v3.4.0.3

COMMITMENTS AND CONTINGENCIES - OTHER LITIGATION (Details) £ in Millions, $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2016 USD ($) | Oct. 01, 2015 GBP (£) | Oct. 01, 2014 GBP (£)
Wind Farm [Member] | San Diego Gas and Electric Company [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Estimated Tax Equity Investment | $ 285 |  |
So Cal Gas PCB Litigation [Member] | Southern California Gas Company [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Number Of Lawsuits | 7 |  |
Number of Lawsuits Settled | 6 |  |
Mobile Gas Litigation [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Number Of Lawsuits | 14 |  |
Number of Lawsuits Settled | 11 |  |
Loss Contingency Number Of Plaintiffs | 250 |  |
HMRC VAT Claim [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
VAT Tax Claim Paid Upon Appeal | £ |  | £ 156 | £ 86
Investment in RBS Sempra Commodities LLP | $ 67 |  |

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