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v3.20.2

Related-Party Transactions (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |  |  |
Wildfire Insurance Fund expense | $ 83 | $ 0 | $ 167 | $ 0 |
Southern California Edison |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Wildfire Insurance Fund expense | 83 | 0 | 167 | 0 |
Southern California Edison | Subsidiary of Common Parent | Wildfire Liability Insurance |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Wildfire insurance premiums | 176 | 74 | 176 | 260 |
Long-term insurance receivable due from affiliate | 803 |  | 803 |  | $ 803
Prepaid insurance | 1 |  | 1 |  | $ 10
Wildfire Insurance Fund expense | $ 50 | $ 41 | $ 100 | $ 72 |

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