v3.6.0.2

INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | $ 2,080 | $ 2,889 |
Income (Loss) from Equity Method Investments | 6 | 104 | $ 81
Cameron LNG Holdings [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Difference between carrying amount of equity method investment and underlying equity | 190 | 143 |
Rockies Express [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Difference between carrying amount of equity method investment and underlying equity |  | (357) |
R B S Sempra Commodities [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 67 | 67 |
Energia Sierra Juarez Wind Project [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Difference between carrying amount of equity method investment and underlying equity | 12 | 12 |
GdC [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Difference between carrying amount of equity method investment and underlying equity |  | 65 |
Other Equity Method Investments [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 17 | 16 |
Income (loss) from equity method investment earnings (losses) net of tax | 78 | 85 | 38
Other Equity Method Investments And Other Investments [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 2,097 | 2,905 |
Sempra Renewables [Member] | California Solar Partnership [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 113 | 120 |
Income (Loss) from Equity Method Investments | 7 | 6 | 6
Sempra Renewables [Member] | Copper Mountain Solar 3 [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 42 | 44 |
Income (Loss) from Equity Method Investments | 8 | 8 | 2
Sempra Renewables [Member] | Broken Bow 2 Wind [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 35 | 41 |
Income (Loss) from Equity Method Investments | (2) | (2) | 0
Sempra Renewables [Member] | Cedar Creek 2 Wind Farm [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 75 | 75 |
Income (Loss) from Equity Method Investments | (2) | (6) | (3)
Sempra Renewables [Member] | Flat Ridge 2 Wind Farm [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 271 | 275 |
Income (Loss) from Equity Method Investments | (7) | (12) | (7)
Sempra Renewables [Member] | Fowler Ridge 2 Wind Farm [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 43 | 46 |
Income (Loss) from Equity Method Investments | 4 | 4 | 2
Sempra Renewables [Member] | Mehoopany Wind Farm [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 92 | 92 |
Income (Loss) from Equity Method Investments | 0 | (1) | (1)
Sempra Renewables [Member] | Copper Mountain Solar 2 [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 33 | 32 |
Income (Loss) from Equity Method Investments | 6 | 7 | 3
Sempra Renewables [Member] | Mesquite Solar 1 [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 86 | 86 |
Income (Loss) from Equity Method Investments | 17 | 16 | 14
Sempra Renewables [Member] | Auwahi Wind [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 41 | 44 |
Income (Loss) from Equity Method Investments | 4 | 4 | 4
Sempra Renewables [Member] | Other Equity Method Investments [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 13 | 0 |
Income (Loss) from Equity Method Investments | (1) | 0 | 0
Sempra LNG & MIdstream [Member] | Cameron LNG Holdings [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 997 | 983 |
Income (Loss) from Equity Method Investments | (2) | 5 | 2
Sempra LNG & MIdstream [Member] | Rockies Express [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 0 | 477 |
Income (Loss) from Equity Method Investments | (26) | 79 | 60
Sempra Energy and Other [Member] | R B S Sempra Commodities [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 67 | 67 |
Income (Loss) from Equity Method Investments | 0 | (4) | (2)
Sempra Energy and Other [Member] | Other Equity Method Investments [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments | 0 | 0 | 1
Sempra South American Utilities [Member] | Eletrans [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | (8) | (12) |
Income (loss) from equity method investment earnings (losses) net of tax | 3 | (4) | (4)
Sempra Mexico [Member] | Ductos Energéticos del Norte [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 42 | 0 |
Income (loss) from equity method investment earnings (losses) net of tax | 5 | 0 | 0
Sempra Mexico [Member] | Energia Sierra Juarez Wind Project [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 38 | 30 |
Income (loss) from equity method investment earnings (losses) net of tax | 6 | 6 | 3
Sempra Mexico [Member] | GdC [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | 0 | 489 |
Income (loss) from equity method investment earnings (losses) net of tax | 64 | 83 | $ 39
Sempra Mexico [Member] | Infraestructura Marina del Golfo [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method and Other Investments | $ 100 | $ 0 |

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