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STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - CERC - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net income $ 1,019 $ 917 $ 1,057
Other comprehensive income (loss):      
Adjustment to pension and other postretirement plans (net of tax of $-0-, $-0- and $4) 15 (5) 32
Total 18 (4) 33
CERC      
Net income 540 512 725
Other comprehensive income (loss):      
Adjustment to pension and other postretirement plans (net of tax of $-0-, $-0- and $4) 1 0 6
Total 1 0 6
Comprehensive income $ 541 $ 512 $ 731