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

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.

+ Details

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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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

+ Details

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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.

+ References

No definition available.

+ Details

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Period Type:	duration

- 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.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Debt and Credit Agreements (Summary for Status of Credit Facilities) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Revolving Credit Facility
Line of Credit Facility [Line Items]
Commitment		$ 6,800,000,000
Outstanding borrowings		1,350,000,000
Outstanding letters of credit		159,000,000
Amount available		5,291,000,000
Revolving Credit Facility \| Multi-year credit facilities
Line of Credit Facility [Line Items]
Outstanding borrowings (excluding discount)		2,000,000,000.0
SCE \| Multi-year credit facilities
Line of Credit Facility [Line Items]
Commitment		3,000,000,000
Outstanding borrowings		725,000,000
Outstanding letters of credit		159,000,000
Amount available		$ 2,116,000,000
SCE \| Multi-year credit facilities \| Commercial paper
Line of Credit Facility [Line Items]
Outstanding borrowings			$ 550,000,000
Weighted average interest rate (as a percent)		0.43%	2.24%
SCE \| Multi-year credit facilities \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.08%
SCE \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Commitment		$ 5,300,000,000
Outstanding borrowings		1,220,000,000
Outstanding letters of credit		159,000,000
Amount available		3,921,000,000
SCE \| Revolving Credit Facility \| Multi-year credit facilities
Line of Credit Facility [Line Items]
Outstanding borrowings (excluding discount)		4,000,000,000.0
SCE \| Revolving Credit Facility \| March 2020 term loan agreement
Line of Credit Facility [Line Items]
Commitment		800,000,000
Outstanding borrowings		495,000,000
Outstanding letters of credit		0
Amount available		305,000,000
Outstanding borrowings (excluding discount)		$ 1,100,000,000
SCE \| Revolving Credit Facility \| March 2020 term loan agreement \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.125%	0.65%
SCE \| Revolving Credit Facility \| May 2020 Credit Agreement
Line of Credit Facility [Line Items]
Commitment		$ 1,500,000,000
Outstanding borrowings		0
Outstanding letters of credit		0
Amount available		$ 1,500,000,000
SCE \| Revolving Credit Facility \| May 2020 Credit Agreement \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.50%
Edison International \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Commitment		$ 1,500,000,000
Outstanding borrowings		130,000,000
Outstanding letters of credit		0
Amount available		1,370,000,000
Edison International \| Revolving Credit Facility \| Multi-year credit facilities
Line of Credit Facility [Line Items]
Commitment		1,500,000,000
Outstanding borrowings		130,000,000
Outstanding letters of credit		0
Amount available		$ 1,370,000,000
Weighted average interest rate (as a percent)		0.42%
Edison International \| Revolving Credit Facility \| Multi-year credit facilities \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.28%
Edison International Parent and Other \| Multi-year credit facilities
Line of Credit Facility [Line Items]
Outstanding borrowings			$ 0