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Income Taxes - Schedule of Effective Tax Rates (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Income Taxes [Line Items] |  |  |  |
Pre-Tax Income | $ 720 | $ 559 | $ 2,063 | $ 1,625
Tax Computed at Statutory Rate @ 21% | 151 | 117 | 433 | 341
Increase (Decrease) Attributable to Flow-Through of Certain Tax Adjustments: |  |  |  |
State Income Taxes (net of federal income tax) | 37 | 38 | 116 | 112
NDT Fund | 10 | 11 | 27 | 26
Uncertain Tax Positions | 1 | 1 | 4 | 3
GPRC-CEF-EE | (26) | (16) | (56) | (44)
Tax Credits | (12) | (90) | (15) | (195)
Estimated Annual Effective Tax Rate Interim Period Adjustment | 13 | 14 | (12) | 1
TAC | (77) | (33) | (232) | (100)
Other | 1 | (3) | 2 | (5)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount, Total | (53) | (78) | (166) | (202)
Total Income Tax Expense | $ 98 | $ 39 | $ 267 | $ 139
Effective Income Tax Rate | 13.60% | 7.00% | 12.90% | 8.60%
Public Service Electric and Gas Company [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Pre-Tax Income | $ 573 | $ 469 | $ 1,528 | $ 1,410
Tax Computed at Statutory Rate @ 21% | 120 | 98 | 321 | 296
Increase (Decrease) Attributable to Flow-Through of Certain Tax Adjustments: |  |  |  |
State Income Taxes (net of federal income tax) | 40 | 32 | 107 | 99
Uncertain Tax Positions | (1) | 0 | 0 | 0
GPRC-CEF-EE | (26) | (16) | (56) | (44)
Tax Credits | (3) | (2) | (6) | (6)
TAC | (77) | (33) | (232) | (100)
Bad Debt Flow-Through | 3 | (3) | 5 | (9)
Other | 2 | 14 | (4) | 5
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount, Total | (62) | (8) | (186) | (55)
Total Income Tax Expense | $ 58 | $ 90 | $ 135 | $ 241
Effective Income Tax Rate | 10.10% | 19.20% | 8.80% | 17.10%

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