Consolidated Balance Sheet (Unaudited) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
CURRENT ASSETS
Cash and temporary cash investments	$ 651	$ 797
Accounts receivable - customers, less allowance for uncollectible accounts	1,250	1,103
Other receivables, less allowance for uncollectible accounts	200	160
Taxes receivable	58	76
Accrued unbilled revenue	472	598
Fuel oil, gas in storage, materials and supplies, at average cost	301	334
Prepayments	600	178
Regulatory assets	123	67
Restricted cash	32	47
Other current assets	86	177
TOTAL CURRENT ASSETS	3,773	3,537
INVESTMENTS	2,012	2,001
UTILITY PLANT, AT ORIGINAL COST
General	3,034	3,008
TOTAL	43,341	42,731
Less: Accumulated depreciation	9,229	9,063
Net	34,112	33,668
Construction work in progress	1,610	1,605
NET UTILITY PLANT	35,722	35,273
NON-UTILITY PLANT
Non-utility property, less accumulated depreciation	1,803	1,776
Construction work in progress	550	551
NET PLANT	38,075	37,600
OTHER NONCURRENT ASSETS
Goodwill	428	428
Intangible assets, less accumulated amortization of $17 and $15 in 2018 and 2017, respectively	129	131
Regulatory assets	4,284	4,266
Other deferred charges and noncurrent assets	199	148
TOTAL OTHER NONCURRENT ASSETS	5,040	4,973
TOTAL ASSETS	48,900	48,111
CURRENT LIABILITIES
Long-term debt due within one year	1,291	1,298
Notes payable	1,389	577
Accounts payable	1,236	1,286
Customer deposits	347	346
Accrued taxes	47	108
Accrued interest	211	143
Accrued wages	106	105
Fair value of derivative liabilities	74	17
Regulatory liabilities	90	101
System benefit charge	598	535
Other current liabilities	262	386
TOTAL CURRENT LIABILITIES	5,651	4,902
NONCURRENT LIABILITIES
Provision for injuries and damages	161	153
Pensions and retiree benefits	1,192	1,443
Superfund and other environmental costs	734	737
Asset retirement obligations	317	314
Fair value of derivative liabilities	85	38
Deferred income taxes and unamortized investment tax credits	5,638	5,495
Regulatory liabilities	4,523	4,577
Other deferred credits and noncurrent liabilities	208	296
TOTAL NONCURRENT LIABILITIES	12,858	13,053
LONG-TERM DEBT	14,730	14,731
EQUITY
Common shareholders’ equity	15,654	15,418
Noncontrolling interest	7	7
TOTAL EQUITY (See Statement of Equity)	15,661	15,425
TOTAL LIABILITIES AND EQUITY	48,900	48,111
Electric
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	29,315	28,994
Gas
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	8,512	8,256
Steam
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	2,480	2,473
CECONY
CURRENT ASSETS
Cash and temporary cash investments	574	730
Accounts receivable - customers, less allowance for uncollectible accounts	1,135	1,009
Other receivables, less allowance for uncollectible accounts	103	92
Taxes receivable	19	19
Accrued unbilled revenue	363	454
Accounts receivable from affiliated companies	83	64
Fuel oil, gas in storage, materials and supplies, at average cost	263	287
Prepayments	525	108
Regulatory assets	115	62
Other current assets	57	84
TOTAL CURRENT ASSETS	3,237	2,909
INVESTMENTS	388	383
UTILITY PLANT, AT ORIGINAL COST
General	2,775	2,753
TOTAL	40,611	40,024
Less: Accumulated depreciation	8,476	8,321
Net	32,135	31,703
Construction work in progress	1,499	1,502
NET UTILITY PLANT	33,634	33,205
NON-UTILITY PLANT
Non-utility property, less accumulated depreciation	4	4
NET PLANT	33,638	33,209
OTHER NONCURRENT ASSETS
Regulatory assets	3,871	3,863
Other deferred charges and noncurrent assets	132	87
TOTAL OTHER NONCURRENT ASSETS	4,003	3,950
TOTAL ASSETS	41,266	40,451
CURRENT LIABILITIES
Long-term debt due within one year	1,200	1,200
Notes payable	913	150
Accounts payable	1,015	1,057
Accounts payable to affiliated companies	17	10
Customer deposits	335	334
Accrued taxes	34	102
Accrued taxes to affiliated companies	75	72
Accrued interest	181	113
Accrued wages	96	95
Fair value of derivative liabilities	66	12
Regulatory liabilities	54	65
System benefit charge	542	483
Other current liabilities	183	245
TOTAL CURRENT LIABILITIES	4,711	3,938
NONCURRENT LIABILITIES
Provision for injuries and damages	155	147
Pensions and retiree benefits	899	1,140
Superfund and other environmental costs	634	637
Asset retirement obligations	290	287
Fair value of derivative liabilities	76	31
Deferred income taxes and unamortized investment tax credits	5,455	5,306
Regulatory liabilities	4,154	4,219
Other deferred credits and noncurrent liabilities	164	242
TOTAL NONCURRENT LIABILITIES	11,827	12,009
LONG-TERM DEBT	12,066	12,065
EQUITY
Common shareholders’ equity	12,662	12,439
TOTAL LIABILITIES AND EQUITY	41,266	40,451
CECONY | Electric
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	27,612	27,299
CECONY | Gas
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	7,744	7,499
CECONY | Steam
UTILITY PLANT, AT ORIGINAL COST
Utility plant, at original cost	$ 2,480	$ 2,473