XML 69 R40.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Regulatory Assets and Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Regulatory Assets and Liabilities Disclosure [Abstract] |
Regulatory Assets Included on the Consolidated Balance Sheets | SCE's regulatory assets included on the consolidated balance sheets are:
| December 31,
(in millions) | 2014 |  | 2013
Current: |  |  |
Regulatory balancing accounts | $ | 1,088 |  |  | $ | 484 |
Energy derivatives | 159 |  |  | 54 |
Other | 7 |  |  | — |
Total current | 1,254 |  |  | 538 |
Long-term: |  |  |
Deferred income taxes, net | 3,405 |  |  | 2,957 |
Pensions and other postretirement benefits | 1,218 |  |  | 369 |
Energy derivatives | 850 |  |  | 816 |
Unamortized investments, net | 255 |  |  | 332 |
San Onofre | 1,288 |  |  | 1,325 |
Unamortized loss on reacquired debt | 201 |  |  | 222 |
Regulatory balancing accounts | 44 |  |  | 818 |
Other | 351 |  |  | 402 |
Total long-term | 7,612 |  |  | 7,241 |
Total regulatory assets | $ | 8,866 |  |  | $ | 7,779 |
Regulatory Liabilities Included on the Consolidated Balance Sheets | SCE's regulatory liabilities included on the consolidated balance sheets are:
| December 31,
(in millions) | 2014 |  | 2013
Current: |  |  |
Regulatory balancing accounts | $ | 380 |  |  | $ | 724 |
Other | 21 |  |  | 43 |
Total current | 401 |  |  | 767 |
Long-term: |  |  |
Costs of removal | 2,826 |  |  | 2,780 |
Recoveries in excess of ARO liabilities 1 | 1,956 |  |  | 1,071 |
Regulatory balancing accounts | 1,083 |  |  | 1,132 |
Other | 24 |  |  | 12 |
Total long-term | 5,889 |  |  | 4,995 |
Total regulatory liabilities | $ | 6,290 |  |  | $ | 5,762 |
Schedule of Regulatory Balancing Accounts | The following table summarizes the significant components of regulatory balancing accounts included in the above tables of regulatory assets and liabilities:
| December 31,
(in millions) | 2014 |  | 2013
Asset (liability) |  |  |
Energy resource recovery account | $ | 1,028 |  |  | $ | 1,005 |
Four Corners memorandum account | — |  |  | 145 |
New system generation balancing account | 35 |  |  | 132 |
Public purpose programs and energy efficiency programs | (874 | ) |  | (1,152 | )
Base rate recovery balancing account | (5 | ) |  | (247 | )
Greenhouse gas auction revenue | (182 | ) |  | (385 | )
FERC balancing accounts | (32 | ) |  | (59 | )
Generator settlements | (197 | ) |  | 7 |
Other | (104 | ) |  | — |
Liability | $ | (331 | ) |  | $ | (554 | )

X
- Definition Schedule of Regulatory Balancing Accounts [Table Text Block] + References No definition available. + Details
Name: | eix_ScheduleofRegulatoryBalancingAccountsTableTextBlock
Namespace Prefix: | eix_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 715 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501251&loc=d3e52485-110419 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44264-110382 + Details
Name: | us-gaap_ScheduleOfRegulatoryAssetsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 405 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394 + Details
Name: | us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration