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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - HOUSTON ELECTRIC (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Adjustment to pension and other postemployment plans, tax $ 4 $ (1) $ 2
Houston Electric      
Adjustment to pension and other postemployment plans, tax $ 0 $ 0 $ 0