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v3.22.1

Current Expected Credit Losses (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Increase in allowance for uncollectible accounts resulting from COVID-19 pandemic | $ 20 | $ 33 | $ 19
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Reserve adjustments | 19 | 33 |
Subsidiaries |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Reserve adjustments | 20 | 33 |
Accounts receivable - customers |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance at January 1, | 317 | 148 | 148
Recoveries | 5 | 3 |
Write-offs | (30) | (21) |
Reserve adjustments | 44 | 51 |
Ending Balance March 31, | 336 | 181 | 317
Other receivables |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance at January 1, | 22 | 7 | 7
Recoveries | 0 | 0 |
Write-offs | (3) | (1) |
Reserve adjustments | 6 | 1 |
Ending Balance March 31, | 25 | 7 | 22
CECONY | Subsidiaries |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Increase in allowance for uncollectible accounts resulting from COVID-19 pandemic | 20 |  | 19
CECONY | Accounts receivable - customers | Subsidiaries |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance at January 1, | 304 | 138 | 138
Recoveries | 4 | 3 |
Write-offs | (28) | (20) |
Reserve adjustments | 44 | 50 |
Ending Balance March 31, | 324 | 171 | 304
CECONY | Other receivables | Subsidiaries |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance at January 1, | 19 | 4 | 4
Recoveries | 0 | 0 |
Write-offs | (2) | 0 |
Reserve adjustments | 6 | 1 |
Ending Balance March 31, | $ 23 | $ 5 | $ 19

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