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v2.4.1.9

Supplemental Cash Flows Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash payments (receipts) for interest and taxes: |  |  |
Interest, net of amounts capitalized | $ 504 us-gaap_InterestPaidNet | $ 477 us-gaap_InterestPaidNet | $ 452 us-gaap_InterestPaidNet
Tax payments (refunds), net | 32 us-gaap_IncomeTaxesPaidNet | 28 us-gaap_IncomeTaxesPaidNet | (165)us-gaap_IncomeTaxesPaidNet
Dividends declared but not paid: |  |  |
Common stock | 136 us-gaap_DebtConversionOriginalDebtAmount1 | 116 us-gaap_DebtConversionOriginalDebtAmount1 | 110 us-gaap_DebtConversionOriginalDebtAmount1
Preferred and preference stock | 18 us-gaap_DebtConversionConvertedInstrumentAmount1 | 30 us-gaap_DebtConversionConvertedInstrumentAmount1 | 24 us-gaap_DebtConversionConvertedInstrumentAmount1
Notes issued under EME Settlement Agreement | 418 us-gaap_NotesIssued1 | 0 us-gaap_NotesIssued1 | 0 us-gaap_NotesIssued1
Southern California Edison |  |  |
Cash payments (receipts) for interest and taxes: |  |  |
Interest, net of amounts capitalized | 487 us-gaap_InterestPaidNet / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 462 us-gaap_InterestPaidNet / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 437 us-gaap_InterestPaidNet / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Tax payments (refunds), net | (88)us-gaap_IncomeTaxesPaidNet / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 28 us-gaap_IncomeTaxesPaidNet / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | (279)us-gaap_IncomeTaxesPaidNet / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Dividends declared but not paid: |  |  |
Common stock | 147 us-gaap_DebtConversionOriginalDebtAmount1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 0 us-gaap_DebtConversionOriginalDebtAmount1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 0 us-gaap_DebtConversionOriginalDebtAmount1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Preferred and preference stock | 18 us-gaap_DebtConversionConvertedInstrumentAmount1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 30 us-gaap_DebtConversionConvertedInstrumentAmount1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 24 us-gaap_DebtConversionConvertedInstrumentAmount1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Notes issued under EME Settlement Agreement | 0 us-gaap_NotesIssued1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 0 us-gaap_NotesIssued1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 0 us-gaap_NotesIssued1 / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Accrued capital expenditures | $ 837 us-gaap_CapitalExpendituresIncurredButNotYetPaid / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | $ 661 us-gaap_CapitalExpendituresIncurredButNotYetPaid / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | $ 671 us-gaap_CapitalExpendituresIncurredButNotYetPaid / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember

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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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