XML 55 R62.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Debt and Credit Agreements (Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Debt Instrument [Line Items] |  |
Current portion of long-term debt | $ (504)us-gaap_LongTermDebtCurrent | $ (601)us-gaap_LongTermDebtCurrent
Long-term debt | 10,234 us-gaap_LongTermDebtNoncurrent | 9,825 us-gaap_LongTermDebtNoncurrent
Edison International |  |
Debt Instrument [Line Items] |  |
Current portion of long-term debt | (204)us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Long-term debt | 610 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 400 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Edison International | Debentures and notes: |  |
Debt Instrument [Line Items] |  |
Interest rate on debt, minimum (as a percent) | 0.00%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Interest rate on debt, maximum (as a percent) | 3.75%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Edison International Parent and Other: |  |
Debt Instrument [Line Items] |  |
Other long-term debt | 2 us-gaap_OtherLongTermDebt / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember | 4 us-gaap_OtherLongTermDebt / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember
Current portion of long-term debt | (204)us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember | (1)us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember
Unamortized debt discount, net | (5)us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember | 0 us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember
Long-term debt | 610 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember | 403 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember
Edison International Parent and Other: | Debentures and notes: |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 817 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember | 400 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = eix_EdisonInternationalParentAndOtherMember
Southern California Edison |  |
Debt Instrument [Line Items] |  |
Current portion of long-term debt | (300)us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | (600)us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Unamortized debt discount, net | (37)us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | (38)us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Long-term debt | 9,624 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 9,422 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Southern California Edison | Debentures and notes: |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 307 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 307 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Interest rate on debt, minimum (as a percent) | 5.06%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Interest rate on debt, maximum (as a percent) | 6.65%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / us-gaap_DebtInstrumentAxis = eix_DebenturesAndNotesMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Southern California Edison | First and refunding mortgage bonds: |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 8,875 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_FirstAndRefundingMortgageBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 8,975 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_FirstAndRefundingMortgageBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Interest rate on debt, minimum (as a percent) | 1.125%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / us-gaap_DebtInstrumentAxis = eix_FirstAndRefundingMortgageBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Interest rate on debt, maximum (as a percent) | 6.05%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / us-gaap_DebtInstrumentAxis = eix_FirstAndRefundingMortgageBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Southern California Edison | Pollution-control bonds: |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 940 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_PollutionControlBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 939 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_PollutionControlBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Interest rate on debt, minimum (as a percent) | 1.375%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / us-gaap_DebtInstrumentAxis = eix_PollutionControlBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Interest rate on debt, maximum (as a percent) | 5.00%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / us-gaap_DebtInstrumentAxis = eix_PollutionControlBondsMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Southern California Edison | Bonds repurchased |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | $ (161)us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_BondsRepurchasedMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | $ (161)us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = eix_BondsRepurchasedMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember

X
- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
Name: | us-gaap_OtherLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=eix_EdisonInternationalParentAndOtherMember
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: |

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