Summary of Significant Accounting Policies (Revenue) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Nov. 30, 2023	Sep. 30, 2024
Public Utilities, General Disclosures [Line Items]
Revenue not yet approved	$ 1,100
Requested increase (decrease) revenue requirement	$ (290)
Requested increase (decrease) revenue requirement (as a percent)	(20.00%)
SCE
Public Utilities, General Disclosures [Line Items]
Severance costs		$ 47

Amount of regulatory revenue not yet approved by the regulatory authority.

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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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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

+ Details

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

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