CONSOLIDATED BALANCE SHEETS - HOUSTON ELECTRIC (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Cash and cash equivalents	$ 90	$ 74
Accounts receivable	710	889
Allowance for credit losses	27	38
Prepaid expenses and other current assets ($15 and $13 related to VIEs, respectively)	145	171
Regulatory assets	2,513	2,193
Houston Electric
Cash and cash equivalents	76	75
Accounts receivable	295	311
Allowance for credit losses	1	1
Prepaid expenses and other current assets ($15 and $13 related to VIEs, respectively)	48	41
Regulatory assets	752	778
Variable Interest Entity, Primary Beneficiary
Cash and cash equivalents	90	75
Accounts receivable	21	22
Prepaid expenses and other current assets ($15 and $13 related to VIEs, respectively)	15	13
Regulatory assets	402	229
Variable Interest Entity, Primary Beneficiary | Houston Electric
Cash and cash equivalents	76	75
Accounts receivable	19	22
Prepaid expenses and other current assets ($15 and $13 related to VIEs, respectively)	13	13
Regulatory assets	$ 74	$ 229