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v3.21.1

Revenue (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 USD ($) company MW | Mar. 31, 2020 USD ($)
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | $ 2,743 | $ 2,629
Total revenues | [1] | 2,726 | 2,709
Other Non-Customer Revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Late payment charges |  | 9 | 10
Distribution services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 1,313 | 1,235
Retail generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 923 | 889
Wholesale sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 73 | 72
Transmission |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 401 | 397
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 33 | 36
ARP |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | (27) | 68
Other non-customer revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 10 | 12
Regulated Distribution |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | $ 2,274 | 2,160
Number of existing utility operating companies | company |  | 10 |
Megawatts of net demonstrated capacity of competitive segment | MW |  | 3,580 |
Utility customer payment period |  | 30 days |
Regulated Distribution | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | $ 1,457 | 1,319
Regulated Distribution | Commercial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 541 | 544
Regulated Distribution | Industrial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 258 | 277
Regulated Distribution | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 18 | 20
Regulated Transmission |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 401 | 397
Regulated Transmission | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 27 | 33
Regulated Transmission | ATSI |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 207 | 204
Regulated Transmission | TrAIL |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 59 | 63
Regulated Transmission | MAIT |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 68 | 57
Regulated Transmission | JCP&L |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 40 | 40
Operating Segments | Regulated Distribution |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 2,376 | 2,267
Total revenues |  | 2,370 | 2,358
Operating Segments | Regulated Distribution | Distribution services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 1,339 | 1,256
Operating Segments | Regulated Distribution | Retail generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 935 | 904
Operating Segments | Regulated Distribution | Wholesale sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 69 | 71
Operating Segments | Regulated Distribution | Transmission |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Operating Segments | Regulated Distribution | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 33 | 36
Operating Segments | Regulated Distribution | ARP |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | (27) | 68
Operating Segments | Regulated Distribution | Other non-customer revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 21 | 23
Operating Segments | Regulated Transmission |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 401 | 397
Total revenues |  | 405 | 401
Operating Segments | Regulated Transmission | Distribution services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Operating Segments | Regulated Transmission | Retail generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Operating Segments | Regulated Transmission | Wholesale sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Operating Segments | Regulated Transmission | Transmission |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 401 | 397
Operating Segments | Regulated Transmission | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Operating Segments | Regulated Transmission | ARP |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 0 | 0
Operating Segments | Regulated Transmission | Other non-customer revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 4 | 4
Corporate/Other and Reconciling Adjustments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | (34) | (35)
Total revenues |  | (49) | (50)
Corporate/Other and Reconciling Adjustments | Distribution services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | (26) | (21)
Corporate/Other and Reconciling Adjustments | Retail generation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | (12) | (15)
Corporate/Other and Reconciling Adjustments | Wholesale sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 4 | 1
Corporate/Other and Reconciling Adjustments | Transmission |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Corporate/Other and Reconciling Adjustments | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues from contracts with customers |  | 0 | 0
Corporate/Other and Reconciling Adjustments | ARP |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | 0 | 0
Corporate/Other and Reconciling Adjustments | Other non-customer revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues |  | $ (15) | $ (15)
[1] | Includes excise and gross receipts tax collections of $95 million and $92 million during the three months ended March 31, 2021 and 2020, respectively.

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