v3.8.0.1

GENERAL INFORMATION AND OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 09, 2018 | Mar. 31, 2018 USD ($) MW | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($)
Variable Interest Entities [Line Items] |  |  |  |  |  |
Equity method investment |  | $ 9,176 |  |  | $ 0 | [1]
Property, plant and equipment, net |  | 37,025 |  |  | 36,503 | [1]
Other noncontrolling interests |  | 2,441 |  |  | 2,450 | [1]
Energy-related businesses |  | 364 | $ 333 | [2] |  |
Operation and maintenance |  | (781) | (719) | [2] |  |
Depreciation and amortization |  | (386) | (360) | [2],[3] |  |
Interest expense |  | (216) | (169) | [2] |  |
Income before income taxes |  | 667 | 752 | [2] |  |
Income tax expense |  | (289) | (295) | [2] |  |
(Losses) income before income taxes/Net (loss) income |  | 358 | 452 | [2],[3] |  |
Losses (earnings) attributable to noncontrolling interest |  | 17 | (11) | [2] |  |
Earnings attributable to common shares |  | 347 | 441 |  |  |
Otay Mesa VIE [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Property, plant and equipment, net |  | 316 |  |  | 321 |
Sempra Renewables [Member] | Tax Equity Investors [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Property, plant and equipment, net |  | 1,412 |  |  | 1,412 |
Equity |  | 607 |  |  | 631 |
Energy-related businesses |  | 17 | 13 |  |  |
Operation and maintenance |  | (4) | (2) |  |  |
Depreciation and amortization |  | (11) | (8) |  |  |
Income before income taxes |  | 2 | 3 |  |  |
Income tax expense |  | (5) | (2) |  |  |
(Losses) income before income taxes/Net (loss) income |  | (3) | 1 |  |  |
Losses (earnings) attributable to noncontrolling interest |  | 21 | 3 |  |  |
Earnings attributable to common shares |  | 18 | 4 |  |  |
Sempra Natural Gas [Member] | Cameron LNG Holdings [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Equity method investment |  | 1,085 |  |  | 997 |
Sempra Texas Utility [Member] | Oncor Holdings [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Equity method investment |  | 9,176 |  |  |  |
San Diego Gas and Electric Company [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Property, plant and equipment, net |  | 15,062 |  |  | 14,838 | [1]
Other noncontrolling interests |  | 30 |  |  | 28 | [1]
Operation and maintenance |  | 248 | 231 | [2] |  |
Depreciation and amortization |  | 166 | 163 | [2],[3] |  |
Operating income |  | 248 | 274 | [2] |  |
Interest expense |  | (52) | (49) | [2] |  |
Income before income taxes |  | 225 | 247 | [2] |  |
Income tax expense |  | (56) | (90) | [2] |  |
(Losses) income before income taxes/Net (loss) income |  | 169 | 157 | [2],[3] |  |
Losses (earnings) attributable to noncontrolling interest |  | $ 1 | (2) | [2] |  |
San Diego Gas and Electric Company [Member] | Otay Mesa VIE [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Generating capacity (in mw) | MW |  | 605 |  |  |  |
Conditional purchase obligation |  | $ 280 |  |  |  |
Equity of variable interest entity |  | 30 |  |  | 28 |
Secured debt of variable interest entity |  | 292 |  |  |  |
Property, plant and equipment, net |  | 316 |  |  | $ 321 |
Cost of electric fuel and purchased power |  | (16) | (18) |  |  |
Operation and maintenance |  | 4 | 4 |  |  |
Depreciation and amortization |  | 8 | 7 |  |  |
Total operating expenses |  | (4) | (7) |  |  |
Operating income |  | 4 | 7 |  |  |
Interest expense |  | (5) | (5) |  |  |
(Losses) income before income taxes/Net (loss) income |  | (1) | 2 |  |  |
Losses (earnings) attributable to noncontrolling interest |  | 1 | (2) |  |  |
Earnings attributable to common shares |  | $ 0 | $ 0 |  |  |
Oncor Holdings [Member] | Sempra Texas Holdings Corp [Member] | Sempra Texas Intermediate Holding Company LLC [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Ownership percentage in consolidated entity | 100.00% |  |  |  |  |
Oncor Electric Delivery Company LLC. [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Acquired percentage interest | 80.25% |  |  |  |  |
Oncor Electric Delivery Company LLC. [Member] | Sempra Texas Holdings Corp [Member] |  |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |  |
Acquired percentage interest | 80.03% |  |  |  |  |
[1] | Derived from audited financial statements.
[2] | As adjusted for the retrospective adoption of ASU 2017-07, which we discuss in Note 2, and a reclassification to conform to current year presentation, which we discuss in Note 1.
[3] | As adjusted for the retrospective adoption of ASU 2016-18, which we discuss in Note 2.

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