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SEGMENT INFORMATION
 12 Months Ended
Dec. 31, 2021
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 an 80% 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, 2021.
In April 2019, Sempra Renewables completed the sale of its remaining wind assets and investments. Upon completion of this sale, remaining nominal business activities at Sempra Renewables were subsumed into Parent and other and the Sempra Renewables segment ceased to exist. The tables below include amounts from Sempra Renewables up until cessation of the segment.
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,
 202120202019
REVENUES     
SDG&E$5,504 $5,313 $4,925 
SoCalGas5,515 4,748 4,525 
Sempra Infrastructure1,997 1,400 1,454 
Sempra Renewables— — 10 
All other5 2 3 
Adjustments and eliminations(1)(3)(3)
Intersegment revenues(1)
(163)(90)(85)
Total$12,857 $11,370 $10,829 
DEPRECIATION AND AMORTIZATION     
SDG&E$889 $801 $760 
SoCalGas716 654 602 
Sempra Infrastructure239 198 193 
All other11 13 14 
Total$1,855 $1,666 $1,569 
INTEREST INCOME     
SDG&E$1 $2 $4 
SoCalGas1  2  2 
Sempra Infrastructure75  141  139 
Sempra Renewables—  —  11 
All other3  7  4 
Intercompany eliminations(11) (56) (73)
Total$69  $96  $87 
INTEREST EXPENSE     
SDG&E$412  $413  $411 
SoCalGas157  158  141 
Sempra Infrastructure205  174  155 
Sempra Renewables—  —  3 
All other444  390  450 
Intercompany eliminations(20) (54) (83)
Total$1,198  $1,081  $1,077 
INCOME TAX EXPENSE (BENEFIT)     
SDG&E$201  $190  $171 
SoCalGas(310) 96  120 
Sempra Texas Utilities— 1 — 
Sempra Infrastructure238  149  222 
Sempra Renewables—  —  4 
All other(30) (187) (202)
Total$99  $249  $315 
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES   
SDG&E$819 $824 $767 
SoCalGas(427)504 641 
Sempra Texas Utilities616 579 528 
Sempra Infrastructure682 580 247 
Sempra Renewables— — 59 
Discontinued operations— 1,840 328 
All other(436)(563)(515)
Total$1,254 $3,764 $2,055 
SEGMENT INFORMATION (CONTINUED)
(Dollars in millions)
Years ended December 31 or at December 31,
 202120202019
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT   
SDG&E$2,220 $1,942 $1,522 
SoCalGas1,984 1,843 1,439 
Sempra Infrastructure802 879 736 
Sempra Renewables— — 2 
All other9 12 9 
Total$5,015 $4,676 $3,708 
ASSETS   
SDG&E$24,058 $22,311 $20,560 
SoCalGas20,324 18,460 17,077 
Sempra Texas Utilities13,047 12,542 11,619 
Sempra Infrastructure14,408 12,772 13,660 
Discontinued operations— — 3,958 
All other1,399 1,215 763 
Intersegment receivables(1,191)(677)(1,972)
Total$72,045 $66,623 $65,665 
GEOGRAPHIC INFORMATION
Long-lived assets(2):
United States$50,657 $46,902 $43,719 
Mexico$7,708 $6,929 $6,355 
 Asia 1 — — 
Total$58,366 $53,831 $50,074 
Revenues(3):
   
United States$11,154 $10,205 $9,574 
Mexico1,703 1,165 1,255 
Total$12,857 $11,370 $10,829 
(1)Revenues for reportable segments include intersegment revenues of $10, $98, and $55 for 2021; $5, $88, and $(3) for 2020; and $5, $69, and $11 for 2019 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.