Summary of Significant Accounting Policies - Narrative (Details)	3 Months Ended
Mar. 31, 2025 mi²
Wildfire Insurance Fund
Organization
Insurance fund contribution amortization period	20 years
SCE
Organization
Supply of electricity area covered (in square miles)	50,000

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.

No definition available.

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration