Energy services | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 0 | 0
Operating Segments | Clean Energy Businesses | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Total revenues | 101 | 48
Operating Segments | Clean Energy Businesses | Other | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 101 | 48
Operating Segments | Con Edison Transmission |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 1 | 1
Total revenues | 1 | 1
Operating Segments | Con Edison Transmission | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 0 | 0
Operating Segments | CECONY | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 3,510 | 3,173
Total revenues | 3,517 | 3,205
Operating Segments | CECONY | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 7 | 32
Operating Segments | CECONY | Electric | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 2,107 | 1,966
Total revenues | 2,084 | 1,968
Operating Segments | CECONY | Electric | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | (23) | 2
Operating Segments | CECONY | Gas | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 1,104 | 946
Total revenues | 1,131 | 973
Operating Segments | CECONY | Gas | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 27 | 27
Operating Segments | CECONY | Steam | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 299 | 261
Total revenues | 302 | 264
Operating Segments | CECONY | Steam | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 3 | 3
Operating Segments | O&R | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 283 | 252
Total revenues | 285 | 248
Operating Segments | O&R | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 2 | (4)
Operating Segments | O&R | Electric | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 163 | 144
Total revenues | 166 | 145
Operating Segments | O&R | Electric | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 3 | 1
Operating Segments | O&R | Gas | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 120 | 108
Total revenues | 119 | 103
Operating Segments | O&R | Gas | Other | Subsidiaries |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | (1) | (5)
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 0 | 0
Total revenues | (3) | (1)
Other | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | $ (3) | $ (1)

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