Condensed Consolidated Balance Sheets (Unaudited) - Houston Electric (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Cash and cash equivalents	$ 120	$ 74
Accounts receivable, less allowance for credit losses	767	889
Allowance for credit losses	31	38
Prepaid expenses and other current assets	134	171
Regulatory assets	2,481	2,193
Houston Electric
Cash and cash equivalents	113	75
Allowance for credit losses	1	1
Prepaid expenses and other current assets	33	41
Regulatory assets	775	778
Variable Interest Entity, Primary Beneficiary
Cash and cash equivalents	118	75
Accounts receivable, less allowance for credit losses	32	22
Prepaid expenses and other current assets	14	13
Regulatory assets	438	229
Variable Interest Entity, Primary Beneficiary | Houston Electric
Cash and cash equivalents	113	75
Accounts receivable, less allowance for credit losses	30	22
Prepaid expenses and other current assets	13	13
Regulatory assets	$ 107	$ 229