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Variable Interest Entities (Trusts) (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Preferred / preference stock outstanding value | $ 1,645,000,000 |  | $ 1,645,000,000 |  | $ 1,673,000,000 |  |  |  |  |
SCE |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Preferred / preference stock outstanding value | 2,495,000,000 |  | 2,495,000,000 |  | 2,495,000,000 |  |  |  |  |
Common stock | $ 2,168,000,000 |  | $ 2,168,000,000 |  | 2,168,000,000 |  |  |  |  |
SCE | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ 2,500 |  | $ 2,500 |  |  |  |  |  |  |
SCE | 6.95% Series N Preference Stock |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) | 6.95% |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ 2,500 |  | $ 2,500 |  |  |  |  |  |  |
Preferred / preference stock outstanding value | $ 350,000,000 |  | $ 350,000,000 |  |  |  |  |  |  |
SCE | Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ 25 |  | $ 25 |  |  |  |  |  |  |
Common stock | $ 10,000 |  | $ 10,000 |  | 10,000 |  |  |  |  |
SCE | Power Purchase Agreement |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Amounts paid to VIEs | 189,000,000 | $ 129,000,000 | 346,000,000 | $ 285,000,000 |  |  |  |  |  |
SCE | Trust II |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  |  |  |  |  |  |  |  | 5.10%
Liquidation preference |  |  |  |  |  |  |  |  |  | $ 400,000,000
Investments | 220,000,000 |  | 220,000,000 |  | 220,000,000 |  |  |  |  |
Preferred / preference stock outstanding value | 220,000,000 |  | 220,000,000 |  | 220,000,000 |  |  |  |  |
SCE | Trust II | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference |  |  |  |  |  |  |  |  |  | $ 400,000,000
SCE | Trust III |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  |  |  |  |  |  |  | 5.75% |
Liquidation preference |  |  |  |  |  |  |  |  | $ 275,000,000 |
Investments | 275,000,000 |  | 275,000,000 |  | 275,000,000 |  |  |  |  |
Preferred / preference stock outstanding value | 275,000,000 |  | 275,000,000 |  | 275,000,000 |  |  |  |  |
SCE | Trust III | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference |  |  |  |  |  |  |  |  | $ 275,000,000 |
SCE | Trust IV |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  |  |  |  |  |  | 5.375% |  |
Liquidation preference |  |  |  |  |  |  |  | $ 325,000,000 |  |
Investments | 325,000,000 |  | 325,000,000 |  | 325,000,000 |  |  |  |  |
Preferred / preference stock outstanding value | 325,000,000 |  | 325,000,000 |  | 325,000,000 |  |  |  |  |
SCE | Trust IV | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference |  |  |  |  |  |  |  | $ 325,000,000 |  |
SCE | Trust V |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  |  |  |  |  | 5.45% |  |  |
Liquidation preference |  |  |  |  |  |  | $ 300,000,000 |  |  |
Investments | 300,000,000 |  | 300,000,000 |  | 300,000,000 |  |  |  |  |
Preferred / preference stock outstanding value | 300,000,000 |  | 300,000,000 |  | 300,000,000 |  |  |  |  |
SCE | Trust V | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference |  |  |  |  |  |  | $ 300,000,000 |  |  |
SCE | Trust VI |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  |  |  |  | 5.00% |  |  |  |
Liquidation preference |  |  |  |  |  | $ 475,000,000 |  |  |  |
Investments | 475,000,000 |  | 475,000,000 |  | 475,000,000 |  |  |  |  |
Preferred / preference stock outstanding value | 475,000,000 |  | 475,000,000 |  | $ 475,000,000 |  |  |  |  |
SCE | Trust VI | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference |  |  |  |  |  | $ 475,000,000 |  |  |  |
SCE | Trust VII |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  |  |  | 7.50% |  |  |  |  |
Liquidation preference |  |  |  |  | $ 550,000,000 |  |  |  |  |
Investments | 550,000,000 |  | 550,000,000 |  |  |  |  |  |  |
Preferred / preference stock outstanding value | 550,000,000 |  | $ 550,000,000 |  | 550,000,000 |  |  |  |  |
SCE | Trust VII | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference |  |  |  |  | $ 550,000,000 |  |  |  |  |
SCE | Trust VIII |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Security dividend rate (as a percent) |  |  | 6.95% |  |  |  |  |  |  |
Liquidation preference | 350,000,000 |  | $ 350,000,000 |  |  |  |  |  |  |
Preferred / preference stock outstanding value | 350,000,000 |  | 350,000,000 |  |  |  |  |  |  |
SCE | Trust VIII | Trust securities |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Liquidation preference | 350,000,000 |  | 350,000,000 |  |  |  |  |  |  |
SCE | Trust VIII | 6.95% Series N Preference Stock |  |  |  |  |  |  |  |  |  |
Variable Interest Entities |  |  |  |  |  |  |  |  |  |
Investments | $ 350,000,000 |  | $ 350,000,000 |  |  |  |  |  |  |

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