v3.6.0.2

SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - OTHER NONCONTROLLING INTERESTS (Details) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015 | Jan. 01, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Noncontrolling Interest [Line Items] |  |  |  |
Other noncontrolling interests | $ 2,270 | $ 750 |  |
SDG&E [Member] | Otay Mesa VIE [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 100.00% | 100.00% |  |
Other noncontrolling interests | $ 37 | $ 53 |  |
Sempra South American Utilities [Member] | Chilquinta Energia subsidiaries [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Other noncontrolling interests | $ 22 | $ 21 |  |
Sempra South American Utilities [Member] | Chilquinta Energia subsidiaries [Member] | Minimum [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 23.10% | 23.50% |  |
Sempra South American Utilities [Member] | Chilquinta Energia subsidiaries [Member] | Maximum [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 43.40% | 43.40% |  |
Sempra South American Utilities [Member] | Luz Del Sur [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 16.40% | 16.40% |  |
Other noncontrolling interests | $ 173 | $ 164 |  |
Sempra South American Utilities [Member] | Tecsur [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 9.80% | 9.80% |  |
Other noncontrolling interests | $ 4 | $ 4 |  |
Sempra Mexico [Member] | IEnova [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 33.60% | 18.90% | 33.60% | 18.90%
Other noncontrolling interests | $ 1,524 | $ 468 |  |
Sempra Renewables [Member] | Tax equity arrangement – wind [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners |  | 0.00% |  |
Other noncontrolling interests | 92 | $ 0 |  |
Sempra Renewables [Member] | Tax equity arrangement – solar [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners |  | 0.00% |  |
Other noncontrolling interests | $ 376 | $ 0 |  |
Sempra LNG & MIdstream [Member] | Bay Gas Storage Company [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 9.10% | 9.10% |  |
Other noncontrolling interests | $ 27 | $ 25 |  |
Sempra LNG & MIdstream [Member] | Liberty Gas Storage [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 23.30% | 23.20% |  |
Other noncontrolling interests | $ 14 | $ 14 |  |
Sempra LNG & MIdstream [Member] | Southern Gas Transmission [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage held by noncontrolling owners | 49.00% | 49.00% |  |
Other noncontrolling interests | $ 1 | $ 1 |  |

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