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SEGMENT INFORMATION
 12 Months Ended
Dec. 31, 2015
Notes to Consolidated Financial Statements [Abstract]  
Segment Information

NOTE 16. 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 transmission pipelines and propane and ethane systems, a natural gas distribution utility, electric generation facilities (including wind), a terminal for the import of LNG, and marketing operations for the purchase of LNG and the purchase and sale of natural gas in Mexico.
  • Sempra Renewables develops, owns and operates, or holds interests in, wind and solar energy projects in Arizona, California, Colorado, Hawaii, Indiana, Kansas, Minnesota, Nebraska, Nevada and Pennsylvania to serve wholesale electricity markets in the United States.
  • Sempra Natural Gas develops, owns and operates, or holds interests in, natural gas pipelines and storage facilities, natural gas distribution utilities and a terminal for the import and export of LNG and sale of natural gas, all within the United States. Sempra Natural Gas 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, as we discuss in Note 3.

Sempra South American Utilities and Sempra Mexico comprise our Sempra International operating unit. Sempra Renewables and Sempra Natural Gas comprise our Sempra U.S. Gas & Power operating unit.

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,
201520142013
REVENUES
SDG&E$4,21941%$4,32939%$4,06639%
SoCalGas3,489343,855353,73635
Sempra South American Utilities1,544151,534141,49514
Sempra Mexico669781886756
Sempra Renewables36―35―821
Sempra Natural Gas653697999089
Adjustments and eliminations(2)―(3)―(2)―
Intersegment revenues(1)(377)(3)(512)(5)(403)(4)
Total$10,231100%$11,035100%$10,557100%
INTEREST EXPENSE
SDG&E$204$202$197
SoCalGas846969
Sempra South American Utilities323327
Sempra Mexico231717
Sempra Renewables3523
Sempra Natural Gas72111116
All other263241241
Intercompany eliminations(120)(124)(131)
Total$561$554$559
INTEREST INCOME
SDG&E$―$―$1
SoCalGas4――
Sempra South American Utilities191414
Sempra Mexico742
Sempra Renewables4120
Sempra Natural Gas7511588
All other―1―
Intercompany eliminations(80)(113)(105)
Total$29$22$20
DEPRECIATION AND AMORTIZATION
SDG&E$60448%$53046%$49444%
SoCalGas461374313738335
Sempra South American Utilities504555595
Sempra Mexico706646636
Sempra Renewables6―5―212
Sempra Natural Gas494615817
All other101101121
Total$1,250100%$1,156100%$1,113100%
INCOME TAX EXPENSE (BENEFIT)
SDG&E$284$270$191
SoCalGas138139116
Sempra South American Utilities675867
Sempra Mexico11560
Sempra Renewables(49)(44)(19)
Sempra Natural Gas28(20)40
All other(138)(108)(89)
Total$341$300$366

SEGMENT INFORMATION (CONTINUED)
(Dollars in millions)
At December 31 or for the years ended December 31,
201520142013
EARNINGS (LOSSES)
SDG&E(2)$58743%$50744%$40441%
SoCalGas(3)419313322936437
Sempra South American Utilities175131721515315
Sempra Mexico213161921612212
Sempra Renewables635817626
Sempra Natural Gas443504646
All other(152)(11)(173)(15)(168)(17)
Total$1,349100%$1,161100%$1,001100%
ASSETS(4)
SDG&E$16,51540%$16,26041%$15,33741%
SoCalGas12,1042910,446269,13825
Sempra South American Utilities3,23583,37993,53110
Sempra Mexico3,78393,48693,2439
Sempra Renewables1,44141,33431,2143
Sempra Natural Gas5,566136,435167,19919
All other734287228172
Intersegment receivables(2,228)(5)(2,561)(6)(3,314)(9)
Total$41,150100%$39,651100%$37,165100%
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT
SDG&E$1,13336%$1,10035%$97838%
SoCalGas1,352431,1043576230
Sempra South American Utilities154517462008
Sempra Mexico302103251037114
Sempra Renewables81219061767
Sempra Natural Gas8732127833
All other4711812―
Total$3,156100%$3,123100%$2,572100%
GEOGRAPHIC INFORMATION
Long-lived assets(5):
United States$26,13284%$24,18384%$22,65484%
Mexico3,160102,821102,5979
South America1,65261,74661,7847
Total$30,944100%$28,750100%$27,035100%
Revenues(6):
United States$8,11979%$8,77479%$8,47880%
South America1,544151,534141,49514
Mexico568672775846
Total$10,231100%$11,035100%$10,557100%
(1)Revenues for reportable segments include intersegment revenues of $9 million, $75 million, $101 million, and $192 million for 2015, $10 million, $69 million, $91 million and $342 million for 2014, and $10 million, $70 million, $91 million and $232 million for 2013 for SDG&E, SoCalGas, Sempra Mexico and Sempra Natural Gas, respectively.
(2)For 2013, amount is after preferred dividends and call premium on preferred stock.
(3)After preferred dividends.
(4)December 31, 2014 and 2013 have been adjusted for the retrospective adoption of ASU 2015-03.
(5)Includes net property, plant and equipment and investments.
(6)Amounts are based on where the revenue originated, after intercompany eliminations.