Consolidated Balance Sheet (Unaudited) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
CURRENT ASSETS
Cash and temporary cash investments	$ 76	$ 1,272
Accounts receivable - customers, less allowance for uncollectible accounts	1,949	1,701
Other receivables, less allowance for uncollectible accounts	259	278
Taxes receivable	11	26
Accrued unbilled revenue	459	599
Fuel oil, gas in storage, materials and supplies, at average cost	339	356
Prepayments	772	271
Regulatory assets	253	266
Restricted cash	81	164
Revenue decoupling mechanism receivable	178	137
Other current assets	210	231
TOTAL CURRENT ASSETS	4,587	5,301
INVESTMENTS	1,654	1,816
UTILITY PLANT, AT ORIGINAL COST
General	3,954	3,880
TOTAL	51,552	50,738
Less: Accumulated depreciation	11,423	11,188
Net	40,129	39,550
Construction work in progress	2,324	2,474
NET UTILITY PLANT	42,453	42,024
NON-UTILITY PLANT
Non-utility property, less accumulated depreciation	3,870	3,893
Construction work in progress	746	638
NET PLANT	47,069	46,555
OTHER NONCURRENT ASSETS
Goodwill	446	446
Intangible assets, less accumulated amortization of $253 and $228 in 2020 and 2019, respectively	1,434	1,460
Regulatory assets	5,990	6,195
Operating lease right-of-use asset	837	837
Other deferred charges and noncurrent assets	282	285
TOTAL OTHER NONCURRENT ASSETS	8,989	9,223
TOTAL ASSETS	62,299	62,895
CURRENT LIABILITIES
Long-term debt due within one year	1,302	1,967
Term loan	466	165
Notes payable	1,581	1,705
Accounts payable	1,208	1,475
Customer deposits	296	311
Accrued taxes	115	150
Accrued interest	265	149
Accrued wages	109	108
Fair value of derivative liabilities	231	238
Regulatory liabilities	85	36
System benefit charge	437	528
Operating lease liabilities	106	96
Other current liabilities	358	426
TOTAL CURRENT LIABILITIES	6,559	7,354
NONCURRENT LIABILITIES
Provision for injuries and damages	180	178
Pensions and retiree benefits	2,074	2,257
Superfund and other environmental costs	850	857
Asset retirement obligations	591	576
Fair value of derivative liabilities	155	240
Deferred income taxes and unamortized investment tax credits	6,619	6,475
Operating lease liabilities	763	764
Regulatory liabilities	4,378	4,513
Other deferred credits and noncurrent liabilities	234	234
TOTAL NONCURRENT LIABILITIES	15,844	16,094
LONG-TERM DEBT	20,614	20,382
COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Note B, Note G, and Note H)
EQUITY
Common shareholders’ equity	19,033	18,847
Noncontrolling interest	249	218
TOTAL EQUITY (See Statement of Equity)	19,282	19,065
TOTAL LIABILITIES AND EQUITY	62,299	62,895
Electric
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	33,764	33,315
Gas
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	11,101	10,847
Steam
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	2,733	2,696
CECONY
CURRENT ASSETS
Cash and temporary cash investments	30	1,067
Accounts receivable - customers, less allowance for uncollectible accounts	1,831	1,595
Other receivables, less allowance for uncollectible accounts	122	134
Taxes receivable	8	8
Accrued unbilled revenue	361	523
Accounts receivable from affiliated companies	139	134
Fuel oil, gas in storage, materials and supplies, at average cost	281	291
Prepayments	655	159
Regulatory assets	234	244
Revenue decoupling mechanism receivable	169	129
Other current assets	106	123
TOTAL CURRENT ASSETS	3,936	4,407
INVESTMENTS	550	541
UTILITY PLANT, AT ORIGINAL COST
General	3,644	3,585
TOTAL	48,271	47,529
Less: Accumulated depreciation	10,514	10,297
Net	37,757	37,232
Construction work in progress	2,207	2,320
NET UTILITY PLANT	39,964	39,552
NON-UTILITY PLANT
Non-utility property, less accumulated depreciation	2	2
NET PLANT	39,966	39,554
OTHER NONCURRENT ASSETS
Regulatory assets	5,559	5,745
Operating lease right-of-use asset	568	578
Other deferred charges and noncurrent assets	138	142
TOTAL OTHER NONCURRENT ASSETS	6,265	6,465
TOTAL ASSETS	50,717	50,967
CURRENT LIABILITIES
Long-term debt due within one year	640	640
Notes payable	1,427	1,660
Accounts payable	1,031	1,232
Accounts payable to affiliated companies	39	22
Customer deposits	282	296
Accrued taxes	97	132
Accrued taxes to affiliated companies	1	1
Accrued interest	216	126
Accrued wages	98	97
Fair value of derivative liabilities	162	163
Regulatory liabilities	58	11
System benefit charge	387	475
Operating lease liabilities	78	73
Other current liabilities	272	319
TOTAL CURRENT LIABILITIES	4,788	5,247
NONCURRENT LIABILITIES
Provision for injuries and damages	174	172
Pensions and retiree benefits	1,781	1,943
Superfund and other environmental costs	773	780
Asset retirement obligations	520	508
Fair value of derivative liabilities	84	105
Deferred income taxes and unamortized investment tax credits	6,590	6,411
Operating lease liabilities	510	512
Regulatory liabilities	3,955	4,094
Other deferred credits and noncurrent liabilities	199	197
TOTAL NONCURRENT LIABILITIES	14,586	14,722
LONG-TERM DEBT	16,151	16,149
COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Note B, Note G, and Note H)
EQUITY
Common shareholders’ equity	15,192	14,849
TOTAL LIABILITIES AND EQUITY	50,717	50,967
CECONY | Electric
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	31,732	31,327
CECONY | Gas
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	10,162	9,921
CECONY | Steam
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	$ 2,733	$ 2,696