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Condensed Consolidated Balance Sheets (Unaudited) - Houston Electric (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Cash and cash equivalents $ 161 $ 90
Accounts receivable, less allowance for credit losses 675 710
Allowance for credit losses 32 27
Prepaid expenses and other current assets 131 145
Regulatory assets 2,428 2,513
Houston Electric    
Cash and cash equivalents 109 76
Allowance for credit losses 1 1
Prepaid expenses and other current assets 32 48
Regulatory assets 725 752
Variable Interest Entity, Primary Beneficiary    
Cash and cash equivalents 132 90
Accounts receivable, less allowance for credit losses 20 21
Prepaid expenses and other current assets 15 15
Regulatory assets 367 402
Variable Interest Entity, Primary Beneficiary | Houston Electric    
Cash and cash equivalents 109 76
Accounts receivable, less allowance for credit losses 18 19
Prepaid expenses and other current assets 13 13
Regulatory assets $ 42 $ 74