v3.4.0.3

NUCLEAR PLANT - DECOMMISSIONING AND FUNDING (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Mar. 31, 2016
Nuclear Plant Decommissioning And Funding [Line Items] |  |  |  |
Nuclear decommissioning trusts | $ 1,063 | [1] |  | $ 1,082
San Diego Gas and Electric Company [Member] |  |  |  |
Nuclear Plant Decommissioning And Funding [Line Items] |  |  |  |
Nuclear decommissioning trusts | 1,063 | [1] |  | $ 1,082
Year 2013 [Member] |  |  |  |
Nuclear Plant Decommissioning And Funding [Line Items] |  |  |  |
Authorized Annuial Recovery Amount, Nuclear Decommissioning Trust Funding |  |  | $ 55 |
Amount Pending IRS Clarification |  |  | 18 |
Year 2013 [Member] | San Diego Gas and Electric Company [Member] |  |  |  |
Nuclear Plant Decommissioning And Funding [Line Items] |  |  |  |
Authorized Annuial Recovery Amount, Nuclear Decommissioning Trust Funding |  |  | 55 |
Amount Pending IRS Clarification |  |  | $ 18 |
Year 2014 [Member] |  |  |  |
Nuclear Plant Decommissioning And Funding [Line Items] |  |  |  |
Authorized Annuial Recovery Amount, Nuclear Decommissioning Trust Funding | 36 |  |  |
Amount Pending IRS Clarification | 13 |  |  |
Year 2014 [Member] | San Diego Gas and Electric Company [Member] |  |  |  |
Nuclear Plant Decommissioning And Funding [Line Items] |  |  |  |
Authorized Annuial Recovery Amount, Nuclear Decommissioning Trust Funding | 36 |  |  |
Amount Pending IRS Clarification | $ 13 |  |  |
[1] | Derived from audited financial statements.

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- Definition Decommission fund to pay for the costs of decontaminating and decommissioning of facilities through collection of revenues derived from utility assessments and government appropriations. Decommission fund investment for the process whereby a power station, at the end of its economic life, is taken permanently out of service and its site made available for other purposes. In the case of a nuclear station this comprises three different states of clearance. Immediately after the final closure, radioactive material such as nuclear fuel and operational waste is removed and the buildings surrounding the reactor shield are dismantled and finally the reactor itself is dismantled. + 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 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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