Condensed Consolidated Balance Sheets (Unaudited) - Houston Electric (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Cash and cash equivalents	$ 555	$ 230
Accounts receivable, less allowance for credit losses	783	690
Allowance for credit losses	41	44
Prepaid expenses and other current assets	116	132
Regulatory assets	2,229	2,321
Houston Electric
Cash and cash equivalents	78	214
Accounts receivable, less allowance for credit losses	367	263
Allowance for credit losses	1	1
Prepaid expenses and other current assets	29	49
Regulatory assets	765	789
Variable Interest Entity, Primary Beneficiary
Cash and cash equivalents	78	92
Accounts receivable, less allowance for credit losses	37	29
Prepaid expenses and other current assets	18	19
Regulatory assets	318	420
Variable Interest Entity, Primary Beneficiary | Houston Electric
Cash and cash equivalents	78	92
Accounts receivable, less allowance for credit losses	37	29
Prepaid expenses and other current assets	18	19
Regulatory assets	$ 318	$ 420