CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Net income	$ 1,007	$ 1,095
Net income	1,122	1,058
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	1,511	1,428
Investment loss/impairment	211	0
Deferred income taxes	167	184
Rate case amortization and accruals	(14)	(30)
Common equity component of allowance for funds used during construction	(15)	(12)
Net derivative losses/(gains)	(26)	80
Unbilled revenue and net unbilled revenue deferrals	(72)	29
Other non-cash items, net	108	43
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers	(387)	(322)
Allowance for uncollectible accounts – customers	165	48
Materials and supplies, including fuel oil and gas in storage	(50)	(1)
Revenue decoupling mechanism receivable	(56)	(52)
Other receivables and other current assets	81	(32)
Taxes receivable	18	(6)
Prepayments	(576)	(517)
Accounts payable	(15)	19
Pensions and retiree benefits obligations	237	181
Pensions and retiree benefits contributions	(467)	(474)
Accrued taxes	(27)	13
Accrued interest	126	102
Superfund and environmental remediation costs	(12)	(8)
Distributions from equity investments	18	29
System benefit charge	3	(56)
Deferred charges, noncurrent assets and other regulatory assets	(705)	(443)
Deferred credits and other regulatory liabilities	578	35
Other current and noncurrent liabilities	(96)	35
NET CASH FLOWS FROM OPERATING ACTIVITIES	1,712	1,368
INVESTING ACTIVITIES
Utility construction expenditures	(2,697)	(2,346)
Cost of removal less salvage	(242)	(216)
Non-utility construction expenditures	(289)	(414)
Proceeds from sale of assets	614	0
Divestiture of renewable electric projects, net	183	0
Other investing activities	10	16
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(2,437)	(2,984)
FINANCING ACTIVITIES
Net issuance of short-term debt	(834)	137
Issuance of long-term debt	1,979	1,675
Retirement of long-term debt	(1,904)	(463)
Debt issuance costs	(30)	(25)
Common stock dividends	(768)	(731)
Issuance of common shares - public offering	775	88
Issuance of common shares for stock plans	45	43
Distribution to noncontrolling interest	(15)	(11)
Sale of equity interest	256	0
NET CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES	(496)	713
CASH, TEMPORARY CASH INVESTMENTS, AND RESTRICTED CASH:
NET CHANGE FOR THE PERIOD	(1,221)	(903)
BALANCE AT BEGINNING OF PERIOD	1,436	1,217
BALANCE AT END OF PERIOD	215	314
Cash paid/(received) during the period for:
Interest	565	583
Income taxes	(9)	31
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Construction expenditures in accounts payable	388	432
Issuance of common shares for dividend reinvestment	37	36
Electric and Gas Transmission Projects
INVESTING ACTIVITIES
Investments in electric and gas transmission projects	(16)	0
Renewable Electric Production Projects
INVESTING ACTIVITIES
Investments in electric and gas transmission projects	0	(24)
Subsidiaries
Net income	1,011	963
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	1,267	1,187
Deferred income taxes	166	201
Rate case amortization and accruals	(13)	(30)
Common equity component of allowance for funds used during construction	(14)	(10)
Unbilled revenue and net unbilled revenue deferrals	2	0
Other non-cash items, net	46	(9)
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers	(383)	(289)
Allowance for uncollectible accounts – customers	162	45
Materials and supplies, including fuel oil and gas in storage	(47)	6
Revenue decoupling mechanism receivable	(64)	(45)
Other receivables and other current assets	35	3
Accounts receivable from affiliated companies	18	(83)
Prepayments	(573)	(481)
Accounts payable	(49)	29
Accounts payable to affiliated companies	1	1
Pensions and retiree benefits obligations	234	169
Pensions and retiree benefits contributions	(430)	(434)
Accrued taxes	(31)	10
Accrued taxes to affiliated companies	6	3
Accrued interest	103	97
Superfund and environmental remediation costs	(19)	(14)
System benefit charge	3	(53)
Deferred charges, noncurrent assets and other regulatory assets	(666)	(420)
Deferred credits and other regulatory liabilities	509	112
Other current and noncurrent liabilities	(23)	1
NET CASH FLOWS FROM OPERATING ACTIVITIES	1,251	959
INVESTING ACTIVITIES
Utility construction expenditures	(2,545)	(2,200)
Cost of removal less salvage	(237)	(212)
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(2,782)	(2,412)
FINANCING ACTIVITIES
Net issuance of short-term debt	(718)	(146)
Issuance of long-term debt	1,500	1,600
Retirement of long-term debt	(640)	(350)
Debt issuance costs	(20)	(24)
Capital contribution by parent	1,101	200
Dividend to parent	(741)	(737)
NET CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES	482	543
CASH, TEMPORARY CASH INVESTMENTS, AND RESTRICTED CASH:
NET CHANGE FOR THE PERIOD	(1,049)	(910)
BALANCE AT BEGINNING OF PERIOD	1,067	933
BALANCE AT END OF PERIOD	18	23
Cash paid/(received) during the period for:
Interest	446	430
Income taxes	(2)	78
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Construction expenditures in accounts payable	335	340
CECONY | Subsidiaries
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	1,267	1,187
Software Licenses
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	24	51
Software Licenses | Subsidiaries
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	22	48
Equipment
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	22	28
Equipment | Subsidiaries
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	$ 22	$ 28