CONSOLIDATED BALANCE SHEET (UNAUDITED) - CECONY (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Accounts receivable - customers, allowance for uncollectible accounts	$ 615	$ 620
Other receivables, allowance for uncollectible accounts	42	41
Non-utility property, accumulated depreciation	25	25
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	605	605
Other receivables, allowance for uncollectible accounts	35	38
Non-utility property, accumulated depreciation	$ 25	$ 25

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(14))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant