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Variable Interest Entities (Income Statement) (Details) - SCE - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Trust II |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | $ 3 | $ 3 | $ 6 | $ 6
Dividend distributions | 3 | 3 | 6 | 6
Trust III |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | 4 | 4 | 8 | 8
Dividend distributions | 4 | 4 | 8 | 8
Trust IV |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | 5 | 5 | 9 | 9
Dividend distributions | 5 | 5 | 9 | 9
Trust V |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | 4 | 4 | 8 | 8
Dividend distributions | 4 | 4 | 8 | 8
Trust VI |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | 6 | 6 | 12 | 12
Dividend distributions | 6 | $ 6 | 12 | $ 12
Trust VII |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | 11 |  | 21 |
Dividend distributions | 11 |  | 21 |
Trust VIII |  |  |  |
Variable Interest Entities |  |  |  |
Dividend income | 3 |  | 3 |
Dividend distributions | $ 3 |  | $ 3 |

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