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REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2022
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following represents a disaggregation of revenue from contracts with customers for the years ended December 31, 2022, 2021 and 2020:
| For the Years Ended December 31, |
(In millions) | 2022 |  | 2021 |  | 2020 |
Regulated Distribution |  |  |  |  |  |
Retail generation and distribution services (1) |  |  |  |  |  |
Residential | $ | 6,180 |  |  | $ | 5,713 |  |  | $ | 5,539 |  |
Commercial | 2,499 |  |  | 2,284 |  |  | 2,140 |  |
Industrial | 1,338 |  |  | 1,091 |  |  | 1,076 |  |
Other | 85 |  |  | 75 |  |  | 81 |  |
Wholesale | 494 |  |  | 362 |  | 251 |
Other revenue from contracts with customers | 104 |  |  | 119 |  | 140 |
Total revenues from contracts with customers | 10,700 |  |  | 9,644 |  |  | 9,227 |  |
ARP(2) | — |  |  | (27) |  |  | 43 |  |
Other revenue unrelated to contracts with customers | 101 |  |  | 94 |  | 93 |
Total Regulated Distribution | $ | 10,801 |  |  | $ | 9,711 |  |  | $ | 9,363 |  |
Regulated Transmission |  |  |  |  |  |
ATSI | $ | 912 |  |  | $ | 799 |  |  | $ | 804 |  |
TrAIL | 270 |  |  | 233 |  |  | 247 |  |
MAIT | 340 |  |  | 288 |  |  | 250 |  |
JCP&L | 203 |  |  | 164 |  |  | 178 |  |
MP, PE and WP | 138 |  |  | 124 |  | 134 |
Total revenues from contracts with customers | 1,863 |  |  | 1,608 |  |  | 1,613 |  |
Other revenue unrelated to contracts with customers | 5 |  |  | 10 |  |  | 17 |  |
Total Regulated Transmission | $ | 1,868 |  |  | $ | 1,618 |  |  | $ | 1,630 |  |
Corporate/Other and Reconciling Adjustments(3) |  |  |  |  |  |
Wholesale | $ | 27 |  |  | $ | 14 |  |  | $ | 9 |  |
Retail generation and distribution services (3) | (186) |  |  | (154) |  |  | (148) |  |
Other revenue unrelated to contracts with customers (3) | (51) |  |  | (57) |  |  | (64) |  |
Total Corporate/Other and Reconciling | $ | (210) |  |  | $ | (197) |  |  | $ | (203) |  |
FirstEnergy Total Revenues | $ | 12,459 |  |  | $ | 11,132 |  |  | $ | 10,790 |  |
(1) Includes approximately $58 million and $38 million as of December 31, 2022 and 2021, respectively, of customer refunds associated with the Ohio Stipulation that became effective in December 2021. See Note 12, “Regulatory Matters,” for further discussion. (2) Reflects amount the Ohio Companies refunded to customers that was previously collected under decoupling mechanisms, with interest. (3) Includes eliminations and reconciling adjustments of inter-segment revenues.
Schedule of Receivables from customers | Billed and unbilled customer receivables as of December 31, 2022 and 2021, are included below.
|  | As of December 31,
Customer Receivables |  | 2022 |  | 2021 |
|  | (In millions)
Billed(1) |  | $ | 674 |  |  | $ | 616 |  |
Unbilled |  | 781 |  |  | 576 |  |
|  | 1,455 |  |  | 1,192 |  |
Less: Uncollectible Reserve |  | 137 |  |  | 159 |  |
Total Customer Receivables |  | $ | 1,318 |  |  | $ | 1,033 |  |
(1) Includes approximately $290 million and $318 million as of December 31, 2022 and 2021, respectively, that are past due by greater than 30 days.
Schedule of Activity in the allowance for uncollectible accounts on customer receivables | Activity in the allowance for uncollectible accounts on receivables for the years ended December 31, 2022, 2021 and 2020 are as follows:
(In millions) |  | 2022 |  | 2021 |  | 2020(3)
Customer Receivables |  |  |  |  |  |
Beginning of year balance |  | $ | 159 |  |  | $ | 164 |  |  | $ | 46 |
Charged to income (1) |  | 59 |  |  | 54 |  |  | 174 |
Charged to other accounts (2) |  | 62 |  |  | 42 |  |  | 46 |
Write-offs |  | (143) |  |  | (101) |  |  | (102) |
End of year balance |  | $ | 137 |  |  | $ | 159 |  |  | $ | 164 |
Other Receivables |  |  |  |  |  |
Beginning of year balance |  | $ | 10 |  |  | $ | 26 |  |  | $ | 21 |
Charged to income |  | 4 |  |  | 3 |  |  | 7 |
Charged to other accounts (2) |  | 4 |  |  | 3 |  |  | 10 |
Write-offs |  | (7) |  |  | (22) |  |  | (12) |
End of year balance |  | $ | 11 |  |  | $ | 10 |  |  | $ | 26 |
(1) Customer receivable amounts charged to income for the years ended December 31, 2022, 2021, and 2020 include approximately $11 million, $12 million, and $103 million respectively, deferred for future recovery. 2020 amounts charged to income includes $121 million of incremental expense due to pandemic conditions. (2) Represents recoveries and reinstatements of accounts previously written off for uncollectible accounts. (3) As a result of the FES Debtors’ emergence from bankruptcy in February 2020, FirstEnergy wrote off $1.1 billion in affiliated companies receivables in 2020, which were included in discontinued operations. There was no affiliated companies receivables at the end of 2022, 2021 or 2020

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