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Consolidated Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Valuation and Qualifying Accounts Disclosure [Line Items] |
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS | FIRSTENERGY CORP. CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2016, 2015 AND 2014
|  |  |  | Additions |  |  |  |
Description |  | Beginning Balance |  | Charged to Income |  | Charged to Other Accounts | (1) | Deductions | (2) | Ending Balance
|  | (In thousands)
Year Ended December 31, 2016: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 68,775 |  |  | $ | 81,719 |  |  | $ | 15,222 |  |  | $ | 112,409 |  |  | $ | 53,307 |
— other |  | $ | 5,231 |  |  | $ | 13,597 |  |  | $ | 11,329 |  |  | $ | 29,273 |  |  | $ | 884 |
Valuation allowance on state and local DTAs |  | $ | 192,397 |  |  | $ | 245,382 |  |  | $ | — |  |  | $ | — |  |  | $ | 437,779 |
Year Ended December 31, 2015: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 59,266 |  |  | $ | 114,249 |  |  | $ | 54,199 |  |  | $ | 158,939 |  |  | $ | 68,775 |
— other |  | $ | 5,197 |  |  | $ | 899 |  |  | $ | 4,189 |  |  | $ | 5,054 |  |  | $ | 5,231 |
Valuation allowance on state and local DTAs |  | $ | 174,004 |  |  | $ | 18,393 |  |  | $ | — |  |  | $ | — |  |  | $ | 192,397 |
Year Ended December 31, 2014: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 51,630 |  |  | $ | 90,144 |  |  | $ | 36,373 |  |  | $ | 118,881 |  |  | $ | 59,266 |
— other |  | $ | 2,976 |  |  | $ | 3,469 |  |  | $ | 8,264 |  |  | $ | 9,512 |  |  | $ | 5,197 |
Valuation allowance on state and local DTAs |  | $ | 125,360 |  |  | $ | 48,644 |  |  | $ | — |  |  | $ | — |  |  | $ | 174,004 |
(1) | Represents recoveries and reinstatements of accounts previously written off.
(2) | Represents the write-off of accounts considered to be uncollectible.
FES |
Valuation and Qualifying Accounts Disclosure [Line Items] |
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS | FIRSTENERGY SOLUTIONS CORP. CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2016, 2015 AND 2014
|  |  |  | Additions |  |  |  |
Description |  | Beginning Balance |  | Charged to Income |  | Charged to Other Accounts | (1) | Deductions | (2) | Ending Balance
|  | (In thousands)
Year Ended December 31, 2016: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 8,466 |  |  | $ | 4,766 |  |  | $ | — |  |  | $ | 8,334 |  |  | $ | 4,898 |
— other |  | $ | 2,500 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,500 |  |  | $ | — |
Valuation allowance on state and local DTAs |  | $ | 45,808 |  |  | $ | 151,682 |  |  | $ | — |  |  | $ | — |  |  | $ | 197,490 |
Year Ended December 31, 2015: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 17,862 |  |  | $ | 7,411 |  |  | $ | — |  |  | $ | 16,807 |  |  | $ | 8,466 |
— other |  | $ | 2,500 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,500 |
Valuation allowance on state and local DTAs |  | $ | 32,126 |  |  | $ | 13,682 |  |  | $ | — |  |  | $ | — |  |  | $ | 45,808 |
Year Ended December 31, 2014: |  |  |  |  |  |  |  |  |  |
Accumulated provision for uncollectible accounts — customers |  | $ | 11,073 |  |  | $ | 21,942 |  |  | $ | — |  |  | $ | 15,153 |  |  | $ | 17,862 |
— other |  | $ | 2,523 |  |  | $ | 9 |  |  | $ | — |  |  | $ | 32 |  |  | $ | 2,500 |
Valuation allowance on state and local DTAs |  | $ | 26,875 |  |  | $ | 5,251 |  |  | $ | — |  |  | $ | — |  |  | $ | 32,126 |
(1) | Represents recoveries and reinstatements of accounts previously written off.
(2) | Represents the write-off of accounts considered to be uncollectible.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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