XML 93 R75.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Interest and Other Income and Other Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Interest and other income: |  |  |  |
Interest and other income | $ 32 | $ 32 | $ 97 | $ 114
Other expenses: |  |  |  |
Total Edison International other expenses | 9 | 15 | 29 | 40
Southern California Edison |  |  |  |
Interest and other income: |  |  |  |
Equity allowance for funds used during construction | 16 | 21 | 58 | 63
Increase in cash surrender value of life insurance policies | 12 | 5 | 29 | 22
Interest income | 1 | 1 | 4 | 4
Other | 3 | 2 | 6 | 4
Total SCE interest and other income | 32 | 29 | 97 | 93
Interest and other income | 32 | 29 | 97 | 93
Other expenses: |  |  |  |
Civic, political and related activities and donations | 6 | 8 | 19 | 21
Other | 3 | 7 | 7 | 18
Total SCE other expenses | 9 | 15 | 26 | 39
Total Edison International other expenses | 9 | 15 | 26 | 39
Edison International Parent and Other |  |  |  |
Interest and other income: |  |  |  |
Other income of Edison International Parent and Other | 0 | 3 | 0 | 21
Interest and other income | 32 | 32 | 97 | 114
Other expenses: |  |  |  |
Other expense of Edison International Parent and Other | 0 | 0 | 3 | 1
Total Edison International other expenses | $ 9 | $ 15 | $ 29 | $ 40

X
- Definition This element represents civic, political and related activities and donations. + References No definition available. + Details
Name: | eix_CivicPoliticalRelatedActivitiesAndDonations
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the total other expenses of competitive power generation segment. + References No definition available. + Details
Name: | eix_CompetitivePowerGenerationAndOtherExpenses
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the total other income from competitive power generation segment. + References No definition available. + Details
Name: | eix_CompetitivePowerGenerationAndOtherIncome
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the net change during the reporting period in cash surrender value of life insurance policies. + References No definition available. + Details
Name: | eix_IncreaseDecreaseInCashSurrenderValueOfLifeInsurancePolicies
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents other miscellaneous nonoperating expenses excluding competitive power generation. + References No definition available. + Details
Name: | eix_OtherExpenseExcludingCompetitivePowerGeneration
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents other miscellaneous nonoperating income excluding competitive power generation. + References No definition available. + Details
Name: | eix_OtherIncomeExcludingCompetitivePowerGeneration
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | eix_OtherNonoperatingExpensesAbstract
Namespace Prefix: | eix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | eix_OtherNonoperatingIncomeAbstract
Namespace Prefix: | eix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the utility expenses not otherwise defined. + References No definition available. + Details
Name: | eix_OtherUtilityExpense
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the utility income not otherwise defined. + References No definition available. + Details
Name: | eix_OtherUtilityIncome
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest income earned from interest bearing assets classified as other. + References No definition available. + Details
Name: | us-gaap_InterestIncomeOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherNonoperatingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of income related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherNonoperatingIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
Name: | us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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