CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - CECONY - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
OPERATING ACTIVITIES
Net income	$ 1,433	$ 602
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	499	529
Deferred income taxes	(81)	167
Other non-cash items, net	(64)	47
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers	219	(252)
Allowance for uncollectible accounts – customers	(78)	19
Other receivables and other current assets	88	(189)
Unbilled revenue and net unbilled revenue deferrals	48	45
Prepayments	(564)	(471)
Accounts payable	(543)	(156)
Pensions and retiree benefits obligations, net	(43)	50
Pensions and retiree benefits contributions	(5)	(5)
Accrued taxes	252	(27)
Accrued interest	97	129
System benefit charge	15	(21)
Deferred charges, noncurrent assets, leases, net and other regulatory assets	(321)	(214)
Deferred credits, noncurrent liabilities and other regulatory liabilities	(31)	428
Other current liabilities	11	(96)
NET CASH FLOWS FROM OPERATING ACTIVITIES	92	473
INVESTING ACTIVITIES
Utility construction expenditures	(1,050)	(837)
Cost of removal less salvage	(94)	(80)
NET CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES	2,618	(952)
FINANCING ACTIVITIES
Net retirement of short-term debt	(2,629)	(175)
Issuance of long-term debt	500	0
Debt issuance costs	(4)	(1)
NET CASH FLOWS USED IN FINANCING ACTIVITIES	(3,466)	(470)
CASH AND TEMPORARY CASH INVESTMENTS
NET CHANGE FOR THE PERIOD	(756)	(949)
BALANCE AT BEGINNING OF PERIOD	1,530	1,146
BALANCE AT END OF PERIOD	774	197
Cash paid/(received) during the period for:
Interest	156	104
Income taxes	10	(1)
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Construction expenditures in accounts payable	444	424
Subsidiaries
OPERATING ACTIVITIES
Net income	604	475
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	473	446
Deferred income taxes	296	118
Other non-cash items, net	(62)	43
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers	238	(205)
Allowance for uncollectible accounts – customers	(78)	20
Other receivables and other current assets	(201)	(150)
Unbilled revenue and net unbilled revenue deferrals	77	49
Accounts receivable from affiliated companies	(53)	6
Prepayments	(574)	(467)
Accounts payable	(368)	(129)
Accounts payable to affiliated companies	3	(1)
Pensions and retiree benefits obligations, net	(44)	43
Pensions and retiree benefits contributions	(4)	(4)
Accrued taxes	(46)	(6)
Accrued taxes to affiliated companies	(89)	(1)
Accrued interest	125	108
System benefit charge	17	(17)
Deferred charges, noncurrent assets, leases, net and other regulatory assets	(311)	(193)
Deferred credits, noncurrent liabilities and other regulatory liabilities	(6)	381
Other current liabilities	48	(39)
NET CASH FLOWS FROM OPERATING ACTIVITIES	45	477
INVESTING ACTIVITIES
Utility construction expenditures	(985)	(794)
Cost of removal less salvage	(92)	(79)
NET CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES	(1,077)	(873)
FINANCING ACTIVITIES
Net retirement of short-term debt	(1,895)	(300)
Issuance of long-term debt	500	0
Debt issuance costs	(4)	(1)
Capital contribution by Con Edison	1,675	75
Dividend to Con Edison	(264)	(245)
NET CASH FLOWS USED IN FINANCING ACTIVITIES	12	(471)
CASH AND TEMPORARY CASH INVESTMENTS
NET CHANGE FOR THE PERIOD	(1,020)	(867)
BALANCE AT BEGINNING OF PERIOD	1,056	920
BALANCE AT END OF PERIOD	36	53
Cash paid/(received) during the period for:
Interest	95	87
Income taxes	(2)	0
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Construction expenditures in accounts payable	426	366
Software Licenses
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	2	23
Software Licenses | Subsidiaries
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	2	22
Equipment
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	17	22
Equipment | Subsidiaries
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	$ 17	$ 22