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Regulatory Assets and Liabilities - Regulatory Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Regulatory Liabilities |  |
Total current | $ 1,347 | $ 763
Total long-term | 10,159 | 9,420
SCE |  |
Regulatory Liabilities |  |
Total current | 1,347 | 763
Total long-term | 10,159 | 9,420
Total regulatory liabilities | 11,506 | 10,183
SCE | Regulatory balancing and memorandum accounts |  |
Regulatory Liabilities |  |
Total current | 1,144 | 704
Total long-term | 2,023 | 1,395
SCE | Energy derivatives |  |
Regulatory Liabilities |  |
Total current | 165 | 16
SCE | Other |  |
Regulatory Liabilities |  |
Total current | 38 | 43
Total long-term | 15 | 17
SCE | Costs of removal |  |
Regulatory Liabilities |  |
Total long-term | 2,520 | 2,635
SCE | Deferred income taxes |  |
Regulatory Liabilities |  |
Total long-term | 2,163 | 2,211
SCE | Recoveries in excess of ARO liabilities |  |
Regulatory Liabilities |  |
Total long-term | 1,748 | 1,498
SCE | Pension and other postretirement benefits |  |
Regulatory Liabilities |  |
Total long-term | $ 1,690 | $ 1,664

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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/1943274/2147477571/980-405-25-1 + 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/1943274/2147477571/980-405-25-1 + Details
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