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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - HOUSTON ELECTRIC (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Cash and cash equivalents $ 1,254 $ 24
Allowance for credit losses (30) (28)
Houston Electric    
Cash and cash equivalents 17 14
Allowance for credit losses (2) (2)
Variable Interest Entity, Primary Beneficiary    
Cash and cash equivalents 29 21
Variable Interest Entity, Primary Beneficiary | Houston Electric    
Cash and cash equivalents $ 14 $ 14