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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Recurring Fair Value Measures Table
RECURRING FAIR VALUE MEASURES – SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
 Fair value at September 30, 2020
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$382 $$— $389 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
26 23 — 49 
Municipal bonds— 335 — 335 
Other securities— 271 — 271 
Total debt securities26 629 — 655 
Total nuclear decommissioning trusts(1)
408 636 — 1,044 
Interest rate and foreign exchange instruments— — 
Commodity contracts not subject to rate recovery— — 
Effect of netting and allocation of collateral(2)
41 — — 41 
Commodity contracts subject to rate recovery86 99 
Effect of netting and allocation of collateral(2)
18 — 24 
Support Agreement, net of related guarantee fees— — 
Total$476 $653 $98 $1,227 
Liabilities:    
Interest rate and foreign exchange instruments$— $219 $— $219 
Commodity contracts not subject to rate recovery— 17 — 17 
Commodity contracts subject to rate recovery— 53 59 
Total$— $242 $53 $295 
 Fair value at December 31, 2019
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$503 $$— $509 
Debt securities:   
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
46 11 — 57 
Municipal bonds— 282 — 282 
Other securities— 226 — 226 
Total debt securities46 519 — 565 
Total nuclear decommissioning trusts(1)
549 525 — 1,074 
Interest rate and foreign exchange instruments— 24 — 24 
Commodity contracts not subject to rate recovery— 11 — 11 
Effect of netting and allocation of collateral(2)
43 — — 43 
Commodity contracts subject to rate recovery95 108 
Effect of netting and allocation of collateral(2)
11 25 
Total$608 $576 $101 $1,285 
Liabilities:    
Interest rate and foreign exchange instruments$— $157 $— $157 
Commodity contracts not subject to rate recovery— 17 — 17 
Commodity contracts subject to rate recovery14 67 85 
Effect of netting and allocation of collateral(2)
(14)— — (14)
Total$— $178 $67 $245 
(1)    Excludes cash and cash equivalents.
(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 September 30, 2020
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$382 $$— $389 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
26 23 — 49 
Municipal bonds— 335 — 335 
Other securities— 271 — 271 
Total debt securities26 629 — 655 
Total nuclear decommissioning trusts(1)
408 636 — 1,044 
Commodity contracts subject to rate recovery86 96 
Effect of netting and allocation of collateral(2)
16 — 22 
Total$433 $637 $92 $1,162 
Liabilities:    
Commodity contracts subject to rate recovery$— $— $53 $53 
Total$— $— $53 $53 
 Fair value at December 31, 2019
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$503 $$— $509 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
46 11 — 57 
Municipal bonds— 282 — 282 
Other securities— 226 — 226 
Total debt securities46 519 — 565 
Total nuclear decommissioning trusts(1)
549 525 — 1,074 
Commodity contracts subject to rate recovery95 99 
Effect of netting and allocation of collateral(2)
10 — 16 
Total$560 $528 $101 $1,189 
Liabilities:    
Commodity contracts subject to rate recovery$14 $— $67 $81 
Effect of netting and allocation of collateral(2)
(14)— — (14)
Total$— $— $67 $67 
(1)    Excludes cash and cash equivalents.
(2)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
RECURRING FAIR VALUE MEASURES – SOCALGAS
(Dollars in millions)
 Fair value at September 30, 2020
 Level 1Level 2Level 3Total
Assets:    
Commodity contracts subject to rate recovery$— $$— $
Effect of netting and allocation of collateral(1)
— — 
Total$$$— $
Liabilities:    
Commodity contracts subject to rate recovery$— $$— $
Total$— $$— $
 Fair value at December 31, 2019
 Level 1Level 2Level 3Total
Assets:    
Commodity contracts subject to rate recovery$$$— $
Effect of netting and allocation of collateral(1)
— 
Total$$13 $— $18 
Liabilities:    
Commodity contracts subject to rate recovery$— $$— $
Total$— $$— $
(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 Energy Consolidated and SDG&E.
LEVEL 3 RECONCILIATIONS(1)
(Dollars in millions)
 Three months ended September 30,
 20202019
Balance at July 1$17 $176 
Realized and unrealized losses(4)(24)
Allocated transmission instruments— 
Settlements19 27 
Balance at September 30$33 $179 
Change in unrealized gains (losses) relating to instruments still held at September 30$$
Nine months ended September 30,
20202019
Balance at January 1$28 $179 
Realized and unrealized losses(18)(32)
Allocated transmission instruments— 
Settlements21 32 
Balance at September 30$33 $179 
Change in unrealized gains (losses) relating to instruments still held at September 30$(1)$12 
(1)    Excludes the effect of the contractual ability to settle contracts under master netting agreements.
The table below sets forth a reconciliation of changes in the fair value of Sempra Energy’s Support Agreement for the benefit of CFIN classified as Level 3 in the fair value hierarchy for Sempra Energy Consolidated.
LEVEL 3 RECONCILIATION
(Dollars in millions)
 Three months ended September 30, 2020
Balance at July 1$— 
Realized and unrealized gains(1)
Settlements(1)
Balance at September 30(2)
$
Change in unrealized gains (losses) relating to instruments still held at September 30$
(1)    Net gains are included in Interest Income and net losses are included in Interest Expense on the Sempra Energy Condensed Consolidated Statements of Operations.
(2)    Included in Other Current Assets on the Sempra Energy Condensed Consolidated Balance Sheets.
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
2020$(3.77)to$6.03 $(1.58)
2019(8.57)to35.21 (2.94)
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 September 30 were as follows:
LONG-TERM, FIXED-PRICE ELECTRICITY POSITIONS PRICE INPUTS
Settlement yearPrice per MWhWeighted-average price per MWh
2020$19.45 to$71.25 $38.14 
201921.60 to57.20 38.29 
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)
 September 30, 2020
 Carrying
amount
Fair value
 Level 1Level 2Level 3Total
Sempra Energy Consolidated:     
Long-term amounts due from unconsolidated affiliates(1)
$620 $— $649 $— $649 
Long-term amounts due to unconsolidated affiliates271 — 280 — 280 
Total long-term debt(2)
23,588 — 26,105 — 26,105 
SDG&E:     
Total long-term debt(3)
$6,505 $— $7,481 $— $7,481 
SoCalGas:     
Total long-term debt(4)
$4,759 $— $5,573 $— $5,573 
 December 31, 2019
 Carrying
amount
Fair value
 Level 1Level 2Level 3Total
Sempra Energy Consolidated:     
Long-term amounts due from unconsolidated affiliates$742 $— $759 $— $759 
Long-term amounts due to unconsolidated affiliates195 — 184 — 184 
Total long-term debt(2)
21,247 — 22,638 26 22,664 
SDG&E:     
Total long-term debt(3)
$5,140 $— $5,662 $— $5,662 
SoCalGas:     
Total long-term debt(4)
$3,809 $— $4,189 $— $4,189 
(1)    Before allowances for credit losses of $3 million at September 30, 2020.
(2)    Before reductions of unamortized discount and debt issuance costs of $263 million and $225 million at September 30, 2020 and December 31, 2019, respectively, and excluding finance lease obligations of $1,335 million and $1,289 million at September 30, 2020 and December 31, 2019, respectively.
(3)    Before reductions of unamortized discount and debt issuance costs of $59 million and $48 million at September 30, 2020 and December 31, 2019, respectively, and excluding finance lease obligations of $1,278 million and $1,270 million at September 30, 2020 and December 31, 2019, respectively.
(4)    Before reductions of unamortized discount and debt issuance costs of $41 million and $34 million at September 30, 2020 and December 31, 2019, respectively, and excluding finance lease obligations of $57 million and $19 million at September 30, 2020 and December 31, 2019, respectively.