v3.8.0.1

FAIR VALUE MEASUREMENTS (Tables) | 3 Months Ended
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Mar. 31, 2018
Fair Value Disclosures [Abstract] |
Schedule of Auction Price Inputs [Table Text Block] | For the CRRs settling from January 1 to December 31, the auction price inputs, at a given location, are in the following ranges for the years indicated below:
CONGESTION REVENUE RIGHTS AUCTION PRICE INPUTS
Settlement year |  | Price per MWh
2018 |  | $ | (7.25 | ) | to | $ | 11.99 |
2017 |  | (11.88 | ) | to | 6.93 |
Recurring Fair Value Measures Table |
RECURRING FAIR VALUE MEASURES – SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
| Fair value at March 31, 2018
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Nuclear decommissioning trusts: |  |  |  |  |  |  |
Equity securities | $ | 486 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 491 |
Debt securities: |  |  |  |  |  |  |
Debt securities issued by the U.S. Treasury and other |  |  |  |  |  |  |
U.S. government corporations and agencies | 35 |  |  | 9 |  |  | — |  |  | 44 |
Municipal bonds | — |  |  | 247 |  |  | — |  |  | 247 |
Other securities | — |  |  | 216 |  |  | — |  |  | 216 |
Total debt securities | 35 |  |  | 472 |  |  | — |  |  | 507 |
Total nuclear decommissioning trusts(1) | 521 |  |  | 477 |  |  | — |  |  | 998 |
Interest rate and foreign exchange instruments | — |  |  | 46 |  |  | — |  |  | 46 |
Commodity contracts not subject to rate recovery | 4 |  |  | 8 |  |  | — |  |  | 12 |
Effect of netting and allocation of collateral(2) | 21 |  |  | — |  |  | — |  |  | 21 |
Commodity contracts subject to rate recovery | — |  |  | 2 |  |  | 118 |  |  | 120 |
Effect of netting and allocation of collateral(2) | 9 |  |  | — |  |  | 5 |  |  | 14 |
Total | $ | 555 |  |  | $ | 533 |  |  | $ | 123 |  |  | $ | 1,211 |
Liabilities: |  |  |  |  |  |  |
Interest rate and foreign exchange instruments | $ | — |  |  | $ | 134 |  |  | $ | — |  |  | $ | 134 |
Commodity contracts not subject to rate recovery | 7 |  |  | 3 |  |  | — |  |  | 10 |
Commodity contracts subject to rate recovery | 23 |  |  | 3 |  |  | 157 |  |  | 183 |
Effect of netting and allocation of collateral(2) | (23 | ) |  | — |  |  | — |  |  | (23 | )
Total | $ | 7 |  |  | $ | 140 |  |  | $ | 157 |  |  | $ | 304 |
| Fair value at December 31, 2017
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Nuclear decommissioning trusts: |  |  |  |  |  |  |
Equity securities | $ | 491 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 496 |
Debt securities: |  |  |  |  |  |  |
Debt securities issued by the U.S. Treasury and other |  |  |  |  |  |  |
U.S. government corporations and agencies | 45 |  |  | 9 |  |  | — |  |  | 54 |
Municipal bonds | — |  |  | 250 |  |  | — |  |  | 250 |
Other securities | — |  |  | 217 |  |  | — |  |  | 217 |
Total debt securities | 45 |  |  | 476 |  |  | — |  |  | 521 |
Total nuclear decommissioning trusts(1) | 536 |  |  | 481 |  |  | — |  |  | 1,017 |
Interest rate and foreign exchange instruments | — |  |  | 7 |  |  | — |  |  | 7 |
Commodity contracts not subject to rate recovery | 5 |  |  | 12 |  |  | — |  |  | 17 |
Effect of netting and allocation of collateral(2) | 2 |  |  | — |  |  | — |  |  | 2 |
Commodity contracts subject to rate recovery | — |  |  | 2 |  |  | 126 |  |  | 128 |
Effect of netting and allocation of collateral(2) | 12 |  |  | — |  |  | 5 |  |  | 17 |
Total | $ | 555 |  |  | $ | 502 |  |  | $ | 131 |  |  | $ | 1,188 |
Liabilities: |  |  |  |  |  |  |
Interest rate and foreign exchange instruments | $ | — |  |  | $ | 217 |  |  | $ | — |  |  | $ | 217 |
Commodity contracts not subject to rate recovery | — |  |  | 6 |  |  | — |  |  | 6 |
Commodity contracts subject to rate recovery | 23 |  |  | 7 |  |  | 154 |  |  | 184 |
Effect of netting and allocation of collateral(2) | (23 | ) |  | — |  |  | — |  |  | (23 | )
Total | $ | — |  |  | $ | 230 |  |  | $ | 154 |  |  | $ | 384 |
(1) | Excludes cash balances 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 March 31, 2018
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Nuclear decommissioning trusts: |  |  |  |  |  |  |
Equity securities | $ | 486 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 491 |
Debt securities: |  |  |  |  |  |  |
Debt securities issued by the U.S. Treasury and other |  |  |  |  |  |  |
U.S. government corporations and agencies | 35 |  |  | 9 |  |  | — |  |  | 44 |
Municipal bonds | — |  |  | 247 |  |  | — |  |  | 247 |
Other securities | — |  |  | 216 |  |  | — |  |  | 216 |
Total debt securities | 35 |  |  | 472 |  |  | — |  |  | 507 |
Total nuclear decommissioning trusts(1) | 521 |  |  | 477 |  |  | — |  |  | 998 |
Commodity contracts subject to rate recovery | — |  |  | — |  |  | 118 |  |  | 118 |
Effect of netting and allocation of collateral(2) | 7 |  |  | — |  |  | 5 |  |  | 12 |
Total | $ | 528 |  |  | $ | 477 |  |  | $ | 123 |  |  | $ | 1,128 |
Liabilities: |  |  |  |  |  |  |
Interest rate instruments | $ | — |  |  | $ | 9 |  |  | $ | — |  |  | $ | 9 |
Commodity contracts subject to rate recovery | 23 |  |  | 2 |  |  | 157 |  |  | 182 |
Effect of netting and allocation of collateral(2) | (23 | ) |  | — |  |  | — |  |  | (23 | )
Total | $ | — |  |  | $ | 11 |  |  | $ | 157 |  |  | $ | 168 |
| Fair value at December 31, 2017
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Nuclear decommissioning trusts: |  |  |  |  |  |  |
Equity securities | $ | 491 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 496 |
Debt securities: |  |  |  |  |  |  |
Debt securities issued by the U.S. Treasury and other |  |  |  |  |  |  |
U.S. government corporations and agencies | 45 |  |  | 9 |  |  | — |  |  | 54 |
Municipal bonds | — |  |  | 250 |  |  | — |  |  | 250 |
Other securities | — |  |  | 217 |  |  | — |  |  | 217 |
Total debt securities | 45 |  |  | 476 |  |  | — |  |  | 521 |
Total nuclear decommissioning trusts(1) | 536 |  |  | 481 |  |  | — |  |  | 1,017 |
Commodity contracts subject to rate recovery | — |  |  | — |  |  | 126 |  |  | 126 |
Effect of netting and allocation of collateral(2) | 11 |  |  | — |  |  | 5 |  |  | 16 |
Total | $ | 547 |  |  | $ | 481 |  |  | $ | 131 |  |  | $ | 1,159 |
Liabilities: |  |  |  |  |  |  |
Interest rate instruments | $ | — |  |  | $ | 13 |  |  | $ | — |  |  | $ | 13 |
Commodity contracts subject to rate recovery | 23 |  |  | 5 |  |  | 154 |  |  | 182 |
Effect of netting and allocation of collateral(2) | (23 | ) |  | — |  |  | — |  |  | (23 | )
Total | $ | — |  |  | $ | 18 |  |  | $ | 154 |  |  | $ | 172 |
(1) | Excludes cash balances 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 March 31, 2018
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Commodity contracts subject to rate recovery | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |
Effect of netting and allocation of collateral(1) | 2 |  |  | — |  |  | — |  |  | 2 |
Total | $ | 2 |  |  | $ | 2 |  |  | $ | — |  |  | $ | 4 |
Liabilities: |  |  |  |  |  |  |
Commodity contracts subject to rate recovery | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |
Total | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |
| Fair value at December 31, 2017
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Commodity contracts subject to rate recovery | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |
Effect of netting and allocation of collateral(1) | 1 |  |  | — |  |  | — |  |  | 1 |
Total | $ | 1 |  |  | $ | 2 |  |  | $ | — |  |  | $ | 3 |
Liabilities: |  |  |  |  |  |  |
Commodity contracts subject to rate recovery | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |
Total | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |
(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 following table 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 March 31,
| 2018 |  | 2017
Balance at January 1 | $ | (28 | ) |  | $ | (74 | )
Realized and unrealized gains (losses) | 4 |  |  | (13 | )
Allocated transmission instruments | 3 |  |  | — |
Settlements | (19 | ) |  | (9 | )
Balance at March 31 | $ | (40 | ) |  | $ | (96 | )
Change in unrealized losses relating to instruments still held at March 31 | $ | (8 | ) |  | $ | (16 | )
(1) Excludes the effect of contractual ability to settle contracts under master netting agreements.
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 at March 31, 2018 and December 31, 2017:
FAIR VALUE OF FINANCIAL INSTRUMENTS
(Dollars in millions)
| March 31, 2018
| Carrying amount |  | Fair value
|  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Sempra Energy Consolidated: |  |  |  |  |  |  |  |  |
Long-term amounts due from unconsolidated affiliates(1) | $ | 627 |  |  | $ | — |  |  | $ | 606 |  |  | $ | 41 |  |  | $ | 647 |
Long-term amounts due to unconsolidated affiliates(2) | 35 |  |  | — |  |  | 32 |  |  | — |  |  | 32 |
Total long-term debt(3)(4) | 22,063 |  |  | 790 |  |  | 21,254 |  |  | 456 |  |  | 22,500 |
SDG&E: |  |  |  |  |  |  |  |  |
Total long-term debt(4)(5) | $ | 4,848 |  |  | $ | — |  |  | $ | 4,892 |  |  | $ | 292 |  |  | $ | 5,184 |
SoCalGas: |  |  |  |  |  |  |  |  |
Total long-term debt(6) | $ | 3,009 |  |  | $ | — |  |  | $ | 3,102 |  |  | $ | — |  |  | $ | 3,102 |
| December 31, 2017
| Carrying amount |  | Fair value
|  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Sempra Energy Consolidated: |  |  |  |  |  |  |  |  |
Long-term amounts due from unconsolidated affiliates(1) | $ | 604 |  |  | $ | — |  |  | $ | 528 |  |  | $ | 96 |  |  | $ | 624 |
Long-term amounts due to unconsolidated affiliates(2) | 35 |  |  | — |  |  | 32 |  |  | — |  |  | 32 |
Total long-term debt(3)(4) | 17,138 |  |  | 817 |  |  | 17,134 |  |  | 458 |  |  | 18,409 |
SDG&E: |  |  |  |  |  |  |  |  |
Total long-term debt(4)(5) | $ | 4,868 |  |  | $ | — |  |  | $ | 5,073 |  |  | $ | 295 |  |  | $ | 5,368 |
SoCalGas: |  |  |  |  |  |  |  |  |
Total long-term debt(6) | $ | 3,009 |  |  | $ | — |  |  | $ | 3,192 |  |  | $ | — |  |  | $ | 3,192 |
(1) | Excluding accumulated interest outstanding of $35 million and $29 million at March 31, 2018 and December 31, 2017, respectively, and excluding foreign currency translation of $4 million and $35 million on a Mexican peso-denominated loan at March 31, 2018 and December 31, 2017, respectively.
(2) | Excluding negligible interest outstanding at March 31, 2018 and December 31, 2017.
(3) | Before reductions for unamortized discount (net of premium) and debt issuance costs of $206 million and $143 million at March 31, 2018 and December 31, 2017, respectively, and excluding build-to-suit and capital lease obligations of $877 million at both March 31, 2018 and December 31, 2017. We discuss our long-term debt in Note 7 above and in Note 5 of the Notes to Consolidated Financial Statements in the Annual Report.
(4) | Level 3 instruments include $292 million and $295 million at March 31, 2018 and December 31, 2017, respectively, related to Otay Mesa VIE.
(5) | Before reductions for unamortized discount and debt issuance costs of $45 million at both March 31, 2018 and December 31, 2017, and excluding capital lease obligations of $730 million and $732 million at March 31, 2018 and December 31, 2017, respectively.
(6) | Before reductions for unamortized discount and debt issuance costs of $24 million at both March 31, 2018 and December 31, 2017, and excluding capital lease obligations of $4 million and $1 million at March 31, 2018 and December 31, 2017, respectively.

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
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