XML 104 R88.htm IDEA: XBRL DOCUMENT
v3.22.4

Compensation and Benefit Plans (Employee Savings Plan) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined Contribution Plans [Line Items] |  |  |
Employer contributions | $ 103 | $ 97 | $ 93
SCE |  |  |
Defined Contribution Plans [Line Items] |  |  |
Employer contributions | $ 101 | $ 96 | $ 92

X
- Definition Defined Contribution Plans [Line Items] + References No definition available. + Details
Name: | eix_DefinedContributionPlansLineItems
Namespace Prefix: | eix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=eix_SouthernCaliforniaEdisonCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |