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Condensed Consolidated Balance Sheets (Unaudited) - Houston Electric (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Cash and cash equivalents $ 66 $ 90
Accounts receivable, less allowance for credit losses 633 710
Allowance for credit losses (30) (27)
Prepaid expenses and other current assets 112 145
Regulatory assets 2,525 2,513
Houston Electric    
Cash and cash equivalents 61 76
Allowance for credit losses (1) (1)
Prepaid expenses and other current assets 28 48
Regulatory assets 845 752
Houston Electric | Nonrelated Party    
Accounts receivable, less allowance for credit losses 370 295
Variable Interest Entity, Primary Beneficiary    
Cash and cash equivalents 66 90
Accounts receivable, less allowance for credit losses 28 21
Prepaid expenses and other current assets 13 15
Regulatory assets 322 402
Variable Interest Entity, Primary Beneficiary | Houston Electric    
Cash and cash equivalents 61 76
Accounts receivable, less allowance for credit losses 26 19
Prepaid expenses and other current assets 13 13
Regulatory assets $ 0 $ 74