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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2025
Fair Value Disclosures [Abstract]  
Recurring Fair Value Measures
RECURRING FAIR VALUE MEASURES
(Dollars in millions)
Level 1Level 2Level 3
Netting(1)
Total
Fair value at September 30, 2025
Sempra:
Assets:    
Nuclear decommissioning trusts:    
Short-term investments, primarily cash equivalents
$19 $$— $21 
Equity securities289 — 292 
Debt securities:    
Debt securities issued by the U.S. Treasury and other
U.S. government corporations and agencies
28 26 — 54 
Municipal bonds— 296 — 296 
Other securities— 254 — 254 
Total debt securities28 576 — 604 
Total nuclear decommissioning trusts(2)
336 581 — 917 
Short-term investments held in Rabbi Trust22 — — 22 
Support Agreement, net of related guarantee fees— — 39 39 
Commodity contracts subject to rate recovery$25 42 
Total
361 589 45 25 1,020 
Assets held for sale:
Interest rate instruments— 214 — — 214 
Commodity contracts not subject to rate recovery— 24 — 55 79 
Total assets held for sale
— 238 — 55 293 
Total assets
$361 $827 $45 $80 $1,313 
Liabilities:    
Commodity contracts subject to rate recovery$34 $106 $— $(62)$78 
Liabilities held for sale:
Foreign exchange instruments— — — 
Commodity contracts not subject to rate recovery— 63 — (5)58 
Total liabilities held for sale— 68 — (5)63 
Total liabilities$34 $174 $— $(67)$141 
(1)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
(2)    Excludes receivables (payables), net.
RECURRING FAIR VALUE MEASURES
(Dollars in millions)
Level 1Level 2Level 3
Netting(1)
Total
Fair value at December 31, 2024
Sempra:
Assets:
Nuclear decommissioning trusts:
Short-term investments, primarily cash equivalents$$$— $10 
Equity securities295 — 298 
Debt securities:
Debt securities issued by the U.S. Treasury and other
U.S. government corporations and agencies
41 26 — 67 
Municipal bonds— 287 — 287 
Other securities— 228 — 228 
Total debt securities41 541 — 582 
Total nuclear decommissioning trusts(2)
344 546 — 890 
Short-term investments held in Rabbi Trust64 — — 64 
Support Agreement, net of related guarantee fees— — 25 25 
Interest rate instruments— 293 — $— 293 
Foreign exchange instruments— — — 
Commodity contracts not subject to rate recovery— 39 — 41 
Commodity contracts subject to rate recovery18 29 
Total$414 $884 $29 $20 $1,347 
Liabilities:
Commodity contracts not subject to rate recovery$$63 $— $(38)$26 
Commodity contracts subject to rate recovery20 45 — (21)44 
Total$21 $108 $— $(59)$70 
(1)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
(2)    Excludes receivables (payables), net.
RECURRING FAIR VALUE MEASURES
(Dollars in millions)
Level 1Level 2Level 3
Netting(1)
Total
Fair value at September 30, 2025
SDG&E:
Assets:    
Nuclear decommissioning trusts:    
Short-term investments, primarily cash equivalents
$19 $$— $21 
Equity securities289 — 292 
Debt securities:    
Debt securities issued by the U.S. Treasury and other
U.S. government corporations and agencies
28 26 — 54 
Municipal bonds— 296 — 296 
Other securities— 254 — 254 
Total debt securities28 576 — 604 
Total nuclear decommissioning trusts(2)
336 581 — 917 
Commodity contracts subject to rate recovery— $22 31 
Total$339 $581 $$22 $948 
Liabilities:    
Commodity contracts subject to rate recovery$14 $— $— $(14)$— 
 Fair value at December 31, 2024
SDG&E:
Assets:    
Nuclear decommissioning trusts:    
Short-term investments, primarily cash equivalents
$$$— $10 
Equity securities295 — 298 
Debt securities:   
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
41 26 — 67 
Municipal bonds— 287 — 287 
Other securities— 228 — 228 
Total debt securities41 541 — 582 
Total nuclear decommissioning trusts(2)
344 546 — 890 
Commodity contracts subject to rate recovery— $17 25 
Total$348 $546 $$17 $915 
Liabilities:   
Commodity contracts subject to rate recovery$18 $$— $(18)$
(1)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
(2)    Excludes receivables (payables), net.
RECURRING FAIR VALUE MEASURES
(Dollars in millions)
Level 1Level 2Level 3
Netting(1)
Total
Fair value at September 30, 2025
SoCalGas:
Assets:    
Commodity contracts subject to rate recovery$— $$— $$11 
Liabilities:    
Commodity contracts subject to rate recovery$20 $106 $— $(48)$78 
 Fair value at December 31, 2024
SoCalGas:
Assets:    
Commodity contracts subject to rate recovery$$$— $$
Liabilities:    
Commodity contracts subject to rate recovery$$44 $— $(3)$43 
(1)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
Recurring Fair Value Measures Level 3 Rollforward
The table below sets forth reconciliations of changes in the fair value of CRRs classified as Level 3 in the fair value hierarchy for Sempra and SDG&E.
LEVEL 3 RECONCILIATIONS(1)
(Dollars in millions)
 Three months ended September 30,
 20252024
Balance at July 1$$
Realized and unrealized gains (losses), net(3)
Allocated transmission instruments
Settlements(2)
Balance at September 30$$
Change in unrealized gains (losses) relating to instruments still held at September 30
$$— 
Nine months ended September 30,
20252024
Balance at January 1$$10 
Realized and unrealized gains (losses), net(6)
Allocated transmission instruments
Settlements(4)
Balance at September 30$$
Change in unrealized gains (losses) relating to instruments still held at September 30
$(1)$(1)
(1)    Excludes the effect of the contractual ability to settle contracts under master netting agreements and cash collateral.
The table below sets forth reconciliations of changes in the fair value of Sempra’s Support Agreement for the benefit of CFIN classified as Level 3 in the fair value hierarchy.
LEVEL 3 RECONCILIATIONS
(Dollars in millions)
Three months ended September 30,
 20252024
Balance at July 1$39 $23 
Realized and unrealized gains (losses), net(1)
Settlements(2)(2)
Balance at September 30(2)
$39 $24 
Change in unrealized gains (losses) relating to instruments still held at September 30
$$
Nine months ended September 30,
20252024
Balance at January 1$25 $23 
Realized and unrealized gains (losses), net(1)
20 
Settlements(6)(6)
Balance at September 30(2)
$39 $24 
Change in unrealized gains (losses) relating to instruments still held at September 30
$20 $
(1)    Net gains are included in Interest Income and net losses are included in Interest Expense on Sempra’s Condensed Consolidated Statements of Operations.
(2)    Includes $8 in Other Current Assets and $31 in Other Long-Term Assets at September 30, 2025 on Sempra's Condensed Consolidated Balance Sheet.
Schedule of Fair Value Inputs For the CRRs settling from January 1 to December 31, the auction price inputs, at a given location, were in the following ranges for the years indicated below:
CONGESTION REVENUE RIGHTS AUCTION PRICE INPUTS
Settlement yearPrice per MWhMedian price per MWh
2025$(7.38)to$15.54 $0.01 
2024(3.69)to9.55 (0.44)
Fair Value of Financial Instruments The following table provides the carrying amounts and fair values of certain other financial instruments that are not recorded at fair value on the Condensed Consolidated Balance Sheets.
FAIR VALUE OF FINANCIAL INSTRUMENTS
(Dollars in millions)
 Carrying
amount
Fair value
 Level 1Level 2Level 3Total
September 30, 2025
Sempra:     
Long-term note receivable(1)
$364 $— $— $359 $359 
Long-term amounts due to unconsolidated affiliates held for sale417 — 400 — 400 
Long-term debt held for sale(2)
6,961 — 6,661 — 6,661 
Long-term debt(3)
29,866 — 28,376 — 28,376 
SDG&E:     
Long-term debt(4)
$9,800 $— $8,849 $— $8,849 
SoCalGas:     
Long-term debt(5)
$8,109 $— $7,847 $— $7,847 
 December 31, 2024
Sempra:     
Long-term note receivable(1)
$351 $— $— $334 $334 
Long-term amounts due to unconsolidated affiliates352 — 324 — 324 
Long-term debt(3)
32,899 — 30,193 — 30,193 
SDG&E:     
Long-term debt(4)
$8,950 $— $7,760 $— $7,760 
SoCalGas:     
Long-term debt(5)
$7,359 $— $6,880 $— $6,880 
(1)    Before allowances for credit losses of $4 and $5 at September 30, 2025 and December 31, 2024, respectively. Excludes unamortized transaction costs of $3 at both September 30, 2025 and December 31, 2024, respectively.
(2)    After the effects of interest rate swaps. Before reductions of unamortized discount and debt issuance costs of $121 at September 30, 2025.
(3)    After the effects of interest rate swaps at December 31, 2024. Before reductions of unamortized discount and debt issuance costs of $311 and $382 at September 30, 2025 and December 31, 2024, respectively, and excluding finance lease obligations of $1,305 and $1,315 at September 30, 2025 and December 31, 2024, respectively.
(4)    Before reductions of unamortized discount and debt issuance costs of $99 and $95 at September 30, 2025 and December 31, 2024, respectively, and excluding finance lease obligations of $1,181 and $1,205 at September 30, 2025 and December 31, 2024, respectively.
(5)    Before reductions of unamortized discount and debt issuance costs of $81 and $65 at September 30, 2025 and December 31, 2024, respectively, and excluding finance lease obligations of $124 and $110 at September 30, 2025 and December 31, 2024, respectively.