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SEGMENT INFORMATION
 9 Months Ended
Sep. 30, 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 L.P., which owns Sharyland Utilities, L.L.C., 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 September 30, 2022.
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.
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 Condensed Consolidated Statements of Operations and Condensed Consolidated Balance Sheets. Amounts labeled as “All other” in the following tables consist primarily of activities of parent organizations.
SEGMENT INFORMATION   
(Dollars in millions)   
 Three months ended
September 30,		Nine months ended
September 30,
 2022202120222021
REVENUES    
SDG&E$1,569 $1,464 $4,413 $4,119 
SoCalGas1,385 1,106 4,879 3,738 
Sempra Infrastructure697 479 1,810 1,269 
All other1 2 1 4 
Adjustments and eliminations— — — (1)
Intersegment revenues(1)
(35)(38)(119)(116)
Total$3,617 $3,013 $10,984 $9,013 
DEPRECIATION AND AMORTIZATION  
SDG&E$247 $226 $730 $659 
SoCalGas190 180 565 533 
Sempra Infrastructure67 63 199 176 
All other2 2 6 8 
Total$506 $471 $1,500 $1,376 
INTEREST INCOME    
SDG&E$2 $— $3 $1 
SoCalGas3 — 4 — 
Sempra Infrastructure7 18 37 59 
All other6 — 14 1 
Intercompany eliminations— (2)— (11)
Total$18 $16 $58 $50 
INTEREST EXPENSE    
SDG&E$113 $104 $333 $307 
SoCalGas50 39 135 118 
Sempra Infrastructure39 45 98 131 
All other81 78 232 240 
Intercompany eliminations(1)(7)(2)(20)
Total$282 $259 $796 $776 
INCOME TAX EXPENSE (BENEFIT)   
SDG&E$35 $90 $141 $168 
SoCalGas(28)(437)75 (335)
Sempra Texas Utilities1 — 1 — 
Sempra Infrastructure58 13 219 164 
All other(45)(8)(1)(42)
Total$21 $(342)$435 $(45)
EQUITY EARNINGS    
Equity earnings, before income tax:    
Sempra Texas Utilities$1 $— $6 $3 
Sempra Infrastructure 133 137 430 404 
All other— — — 50 
134 137 436 457 
Equity earnings, net of income tax:   
Sempra Texas Utilities257 207 603 480 
Sempra Infrastructure26 47 79 85 
283 254 682 565 
Total$417 $391 $1,118 $1,022 
(1)    Revenues for reportable segments include intersegment revenues of $4, $24, and $7 for the three months ended September 30, 2022; $11 $73, and $35 for the nine months ended September 30, 2022; $3, $24, and $11 for the three months ended September 30, 2021 and $7, $72, and $37 for the nine months ended September 30, 2021 for SDG&E, SoCalGas, and Sempra Infrastructure, respectively.
SEGMENT INFORMATION (CONTINUED)
(Dollars in millions)
Three months ended
September 30,		Nine months ended
September 30,
2022202120222021
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES 
SDG&E$271 $205 $681 $603 
SoCalGas(82)(1,126)339 (625)
Sempra Texas Utilities256 206 604 479 
Sempra Infrastructure
114 164 392 419 
All other(74)(97)(360)(226)
Total$485 $(648)$1,656 $650 
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT
SDG&E$1,651 $1,560 
SoCalGas1,394 1,417 
Sempra Infrastructure489 622 
All other6 7 
Total$3,540 $3,606 
September 30,
2022		December 31,
2021
ASSETS
SDG&E$25,759 $24,058 
SoCalGas21,325 20,324 
Sempra Texas Utilities13,664 13,047 
Sempra Infrastructure14,490 14,408 
All other1,363 1,399 
Intersegment receivables(1,038)(1,191)
Total$75,563 $72,045 
EQUITY METHOD AND OTHER INVESTMENTS
Sempra Texas Utilities$13,664 $13,047 
Sempra Infrastructure1,770 1,425 
Total$15,434 $14,472