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INCOME TAXES (Tables)
6 Months Ended
Jun. 30, 2024
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation The following tables reconcile the effective income tax rate to the federal income tax statutory rate for the three and six months ended June 30, 2024 and 2023:
For the Three Months Ended June 30,For the Six Months Ended June 30,
2024202320242023
(In millions)
Income before income taxes$163 $328 $565 $728 
Federal income tax expense at statutory rate (21%)$34 $69 $119 $153 
Increases (reductions) in tax expense resulting from:
Nondeductible SEC and OOCIC loss contingencies27 — 27 — 
State and municipal income taxes, net of federal tax benefit21 19 43 43 
AFUDC equity and other flow-through(8)(4)(16)(9)
Deferred taxes related to sale of equity interest in FET, net— — — 
Excess deferred tax amortization due to the Tax Act(13)(16)(26)(32)
Valuation allowances (3)— 36 — 
Other, net10 
Total income taxes$65 $74 $200 $164 
Effective income tax rate39.9 %22.6 %35.4 %22.5 %