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SEGMENT INFORMATION
 12 Months Ended
Dec. 31, 2022
Segment Reporting [Abstract]  
Segment Information SEGMENT INFORMATION
We have four 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 Texas Utilities holds our investment in Oncor Holdings, which owns an 80.25% interest in Oncor, a regulated electric transmission and distribution utility serving customers in the north-central, eastern, western and panhandle regions of Texas; and our indirect, 50% interest in Sharyland Holdings, which owns Sharyland Utilities, a regulated electric transmission utility serving customers near the Texas-Mexico border.
▪Sempra Infrastructure includes the operating companies of our subsidiary, SI Partners, as well as a holding company and certain services companies. Sempra Infrastructure develops, builds, operates and invests in energy infrastructure to help enable the energy transition in North American markets and globally. Sempra Infrastructure owns a 70% interest in SI Partners, which held a 100% ownership interest in Sempra LNG Holding, LP and a 99.9% ownership interest in IEnova at December 31, 2022.
As we discuss in Note 5, the financial information related to our businesses that constituted the Sempra South American Utilities segment is presented as discontinued operations for all periods presented. The information in the tables below excludes amounts from discontinued operations unless otherwise noted. We completed the sales of our discontinued operations in the second quarter of 2020.
We evaluate each segment’s performance based on its contribution to Sempra’s reported earnings and cash flows. SDG&E and SoCalGas operate in essentially separate service territories, under separate regulatory frameworks and rate structures set by the CPUC and, in the case of SDG&E, the FERC. We describe the accounting policies of all of our segments in Note 1.
The cost of common services shared by the business segments is 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 6. Amounts labeled as “All other” in the following tables consist primarily of activities of parent organizations and include certain nominal amounts from our South American businesses that did not qualify for treatment as discontinued operations.
SEGMENT INFORMATION
(Dollars in millions)
 Years ended December 31,
 202220212020
REVENUES     
SDG&E$5,838 $5,504 $5,313 
SoCalGas6,840 5,515 4,748 
Sempra Infrastructure1,919 1,997 1,400 
All other1 5 2 
Adjustments and eliminations(1)(1)(3)
Intersegment revenues(1)
(158)(163)(90)
Total$14,439 $12,857 $11,370 
DEPRECIATION AND AMORTIZATION     
SDG&E$982 $889 $801 
SoCalGas761 716 654 
Sempra Infrastructure268 239 198 
All other8 11 13 
Total$2,019 $1,855 $1,666 
INTEREST INCOME     
SDG&E$5 $1 $2 
SoCalGas6  1  2 
Sempra Infrastructure44  75  141 
All other20  3  7 
Intercompany eliminations—  (11) (56)
Total$75  $69  $96 
INTEREST EXPENSE     
SDG&E$449  $412  $413 
SoCalGas198  157  158 
Sempra Infrastructure104  205  174 
All other306  444  390 
Intercompany eliminations(3) (20) (54)
Total$1,054  $1,198  $1,081 
INCOME TAX EXPENSE (BENEFIT)     
SDG&E$182  $201  $190 
SoCalGas138  (310) 96 
Sempra Texas Utilities— — 1 
Sempra Infrastructure249  238  149 
All other(13) (30) (187)
Total$556  $99  $249 
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES   
SDG&E$915 $819 $824 
SoCalGas599 (427)504 
Sempra Texas Utilities736 616 579 
Sempra Infrastructure310 682 580 
Discontinued operations— — 1,840 
All other(466)(436)(563)
Total$2,094 $1,254 $3,764 
SEGMENT INFORMATION (CONTINUED)
(Dollars in millions)
Years ended December 31,
 202220212020
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT   
SDG&E$2,473 $2,220 $1,942 
SoCalGas1,993 1,984 1,843 
Sempra Infrastructure884 802 879 
All other7 9 12 
Total$5,357 $5,015 $4,676 
GEOGRAPHIC INFORMATION
Long-lived assets(2):
United States$55,035 $50,657 $46,902 
Mexico8,423 7,708 6,929 
 Asia 1 1 — 
Total$63,459 $58,366 $53,831 
Revenues(3):
   
United States$13,015 $11,154 $10,205 
Mexico1,424 1,703 1,165 
Total$14,439 $12,857 $11,370 
December 31,
20222021
ASSETS
SDG&E$26,422 $24,058 
SoCalGas22,346 20,324 
Sempra Texas Utilities13,781 13,047 
Sempra Infrastructure15,760 14,408 
All other1,376 1,399 
Intersegment receivables(1,111)(1,191)
Total$78,574 $72,045 
(1)Revenues for reportable segments include intersegment revenues of $15, $100, and $43 for 2022; $10, $98, and $55 for 2021; and $5, $88, and $(3) for 2020 for SDG&E, SoCalGas, and Sempra Infrastructure, respectively.
(2)Includes net PP&E and investments.
(3)Amounts are based on where the revenue originated, after intercompany eliminations.