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SEGMENT INFORMATION
 9 Months Ended
Sep. 30, 2021
Segment Reporting [Abstract]  
SEGMENT INFORMATION SEGMENT INFORMATION
We have five 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 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.
▪Sempra LNG develops, builds, operates and invests in natural gas liquefaction export facilities, including natural gas pipelines and infrastructure, and buys, sells and transports natural gas through its marketing operations, all within North America.
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. The California Utilities operate in essentially separate service territories, under separate regulatory frameworks and rate structures set by the CPUC and, for SDG&E, the FERC. We describe the accounting policies of all of our segments in Note 1 of the Notes to Consolidated Financial Statements in the Annual Report.
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 and include certain nominal amounts from our South American businesses that did not qualify for treatment as discontinued operations.
SEGMENT INFORMATION   
(Dollars in millions)   
 Three months ended September 30,Nine months ended September 30,
 2021202020212020
REVENUES    
SDG&E$1,464 $1,472 $4,119 $3,976 
SoCalGas1,106 842 3,738 3,247 
Sempra Mexico597 351 1,368 935 
Sempra LNG 119 63 367 255 
All other2 — 4 1 
Adjustments and eliminations— 2 (1)— 
Intersegment revenues(1)
(275)(86)(582)(215)
Total$3,013 $2,644 $9,013 $8,199 
INTEREST EXPENSE    
SDG&E$104 $103 $307 $307 
SoCalGas39 39 118 119 
Sempra Mexico43 31 122 95 
Sempra LNG4 8 10 39 
All other77 93 240 304 
Intercompany eliminations(8)(10)(21)(46)
Total$259 $264 $776 $818 
INTEREST INCOME    
SDG&E$— $1 $1 $2 
SoCalGas— — — 2 
Sempra Mexico12 14 36 47 
Sempra LNG6 25 23 65 
All other1 — 2 3 
Intercompany eliminations(3)(13)(12)(43)
Total$16 $27 $50 $76 
DEPRECIATION AND AMORTIZATION  
SDG&E$226 $200 $659 $598 
SoCalGas180 165 533 486 
Sempra Mexico60 47 168 141 
Sempra LNG 3 2 8 7 
All other2 4 8 10 
Total$471 $418 $1,376 $1,242 
INCOME TAX EXPENSE (BENEFIT)   
SDG&E$90 $33 $168 $161 
SoCalGas(437)(6)(335)95 
Sempra Mexico24 92 145 (161)
Sempra LNG (11)18 19 59 
All other(8)(38)(42)(94)
Total$(342)$99 $(45)$60 
EQUITY EARNINGS (LOSSES)    
Equity earnings (losses), before income tax:    
Sempra Texas Utilities$— $1 $3 $1 
Sempra LNG 137 116 404 257 
All other— — 50 (100)
137 117 457 158 
Equity earnings, net of income tax:   
Sempra Texas Utilities207 208 480 457 
Sempra Mexico47 1 85 207 
254 209 565 664 
Total$391 $326 $1,022 $822 
SEGMENT INFORMATION (CONTINUED)
(Dollars in millions)
Three months ended
September 30,		Nine months ended
September 30,
2021202020212020
EARNINGS (LOSSES) ATTRIBUTABLE TO COMMON SHARES 
SDG&E$205 $178 $603 $633 
SoCalGas(1,126)(24)(625)425 
Sempra Texas Utilities206 209 479 458 
Sempra Mexico164 50 225 302 
Sempra LNG 1 71 194 207 
Discontinued operations— (7)— 1,840 
All other(98)(126)(226)(515)
Total$(648)$351 $650 $3,350 
EXPENDITURES FOR PROPERTY, PLANT & EQUIPMENT
SDG&E$1,560 $1,323 
SoCalGas1,417 1,345 
Sempra Mexico260 443 
Sempra LNG 362 196 
All other7 6 
Total$3,606 $3,313 
September 30,
2021		December 31,
2020
ASSETS
SDG&E$23,783 $22,311 
SoCalGas19,919 18,460 
Sempra Texas Utilities12,580 12,542 
Sempra Mexico11,339 10,752 
Sempra LNG 3,335 2,205 
All other1,094 1,209 
Intersegment receivables(1,578)(856)
Total$70,472 $66,623 
EQUITY METHOD AND OTHER INVESTMENTS
Sempra Texas Utilities$12,580 $12,542 
Sempra Mexico924 852 
Sempra LNG454 433 
All other— 1 
Total$13,958 $13,828 
(1)    Revenues for reportable segments include intersegment revenues of $3 million, $24 million, $52 million and $196 million for the three months ended September 30, 2021; $7 million, $72 million, $114 million and $389 million for the nine months ended September 30, 2021; $1 million, $23 million, $18 million and $44 million for the three months ended September 30, 2020 and $4 million, $61 million, $69 million and $81 million for the nine months ended September 30, 2020 for SDG&E, SoCalGas, Sempra Mexico and Sempra LNG, respectively.