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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2021
Fair Value Disclosures [Abstract]  
Recurring Fair Value Measures Table
RECURRING FAIR VALUE MEASURES – SEMPRA
(Dollars in millions)
 Fair value at September 30, 2021
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$350 $$— $356 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
40 12 — 52 
Municipal bonds— 320 — 320 
Other securities— 270 — 270 
Total debt securities40 602 — 642 
Total nuclear decommissioning trusts(1)
390 608 — 998 
Interest rate and foreign exchange instruments— — 
Commodity contracts not subject to rate recovery— 31 — 31 
Effect of netting and allocation of collateral(2)
47 — — 47 
Commodity contracts subject to rate recovery32 88 122 
Effect of netting and allocation of collateral(2)
24 — 30 
Support Agreement, net of related guarantee fees— — 
Total$493 $647 $101 $1,241 
Liabilities:    
Interest rate and foreign exchange instruments$— $176 $— $176 
Commodity contracts not subject to rate recovery— 81 — 81 
Effect of netting and allocation of collateral(2)
— (11)— (11)
Commodity contracts subject to rate recovery— 35 16 51 
Support Agreement, net of related guarantee fees— — 
Total$— $281 $18 $299 
 Fair value at December 31, 2020
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$358 $$— $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 September 30, 2021
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$350 $$— $356 
Debt securities:    
Debt securities issued by the U.S. Treasury and other U.S.
government corporations and agencies
40 12 — 52 
Municipal bonds— 320 — 320 
Other securities— 270 — 270 
Total debt securities40 602 — 642 
Total nuclear decommissioning trusts(1)
390 608 — 998 
Commodity contracts subject to rate recovery32 — 88 120 
Effect of netting and allocation of collateral(2)
22 — 28 
Total$444 $608 $94 $1,146 
Liabilities:    
Commodity contracts subject to rate recovery$— $$16 $17 
Total$— $$16 $17 
 Fair value at December 31, 2020
 Level 1Level 2Level 3Total
Assets:    
Nuclear decommissioning trusts:    
Equity securities$358 $$— $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 $52 
(1)    Excludes cash, cash equivalents and receivables (payables), net.
(2)    Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
RECURRING FAIR VALUE MEASURES – SOCALGAS
(Dollars in millions)
 Fair value at September 30, 2021
 Level 1Level 2Level 3Total
Assets:    
Commodity contracts subject to rate recovery$— $$— $
Effect of netting and allocation of collateral(1)
— — 
Total$$$— $
Liabilities:    
Commodity contracts subject to rate recovery$— $34 $— $34 
Total$— $34 $— $34 
 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 September 30,
 20212020
Balance at July 1$80 $17 
Realized and unrealized losses(35)(4)
Allocated transmission instruments
Settlements26 19 
Balance at September 30$72 $33 
Change in unrealized gains (losses) relating to instruments still held at September 30$$
Nine months ended September 30,
20212020
Balance at January 1$69 $28 
Realized and unrealized losses(29)(18)
Allocated transmission instruments(1)
Settlements33 21 
Balance at September 30$72 $33 
Change in unrealized gains (losses) relating to instruments still held at September 30$$(1)
(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 September 30,
 20212020
Balance at July 1$$— 
Realized and unrealized gains(1)
Settlements(2)(1)
Balance at September 30(2)
$$
Change in unrealized gains (losses) relating to instruments still held at September 30$$
Nine months ended September 30,
20212020
Balance at January 1$$— 
Realized and unrealized gains(1)
Settlements(6)(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 Sempra’s Condensed Consolidated Statement of Operations.
(2)    Includes $7 million in Other Current Assets offset by $2 million in Deferred Credits and Other at September 30, 2021 on Sempra’s Condensed Consolidated Balance Sheet.

The fair value of the Support Agreement, net of related guarantee fees, is based on a discounted cash flow model using a probability of default and survival methodology. Our estimate of fair value considers inputs such as third-party default rates, credit ratings, recovery rates, and risk-adjusted discount rates, which may be readily observable, market corroborated or generally unobservable inputs. Because CFIN’s credit rating and related default and survival rates are unobservable inputs that are significant to the valuation, the Support Agreement, net of related guarantee fees, is classified as Level 3. We assigned CFIN an internally developed credit rating of A3 and relied on default rate data published by Moody’s to assign a probability of default. A hypothetical change in the credit rating up or down one notch could result in a significant change in the fair value of the Support Agreement.
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 September 30 were as follows:
LONG-TERM, FIXED-PRICE ELECTRICITY POSITIONS PRICE INPUTS
Settlement yearPrice per MWhWeighted-average
price per MWh
2021$24.05 to$130.40 $57.36 
202019.45 to71.25 38.14 
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, 2021
 Carrying
amount
Fair value
 Level 1Level 2Level 3Total
Sempra:     
Long-term amounts due from unconsolidated affiliates(1)
$687 $— $697 $— $697 
Long-term amounts due to unconsolidated affiliates328 — 347 — 347 
Total long-term debt(2)
21,966 — 24,288 — 24,288 
SDG&E:     
Total long-term debt(3)
$6,418 $— $7,263 $— $7,263 
SoCalGas:     
Total long-term debt(4)
$4,759 $— $5,373 $— $5,373 
 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 September 30, 2021 and December 31, 2020, respectively. Includes $2 million and $3 million in Due From Unconsolidated Affiliates – Current at September 30, 2021 and December 31, 2020, respectively.
(2)    Before reductions of unamortized discount and debt issuance costs of $266 million and $268 million at September 30, 2021 and December 31, 2020, respectively, and excluding finance lease obligations of $1,336 million and $1,330 million at September 30, 2021 and December 31, 2020, respectively.
(3)    Before reductions of unamortized discount and debt issuance costs of $62 million and $52 million at September 30, 2021 and December 31, 2020, respectively, and excluding finance lease obligations of $1,279 million and $1,276 million at September 30, 2021 and December 31, 2020, respectively.
(4)    Before reductions of unamortized discount and debt issuance costs of $37 million and $40 million at September 30, 2021 and December 31, 2020, respectively, and excluding finance lease obligations of $57 million and $54 million at September 30, 2021 and December 31, 2020, respectively.