SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA (Tables)
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12 Months Ended |
Dec. 31, 2015 |
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| Schedule Of Regulatory Balancing Accounts [Abstract] |
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| Schedule Of Regulatory Balancing Accounts |
| SUMMARY OF REGULATORY BALANCING ACCOUNTS AT DECEMBER 31 | | (Dollars in millions) | | | Sempra Energy | | | | | Consolidated | SDG&E | SoCalGas | | | 2015 | 2014 | 2015 | 2014 | 2015 | 2014 | | Current: | | | | | | | | | | | | | | Overcollected | $ | (1,200) | $ | (1,730) | $ | (756) | $ | (1,195) | $ | (444) | $ | (535) | | Undercollected | | 1,473 | | 2,476 | | 1,063 | | 1,906 | | 410 | | 570 | | Net current receivable (payable)(1) | | 273 | | 746 | | 307 | | 711 | | (34) | | 35 | | Noncurrent: | | | | | | | | | | | | | | Undercollected(2) | | 215 | | 173 | | ― | | ― | | 215 | | 173 | | Total net receivable | $ | 488 | $ | 919 | $ | 307 | $ | 711 | $ | 181 | $ | 208 | | (1) | At December 31, 2015, the net receivable at SDG&E and the net payable at SoCalGas are shown separately on Sempra Energy's Consolidated Balance Sheet. | | (2) | Long-term undercollected balance is included in Regulatory Assets (long-term) on Sempra Energy's Consolidated Balance Sheets and Other Regulatory Assets (long-term) on SoCalGas' Consolidated Balance Sheets. |
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| Schedule Of Regulatory Assets (Liabilities) [Abstract] |
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| Schedule of regulatory assets and liabilities |
| REGULATORY ASSETS (LIABILITIES) AT DECEMBER 31 | | (Dollars in millions) | | | 2015 | 2014 | | SDG&E: | | | | | | Fixed-price contracts and other derivatives | $ | 99 | $ | 76 | | Costs related to SONGS plant closure(1) | | 257 | | 308 | | Costs related to wildfire litigation | | 362 | | 373 | | Deferred taxes recoverable in rates | | 914 | | 824 | | Pension and other postretirement benefit plan obligations | | 180 | | 171 | | Removal obligations(2) | | (1,629) | | (1,557) | | Unamortized loss on reacquired debt | | 12 | | 12 | | Environmental costs | | 16 | | 27 | | Legacy meters(1) | | 32 | | 47 | | Sunrise Powerlink fire mitigation | | 117 | | 116 | | Other | | 9 | | 10 | | Total SDG&E | | 369 | | 407 | | SoCalGas: | | | | | | Pension and other postretirement benefit plan obligations | | 629 | | 613 | | Employee benefit costs | | 51 | | 52 | | Removal obligations(2) | | (1,145) | | (1,167) | | Deferred taxes recoverable in rates | | 330 | | 195 | | Unamortized loss on reacquired debt | | 11 | | 12 | | Environmental costs | | 22 | | 22 | | Workers’ compensation | | 13 | | 23 | | Total SoCalGas | | (89) | | (250) | | Other Sempra Energy: | | | | | | Sempra Natural Gas | | (7) | | (17) | | Sempra Mexico | | 33 | | 23 | | Total Other Sempra Energy | | 26 | | 6 | | Total Sempra Energy Consolidated | $ | 306 | $ | 163 | | (1) | Regulatory assets earning a rate of return. | | (2) | Represents cumulative amounts collected in rates for future nonlegal asset removal costs. |
| NET REGULATORY ASSETS (LIABILITIES) AS PRESENTED ON THE CONSOLIDATED BALANCE SHEETS AT DECEMBER 31 | | (Dollars in millions) | | | 2015 | | 2014 | | | Sempra | | | | Sempra | | | | | Energy | | | | Energy | | | | | Consolidated | SDG&E | SoCalGas | | Consolidated | SDG&E | SoCalGas | | Current regulatory assets(1) | $ | 115 | $ | 107 | $ | 7 | | $ | 59 | $ | 54 | $ | 5 | | Noncurrent regulatory assets(2) | | 3,058 | | 1,891 | | 1,120 | | | 2,858 | | 1,910 | | 916 | | Current regulatory liabilities(3) | | (2) | | ― | | ― | | | (7) | | ― | | ― | | Noncurrent regulatory liabilities(4) | | (2,865) | | (1,629) | | (1,216) | | | (2,747) | | (1,557) | | (1,171) | | Total | $ | 306 | $ | 369 | $ | (89) | | $ | 163 | $ | 407 | $ | (250) | | (1) | At Sempra Energy Consolidated, included in Other Current Assets. | | (2) | Excludes long-term undercollected balancing accounts at December 31, 2015 and 2014 of $215 million and $173 million, respectively, recorded at Sempra Energy Consolidated as Regulatory Assets (long-term) and at SoCalGas as Other Regulatory Assets (long-term). | | (3) | Included in Other Current Liabilities. | | (4) | At December 31, 2015 and 2014, $72 million and $6 million, respectively, at Sempra Energy Consolidated and $71 million and $4 million, respectively, at SoCalGas are included in Deferred Credits and Other. |
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| Schedule Of Receivables Collection Allowances [Abstract] |
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| Schedule Of Receivables Collection Allowances |
| COLLECTION ALLOWANCES | | (Dollars in millions) | | Years ended December 31, | | 2015 | 2014 | 2013 | | Sempra Energy Consolidated: | | | | | | | | Allowances for collection of receivables at January 1 | $ | 34 | $ | 29 | $ | 31 | | Provisions for uncollectible accounts | | 20 | | 25 | | 16 | | Write-offs of uncollectible accounts | | (22) | | (20) | | (18) | | Allowances for collection of receivables at December 31 | $ | 32 | $ | 34 | $ | 29 | | SDG&E: | | | | | | | | Allowances for collection of receivables at January 1 | $ | 7 | $ | 5 | $ | 6 | | Provisions for uncollectible accounts | | 7 | | 7 | | 4 | | Write-offs of uncollectible accounts | | (5) | | (5) | | (5) | | Allowances for collection of receivables at December 31 | $ | 9 | $ | 7 | $ | 5 | | SoCalGas: | | | | | | | | Allowances for collection of receivables at January 1 | $ | 17 | $ | 12 | $ | 14 | | Provisions for uncollectible accounts | | 11 | | 15 | | 7 | | Write-offs of uncollectible accounts | | (11) | | (10) | | (9) | | Allowances for collection of receivables at December 31 | $ | 17 | $ | 17 | $ | 12 |
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| Schedule Of Inventory Balances [Abstract] |
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| Schedule of inventory |
| INVENTORY BALANCES AT DECEMBER 31 | | (Dollars in millions) | | | Natural gas | | LNG | Materials and supplies | Total | | | 2015 | | 2014 | | 2015 | 2014 | 2015 | 2014 | 2015 | | 2014 | | SDG&E | $ | 6 | | $ | 8 | $ | ― | $ | ― | $ | 69 | $ | 65 | $ | 75 | | $ | 73 | | SoCalGas | | 49 | (1) | | 155 | | ― | | ― | | 30 | | 26 | | 79 | (1) | | 181 | | Sempra South American Utilities | | ― | | | ― | | ― | | ― | | 30 | | 33 | | 30 | | | 33 | | Sempra Mexico | | ― | | | ― | | 3 | | 9 | | 10 | | 9 | | 13 | | | 18 | | Sempra Renewables | | ― | | | ― | | ― | | ― | | 3 | | 2 | | 3 | | | 2 | | Sempra Natural Gas | | 94 | | | 83 | | 3 | | 5 | | 1 | | 1 | | 98 | | | 89 | | Sempra Energy Consolidated | $ | 149 | | $ | 246 | $ | 6 | $ | 14 | $ | 143 | $ | 136 | $ | 298 | | $ | 396 | | (1) | As of December 31, 2015, SoCalGas recorded an estimated inventory loss related to the Aliso Canyon natural gas leak of $11 million, included in Insurance Receivable for Aliso Canyon Costs on Sempra Energy's and SoCalGas' Consolidated Balance Sheets. See additional discussion about the Aliso Canyon natural gas storage facility leak in Note 15. |
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| Schedule Of Property Plant And Equipment By Major Functional Category [Abstract] |
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| Schedule Of Property Plant And Equipment By Major Functional Category |
| PROPERTY, PLANT AND EQUIPMENT BY MAJOR FUNCTIONAL CATEGORY | | (Dollars in millions) | | | Property, plant | | Depreciation rates for | | | and equipment at | | years ended | | | December 31, | | December 31, | | | 2015 | 2014 | | 2015 | 2014 | 2013 | | SDG&E: | | | | | | | | | | | | | Natural gas operations | $ | 1,642 | $ | 1,535 | | 2.52 | % | 2.72 | % | 2.35 | % | | Electric distribution | | 6,151 | | 5,795 | | 3.79 | | 3.79 | | 3.36 | | | Electric transmission(1) | | 4,870 | | 4,525 | | 2.62 | | 2.59 | | 2.58 | | | Electric generation(2) | | 1,891 | | 1,862 | | 3.89 | | 3.86 | | 3.76 | | | Other electric(3) | | 981 | | 851 | | 5.73 | | 7.09 | | 7.58 | | | Construction work in progress(1) | | 923 | | 910 | | NA | | NA | | NA | | | Total SDG&E | | 16,458 | | 15,478 | | | | | | | | | SoCalGas: | | | | | | | | | | | | | Natural gas operations(4) | | 13,241 | | 12,098 | | 3.83 | | 3.89 | | 3.70 | | | Other non-utility | | 110 | | 120 | | 3.95 | | 2.88 | | 1.56 | | | Construction work in progress | | 820 | | 668 | | NA | | NA | | NA | | | Total SoCalGas | | 14,171 | | 12,886 | | | | | | | | | | | | | | | | | | | | | | | | | | | Estimated | Weighted average | | Other operating units and parent(5): | | | | | | useful lives | useful life | | Land and land rights | | 289 | | 290 | | 26 to 55 years(6) | 40 | | Machinery and equipment: | | | | | | | | | | | | | Utility electric distribution operations | | 1,362 | | 1,434 | | 12 to 46 years | 43 | | Generating plants | | 782 | | 596 | | 5 to 80 years | 39 | | LNG terminals | | 1,124 | | 1,122 | | 5 to 43 years | 43 | | Pipelines and storage | | 2,311 | | 2,003 | | 3 to 55 years | 45 | | Other | | 233 | | 213 | | 1 to 50 years | 15 | | Construction work in progress | | 1,022 | | 1,053 | | NA | NA | | Other | | 448 | | 332 | | 2 to 80 years | 35 | | | 7,571 | | 7,043 | | | | | | | | | Total Sempra Energy Consolidated | $ | 38,200 | $ | 35,407 | | | | | | | | | (1) | At December 31, 2015, includes $374 million in electric transmission assets and $25 million in construction work in progress related to SDG&E's 91-percent interest in the Southwest Powerlink (SWPL) transmission line, jointly owned by SDG&E with other utilities. SDG&E, and each of the other owners, holds its undivided interest as a tenant in common in the property. Each owner is responsible for its share of the project and participates in decisions concerning operations and capital expenditures. | | (2) | Includes capital lease assets of $258 million and $243 million at December 31, 2015 and 2014, respectively, primarily related to variable interest entities of which SDG&E is not the primary beneficiary. | | (3) | Includes capital lease assets of $20 million and $19 million at December 31, 2015 and 2014, respectively. | | (4) | Includes capital lease assets of $30 million and $27 million at December 31, 2015 and 2014, respectively. | | (5) | The December 31, 2015 balances include $142 million, $204 million and $28 million and the December 31, 2014 balances include $150 million, $191 million and $24 million of utility plant, primarily pipelines and other distribution assets, at Ecogas, Mobile Gas and Willmut Gas, respectively. | | (6) | Estimated useful lives are for land rights. |
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| Schedule Of Accumulated Depreciation And Decommissioning Amounts [Abstract] |
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| Schedule Of Accumulated Depreciation And Decommissioning Amounts |
| ACCUMULATED DEPRECIATION | | (Dollars in millions) | | | December 31, | | | 2015 | 2014 | | SDG&E: | | | | | | Accumulated depreciation: | | | | | | Electric(1) | $ | 3,512 | $ | 3,192 | | Natural gas | | 690 | | 668 | | Total SDG&E | | 4,202 | | 3,860 | | SoCalGas: | | | | | | Accumulated depreciation of natural gas utility plant in service(2) | | 4,810 | | 4,555 | | Accumulated depreciation – other non-utility | | 90 | | 87 | | Total SoCalGas | | 4,900 | | 4,642 | | Other operating units and parent and other: | | | | | | Accumulated depreciation – other(3) | | 860 | | 824 | | Accumulated depreciation of utility electric distribution operations | | 199 | | 179 | | | | 1,059 | | 1,003 | | Total Sempra Energy Consolidated | $ | 10,161 | $ | 9,505 | | (1) | Includes accumulated depreciation for assets under capital lease of $34 million and $28 million at December 31, 2015 and 2014, respectively. Includes $224 million at December 31, 2015 related to SDG&E's 91-percent interest in the SWPL transmission line, jointly owned by SDG&E and other utilities. | | (2) | Includes accumulated depreciation for assets under capital lease of $29 million and $27 million at December 31, 2015 and 2014, respectively. | | (3) | The December 31, 2015 balances include $36 million, $35 million and $3 million and the December 31, 2014 balances include $37 million, $29 million and $2 million of accumulated depreciation for utility plant at Ecogas, Mobile Gas and Willmut Gas, respectively. |
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| Schedule Of Capitalized Financing Costs [Abstract] |
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| Schedule Of Capitalized Financing Costs |
| CAPITALIZED FINANCING COSTS | | (Dollars in millions) | | Years ended December 31, | | 2015 | 2014 | 2013 | | Sempra Energy Consolidated: | | | | | | | | AFUDC related to debt | $ | 26 | $ | 22 | $ | 22 | | AFUDC related to equity | | 107 | | 106 | | 75 | | Other capitalized interest | | 68 | | 39 | | 22 | | Total Sempra Energy Consolidated | $ | 201 | $ | 167 | $ | 119 | | SDG&E: | | | | | | | | AFUDC related to debt | $ | 14 | $ | 15 | $ | 16 | | AFUDC related to equity | | 37 | | 37 | | 39 | | Total SDG&E | $ | 51 | $ | 52 | $ | 55 | | SoCalGas: | | | | | | | | AFUDC related to debt | $ | 12 | $ | 7 | $ | 6 | | AFUDC related to equity | | 36 | | 26 | | 17 | | Other capitalized interest | | 1 | | 1 | | 1 | | Total SoCalGas | $ | 49 | $ | 34 | $ | 24 |
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| Schedule Of Goodwill [Abstract] |
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| Schedule Of Goodwill |
| GOODWILL | | | | | | | | | | (Dollars in millions) | | | | | | | | | | | | Sempra | | | | | | | | | South American | Sempra | | Sempra | | | | | | Utilities | | Mexico | | Natural Gas | | Total | | Balance at December 31, 2013 | $ | 927 | $ | 25 | $ | 72 | $ | 1,024 | | Foreign currency translation(1) | | (93) | | ― | | ― | | (93) | | Balance at December 31, 2014 | | 834 | | 25 | | 72 | | 931 | | Foreign currency translation(1) | | (112) | | ― | | ― | | (112) | | Balance at December 31, 2015 | $ | 722 | $ | 25 | $ | 72 | $ | 819 | | (1) | We record the offset of this fluctuation to other comprehensive income (loss). | | | |
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| Schedule Of Acquired Finite Lived Intangible Assets By Major Class [Abstract] |
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| Schedule Of Other Intangible Assets |
| OTHER INTANGIBLE ASSETS | | | | | | | (Dollars in millions) | | | | | | | Amortization period | December 31, | | (years) | 2015 | 2014 | | Storage rights | 46 | $ | 138 | $ | 138 | | Development rights | 50 | | 322 | | 322 | | Other | 10 years to indefinite | | 17 | | 18 | | | | 477 | | 478 | | Less accumulated amortization: | | | | | | | Storage rights | | | (22) | | (19) | | Development rights | | | (47) | | (40) | | Other | | | (4) | | (4) | | | | (73) | | (63) | | | $ | 404 | $ | 415 |
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| Schedule Of Variable Interest Entities [Abstract] |
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| Schedule Of Variable Interest Entities |
| AMOUNTS ASSOCIATED WITH OTAY MESA VIE | | (Dollars in millions) | | | | December 31, | | | | 2015 | 2014(1) | | Cash and cash equivalents | $ | 5 | $ | 5 | | Restricted cash | | | | | | 23 | | 8 | | Inventories | | 3 | | 3 | | Other | | ― | | 1 | | Total current assets | | 31 | | 17 | | Restricted cash | | | | | | ― | | 11 | | Property, plant and equipment, net | | 383 | | 410 | | Total assets | $ | 414 | $ | 438 | | | | | | | Current portion of long-term debt | $ | 10 | $ | 10 | | Fixed-price contracts and other derivatives | | 14 | | 16 | | Other | | 5 | | 3 | | Total current liabilities | | 29 | | 29 | | Long-term debt | | 303 | | 312 | | Fixed-price contracts and other derivatives | | 23 | | 31 | | Deferred credits and other | | 6 | | 6 | | Other noncontrolling interest | | 53 | | 60 | | Total liabilities and equity | $ | 414 | $ | 438 | | (1) | As adjusted for the retrospective adoption of ASU 2015-03, as we discuss in Note 2. | | | | | | | | | | | | | | | Years ended December 31, | | | | 2015 | 2014 | 2013 | | Operating expenses | | | | | | | | Cost of electric fuel and purchased power | $ | (83) | $ | (83) | $ | (91) | | Operation and maintenance | 19 | | 19 | | 24 | | Depreciation and amortization | | | | 26 | | 27 | | 28 | | Total operating expenses | | | | (38) | | (37) | | (39) | | Operating income | | | | 38 | | 37 | | 39 | | Interest expense | | | | (19) | | (17) | | (15) | | Income before income taxes/Net income | | 19 | | 20 | | 24 | | Earnings attributable to noncontrolling interest | | (19) | | (20) | | (24) | | Earnings attributable to common shares | $ | ― | $ | ― | $ | ― |
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| Schedule Of Changes In Asset Retirement Obligations [Abstract] |
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| Schedule Of Changes In Asset Retirement Obligations |
| CHANGES IN ASSET RETIREMENT OBLIGATIONS | | (Dollars in millions) | | | Sempra Energy | | | | | | | | | Consolidated | | SDG&E | | SoCalGas | | | 2015 | 2014 | | 2015 | 2014 | | 2015 | 2014 | | Balance as of January 1(1) | $ | 2,190 | $ | 2,152 | | $ | 873 | $ | 913 | | $ | 1,276 | $ | 1,199 | | Accretion expense | | 92 | | 97 | | | 40 | | 43 | | | 49 | | 52 | | Liabilities incurred | | 1 | | 4 | | | ― | | ― | | | ― | | ― | | Reclassification(2) | | ― | | (6) | | | ― | | ― | | | ― | | ― | | Payments(3) | | (80) | | (29) | | | (79) | | (29) | | | ― | | ― | | Net revisions, other(4) | | 52 | | (28) | | | (6) | | (54) | | | 58 | | 25 | | Balance at December 31(1) | $ | 2,255 | $ | 2,190 | | $ | 828 | $ | 873 | | $ | 1,383 | $ | 1,276 | | (1) | The current portions of the obligations are included in Other Current Liabilities on the Consolidated Balance Sheets. | | (2) | Reclassification to liability held for sale - asset retirement obligation which is included in Other Current Liabilities on the Consolidated Balance Sheet at December 31, 2014. | | (3) | The increased payments at SDG&E are for the decommissioning of San Onofre Nuclear Generating Station Units 2 and 3, which we discuss in Note 13. | | (4) | The increases at SoCalGas in 2015 and 2014 are related to revisions in estimated cash flows. The decrease in 2014 at SDG&E is due to revised estimates in an updated decommissioning cost study for the San Onofre Nuclear Generating Station, which we discuss in Note 13. | | | | | | | | | | | | | | | | |
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| Schedule Of Changes in Accumulated Other Comprehensive Income By Component [Abstract] |
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| Schedule Of Changes In Accumulated Other Comprehensive Income By Component |
| CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT(1) | | SEMPRA ENERGY CONSOLIDATED | | (Dollars in millions) | | | Foreign | | | Pension | Total | | | currency | | and other | accumulated other | | | translation | Financial | postretirement | comprehensive | | | adjustments | instruments | benefits | income (loss) | | Balance as of December 31, 2012 | $ | (240) | $ | (35) | $ | (101) | $ | (376) | | | | | | | | | | | | Other comprehensive (loss) income before | | | | | | | | | | reclassifications | | (159) | | 2 | | 20 | | (137) | | Amounts reclassified from accumulated other | | | | | | | | | | comprehensive income | | 270 | (2) | 7 | | 8 | | 285 | | Net other comprehensive income | | 111 | | 9 | | 28 | | 148 | | Balance as of December 31, 2013 | | (129) | | (26) | | (73) | | (228) | | | | | | | | | | | | Other comprehensive loss before | | | | | | | | | | reclassifications | | (193) | | (70) | | (26) | | (289) | | Amounts reclassified from accumulated other | | | | | | | | | | comprehensive income | | ― | | 6 | | 14 | | 20 | | Net other comprehensive loss | | (193) | | (64) | | (12) | | (269) | | Balance as of December 31, 2014 | | (322) | | (90) | | (85) | | (497) | | | | | | | | | | | | Other comprehensive loss before | | | | | | | | | | reclassifications | | (260) | | (57) | | (10) | | (327) | | Amounts reclassified from accumulated other | | | | | | | | | | comprehensive income | | ― | | 10 | | 8 | | 18 | | Net other comprehensive loss | | (260) | | (47) | | (2) | | (309) | | Balance as of December 31, 2015 | $ | (582) | $ | (137) | $ | (87) | $ | (806) | | (1) | All amounts are net of income tax, if subject to tax, and exclude noncontrolling interests. | | (2) | Represents cumulative foreign currency translation adjustment related to the impairment of our Argentine investments in 2006, which is substantially offset by an accrued liability established at that time. We provide additional information about these investments in Note 4. |
| CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT(1) | | SAN DIEGO GAS & ELECTRIC COMPANY | | (Dollars in millions) | | | Pension | | Total | | | and other | | accumulated other | | | postretirement | | comprehensive | | | benefits | | income (loss) | | Balance as of December 31, 2012 | $ | (11) | | $ | (11) | | | | | | | | | Amounts reclassified from accumulated other | | | | | | | comprehensive income | | 2 | | | 2 | | Net other comprehensive income | | 2 | | | 2 | | Balance as of December 31, 2013 | | (9) | | | (9) | | | | | | | | | Other comprehensive loss before | | | | | | | reclassifications | | (5) | | | (5) | | Amounts reclassified from accumulated other | | | | | | | comprehensive income | | 2 | | | 2 | | Net other comprehensive loss | | (3) | | | (3) | | Balance as of December 31, 2014 | | (12) | | | (12) | | | | | | | | | Other comprehensive income before | | | | | | | reclassifications | | 3 | | | 3 | | Amounts reclassified from accumulated other | | | | | | | comprehensive income | | 1 | | | 1 | | Net other comprehensive income | | 4 | | | 4 | | Balance as of December 31, 2015 | $ | (8) | | $ | (8) | | (1) | All amounts are net of income tax, if subject to tax, and exclude noncontrolling interests. |
| CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT(1) | | SOUTHERN CALIFORNIA GAS COMPANY | | (Dollars in millions) | | | | | Pension | Total | | | | and other | accumulated other | | | Financial | postretirement | comprehensive | | | instruments | benefits | income (loss) | | Balance as of December 31, 2012 | $ | (15) | $ | (3) | $ | (18) | | | | | | | | | | Other comprehensive loss before | | | | | | | | reclassifications | | ― | | (2) | | (2) | | Amounts reclassified from accumulated other | | | | | | | | comprehensive income | | 1 | | 1 | | 2 | | Net other comprehensive income (loss) | | 1 | | (1) | | ― | | Balance as of December 31, 2013 | | (14) | | (4) | | (18) | | | | | | | | | | Other comprehensive loss before | | | | | | | | reclassifications | | ― | | (3) | | (3) | | Amounts reclassified from accumulated other | | | | | | | | comprehensive income | | ― | | 3 | | 3 | | Net other comprehensive income | | ― | | ― | | ― | | Balance as of December 31, 2014 | | (14) | | (4) | | (18) | | | | | | | | | | Other comprehensive loss before | | | | | | | | reclassifications | | ― | | (1) | | (1) | | Net other comprehensive loss | | ― | | (1) | | (1) | | Balance as of December 31, 2015 | $ | (14) | $ | (5) | $ | (19) | | (1) | All amounts are net of income tax, if subject to tax, and exclude noncontrolling interests. |
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| Schedule Of Reclassifications Out Of Accumulated Other Comprehensive Income [Abstract] |
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| Schedule Of Reclassifications Out Of Accumulated Other Comprehensive Income |
| RECLASSIFICATIONS OUT OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | | (Dollars in millions) | | Details about accumulated | Amounts reclassified from accumulated other | | Affected line item | | other comprehensive income (loss) components | comprehensive income (loss) | | on Consolidated Statements of Operations | | | | Years ended December 31, | | | | | | | | | 2015 | 2014 | 2013 | | | | | | | Sempra Energy Consolidated: | | | | | | | | | | | | | Foreign currency translation adjustments | $ | ― | $ | ― | $ | 270 | | Equity Earnings, Net of Income Tax(1) | | | | | | | | | | | | | | | | Financial instruments: | | | | | | | | | | | | | Interest rate and foreign exchange instruments | $ | 18 | $ | 21 | $ | 11 | | Interest Expense | | Interest rate instruments | | ― | | (3) | | ― | | Gain on Sale of Equity Interests and Assets | | Interest rate instruments | | 12 | | 10 | | 10 | | Equity Earnings, Before Income Tax | | Interest rate instruments | | 13 | | ― | | ― | | Equity Earnings, Net of Income Tax | | Commodity contracts not subject to | | | | | | | | | | | | | rate recovery | | (14) | | (8) | | (1) | | Revenues: Energy-Related Businesses | | Total before income tax | | 29 | | 20 | | 20 | | | | | | | (4) | | (3) | | (4) | | Income Tax Expense | | Net of income tax | | 25 | | 17 | | 16 | | | | | | | (15) | | (11) | | (9) | | Earnings Attributable to Noncontrolling Interests | | | | $ | 10 | $ | 6 | $ | 7 | | | | | | | | | | | | | | | | | | | | | Pension and other postretirement benefits: | | | | | | | | | | | | | Net actuarial gain | $ | ― | $ | ― | $ | 3 | | See note (2) below | | Amortization of actuarial loss | | 14 | | 23 | | 10 | | See note (2) below | | Total before income tax | | 14 | | 23 | | 13 | | | | | | | (6) | | (9) | | (5) | | Income Tax Expense | | Net of income tax | $ | 8 | $ | 14 | $ | 8 | | | | | | | | | | | | | | | | | | Total reclassifications for the period, net of tax | $ | 18 | $ | 20 | $ | 285 | | | | | | | SDG&E: | | | | | | | | | | | | | Financial instruments: | | | | | | | | | | | | | Interest rate instruments | $ | 12 | $ | 11 | $ | 9 | | Interest Expense | | | | | (12) | | (11) | | (9) | | Earnings Attributable to Noncontrolling Interest | | | | $ | ― | $ | ― | $ | ― | | | | | | | | | | | | | | | | | | | | | Pension and other postretirement benefits: | | | | | | | | | | | | | Net actuarial gain | $ | ― | $ | ― | $ | 2 | | See note (2) below | | Amortization of actuarial loss | | 1 | | 3 | | 1 | | See note (2) below | | Total before income tax | | 1 | | 3 | | 3 | | | | | | | ― | | (1) | | (1) | | Income Tax Expense | | Net of income tax | $ | 1 | $ | 2 | $ | 2 | | | | | | | | | | | | | | | | | | Total reclassifications for the period, net of tax | $ | 1 | $ | 2 | $ | 2 | | | | | | | SoCalGas: | | | | | | | | | | | | | Financial instruments: | | | | | | | | | | | | | Interest rate instruments | $ | 1 | $ | 1 | $ | 1 | | Interest Expense | | | | | (1) | | (1) | | ― | | Income Tax Expense | | Net of income tax | $ | ― | $ | ― | $ | 1 | | | | | | | | | | | | | | | | | | | | | Pension and other postretirement benefits: | | | | | | | | | | | | | Amortization of actuarial loss | $ | ― | $ | 5 | $ | 1 | | See note (2) below | | Total before income tax | | ― | | 5 | | 1 | | | | | | | ― | | (2) | | ― | | Income Tax Expense | | Net of income tax | $ | ― | $ | 3 | $ | 1 | | | | | | | | | | | | | | | | | | | | | Total reclassifications for the period, net of tax | $ | ― | $ | 3 | $ | 2 | | | | | | | (1) | Represents cumulative foreign currency translation adjustment related to the impairment of our Argentine investments in 2006, which is substantially offset by an accrued liability established at that time. We provide additional information about these investments in Note 4. | | (2) | Amounts are included in the computation of net periodic benefit cost (see "Net Periodic Benefit Cost" in Note 7). |
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| Schedule Of Noncontrolling Interests [Abstract] |
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| Schedule Of Noncontrolling Interests |
| OTHER NONCONTROLLING INTERESTS | | | | (Dollars in millions) | | | | | Percent ownership held by others | | | | | | | | December 31, | | December 31, | | | 2015 | | 2014 | | 2015 | 2014 | | SDG&E: | | | | | | | | | | Otay Mesa VIE | 100 | % | 100 | % | $ | 53 | $ | 60 | | Sempra South American Utilities: | | | | | | | | | | Chilquinta Energía subsidiaries(1) | 23.5 - 43.4 | | 23.6 - 43.4 | | | 21 | | 23 | | Luz del Sur | 16.4 | | 16.4 | | | 164 | | 177 | | Tecsur | 9.8 | | 9.8 | | | 4 | | 4 | | Sempra Mexico: | | | | | | | | | | IEnova, S.A.B. de C.V. | 18.9 | | 18.9 | | | 468 | | 452 | | Sempra Natural Gas: | | | | | | | | | | Bay Gas Storage Company, Ltd. | 9.1 | | 9.1 | | | 25 | | 23 | | Liberty Gas Storage, LLC | 23.2 | | 25.0 | | | 14 | | 14 | | Southern Gas Transmission Company | 49.0 | | 49.0 | | | 1 | | 1 | | Total Sempra Energy | | | | | $ | 750 | $ | 754 | | (1) | Chilquinta Energía has four subsidiaries with noncontrolling interests held by others. Percentage range reflects the highest and lowest ownership percentages among these subsidiaries. |
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| Schedule Of Utilities Revenues [Abstract] |
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| Schedule Of Utilities Revenues |
| TOTAL UTILITIES REVENUES AT SEMPRA ENERGY CONSOLIDATED(1) | | (Dollars in millions) | | | Years ended December 31, | | | 2015 | 2014 | 2013 | | Electric revenues | $ | 5,158 | $ | 5,209 | $ | 4,911 | | Natural gas revenues | | 4,096 | | 4,549 | | 4,398 | | Total | $ | 9,254 | $ | 9,758 | $ | 9,309 | | (1) | Excludes intercompany revenues. | | | | | | |
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| Schedule Of Due To And From Affiliates [Abstract] |
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| Schedule Of Amounts Due To and From Affiliates at SDG&E and SoCalGas |
| AMOUNTS DUE FROM (TO) UNCONSOLIDATED AFFILIATES | | (Dollars in millions) | | | December 31, | | 2015 | 2014 | | Sempra Energy Consolidated: | | | | | | Total due from various unconsolidated affiliates - current | $ | 6 | $ | 38 | | | | | | | | Sempra South American Utilities(1): | | | | | | Eletrans S.A.: | | | | | | 4% Note(2) | $ | 72 | $ | 41 | | Sempra Mexico(1): | | | | | | Affiliate of joint venture with Petróleos Mexicanos(3) | | | | | | Note due November 13, 2017(4)(5) | | 3 | | 44 | | Note due November 14, 2018(4) | | 42 | | 40 | | Note due November 14, 2018(4) | | 34 | | 33 | | Note due November 14, 2018(4) | | 8 | | 8 | | Energía Sierra Juárez: | | | | | | Note due June 15, 2018(6) | | 24 | | 22 | | Sempra Natural Gas: | | | | | | Cameron LNG JV | | 3 | | ― | | Total due from unconsolidated affiliates - noncurrent | $ | 186 | $ | 188 | | | | | | | | Total due to various unconsolidated affiliates - current | $ | (14) | $ | (2) | | SDG&E: | | | | | | Total due from various unconsolidated affiliates - current | $ | 1 | $ | 1 | | | | | | | Sempra Energy | $ | (34) | $ | (17) | | SoCalGas | | (13) | | (4) | | Affiliate | | (8) | | ― | | Total due to unconsolidated affiliates - current | $ | (55) | $ | (21) | | | | | | | Income taxes due from Sempra Energy(7) | $ | 28 | $ | 16 | | SoCalGas: | | | | | | Sempra Energy(8) | $ | 35 | $ | ― | | SDG&E | | 13 | | 4 | | Total due from unconsolidated affiliates - current | $ | 48 | $ | 4 | | | | | | | | Sempra Energy | $ | ― | $ | (13) | | Total due to unconsolidated affiliate - current | $ | ― | $ | (13) | | | | | | | | Income taxes due from Sempra Energy(7) | $ | 1 | $ | 9 | | (1) | Amounts include principal balances plus accumulated interest outstanding. | | (2) | U.S. dollar-denominated loan, at a fixed interest rate with no stated maturity date, to provide project financing for the construction of transmission lines at Eletrans S.A., an affiliate of Chilquinta Energía. | | (3) | Petróleos Mexicanos (or PEMEX, the Mexican state-owned oil company). | | (4) | U.S. dollar-denominated loan, at a variable interest rate based on a 30-day LIBOR plus 450 basis points (4.93 percent at December 31, 2015), to finance the Los Ramones Norte pipeline project. | | (5) | In May 2015, $41 million was paid with proceeds from project financing at the affiliate. | | (6) | U.S. dollar-denominated loan, at a variable interest rate based on a 30-day LIBOR plus 637.5 basis points (6.80 percent at December 31, 2015), to finance the first phase of the Energía Sierra Juárez wind project. | | (7) | SDG&E and SoCalGas are included in the consolidated income tax return of Sempra Energy and are allocated income tax expense from Sempra Energy in an amount equal to that which would result from each company having always filed a separate return. | | (8) | Net receivable includes outstanding advances to Sempra Energy of $50 million at December 31, 2015 at an interest rate of 0.11 percent. |
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| Schedule Of Revenues From Affiliates [Abstract] |
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| Schedule Of Revenues From Unconsolidated Affiliates |
| REVENUES FROM UNCONSOLIDATED AFFILIATES | | (Dollars in millions) | | Years ended December 31, | | 2015 | 2014 | 2013 | | Sempra Energy Consolidated | $ | 26 | $ | 13 | $ | 4 | | SDG&E | | 10 | | 13 | | 12 | | SoCalGas | | 75 | | 69 | | 70 |
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| Schedule of Cost of Sales from Affiliates [Abstract] |
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| Schedule of Cost of Sales from Unconsolidated Affiliates |
| COST OF SALES FROM UNCONSOLIDATED AFFILIATES | | (Dollars in millions) | | Years ended December 31, | | 2015 | 2014 | 2013 | | Sempra Energy Consolidated | $ | 107 | $ | 78 | $ | 78 | | SDG&E | | 49 | | 17 | | 19 |
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| Schedule Of Other Income (Expense) [Abstract] |
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| Schedule Of Other Income (Expense) |
| OTHER INCOME, NET | | (Dollars in millions) | | Years ended December 31, | | 2015 | 2014 | 2013 | | Sempra Energy Consolidated: | | | | | | | | Allowance for equity funds used during construction | $ | 107 | $ | 106 | $ | 75 | | Investment gains(1) | | 3 | | 27 | | 39 | | Electrical infrastructure relocation income(2) | | 7 | | 21 | | 4 | | (Losses) gains on interest rate and foreign exchange instruments, net | | (4) | | (15) | | 17 | | Sale of other investments | | 11 | | 2 | | ― | | Foreign currency transaction losses | | (7) | | (15) | | (3) | | Regulatory interest, net(3) | | 3 | | 6 | | 5 | | Sundry, net | | 6 | | 5 | | 3 | | Total | $ | 126 | $ | 137 | $ | 140 | | SDG&E: | | | | | | | | Allowance for equity funds used during construction | $ | 37 | $ | 37 | $ | 39 | | Regulatory interest, net(3) | | 3 | | 6 | | 4 | | Sundry, net | | (4) | | (3) | | (3) | | Total | $ | 36 | $ | 40 | $ | 40 | | SoCalGas: | | | | | | | | Allowance for equity funds used during construction | $ | 36 | $ | 26 | $ | 17 | | Regulatory interest, net(3) | | ― | | ― | | 1 | | Sundry, net | | (6) | | (6) | | (7) | | Total | $ | 30 | $ | 20 | $ | 11 | | (1) | Represents investment gains on dedicated assets in support of our executive retirement and deferred compensation plans. These amounts are partially offset by corresponding changes in compensation expense related to the plans. | | (2) | Income at Luz del Sur associated with the relocation of electrical infrastructure. | | (3) | Interest on regulatory balancing accounts. |
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