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Regulatory Assets and Liabilities (Balancing Accounts) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Regulatory Assets and Liabilities |  |
Percentage of vegetation management | 115.00% |
Percentage of Wildfire Covered Conductor Program | 110.00% |
SCE |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | $ 2,004 | $ 2,287
SCE | Energy resource recovery account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 102 | 759
SCE | Portfolio allocation balancing account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 459 | (183)
SCE | New system generation balancing account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 16 | 73
SCE | Public purpose programs and energy efficiency programs |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | (1,287) | (1,066)
SCE | Base revenue requirement balancing account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 1,360 | 849
SCE | GRC wildfire mitigation balancing accounts |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 63 | 12
SCE | Residential uncollectibles balancing account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 38 |
SCE | Greenhouse gas auction revenue and low carbon fuel standard revenue |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | (393) | (298)
SCE | FERC balancing accounts |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 26 | 55
SCE | Wildfire and drought restoration accounts |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 305 | 299
SCE | Wildfire expense memorandum account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 1,034 | 1,456
SCE | COVID 19-related memorandum accounts |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 97 | 94
SCE | Customer service re-platform memorandum account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 159 | 128
SCE | Tax accounting memorandum account and pole loading balancing account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | 144 | 171
SCE | Excess Bond and Power Charge Balancing Account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | (144) |
SCE | Other balancing account |  |
Regulatory Assets and Liabilities |  |
Net regulatory assets (liabilities) | $ 25 | $ (62)

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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