CONSOLIDATED BALANCE SHEET (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
CURRENT ASSETS
Cash and temporary cash investments	$ 1,067	$ 1,272
Accounts receivable – customers, less allowance for uncollectible accounts of $275 and $148 in 2021 and 2020, respectively	1,709	1,701
Other receivables, less allowance for uncollectible accounts of $7 in 2021 and 2020	247	278
Taxes receivable	12	26
Accrued unbilled revenue	640	599
Fuel oil, gas in storage, materials and supplies, at average cost	360	356
Prepayments	255	271
Regulatory assets	184	266
Restricted cash	111	164
Revenue decoupling mechanism receivable	199	137
Other current assets	326	231
TOTAL CURRENT ASSETS	5,110	5,301
INVESTMENTS	1,688	1,816
UTILITY PLANT, AT ORIGINAL COST
General	4,018	3,880
TOTAL	52,293	50,738
Less: Accumulated depreciation	11,690	11,188
Net	40,603	39,550
Construction work in progress	2,350	2,474
NET UTILITY PLANT	42,953	42,024
NON-UTILITY PLANT
Non-utility property, less accumulated depreciation of $555 and $522 in 2021 and 2020, respectively	3,904	3,893
Construction work in progress	482	638
NET PLANT	47,339	46,555
OTHER NONCURRENT ASSETS
Goodwill	446	446
Intangible assets, less accumulated amortization of $249 and $228 in 2021 and 2020, respectively	1,340	1,460
Regulatory assets	5,889	6,195
Operating lease right-of-use asset	818	837
Other deferred charges and noncurrent assets	289	285
TOTAL OTHER NONCURRENT ASSETS	8,782	9,223
TOTAL ASSETS	62,919	62,895
CURRENT LIABILITIES
Long-term debt due within one year	444	1,967
Term loan	903	165
Notes payable	1,052	1,705
Accounts payable	1,217	1,475
Customer deposits	287	311
Accrued taxes	121	150
Accrued interest	151	149
Accrued wages	110	108
Fair value of derivative liabilities	179	238
Regulatory liabilities	180	36
System benefit charge	435	528
Operating lease liabilities	109	96
Other current liabilities	369	426
TOTAL CURRENT LIABILITIES	5,557	7,354
NONCURRENT LIABILITIES
Provision for injuries and damages	170	178
Pensions and retiree benefits	1,925	2,257
Superfund and other environmental costs	847	857
Asset retirement obligations	589	576
Fair value of derivative liabilities	125	240
Deferred income taxes and unamortized investment tax credits	6,634	6,475
Operating lease liabilities	750	764
Regulatory liabilities	4,378	4,513
Other deferred credits and noncurrent liabilities	225	234
TOTAL NONCURRENT LIABILITIES	15,643	16,094
LONG-TERM DEBT	21,666	20,382
COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Note B, Note G, and Note H)
EQUITY
Common shareholders’ equity	19,743	18,847
Noncontrolling interest	310	218
TOTAL EQUITY (See Statement of Equity)	20,053	19,065
TOTAL LIABILITIES AND EQUITY	62,919	62,895
Subsidiaries
CURRENT ASSETS
Cash and temporary cash investments	985	1,067
Accounts receivable – customers, less allowance for uncollectible accounts of $275 and $148 in 2021 and 2020, respectively	1,610	1,595
Other receivables, less allowance for uncollectible accounts of $7 in 2021 and 2020	98	134
Taxes receivable	8	8
Accrued unbilled revenue	503	523
Accounts receivable from affiliated companies	41	134
Fuel oil, gas in storage, materials and supplies, at average cost	299	291
Prepayments	177	159
Regulatory assets	167	244
Revenue decoupling mechanism receivable	198	129
Other current assets	207	123
TOTAL CURRENT ASSETS	4,293	4,407
INVESTMENTS	594	541
UTILITY PLANT, AT ORIGINAL COST
General	3,706	3,585
TOTAL	48,977	47,529
Less: Accumulated depreciation	10,763	10,297
Net	38,214	37,232
Construction work in progress	2,218	2,320
NET UTILITY PLANT	40,432	39,552
NON-UTILITY PLANT
Non-utility property, less accumulated depreciation of $555 and $522 in 2021 and 2020, respectively	2	2
NET PLANT	40,434	39,554
OTHER NONCURRENT ASSETS
Regulatory assets	5,472	5,745
Operating lease right-of-use asset	559	578
Other deferred charges and noncurrent assets	163	142
TOTAL OTHER NONCURRENT ASSETS	6,194	6,465
TOTAL ASSETS	51,515	50,967
CURRENT LIABILITIES
Long-term debt due within one year	0	640
Notes payable	1,000	1,660
Accounts payable	982	1,232
Accounts payable to affiliated companies	19	22
Customer deposits	274	296
Accrued taxes	101	132
Accrued taxes to affiliated companies	1	1
Accrued interest	127	126
Accrued wages	100	97
Fair value of derivative liabilities	129	163
Regulatory liabilities	148	11
System benefit charge	384	475
Operating lease liabilities	82	73
Other current liabilities	297	319
TOTAL CURRENT LIABILITIES	3,644	5,247
NONCURRENT LIABILITIES
Provision for injuries and damages	164	172
Pensions and retiree benefits	1,634	1,943
Superfund and other environmental costs	770	780
Asset retirement obligations	525	508
Fair value of derivative liabilities	54	105
Deferred income taxes and unamortized investment tax credits	6,548	6,411
Operating lease liabilities	507	512
Regulatory liabilities	3,949	4,094
Other deferred credits and noncurrent liabilities	161	197
TOTAL NONCURRENT LIABILITIES	14,312	14,722
LONG-TERM DEBT	17,635	16,149
COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Note B, Note G, and Note H)
EQUITY
Common shareholders’ equity	15,924	14,849
TOTAL LIABILITIES AND EQUITY	51,515	50,967
Electric
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	34,126	33,315
Electric | Subsidiaries
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	32,071	31,327
Gas
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	11,408	10,847
Gas | Subsidiaries
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	10,459	9,921
Steam
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	2,741	2,696
Steam | Subsidiaries
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	2,741	2,696
CECONY | Subsidiaries
CURRENT ASSETS
Regulatory assets	167	244
OTHER NONCURRENT ASSETS
Regulatory assets	5,472	5,745
CURRENT LIABILITIES
Regulatory liabilities	148	11
Operating lease liabilities	82
NONCURRENT LIABILITIES
Operating lease liabilities	507
Regulatory liabilities	$ 3,949	$ 4,094