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Income Taxes (Rate Reconciliation) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Income Tax |  |  |  |
Statutory tax rate (as a percent) | 21.00% | 21.00% | 21.00% | 21.00%
Income from operations before income taxes | $ 568 | $ 460 | $ 507 | $ 838
Provision for income tax at federal statutory rate of 21% | 119 | 97 | 106 | 176
Increase (decrease) in income tax from: |  |  |  |
State tax, net of federal income tax effect | 7 | 1 | (30) |
Property-related | (62) | (47) | (117) | (105)
Other | (5) |  | (13) | (7)
Total income tax (benefit) expense | $ 59 | $ 51 | $ (54) | $ 64
Effective tax rate | 10.40% | 11.10% | (10.70%) | 7.60%
SCE |  |  |  |
Income Tax |  |  |  |
Statutory tax rate (as a percent) | 21.00% | 21.00% | 21.00% | 21.00%
Income from operations before income taxes | $ 655 | $ 517 | $ 677 | $ 945
Provision for income tax at federal statutory rate of 21% | 138 | 109 | 142 | 198
Increase (decrease) in income tax from: |  |  |  |
State tax, net of federal income tax effect | 13 | 8 | (18) | 11
Property-related | (62) | (47) | (117) | (105)
Other | (6) | (2) | (8) | (7)
Total income tax (benefit) expense | $ 83 | $ 68 | $ (1) | $ 97
Effective tax rate | 12.70% | 13.20% | (0.10%) | 10.30%

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