XML 163 R139.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Allowance for uncollectible amounts |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | $ 188.0 | $ 49.0 | $ 51.0
Charged to Costs and Expenses | 44.0 | 46.0 | 32.0
Charged to Other Accounts | 91.0 | 120.0 | 0.0
Deductions | 14.0 | 27.0 | 34.0
Balance at End of Period | 309.0 | 188.0 | 49.0
Allowance for uncollectible amounts | Customers |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | 175.0 | 35.0 | 31.0
Charged to Costs and Expenses | 33.0 | 36.0 | 22.0
Charged to Other Accounts | 91.0 | 120.0 | 0.0
Deductions | 6.0 | 16.0 | 18.0
Balance at End of Period | 293.0 | 175.0 | 35.0
Allowance for uncollectible amounts | All others |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | 13.0 | 14.0 | 20.0
Charged to Costs and Expenses | 11.0 | 10.0 | 10.0
Charged to Other Accounts | 0.0 | 0.0 | 0.0
Deductions | 8.0 | 11.0 | 16.0
Balance at End of Period | 16.0 | 13.0 | 14.0
Tax valuation allowance |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | 35.0 | 35.0 | 36.0
Charged to Costs and Expenses | 9.0 | 0.0 | 0.0
Charged to Other Accounts | 0.0 | 0.0 | 0.0
Deductions | 0.0 | 0.0 | 1.0
Balance at End of Period | 44.0 | 35.0 | 35.0
Tax valuation allowance | Operating loss carryforward |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Valuation allowance increase (decrease) | 3.0 |  |
Tax valuation allowance | Charitable contribution carryover |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Valuation allowance increase (decrease) | 6.0 |  |
SCE | Allowance for uncollectible amounts |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | 188.0 | 49.0 | 51.0
Charged to Costs and Expenses | 44.0 | 46.0 | 32.0
Charged to Other Accounts | 91.0 | 120.0 | 0.0
Deductions | 14.0 | 27.0 | 34.0
Balance at End of Period | 309.0 | 188.0 | 49.0
SCE | Allowance for uncollectible amounts | Customers |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | 175.0 | 35.0 | 31.0
Charged to Costs and Expenses | 33.0 | 36.0 | 22.0
Charged to Other Accounts | 91.0 | 120.0 | 0.0
Deductions | 6.0 | 16.0 | 18.0
Balance at End of Period | 293.0 | 175.0 | 35.0
SCE | Allowance for uncollectible amounts | All others |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Balance at Beginning of Period | 13.0 | 14.0 | 20.0
Charged to Costs and Expenses | 11.0 | 10.0 | 10.0
Charged to Other Accounts | 0.0 | 0.0 | 0.0
Deductions | 8.0 | 11.0 | 16.0
Balance at End of Period | 16.0 | $ 13.0 | $ 14.0
SCE | Tax valuation allowance |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Charged to Costs and Expenses | 6.0 |  |
Charged to Other Accounts | 0.0 |  |
Deductions | 0.0 |  |
Balance at End of Period | 6.0 |  |
SCE | Tax valuation allowance | Charitable contribution carryover |  |  |
Movement in Valuation and Qualifying Accounts |  |  |
Valuation allowance increase (decrease) | $ 6.0 |  |

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForCreditLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerSalesChannelAxis=us-gaap_SalesChannelDirectlyToConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerSalesChannelAxis=eix_SalesChannelAllOthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceOtherTaxCarryforwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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