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SEGMENT INFORMATION
 12 Months Ended
Dec. 31, 2017
Segment Reporting [Abstract]  
Segment Information
SEGMENT INFORMATION
We have six separately managed reportable segments, as follows:
▪
SDG&E provides electric service to San Diego and southern Orange counties and natural gas service to San Diego County.
▪
SoCalGas is a natural gas distribution utility, serving customers throughout most of Southern California and part of central California.
▪
Sempra South American Utilities develops, owns and operates, or holds interests in, electric transmission, distribution and generation infrastructure in Chile and Peru.
▪
Sempra Mexico develops, owns and operates, or holds interests in, natural gas, electric, LNG, LPG, ethane and liquid fuels infrastructure, and has marketing operations for the purchase of LNG and the purchase and sale of natural gas in Mexico. In February 2016, management approved a plan to market and sell the TdM natural gas-fired power plant located in Mexicali, Baja California, as we discuss in Note 3.
▪
Sempra Renewables develops, owns and operates, or holds interests in, wind and solar energy generation facilities serving wholesale electricity markets in the U.S.
▪
Sempra LNG & Midstream develops, owns and operates, or holds interests in, a terminal for the import and export of LNG and sale of natural gas, and natural gas pipelines, storage facilities and marketing operations, all within the U.S. In September 2016, Sempra LNG & Midstream sold EnergySouth, the parent company of Mobile Gas and Willmut Gas, and in May 2016, sold its 25-percent interest in Rockies Express. Sempra LNG & Midstream also owned and operated the Mesquite Power plant, a natural gas-fired electric generation asset, the remaining 625-MW block of which was sold in April 2015. We discuss these divestitures in Note 3.
We evaluate each segment’s performance based on its contribution to Sempra Energy’s reported earnings. The California Utilities operate in essentially separate service territories, under separate regulatory frameworks and rate structures set by the CPUC. The California Utilities’ operations are based on rates set by the CPUC and the FERC. We describe the accounting policies of all of our segments in Note 1.
Common services shared by the business segments are assigned directly or allocated based on various cost factors, depending on the nature of the service provided. Interest income and expense is recorded on intercompany loans. The loan balances and related interest are eliminated in consolidation.
The following tables show selected information by segment from our Consolidated Statements of Operations and Consolidated Balance Sheets. We provide information about our equity method investments by segment in Note 4. Amounts labeled as “All other” in the following tables consist primarily of parent organizations.
SEGMENT INFORMATION
 
 
 
 
 
(Dollars in millions)
 
 
 
 
 
 
Years ended December 31,
 
2017
 
2016
 
2015
REVENUES
 
 
 
 
 
SDG&E
$
4,476

 
$
4,253


$
4,219

SoCalGas
3,785

 
3,471


3,489

Sempra South American Utilities
1,567

 
1,556


1,544

Sempra Mexico
1,196

 
725


669

Sempra Renewables
94

 
34


36

Sempra LNG & Midstream
540

 
508


653

Adjustments and eliminations
(1
)
 
—


(2
)
Intersegment revenues(1)
(450
)
 
(364
)

(377
)
Total
$
11,207

 
$
10,183


$
10,231

INTEREST EXPENSE
 

 
 

 
 

SDG&E
$
203

 
$
195

 
$
204

SoCalGas
102

 
97

 
84

Sempra South American Utilities
38

 
38

 
32

Sempra Mexico
97

 
13

 
23

Sempra Renewables
15

 
4

 
3

Sempra LNG & Midstream
39

 
43

 
72

All other
284

 
282

 
263

Intercompany eliminations
(119
)
 
(119
)
 
(120
)
Total
$
659

 
$
553

 
$
561

INTEREST INCOME
 

 
 

 
 

SoCalGas
$
1

 
$
1

 
$
4

Sempra South American Utilities
28

 
21

 
19

Sempra Mexico
23

 
6

 
7

Sempra Renewables
7

 
5

 
4

Sempra LNG & Midstream
56

 
71

 
75

Intercompany eliminations
(69
)
 
(78
)
 
(80
)
Total
$
46

 
$
26

 
$
29

DEPRECIATION AND AMORTIZATION
 

 
 

 
 

SDG&E
$
670

 
$
646

 
$
604

SoCalGas
515

 
476

 
461

Sempra South American Utilities
54

 
49

 
50

Sempra Mexico
156

 
77

 
70

Sempra Renewables
38

 
6

 
6

Sempra LNG & Midstream
42

 
47

 
49

All other
15

 
11

 
10

Total
$
1,490

 
$
1,312

 
$
1,250

INCOME TAX EXPENSE (BENEFIT)
 

 
 

 
 

SDG&E
$
155

 
$
280

 
$
284

SoCalGas
160

 
143

 
138

Sempra South American Utilities
80

 
80

 
67

Sempra Mexico
227

 
188

 
11

Sempra Renewables
(226
)
 
(38
)
 
(49
)
Sempra LNG & Midstream
(119
)
 
(80
)
 
28

All other
999

 
(184
)
 
(138
)
Total
$
1,276

 
$
389

 
$
341

SEGMENT INFORMATION (CONTINUED)
(Dollars in millions)
 
Years ended December 31 or at December 31,
 
2017
 
2016
 
2015
EARNINGS (LOSSES)
 
 
 
 
 
SDG&E
$
407

 
$
570

 
$
587

SoCalGas(2)
396

 
349

 
419

Sempra South American Utilities
186

 
156

 
175

Sempra Mexico
169

 
463

 
213

Sempra Renewables
252

 
55

 
63

Sempra LNG & Midstream
150

 
(107
)
 
44

All other
(1,304
)
 
(116
)
 
(152
)
Total
$
256

 
$
1,370

 
$
1,349

ASSETS
 

 
 

 
 

SDG&E
$
17,844

 
$
17,719

 
$
16,515

SoCalGas
14,159

 
13,424

 
12,104

Sempra South American Utilities
4,060

 
3,591

 
3,235

Sempra Mexico
8,554

 
7,542

 
3,783

Sempra Renewables
2,898

 
3,644

 
1,441

Sempra LNG & Midstream
4,872

 
5,564

 
5,566

All other
915

 
475

 
734

Intersegment receivables
(2,848
)
 
(4,173
)
 
(2,228
)
Total
$
50,454

 
$
47,786

 
$
41,150

EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT
 

 
 

 
 

SDG&E
$
1,555

 
$
1,399

 
$
1,133

SoCalGas
1,367

 
1,319

 
1,352

Sempra South American Utilities
244

 
194

 
154

Sempra Mexico
248

 
330

 
302

Sempra Renewables
497

 
835

 
81

Sempra LNG & Midstream
20

 
117

 
87

All other
18

 
20

 
47

Total
$
3,949

 
$
4,214

 
$
3,156

GEOGRAPHIC INFORMATION
 
 
 
 
 
Long-lived assets(3):
 
 
 
 
 
United States
$
31,487








$
28,351

 
$
26,132

Mexico
5,363

 
4,814

 
3,160

South America
2,180

 
1,863

 
1,652

Total
$
39,030

 
$
35,028

 
$
30,944

Revenues(4):
 

 
 

 
 

United States
$
8,547

 
$
8,004

 
$
8,119

South America
1,567

 
1,556

 
1,544

Mexico
1,093

 
623

 
568

Total
$
11,207

 
$
10,183

 
$
10,231

(1) 
Revenues for reportable segments include intersegment revenues of $7 million, $74 million, $103 million and $266 million for 2017, $6 million, $76 million, $102 million and $180 million for 2016, and $9 million, $75 million, $101 million and $192 million for 2015 for SDG&E, SoCalGas, Sempra Mexico and Sempra LNG & Midstream, respectively.
(2) 
After preferred dividends.
(3) 
Includes net PP&E and investments.
(4) 
Amounts are based on where the revenue originated, after intercompany eliminations.