Payments for electricity purchased during the reporting period under power purchase contracts with unconsolidated VIEs.

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- Definition

Power generating capacity of the project owned and/or controlled by the entity.

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No definition available.

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Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

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The percentage rate used to calculate dividend payments on preferred stock.

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No definition available.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

+ References

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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Variable Interest Entities (Textual) (Details)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
Variable Interest Entities (Textual) (Details)	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