Condensed Statements of Consolidated Cash Flows (Unaudited) - Houston Electric - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities:
Net income	$ 725	$ 923
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,042	974
Deferred income taxes	94	26
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	528	95
Inventory	63	(224)
Accounts payable	(443)	(119)
Taxes receivable	(47)	1
Net regulatory assets and liabilities	1,102	148
Other current assets and liabilities	(41)	(199)
Other non-current assets and liabilities	59	34
Other operating activities, net	9	72
Net cash provided by operating activities	3,069	1,325
Cash Flows from Investing Activities:
Capital expenditures	(3,323)	(3,079)
Other investing activities, net	(12)	73
Net cash used in investing activities	(3,190)	(229)
Cash Flows from Financing Activities:
Proceeds from long-term debt and term loans	5,574	2,089
Payments of long-term debt	(2,613)	(1,519)
Payment of debt issuance costs	(50)	(26)
Payment of obligation for finance lease	0	(218)
Other financing activities, net	(25)	(7)
Net cash provided by (used in) financing activities	168	(1,220)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	47	(124)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	91	254
Cash, Cash Equivalents and Restricted Cash at End of Period	138	130
Houston Electric
Cash Flows from Operating Activities:
Net income	522	408
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	555	511
Deferred income taxes	117	44
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	(211)	(159)
Accounts receivable/payable–affiliated companies	(9)	(35)
Inventory	(18)	(116)
Accounts payable	(23)	(11)
Taxes receivable	(8)	0
Net regulatory assets and liabilities	(113)	(40)
Other current assets and liabilities	18	(43)
Other non-current assets and liabilities	44	(5)
Other operating activities, net	(16)	(9)
Net cash provided by operating activities	858	545
Cash Flows from Investing Activities:
Capital expenditures	(1,724)	(1,727)
Increase in notes receivable–affiliated companies	(400)	(360)
Other investing activities, net	(8)	34
Net cash used in investing activities	(2,132)	(2,053)
Cash Flows from Financing Activities:
Proceeds from long-term debt and term loans	1,398	1,589
Payments of long-term debt	(77)	(444)
Decrease in notes payable–affiliated companies	(642)	(512)
Dividend to parent	(239)	(141)
Contribution from parent	885	1,143
Payment of debt issuance costs	(12)	(15)
Payment of obligation for finance lease	0	(218)
Other financing activities, net	(1)	0
Net cash provided by (used in) financing activities	1,312	1,402
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	38	(106)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	88	233
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 126	$ 127