CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS (Unaudited) - HOUSTON ELECTRIC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash Flows from Operating Activities:
Net income	$ 316	$ 297
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	423	363
Deferred income taxes	78	45
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	193	(125)
Inventory	65	110
Accounts payable	(259)	(216)
Other current assets	(134)	124
Other current liabilities	(344)	(264)
Other non-current assets	(12)	80
Other non-current liabilities	(29)	15
Other operating activities, net	6	1
Net cash provided by operating activities	282	410
Cash Flows from Investing Activities:
Capital expenditures	(1,198)	(1,038)
Other investing activities, net	10	(58)
Net cash used in investing activities	(1,188)	(234)
Cash Flows from Financing Activities:
Proceeds from long-term debt and term loans, net	3,441	665
Payments of long-term debt	(748)	(11)
Payment of debt issuance costs	(24)	(8)
Other financing activities, net	(27)	(16)
Net cash provided by financing activities	1,513	1,053
Net Increase in Cash, Cash Equivalents and Restricted Cash	607	1,229
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	49	30
Cash, Cash Equivalents and Restricted Cash at End of Period	656	1,259
Supplemental Disclosure of Cash Flow Information
Cash paid for interest, net of capitalized interest	309	290
Supplemental Disclosure of Non-cash Transactions
Accounts payable related to capital expenditures	445	334
Houston Electric
Cash Flows from Operating Activities:
Net income	96	84
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	232	179
Deferred income taxes	20	11
Changes in other assets and liabilities:
Accounts receivable and unbilled revenues, net	16	28
Accounts receivable/payable–affiliated companies	62	(25)
Inventory	(55)	26
Accounts payable	57	(132)
Other current assets	22	21
Other current liabilities	(138)	(109)
Other non-current assets	(43)	(58)
Other non-current liabilities	(47)	(15)
Other operating activities, net	(10)	(2)
Net cash provided by operating activities	212	8
Cash Flows from Investing Activities:
Capital expenditures	(848)	(603)
(Increase) decrease in notes receivable–affiliated companies	(764)	209
Other investing activities, net	20	(15)
Net cash used in investing activities	(1,592)	(409)
Cash Flows from Financing Activities:
Proceeds from long-term debt and term loans, net	1,991	500
Payments of long-term debt	(500)	0
Decrease in notes payable–affiliated companies	(54)	0
Payment of debt issuance costs	(16)	(5)
Dividends to parent	(17)	(90)
Other financing activities, net	(3)	(1)
Net cash provided by financing activities	1,401	404
Net Increase in Cash, Cash Equivalents and Restricted Cash	21	3
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	29	14
Cash, Cash Equivalents and Restricted Cash at End of Period	50	17
Supplemental Disclosure of Cash Flow Information
Cash paid for interest, net of capitalized interest	114	90
Supplemental Disclosure of Non-cash Transactions
Accounts payable related to capital expenditures	$ 314	$ 286