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Regulatory Assets and Liabilities (Balancing Accounts) (Details) - SCE - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | $ 1,660 | $ 2,289
Energy procurement related costs |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 397 | 1,104
Public purpose and energy efficiency |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | (1,736) | (1,577)
GRC related balancing accounts |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 1,361 | 1,034
Wildfire risk mitigation and insurance |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 1,169 | 1,168
Wildfire and drought restoration |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 417 | 352
COVID-19 costs |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 16 | 67
Other |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | $ 36 | $ 141

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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//1943274/2147481878/980-340-50-1 + Details
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