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Condensed Consolidated Balance Sheets (Unaudited) - Houston Electric (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Cash and cash equivalents $ 112 $ 90
Accounts receivable, less allowance for credit losses 701 710
Allowance for credit losses (29) (27)
Prepaid expenses and other current assets 96 145
Regulatory assets 3,007 2,513
Variable Interest Entity, Primary Beneficiary    
Cash and cash equivalents 111 90
Accounts receivable, less allowance for credit losses 2 21
Prepaid expenses and other current assets 13 15
Regulatory assets 316 402
Houston Electric    
Cash and cash equivalents 97 76
Allowance for credit losses (1) (1)
Prepaid expenses and other current assets 24 48
Regulatory assets 1,288 752
Houston Electric | Nonrelated Party    
Accounts receivable, less allowance for credit losses 446 295
Houston Electric | Variable Interest Entity, Primary Beneficiary    
Cash and cash equivalents 96 76
Accounts receivable, less allowance for credit losses 1 19
Prepaid expenses and other current assets 13 13
Regulatory assets $ 0 $ 74