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Consolidated Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS | FIRSTENERGY CORP. CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2019, 2018 AND 2017
|  |  |  | Additions |  |  |  |
Description |  | Beginning Balance |  | Charged to Income |  | Charged to Other Accounts | (1) | Deductions | (2) | Ending Balance
|  | (In thousands)
Year Ended December 31, 2019: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 49,798 |  |  | $ | 81,107 |  |  | $ | 47,306 |  |  | $ | 132,031 |  |  | $ | 46,180 |
— other |  | $ | 1,778 |  |  | $ | 26,654 |  |  | $ | 1,474 |  |  | $ | 8,509 |  |  | $ | 21,397 |
— affiliated companies (4) |  | $ | 919,851 |  |  | $ | 143,276 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,063,127 |
Valuation allowance on various DTAs (3) |  | $ | 394,112 |  |  | $ | 46,526 |  |  | $ | — |  |  | $ | — |  |  | $ | 440,638 |
Year Ended December 31, 2018: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 48,937 |  |  | $ | 77,254 |  |  | $ | 60,307 |  |  | $ | 136,700 |  |  | $ | 49,798 |
— other |  | $ | 990 |  |  | $ | 12,487 |  |  | $ | — |  |  | $ | 11,699 |  |  | $ | 1,778 |
— affiliated companies (4) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 919,851 |  |  | $ | 919,851 |
Valuation allowance on state and local DTAs |  | $ | 312,135 |  |  | $ | 81,977 |  |  | $ | — |  |  | $ | — |  |  | $ | 394,112 |
Year Ended December 31, 2017: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 48,409 |  |  | $ | 73,486 |  |  | $ | 49,728 |  |  | $ | 122,686 |  |  | $ | 48,937 |
— other |  | $ | 884 |  |  | $ | 6,461 |  |  | $ | — |  |  | $ | 6,355 |  |  | $ | 990 |
Valuation allowance on state and local DTAs |  | $ | 240,289 |  |  | $ | 71,846 |  |  | $ | — |  |  | $ | — |  |  | $ | 312,135 |
(1)Represents recoveries and reinstatements of accounts previously written off for uncollectible accounts. (2)Represents the write-off of accounts considered to be uncollectible. (3)Starting in 2018, valuation allowances are now being recorded against federal and state DTA's related to disallowed business interest and certain employee remuneration, in addition to the state and local DTA's in the prior years presented. (4)Amounts relate to the FES Debtors and are included in discontinued operations. See Note 3, "Discontinued Operations" for additional information.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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