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v3.20.2

Variable Interest Entities (Textual) (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 30, 2020 USD ($) MW | Sep. 30, 2020 USD ($) MW | Sep. 30, 2019 USD ($) MW | Sep. 30, 2020 USD ($) MW | Sep. 30, 2019 USD ($) MW | Dec. 31, 2017 USD ($) $ / shares | Dec. 31, 2016 USD ($) $ / shares | Dec. 31, 2015 USD ($) $ / shares | Dec. 31, 2014 USD ($) $ / shares | Dec. 31, 2013 USD ($) $ / shares | Dec. 31, 2019 USD ($)
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Redemption of trust securities |  | $ (308,000,000) |  |  |  |  |  |  |  |  |
Southern California Edison |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Redemption of trust securities |  | 120,000,000 |  | $ 308,000,000 |  |  |  |  |  |  |
Southern California Edison | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Redemption of trust securities |  | $ 180,000,000 |  |  |  |  |  |  |  |  |
Southern California Edison | VIE | SCE Power Purchase Contracts |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Power generating capacity (in megawatts) | MW | 5,356 | 5,356 | 4,894 | 5,356 | 4,894 |  |  |  |  |  |
Payments to unconsolidated VIEs for power purchase contracts |  | $ 360,000,000 | $ 353,000,000 | $ 661,000,000 | $ 628,000,000 |  |  |  |  |  |
Southern California Edison | VIE | Trust II | Trust Securities |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  |  |  |  | 5.10% |
Liquidation preference | $ 220,000,000 | 220,000,000 |  | 220,000,000 |  |  |  |  |  | $ 400,000,000 | $ 400,000,000
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 25 |
Common stock |  |  |  |  |  |  |  |  |  | $ 10,000 |
Redemption of trust securities |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Southern California Edison | VIE | Trust II | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  |  |  |  | 5.10% |
Liquidation preference | 220,000,000 | 220,000,000 |  | 220,000,000 |  |  |  |  |  | $ 400,000,000 | $ 400,000,000
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 2,500 |
Redemption of trust securities | 180,000,000 |  |  |  |  |  |  |  |  |  |
Southern California Edison | VIE | Trust III | Trust Securities |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  |  |  | 5.75% |  |
Liquidation preference | 275,000,000 | 275,000,000 | 275,000,000 | 275,000,000 | 275,000,000 |  |  |  | $ 275,000,000 |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 25 |  |
Redemption of trust securities |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Southern California Edison | VIE | Trust III | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 2,500 |  |
Southern California Edison | VIE | Trust III | Series H Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  |  |  | 5.75% |  |
Liquidation preference | 275,000,000 | 275,000,000 | 275,000,000 | 275,000,000 | 275,000,000 |  |  |  | $ 275,000,000 |  |
Southern California Edison | VIE | Trust IV | Trust Securities |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  |  | 5.375% |  |  |
Liquidation preference | 325,000,000 | 325,000,000 | 325,000,000 | 325,000,000 | 325,000,000 |  |  | $ 325,000,000 |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 25 |  |  |
Redemption of trust securities |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Southern California Edison | VIE | Trust IV | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  | $ 2,500 |  |  |  |  |
Southern California Edison | VIE | Trust IV | Series J Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  |  | 5.375% |  |  |
Liquidation preference | 325,000,000 | 325,000,000 | 325,000,000 | 325,000,000 | 325,000,000 |  |  | $ 325,000,000 |  |  |
Southern California Edison | VIE | Trust V | Trust Securities |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  | 5.45% |  |  |  |
Liquidation preference | 300,000,000 | 300,000,000 | 300,000,000 | 300,000,000 | 300,000,000 |  | $ 300,000,000 |  |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 25 |  |  |  |
Redemption of trust securities |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Southern California Edison | VIE | Trust V | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 2,500 |  |  |  |
Southern California Edison | VIE | Trust V | Series K Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  |  | 5.45% |  |  |  |
Liquidation preference | 300,000,000 | 300,000,000 | 300,000,000 | 300,000,000 | 300,000,000 |  | $ 300,000,000 |  |  |  |
Southern California Edison | VIE | Trust VI | Trust Securities |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  | 5.00% |  |  |  |  |
Liquidation preference | 475,000,000 | 475,000,000 | 475,000,000 | 475,000,000 | 475,000,000 | $ 475,000,000 |  |  |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  | $ 25 |  |  |  |  |
Redemption of trust securities |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Southern California Edison | VIE | Trust VI | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Liquidation value (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 2,500 |  |  |
Southern California Edison | VIE | Trust VI | Series L Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |  |  |  |
Security dividend rate |  |  |  |  |  | 5.00% |  |  |  |  |
Liquidation preference | $ 475,000,000 | $ 475,000,000 | $ 475,000,000 | $ 475,000,000 | $ 475,000,000 | $ 475,000,000 |  |  |  |  |

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