v3.26.1

Summary of Significant Accounting Policies - Narrative (Details) $ in Millions		3 Months Ended		15 Months Ended
	Nov. 30, 2025 USD ($)	Mar. 31, 2026 USD ($) mi² shares	Mar. 31, 2025 shares	Mar. 31, 2026 USD ($)
Organization
Coverage period		20 years
Antidilutive awards excluded from earnings per share (in shares) \| shares		2,241,826	8,203,681
Revenue not yet approved	$ 1,500
Requested increase revenue requirement	$ 157
Requested increase revenue requirement (as a percent)	12.00%
SCE
Organization
Supply of electricity area covered (in square miles) \| mi²		50,000
Loss contingency, expected recoveries from wildfire fund		$ 161
SCE \| Eaton Fire
Organization
Loss contingency, expected recoveries from wildfire fund		$ 161		$ (295)

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

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- Definition

Loss Contingency, Expected Recoveries From Wildfire Fund

+ References

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- Definition

Supply Of Electricity Area Covered 1

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- Definition

Wildfire Fund, Period Of Coverage

+ References

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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

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

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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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EDISON INTERNATIONAL 10-Q