Condensed Consolidated Statements of Cash Flows - SCE (Parenthetical) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Premium and net of discount and issuance costs	$ 49	$ 24
SCE
Premium and net of discount and issuance costs	$ 38	$ 24

Premiums, Discounts and Issuance Costs of Long Term Debt

No definition available.

Name:	eix_PremiumsDiscountsandIssuanceCostsofLongTermDebt
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration