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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 30, 2021
Fair Value Disclosures [Abstract]  
Recurring Fair Value Measures Table
RECURRING FAIR VALUE MEASURES – SEMPRA
(Dollars in millions)
 Fair value at June 30, 2021
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$361 $$— $367 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
48 13 — 61 
Municipal bonds— 324 — 324 
Other securities— 268 — 268 
Total debt securities48 605 — 653 
Total nuclear decommissioning trusts(1)
409 611 — 1,020 
Interest rate and foreign exchange instruments— — 
Commodity contracts not subject to rate recovery— — 
Effect of netting and allocation of collateral(2)
59 — — 59 
Commodity contracts subject to rate recovery14 15 96 125 
Effect of netting and allocation of collateral(2)
21 — 27 
Support Agreement, net of related guarantee fees— — 
Total$503 $635 $109 $1,247 
Liabilities:    
Interest rate and foreign exchange instruments$— $183 $— $183 
Commodity contracts not subject to rate recovery— 36 — 36 
Commodity contracts subject to rate recovery— 16 24 
Support Agreement, net of related guarantee fees— — 
Total$— $227 $19 $246 
 Fair value at December 31, 2020
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$358 $$— $364 
Debt securities:   
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
41 24 — 65 
Municipal bonds— 326 — 326 
Other securities— 270 — 270 
Total debt securities41 620 — 661 
Total nuclear decommissioning trusts(1)
399 626 — 1,025 
Interest rate and foreign exchange instruments— 25 — 25 
Commodity contracts not subject to rate recovery— — 
Effect of netting and allocation of collateral(2)
21 — — 21 
Commodity contracts subject to rate recovery121 128 
Effect of netting and allocation of collateral(2)
19 30 
Support Agreement, net of related guarantee fees— — 
Total$445 $661 $134 $1,240 
Liabilities:    
Interest rate and foreign exchange instruments$— $186 $— $186 
Commodity contracts not subject to rate recovery— 16 — 16 
Commodity contracts subject to rate recovery— 52 58 
Support Agreement, net of related guarantee fees— — 
Total$— $208 $56 $264 
(1)    Excludes cash, cash equivalents and receivables (payables), net.
(2)    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 – SDG&E
(Dollars in millions)
 Fair value at June 30, 2021
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$361 $$— $367 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
48 13 — 61 
Municipal bonds— 324 — 324 
Other securities— 268 — 268 
Total debt securities48 605 — 653 
Total nuclear decommissioning trusts(1)
409 611 — 1,020 
Commodity contracts subject to rate recovery14 96 116 
Effect of netting and allocation of collateral(2)
20 — 26 
Total$443 $617 $102 $1,162 
Liabilities:    
Commodity contracts subject to rate recovery$— $— $16 $16 
Total$— $— $16 $16 
 Fair value at December 31, 2020
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$358 $$— $364 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
41 24 — 65 
Municipal bonds— 326 — 326 
Other securities— 270 — 270 
Total debt securities41 620 — 661 
Total nuclear decommissioning trusts(1)
399 626 — 1,025 
Commodity contracts subject to rate recovery— 121 126 
Effect of netting and allocation of collateral(2)
18 — 24 
Total$422 $626 $127 $1,175 
Liabilities:    
Commodity contracts subject to rate recovery$— $— $52 $52 
Total$— $— $52 $52 
(1)    Excludes cash, cash equivalents and receivables (payables), net.
(2)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
RECURRING FAIR VALUE MEASURES – SOCALGAS
(Dollars in millions)
 Fair value at June 30, 2021
 Level 1Level 2Level 3Total
Assets:    
Commodity contracts subject to rate recovery$— $$— $
Effect of netting and allocation of collateral(1)
— — 
Total$$$— $10 
Liabilities:    
Commodity contracts subject to rate recovery$— $$— $
Total$— $$— $
 Fair value at December 31, 2020
 Level 1Level 2Level 3Total
Assets:    
Commodity contracts subject to rate recovery$$$— $
Effect of netting and allocation of collateral(1)
— 
Total$$$— $
Liabilities:    
Commodity contracts subject to rate recovery$— $$— $
Total$— $$— $
(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 Table
The table below sets forth reconciliations of changes in the fair value of CRRs and long-term, fixed-price electricity positions classified as Level 3 in the fair value hierarchy for Sempra and SDG&E.
LEVEL 3 RECONCILIATIONS(1)
(Dollars in millions)
 Three months ended June 30,
 20212020
Balance at April 1$62 $16 
Realized and unrealized gains (losses)(9)
Allocated transmission instruments(2)
Settlements12 
Balance at June 30$80 $17 
Change in unrealized gains (losses) relating to instruments still held at June 30$14 $(5)
Six months ended June 30,
20212020
Balance at January 1$69 $28 
Realized and unrealized gains (losses)(14)
Allocated transmission instruments(2)
Settlements
Balance at June 30$80 $17 
Change in unrealized gains (losses) relating to instruments still held at June 30$12 $(13)
(1)    Excludes the effect of the contractual ability to settle contracts under master netting agreements.
The table below sets forth a reconciliation of changes in the fair value of Sempra’s Support Agreement for the benefit of CFIN classified as Level 3 in the fair value hierarchy for Sempra.
LEVEL 3 RECONCILIATION
(Dollars in millions)
 Three months ended June 30, 2021
Balance at April 1$
Realized and unrealized gains(1)
Settlements(2)
Balance at June 30(2)
$
Change in unrealized gains (losses) relating to instruments still held at June 30$
Six months ended June 30, 2021
Balance at January 1$
Realized and unrealized gains(1)
Settlements(4)
Balance at June 30(2)
$
Change in unrealized gains (losses) relating to instruments still held at June 30$
(1)    Net gains are included in Interest Income and net losses are included in Interest Expense on Sempra’s Condensed Consolidated Statement of Operations.
(2)    Includes $7 million in Other Current Assets offset by $3 million in Deferred Credits and Other on Sempra’s Condensed Consolidated Balance Sheet.
Schedule of Fair Value Inputs For the CRRs settling from January 1 to December 31, the auction price inputs, at a given location, were in the following ranges for the years indicated below:
CONGESTION REVENUE RIGHTS AUCTION PRICE INPUTS
Settlement yearPrice per MWhMedian price per MWh
2021$(1.81)to$14.11 $(0.12)
2020(3.77)to6.03 (1.58)
The fair value of the net electricity positions classified as Level 3 is derived from a discounted cash flow model using market electricity forward price inputs. The range and weighted-average price of these inputs at June 30 were as follows:
LONG-TERM, FIXED-PRICE ELECTRICITY POSITIONS PRICE INPUTS
Settlement yearPrice per MWhWeighted-average price per MWh
2021$22.45 to$151.90 $49.27 
202020.35 to51.60 34.68 
Fair Value of Financial Instruments Table 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)
 June 30, 2021
 Carrying
amount
Fair value
 Level 1Level 2Level 3Total
Sempra:     
Long-term amounts due from unconsolidated affiliates(1)
$705 $— $722 $— $722 
Long-term amounts due to unconsolidated affiliates304 — 325 — 325 
Total long-term debt(2)
21,520 — 24,003 — 24,003 
SDG&E:     
Total long-term debt(3)
$6,036 $— $6,948 $— $6,948 
SoCalGas:     
Total long-term debt(4)
$4,759 $— $5,424 $— $5,424 
 December 31, 2020
 Carrying
amount
Fair value
 Level 1Level 2Level 3Total
Sempra:     
Long-term amounts due from unconsolidated affiliates(1)
$786 $— $817 $— $817 
Long-term amounts due to unconsolidated affiliates275 — 266 — 266 
Total long-term debt(2)
22,259 — 25,478 — 25,478 
SDG&E:     
Total long-term debt(3)
$6,253 $— $7,384 $— $7,384 
SoCalGas:     
Total long-term debt(4)
$4,759 $— $5,655 $— $5,655 
(1)    Before allowances for credit losses of $1 million and $3 million at June 30, 2021 and December 31, 2020, respectively. Includes $2 million and $3 million in Due From Unconsolidated Affiliates – Current at June 30, 2021 and December 31, 2020, respectively.
(2)    Before reductions of unamortized discount and debt issuance costs of $258 million and $268 million at June 30, 2021 and December 31, 2020, respectively, and excluding finance lease obligations of $1,335 million and $1,330 million at June 30, 2021 and December 31, 2020, respectively.
(3)    Before reductions of unamortized discount and debt issuance costs of $50 million and $52 million at June 30, 2021 and December 31, 2020, respectively, and excluding finance lease obligations of $1,276 million at both June 30, 2021 and December 31, 2020.
(4)    Before reductions of unamortized discount and debt issuance costs of $38 million and $40 million at June 30, 2021 and December 31, 2020, respectively, and excluding finance lease obligations of $59 million and $54 million at June 30, 2021 and December 31, 2020, respectively.