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Current Expected Credit Losses (Tables) | 3 Months Ended
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Mar. 31, 2021
Credit Loss [Abstract] |
Rollforward of Allowance for Credit Losses | The table below presents a rollforward by major portfolio segment type for the three months ended March 31, 2021 and 2020:
| For the Three Months Ended March 31,
| Con Edison | CECONY
| Accounts receivable - customers | Other receivables | Accounts receivable - customers | Other receivables
(Millions of Dollars) | 2021 | 2020 | 2021 | 2020 | 2021 | 2020 | 2021 | 2020
Allowance for credit losses |  |  |  |  |  |  |  |
Beginning Balance at January 1, | $148 | $70 | $7 | $4 | $138 | $65 | $4 | $3
Recoveries | 3 | 2 | — |  | — |  | 3 | 2 | — |  | — |
Write-offs | (21) | (18) | (1) | — |  | (20) | (18) | — |  | — |
Reserve adjustments | 51 | 21 | 1 | 1 | 50 | 21 | 1 | — |
Ending Balance March 31, | $181 | $75 | $7 | $5 | $171 | $70 | $5 | $3

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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- References No definition available. + Details
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