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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA (Tables)
 12 Months Ended
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash, Cash Equivalents and Restricted Cash
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported on Sempra’s Consolidated Balance Sheets to the sum of such amounts reported on Sempra’s Consolidated Statements of Cash Flows.
RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH
(Dollars in millions)
December 31,
 20242023
Sempra:
Cash and cash equivalents$1,565 $236 
Restricted cash, current21 49 
Restricted cash, noncurrent3 104 
Total cash, cash equivalents and restricted cash on the Consolidated Statements of Cash Flows$1,589 $389 
Schedule of Accounts Receivable, Allowance for Credit Loss
Changes in allowances for credit losses for trade receivables and other receivables are as follows:
CHANGES IN ALLOWANCES FOR CREDIT LOSSES
(Dollars in millions)
 202420232022
Sempra:   
Allowances for credit losses at January 1$533 $181 $136 
Provisions for expected credit losses203 468 123 
Write-offs(222)(116)(78)
Allowances for credit losses at December 31$514 $533 $181 
SDG&E:   
Allowances for credit losses at January 1$144 $78 $66 
Provisions for expected credit losses52 115 54 
Write-offs(82)(49)(42)
Allowances for credit losses at December 31$114 $144 $78 
SoCalGas:   
Allowances for credit losses at January 1$331 $98 $69 
Provisions for expected credit losses94 300 65 
Write-offs(140)(67)(36)
Allowances for credit losses at December 31$285 $331 $98 
Allowances for credit losses related to trade receivables and other receivables are included in the Consolidated Balance Sheets as follows:
ALLOWANCES FOR CREDIT LOSSES
(Dollars in millions)
 December 31,
 20242023
Sempra:  
Accounts receivable – trade, net
$447 $480 
Accounts receivable – other, net
53 52 
Other long-term assets14 1 
Total allowances for credit losses$514 $533 
SDG&E:  
Accounts receivable – trade, net
$81 $116 
Accounts receivable – other, net
25 27 
Other long-term assets8 1 
Total allowances for credit losses$114 $144 
SoCalGas:  
Accounts receivable – trade, net
$251 $306 
Accounts receivable – other, net
28 25 
Other long-term assets6 — 
Total allowances for credit losses$285 $331 
Schedule of Related Party Transactions
TRANSACTIONS WITH AFFILIATES
We summarize amounts due from and to unconsolidated affiliates at the Registrants in the following table.
AMOUNTS DUE FROM (TO) UNCONSOLIDATED AFFILIATES
(Dollars in millions)
 December 31,
 20242023
Sempra:  
Tax sharing agreement with Oncor Holdings$8 $25 
Various affiliates5 6 
Total due from unconsolidated affiliates – current$13 $31 
TAG Pipelines – 5.5% Note due January 9, 2024(1)
$— $(5)
Total due to unconsolidated affiliates – current$— $(5)
TAG Pipelines(1):
5.5% Note due January 14, 2025
$— $(24)
5.5% Note due July 16, 2025
— (23)
5.5% Note due January 14, 2026
(8)(20)
5.5% Note due July 14, 2026
(12)(11)
5.5% Note due January 19, 2027
(15)(14)
5.5% Note due July 21, 2027
(19)(17)
5.5% Note due January 19, 2028
(48)— 
5.5% Note due July 18, 2028
(41)— 
TAG Norte – 5.74% Note due December 17, 2029(1)
(209)(198)
Total due to unconsolidated affiliates – noncurrent$(352)$(307)
SDG&E:  
Sempra$(42)$(44)
SoCalGas(14)(21)
Various affiliates(3)(8)
Total due to unconsolidated affiliates – current$(59)$(73)
Income taxes due from Sempra(2)
$38 $246 
SoCalGas:  
SDG&E$14 $21 
Various affiliates2 1 
Total due from unconsolidated affiliates – current$16 $22 
Sempra$(38)$(38)
Total due to unconsolidated affiliates – current$(38)$(38)
Income taxes due (to) from Sempra(2)
$(6)$6 
(1)    U.S. dollar-denominated loans at fixed interest rates. Amounts include principal balances plus accumulated interest outstanding and VAT payable to the Mexican government.
(2)    SDG&E and SoCalGas are included in the consolidated income tax return of Sempra, and their respective income tax expense is computed as an amount equal to that which would result from each company having always filed a separate return. Amounts include current and noncurrent income taxes due to/from Sempra.
The following table summarizes income statement information from unconsolidated affiliates.
INCOME STATEMENT IMPACT FROM UNCONSOLIDATED AFFILIATES
(Dollars in millions)
 Years ended December 31,
 202420232022
Sempra:
Revenues$40 $44 $41 
Interest income— — 16 
Interest expense16 15 15 
SDG&E:
Revenues$23 $21 $16 
Cost of sales146 113 92 
SoCalGas:
Revenues$169 $124 $100 
Cost of sales(1)
(5)35 (9)
(1)    Includes net commodity costs from natural gas transactions with unconsolidated affiliates.
Schedule of Inventory
The components of inventories are as follows:
INVENTORY BALANCES AT DECEMBER 31
(Dollars in millions)
SempraSDG&ESoCalGas
202420232024202320242023
Natural gas$163 $174 $1 $1 $148 $155 
LNG27 9 — — — — 
Materials and supplies369 299 201 152 139 122 
Total$559 $482 $202 $153 $287 $277 
Schedule of Regulated Operations
The following table summarizes the location of balances related to the Wildfire Fund on Sempra’s and SDG&E’s Consolidated Balance Sheets.
WILDFIRE FUND
(Dollars in millions)
December 31,
Location20242023
Wildfire Fund asset:
Current
Prepaid Expenses
$14 $28 
Noncurrent
Wildfire Fund
262 269 
Wildfire Fund obligation:
Current
Other Current Liabilities
13 13 
NoncurrentDeferred Credits and Other31 42 
The following table summarizes the cost of capital for SDG&E and SoCalGas. The authorized weighting remained unchanged for each of the years presented.
AUTHORIZED COST OF CAPITAL
Authorized weighting20222023202420252022
2023(1)
20242025
Return on rate baseWeighted return on rate base
SDG&E:
Long-Term Debt45.25 %4.59 %4.05 %4.34 %4.34 %2.08 %1.83 %1.96 %1.96 %
Preferred Equity2.75 6.22 6.22 6.22 6.22 0.17 0.17 0.17 0.17 
Common Equity52.00 10.20 9.95 10.65 10.23 5.30 5.17 5.54 5.32 
100.00 %7.55 %7.18 %7.67 %7.45 %
SoCalGas:
Long-Term Debt45.60 %4.23 %4.07 %4.54 %4.63 %1.93 %1.86 %2.07 %2.11 %
Preferred Equity2.40 6.00 6.00 6.00 6.00 0.14 0.14 0.14 0.14 
Common Equity52.00 10.05 9.80 10.50 10.08 5.23 5.10 5.46 5.24 
100.00 %7.30 %7.10 %7.67 %7.49 %
(1)    Total weighted return on rate base for SDG&E does not sum due to rounding differences.
Schedule of Other Intangible Assets
Other Intangible Assets included on Sempra’s Consolidated Balance Sheets are as follows:
OTHER INTANGIBLE ASSETS
(Dollars in millions)
 Amortization period
(years)		December 31,
 20242023
Sempra:
Renewable energy transmission and consumption permits
15 to 19
$169 $169 
O&M agreement
23
66 66 
ESJ PPA
14
190 190 
Other
10 to indefinite
15 15 
 440 440 
Less accumulated amortization:
Renewable energy transmission and consumption permits(68)(59)
O&M agreement(20)(17)
ESJ PPA(51)(37)
Other(9)(9)
 (148)(122)
 $292 $318 
Schedule of Property, Plant and Equipment
PROPERTY, PLANT AND EQUIPMENT BY MAJOR FUNCTIONAL CATEGORY
(Dollars in millions)
 December 31,Depreciation rates for years ended
December 31,
 20242023202420232022
SDG&E:
Natural gas operations$4,531 $4,175 2.62 %2.60 %2.57 %
Electric distribution12,542 11,597 4.21 4.05 3.94 
Electric transmission(1)
8,878 8,504 3.06 3.04 3.03 
Electric generation2,527 2,515 5.43 5.18 5.11 
Other electric2,722 2,507 6.95 7.05 7.03 
Construction work in progress(1)
1,962 1,620 N/AN/AN/A
Total SDG&E33,162 30,918 
SoCalGas:
Natural gas operations27,191 25,506 3.68 3.64 3.57 
Other non-utility32 50 0.98 1.03 1.54 
Construction work in progress1,861 1,469 N/AN/AN/A
Total SoCalGas29,084 27,025 
Other Sempra(2):
Estimated useful livesWeighted-average useful life
Land and land rights498 488 
16 to 44 years(3)
37
Machinery and equipment: 
Pipelines and storage4,355 3,883 
41 to 49 years
42
Generating plants1,820 1,815 
11 to 28 years
26
LNG terminal1,156 1,139 
42 years
42
Refined products terminals876 656 
37 years
37
Other348 346 
1 to 21 years
15
Construction work in progress8,781 5,930 N/AN/A
Other317 295 
1 to 35 years
16
 18,151 14,552 
Total Sempra$80,397 $72,495 
(1)    At December 31, 2024, includes $563 in electric transmission assets and $1 in construction work in progress related to SDG&E’s 86% interest in the Southwest Powerlink transmission line, jointly owned by SDG&E with other utilities. SDG&E, and each of the other owners, holds its undivided interest as a tenant in common in the property. Each owner is responsible for its share of the project and participates in decisions concerning operations and capital expenditures. SDG&E’s share of operating expenses is included in SDG&E’s and Sempra’s Consolidated Statements of Operations.
(2)    Includes $290 and $310 at December 31, 2024 and 2023, respectively, of utility plant, primarily pipelines and other distribution assets at Ecogas.
(3)    Estimated useful lives are for land rights.
DEPRECIATION EXPENSE
(Dollars in millions)
 Years ended December 31,
 202420232022
Sempra$2,409 $2,202 $1,995 
SDG&E1,216 1,092 977 
SoCalGas903 833 755 
ACCUMULATED DEPRECIATION AND AMORTIZATION
(Dollars in millions)
 December 31,
 20242023
SDG&E:
Accumulated depreciation:
Natural gas operations$1,121 $1,048 
Electric transmission, distribution and generation(1)
6,930 6,321 
Total SDG&E8,051 7,369 
SoCalGas:
Accumulated depreciation:
Natural gas operations8,315 7,835 
Other non-utility15 17 
Total SoCalGas8,330 7,852 
Other Sempra:
Accumulated depreciation – other(2)
2,579 2,314 
Total Sempra $18,960 $17,535 
(1)    Includes $338 at December 31, 2024 related to SDG&E’s 86% interest in the Southwest Powerlink transmission line, jointly owned by SDG&E and other utilities.
(2)    Includes $75 and $82 at December 31, 2024 and 2023, respectively, of accumulated depreciation for utility plant at Ecogas.
Schedule of Capitalized Financing Costs
The table below summarizes capitalized financing costs, comprised of capitalized interest and AFUDC related to debt.
CAPITALIZED FINANCING COSTS
(Dollars in millions)
 Years ended December 31,
 202420232022
Sempra$629 $448 $255 
SDG&E100 116 116 
SoCalGas101 77 73 
Schedule of Asset Retirement Obligations
The changes in AROs are as follows:
CHANGES IN ASSET RETIREMENT OBLIGATIONS
(Dollars in millions)
 SempraSDG&ESoCalGas
 202420232022202420232022202420232022
Balance at January 1(1)
$3,831 $3,712 $3,538 $894 $887 $890 $2,847 $2,743 $2,582 
Accretion expense156 148 141 37 37 37 114 106 101 
Liabilities incurred— 18 21 — 15 6 — — — 
Payments(65)(62)(57)(57)(59)(54)(8)(3)(3)
Revisions3 15 69 26 14 8 (23)1 63 
Balance at December 31(1)
$3,925 $3,831 $3,712 $900 $894 $887 $2,930 $2,847 $2,743 
(1)    Current portion of the ARO for Sempra is included in Other Current Liabilities on the Consolidated Balance Sheets.
Schedule of Changes in Accumulated Other Comprehensive Income by Component The following tables present the changes in AOCI by component and amounts reclassified out of AOCI to net income, after amounts attributable to NCI.
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT(1)
(Dollars in millions)
 Foreign
currency
translation
adjustments		Financial
instruments
Pension
and PBOP
Total
AOCI
Sempra:
Balance at December 31, 2021$(79)$(156)$(83)$(318)
OCI before reclassifications10 147 (11)146 
Amounts reclassified from AOCI(2)
10 19 8 37 
Net OCI(2)
20 166 (3)183 
Balance at December 31, 2022(59)10 (86)(135)
OCI before reclassifications23 59 (35)47 
Amounts reclassified from AOCI(3)
— (66)4 (62)
Net OCI(3)
23 (7)(31)(15)
Balance at December 31, 2023(36)3 (117)(150)
OCI before reclassifications(30)34 (1)3 
Amounts reclassified from AOCI— (22)3 (19)
Net OCI(30)12 2 (16)
Balance at December 31, 2024$(66)$15 $(115)$(166)
SDG&E:
Balance at December 31, 2021$(10)$(10)
OCI before reclassifications2 2 
Amounts reclassified from AOCI1 1 
Net OCI3 3 
Balance at December 31, 2022(7)(7)
OCI before reclassifications(2)(2)
Amounts reclassified from AOCI1 1 
Net OCI(1)(1)
Balance at December 31, 2023(8)(8)
OCI before reclassifications(3)(3)
Amounts reclassified from AOCI(1)(1)
Net OCI(4)(4)
Balance at December 31, 2024$(12)$(12)
SoCalGas:
Balance at December 31, 2021$(13)$(18)$(31)
OCI before reclassifications— 4 4 
Amounts reclassified from AOCI1 2 3 
Net OCI1 6 7 
Balance at December 31, 2022(12)(12)(24)
OCI before reclassifications— (1)(1)
Amounts reclassified from AOCI1 1 2 
Net OCI1 — 1 
Balance at December 31, 2023(11)(12)(23)
OCI before reclassifications— (5)(5)
Amounts reclassified from AOCI1 — 1 
Net OCI1 (5)(4)
Balance at December 31, 2024$(10)$(17)$(27)
(1)    All amounts are net of income tax, if subject to tax, and after NCI.
(2)    Total AOCI includes $9 of foreign currency translation adjustments associated with the sale of NCI to ADIA in 2022. We discuss this transaction in Note 12 in “Noncontrolling Interests – SI Partners.” This transaction did not impact the Consolidated Statement of Comprehensive Income (Loss).
(3)    Total AOCI includes $(46) of financial instruments associated with sale of NCI to KKR Denali in 2023, which we discuss in Note 12 in “Noncontrolling Interests – SI Partners Subsidiaries.” This transaction did not impact the Consolidated Statement of Comprehensive Income (Loss).
Schedule of Reclassifications out Of Accumulated Other Comprehensive Income
RECLASSIFICATIONS OUT OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
(Dollars in millions)
Details about AOCI componentsAmounts reclassified from AOCIAffected line item on
Consolidated Statements of Operations
 Years ended December 31, 
 202420232022 
Sempra: 
Foreign currency translation adjustments$— $— $1 Operation and maintenance
Financial instruments: 
Interest rate instruments$(11)$1 $1 Interest expense
Interest rate instruments(23)(48)29 
Equity earnings(1)
Foreign exchange instruments(5)1 (1)Revenues: Energy-related businesses
(2)2 1 Other income, net
Foreign exchange instruments(6)2 — 
Equity earnings(1)
Interest rate and foreign exchange instruments— (1)(2)Interest expense
— (6)(12)Other income, net
Total, before income tax(47)(49)16  
11 6 (6)Income tax expense
Total, net of income tax(36)(43)10  
14 23 9 Earnings attributable to noncontrolling interests
Total, net of income tax and after NCI$(22)$(20)$19  
Pension and PBOP(2):
 
Amortization of actuarial loss$6 $3 $7 Other income, net
Amortization of prior service cost3 2 4 Other income, net
Settlement charges9 — — Other income, net
Total, before income tax18 5 11 
 (15)(1)(3)Income tax expense
Total, net of income tax$3 $4 $8  
Total reclassifications for the period, net of income
tax and after NCI
$(19)$(16)$28  
SDG&E: 
Pension and PBOP(2):
 
Amortization of actuarial loss$1 $— $1 Other income, net
Amortization of prior service cost— 1 — Other income, net
Total, before income tax1 1 1 
(2)— — Income tax (expense) benefit
Total reclassifications for the period, net of income
tax
$(1)$1 $1  
SoCalGas: 
Financial instruments: 
Interest rate instruments$1 $1 $1 Interest expense
Pension and PBOP(2):
 
Amortization of actuarial loss$1 $1 $2 Other income (expense), net
Amortization of prior service cost1 1 1 Other income (expense), net
Total, before income tax223 
(2)(1)(1)Income tax (expense) benefit
Total, net of income tax$— $1 $2 
Total reclassifications for the period, net of income
tax
$1 $2 $3  
(1)    Equity earnings at Oncor Holdings and our foreign equity method investees are recognized after tax.
(2)    Amounts are included in the computation of net periodic benefit cost (see “Pension and PBOP” in Note 8).
Schedule of Other Income (expense)
Other Income, Net, on the Consolidated Statements of Operations consists of the following:
OTHER INCOME (EXPENSE), NET
(Dollars in millions)
 Years ended December 31,
 202420232022
Sempra:
Allowance for equity funds used during construction$150 $140 $143 
Investment gains (losses), net(1)
36 28 (42)
Gains on interest rate and foreign exchange instruments, net2 4 11 
Foreign currency transaction (losses) gains, net(2)
(16)2 (24)
Non-service components of net periodic benefit cost(101)(106)(59)
Interest on regulatory balancing accounts, net75 79 26 
Sundry, net(10)(16)(31)
Total$136 $131 $24 
SDG&E:
Allowance for equity funds used during construction$73 $86 $88 
Non-service components of net periodic benefit cost4 (19)(11)
Interest on regulatory balancing accounts, net23 42 18 
Sundry, net(10)(12)(3)
Total$90 $97 $92 
SoCalGas:
Allowance for equity funds used during construction$72 $54 $55 
Non-service components of net periodic benefit cost(86)(80)(42)
Interest on regulatory balancing accounts, net52 37 8 
Sundry, net(13)(15)(29)
Total$25 $(4)$(8)
(1)    Represents net investment gains (losses) on dedicated assets in support of our executive retirement and deferred compensation plans. These amounts are offset by corresponding changes in compensation expense related to the plans, recorded in O&M on the Consolidated Statements of Operations.
(2)    Includes losses of $11 in 2022 from translation to U.S. dollars of a Mexican peso-denominated loan to IMG, which are offset by corresponding amounts included in Equity Earnings on the Consolidated Statements of Operations.