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Regulatory Assets and Liabilities (Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Regulatory Liabilities |  |
Current regulatory liabilities | $ 763 | $ 964
Long-term regulatory liabilities | 9,420 | 8,211
SCE |  |
Regulatory Liabilities |  |
Current regulatory liabilities | 763 | 964
Long-term regulatory liabilities | 9,420 | 8,211
Total regulatory liabilities | 10,183 | 9,175
SCE | Regulatory balancing and memorandum accounts-Liabilities |  |
Regulatory Liabilities |  |
Current regulatory liabilities | 704 | 584
Long-term regulatory liabilities | 1,395 | 1,116
SCE | Energy derivatives |  |
Regulatory Liabilities |  |
Current regulatory liabilities | 16 | 338
SCE | Costs of removal |  |
Regulatory Liabilities |  |
Long-term regulatory liabilities | 2,635 | 2,589
SCE | Deferred income taxes |  |
Regulatory Liabilities |  |
Long-term regulatory liabilities | 2,211 | 2,250
SCE | Recoveries in excess of ARO liabilities |  |
Regulatory Liabilities |  |
Long-term regulatory liabilities | 1,498 | 1,231
SCE | Pension and other postretirement benefits |  |
Regulatory Liabilities |  |
Long-term regulatory liabilities | 1,664 | 1,007
SCE | Other regulatory assets or liabilities |  |
Regulatory Liabilities |  |
Current regulatory liabilities | 43 | 42
Long-term regulatory liabilities | $ 17 | $ 18

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- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481854/980-405-25-1 + Details
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- Definition The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481854/980-405-25-1 + Details
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