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Variable Interest Entities (Recovery Funding) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Feb. 28, 2022 | Dec. 31, 2021 | Feb. 28, 2021
--- | --- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |
Other current assets | $ 397 |  | $ 249 |
Regulatory assets: non-current | 8,181 |  | 7,660 |
Regulatory liabilities: current | 964 |  | 603 |
Current portion of long-term debt | 2,614 |  | 1,077 |
Other current liabilities | 1,601 |  | 1,667 |
Long-term debt | 27,025 |  | 24,170 |
SCE Recovery Funding LLC |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other current assets | 45 |  | 19 |
Regulatory assets: non-current | 834 |  | 325 |
Regulatory liabilities: current | 33 |  | 14 |
Current portion of long-term debt | 29 |  | 14 |
Other current liabilities | 4 |  | 1 |
Long-term debt | 809 |  | 314 |
SCE |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other current assets | 384 |  | 222 |
Regulatory assets: non-current | 8,181 |  | 7,660 |
Regulatory liabilities: current | 964 |  | 603 |
Current portion of long-term debt | 2,214 |  | 377 |
Other current liabilities | 1,578 |  | 1,631 |
Long-term debt | 24,044 |  | 21,733 |
SCE | SCE Recovery Funding LLC |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Regulatory assets: non-current | 834 |  | 325 |
Long-term debt | $ 809 |  | $ 314 |
SCE | SCE Recovery Funding LLC | Series 2022-A senior secured recovery bonds |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Debt |  | $ 533 |  |
SCE | SCE Recovery Funding LLC | Series 2021-A senior secured recovery bonds |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Debt |  |  |  | $ 338

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