Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
OPERATING ACTIVITIES
Net income	$ 563	$ 542
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	662	599
Deferred income taxes	359	268
Rate case amortization and accruals	(62)	(112)
Common equity component of allowance for funds used during construction	(5)	(4)
Net derivative (gains)/losses	2	(33)
(Gain)/Loss on sale of solar electric production project	(1)	0
Other non-cash items, net	(43)	42
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers	128	101
Materials and supplies, including fuel oil and gas in storage	(18)	29
Other receivables and other current assets	12	(38)
Income taxes receivable	29	151
Prepayments	(36)	(15)
Accounts payable	(94)	(21)
Pensions and retiree benefits obligations, net	213	302
Pensions and retiree benefits contributions	(283)	(307)
Accrued taxes	(22)	(16)
Accrued interest	(18)	3
Superfund and environmental remediation costs, net	(6)	60
Distributions from equity investments	52	24
System benefit charge	132	151
Deferred charges, noncurrent assets and other regulatory assets	(45)	(98)
Deferred credits and other regulatory liabilities	(17)	75
Other current and noncurrent liabilities	72	(72)
NET CASH FLOWS FROM OPERATING ACTIVITIES	1,574	1,631
INVESTING ACTIVITIES
Utility construction expenditures	(1,425)	(1,344)
Cost of removal less salvage	(122)	(95)
Non-utility construction expenditures	(225)	(331)
Proceeds from the transfer of assets to NY Transco	0	122
Proceeds from sale of assets	34	0
Restricted cash	28	(6)
Other investing activities	24	(82)
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(1,703)	(2,986)
FINANCING ACTIVITIES
Net issuance/(payment) of short-term debt	(18)	(821)
Issuance of long-term debt	997	1,765
Retirement of long-term debt	(426)	(6)
Debt issuance costs	(11)	(15)
Common stock dividends	(398)	(378)
Issuance of common shares - public offering	0	702
Issuance of common shares for stock plans	25	27
Distribution to noncontrolling interest	0	(1)
NET CASH FLOWS FROM/(USED IN) FINANCING ACTIVITIES	169	1,273
CASH AND TEMPORARY CASH INVESTMENTS:
NET CHANGE FOR THE PERIOD	40	(82)
BALANCE AT BEGINNING OF PERIOD	776	944
BALANCE AT END OF PERIOD	816	862
Cash paid/(received) during the period for:
Interest	372	318
Income taxes	(35)	(142)
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Construction expenditures in accounts payable	308	254
Issuance of common shares for dividend reinvestment	23	23
Electric and Gas Transmission Projects
INVESTING ACTIVITIES
Investments in/acquisitions of projects	(16)	(79)
Renewable Electric Production Projects
INVESTING ACTIVITIES
Investments in/acquisitions of projects	(1)	(1,171)
CECONY
OPERATING ACTIVITIES
Net income	482	472
PRINCIPAL NON-CASH CHARGES/(CREDITS) TO INCOME
Depreciation and amortization	591	547
Deferred income taxes	326	283
Rate case amortization and accruals	(72)	(120)
Common equity component of allowance for funds used during construction	(5)	(4)
Other non-cash items, net	(18)	15
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers	125	102
Materials and supplies, including fuel oil and gas in storage	(4)	18
Other receivables and other current assets	56	(64)
Accounts receivable from affiliated companies	17	92
Prepayments	(20)	3
Accounts payable	(60)	(54)
Accounts payable to affiliated companies	3	5
Pensions and retiree benefits obligations, net	191	287
Pensions and retiree benefits contributions	(281)	(306)
Accrued taxes	(17)	(15)
Accrued interest	0	(3)
Superfund and environmental remediation costs, net	(4)	67
System benefit charge	120	138
Accrued taxes to affiliated companies	(119)	(2)
Deferred charges, noncurrent assets and other regulatory assets	(72)	(100)
Deferred credits and other regulatory liabilities	11	89
Other current and noncurrent liabilities	(16)	(51)
NET CASH FLOWS FROM OPERATING ACTIVITIES	1,234	1,399
INVESTING ACTIVITIES
Utility construction expenditures	(1,341)	(1,268)
Cost of removal less salvage	(119)	(92)
Proceeds from the transfer of assets to NY Transco	0	122
Restricted cash	0	13
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(1,460)	(1,225)
FINANCING ACTIVITIES
Net issuance/(payment) of short-term debt	150	(425)
Issuance of long-term debt	500	550
Debt issuance costs	(6)	(6)
Capital contribution by parent	45	51
Dividend to parent	(398)	(372)
NET CASH FLOWS FROM/(USED IN) FINANCING ACTIVITIES	291	(202)
CASH AND TEMPORARY CASH INVESTMENTS:
NET CHANGE FOR THE PERIOD	65	(28)
BALANCE AT BEGINNING OF PERIOD	702	843
BALANCE AT END OF PERIOD	767	815
Cash paid/(received) during the period for:
Interest	296	285
Income taxes	86	(117)
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Construction expenditures in accounts payable	$ 234	$ 196