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v3.23.1

Current Expected Credit Losses - Rollforward of Segment Type (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |
Reserve adjustments | $ (78) | $ 19
Subsidiaries |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |
Reserve adjustments | (78) | 20
Accounts receivable - customers |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning Balance | 322 | 317
Recoveries | 4 | 5
Write-offs | (48) | (30)
Reserve adjustments | (34) | 44
Ending Balance | 244 | 336
Other receivables |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning Balance | 10 | 22
Recoveries | 0 | 0
Write-offs | (1) | (3)
Reserve adjustments | 1 | 6
Ending Balance | 10 | 25
CECONY | Accounts receivable - customers | Subsidiaries |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning Balance | 314 | 304
Recoveries | 4 | 4
Write-offs | (47) | (28)
Reserve adjustments | (35) | 44
Ending Balance | 236 | 324
CECONY | Other receivables | Subsidiaries |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning Balance | 7 | 19
Recoveries | 0 | 0
Write-offs | 0 | (2)
Reserve adjustments | 1 | 6
Ending Balance | $ 8 | $ 23

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- Definition Amount of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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