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Regulatory Assets and Liabilities - Balancing Accounts (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | $ 423 | $ 1,660
Energy procurement related costs | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | (97) | 397
Public purpose and energy efficiency | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | (1,708) | (1,736)
GRC related balancing accounts | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | 976 | 1,361
FERC related balancing accounts | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | 125 | (211)
Wildfire risk mitigation and insurance | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | 741 | 1,169
Wildfire and drought restoration | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | 238 | 417
Tax accounting memorandum account | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | (40) | 108
Other | SCE |  |
Component Of Balancing Account [Line Items] |  |
Assets, net of liabilities | $ 188 | $ 155
Vegetation Management Balancing Account |  |
Component Of Balancing Account [Line Items] |  |
Authorized recovery threshold | 115.00% |
Wildfire Mitigation Risk Balancing Account |  |
Component Of Balancing Account [Line Items] |  |
Authorized recovery threshold | 110.00% |

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- Definition Authorized Recovery Threshold, Percentage + References No definition available. + Details
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- Definition Component Of Balancing Account [Line Items] + References No definition available. + Details
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- Definition The net amount of all regulatory assets less all regulatory liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1 + Details
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- Details
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- Details
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