XML 84 R73.htm IDEA: XBRL DOCUMENT
v3.25.2

Investments - Schedule of Amortized Cost and Fair Value of the Trust Investments (Details) - SCE - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Measurements |  |
Fair Values | $ 4,324 | $ 4,286
Deferred tax liabilities on net unrealized gains | 398 | 373
Total debt securities and other |  |
Fair Value Measurements |  |
Amortized Costs | 2,373 | 2,428
Fair Values | 2,603 | 2,655
Municipal bonds |  |
Fair Value Measurements |  |
Amortized Costs | 770 | 729
Fair Values | 921 | 860
Government and agency securities |  |
Fair Value Measurements |  |
Amortized Costs | 1,086 | 1,201
Fair Values | 1,263 | 1,341
Corporate bonds |  |
Fair Value Measurements |  |
Amortized Costs | 322 | 346
Fair Values | 380 | 392
Short-term investments and receivables/(payables) |  |
Fair Value Measurements |  |
Amortized Costs | 195 | 152
Fair Values | 39 | 62
Repurchase Agreements |  |
Fair Value Measurements |  |
Fair Values | 120 | 18
Equity securities |  |
Fair Value Measurements |  |
Fair Values | $ 1,721 | $ 1,631

X
- Definition Decommissioning Fund Investments, Receivables (Payables), Fair Value + References No definition available. + Details
Name: | eix_DecommissioningFundInvestmentsReceivablesPayablesFairValue
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of decommissioning trust assets at amortized cost as of the balance sheet date. + References No definition available. + Details
Name: | eix_DecommissioningTrustAssetsAmortizedCost
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Decommissioning Trust, Deferred Income Taxes + References No definition available. + Details
Name: | eix_DecommissioningTrustDeferredIncomeTaxes
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=eix_DebtSecuritiesAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CorporateBondSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_RepurchaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |