Capital Expenditures Excluded from Equity Portion of Rate Base

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- Definition

Line of Credit Facility, Number of 364 Day Extensions

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No definition available.

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- Definition

Repurchase of Pollution Control Bond

+ References

No definition available.

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- Definition

Short-term Debt, Expiration Period

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

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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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Fair value of the amount outstanding under the credit facility.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of cash outflow reducing loss contingency liability.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The cash outflow from settlement of a long-term debt security issued by a state, certain agencies or authorities, a local government, or development corporation to finance the construction of air- or water-pollution control facilities or sewage or solid waste disposal facilities pursuant to federal law. The bonds are backed by the credit of the beneficiary of the financing rather than the credit of the issuer.

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- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Debt and Credit Agreements (Details)		1 Months Ended				3 Months Ended		9 Months Ended
Debt and Credit Agreements (Details)	Aug. 01, 2019 USD ($)	Oct. 27, 2020 USD ($)	Sep. 30, 2020 USD ($)	May 31, 2020 USD ($)	Mar. 31, 2020 USD ($) extension	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2020 USD ($)
2017/2018 Wildfire/Mudslide Event
Debt Instrument [Line Items]
Amounts paid								$ 37,000,000
4.95% senior notes due 2025 \| Senior notes
Debt Instrument [Line Items]
Debt						$ 400,000,000
Stated interest rate						4.95%
2.125% senior notes due 2020 \| Senior notes
Debt Instrument [Line Items]
Stated interest rate						2.125%
Repayments of outstanding debt						$ 400,000,000
Term Loan Agreement
Debt Instrument [Line Items]
Debt					$ 800,000,000
Term Loan Agreement \| London Interbank Offered Rate
Debt Instrument [Line Items]
Basis spread on variable rate					1.125%
Multi-year revolving credit facility
Debt Instrument [Line Items]
Multi-year revolving credit facilities			$ 1,500,000,000					1,500,000,000
Commitment			2,000,000,000.0					2,000,000,000.0
Multi-year revolving credit facility \| Commercial paper
Debt Instrument [Line Items]
Outstanding commercial paper			0				$ 0	0
Southern California Edison
Debt Instrument [Line Items]
Repurchased tax exempt pollution bonds						373,000,000
Excluded wildfire risk mitigation capital expenditures	$ 1,600,000,000				$ 1,600,000,000
Southern California Edison \| 2017/2018 Wildfire/Mudslide Event
Debt Instrument [Line Items]
Amounts paid							360,000,000	37,000,000
Southern California Edison \| 2017/2018 Wildfire/Mudslide Event \| Subsequent event
Debt Instrument [Line Items]
Amounts paid		$ 1,200,000,000
Southern California Edison \| 4.20% first and refunding mortgage bonds due 2029 \| First and refunding mortgage bonds
Debt Instrument [Line Items]
Debt					$ 100,000,000
Stated interest rate					2.85%
Southern California Edison \| 4.875% first and refunding mortgage bonds due 2049 \| First and refunding mortgage bonds
Debt Instrument [Line Items]
Debt					$ 500,000,000
Stated interest rate					3.65%
Southern California Edison \| 2.25% first and refunding mortgage bonds due 2030 \| First and refunding mortgage bonds
Debt Instrument [Line Items]
Debt					$ 400,000,000
Stated interest rate					2.25%
Southern California Edison \| 3.65% first and refunding mortgage bonds due 2050 \| First and refunding mortgage bonds
Debt Instrument [Line Items]
Debt					$ 700,000,000
Stated interest rate					3.65%
Southern California Edison \| 3.70% first and refunding mortgage bonds due 2025 \| First and refunding mortgage bonds
Debt Instrument [Line Items]
Debt						$ 600,000,000
Stated interest rate						3.70%
Southern California Edison \| Tax-exempt pollution control bonds
Debt Instrument [Line Items]
Repayment of tax-exempt pollution control bonds			244,000,000
Southern California Edison \| May 2020 credit agreement \| Revolving credit facility
Debt Instrument [Line Items]
Multi-year revolving credit facilities				$ 1,500,000,000
Amounts drawn against the revolving credit facility			0					0
Southern California Edison \| May 2020 credit agreement \| London Interbank Offered Rate \| Revolving credit facility
Debt Instrument [Line Items]
Basis spread on variable rate				1.50%
Southern California Edison \| Term Loan Agreement
Debt Instrument [Line Items]
Debt					$ 475,000,000
Southern California Edison \| Term Loan Agreement \| London Interbank Offered Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.60%
Southern California Edison \| March 2020 credit agreement \| Revolving credit facility
Debt Instrument [Line Items]
Multi-year revolving credit facilities					$ 800,000,000
Amounts drawn against the revolving credit facility			654,000,000					654,000,000
Number of 364-day extensions \| extension					2
Commitment					$ 1,100,000,000
Southern California Edison \| March 2020 credit agreement \| London Interbank Offered Rate \| Revolving credit facility
Debt Instrument [Line Items]
Basis spread on variable rate					0.65%
Southern California Edison \| Multi-year revolving credit facility
Debt Instrument [Line Items]
Multi-year revolving credit facilities			3,000,000,000.0					3,000,000,000.0
Commitment			4,000,000,000.0					4,000,000,000.0
Southern California Edison \| Multi-year revolving credit facility \| Commercial paper
Debt Instrument [Line Items]
Outstanding commercial paper			$ 623,000,000				$ 550,000,000	$ 623,000,000
Weighted average interest rate			0.25%				2.24%	0.25%
Southern California Edison \| Multi-year revolving credit facility \| Letters of credit
Debt Instrument [Line Items]
Outstanding letters of credit			$ 200,000,000				$ 152,000,000	$ 200,000,000
Letters of credit expiration period								12 months
Southern California Edison \| 1.20% first and refunding mortgage bonds due 2026 \| First and refunding mortgage bonds \| Subsequent event
Debt Instrument [Line Items]
Debt		$ 350,000,000
Stated interest rate		1.20%