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SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA (Tables) | 12 Months Ended
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Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Prior Period Adjustments | The following table summarizes the financial statement line items that were affected by this reclassification:
SEMPRA ENERGY – RECLASSIFICATION
(Dollars in millions) |  |
| Years ended December 31,
| 2017 |  | 2016
| As previously presented |  | As currently presented |  | As previously presented |  | As currently presented
Consolidated Statements of Operations: |  |  |  |  |  |  |
Equity earnings, before income tax | $ | 34 |  |  | $ | — |  |  | $ | 6 |  |  | $ | — |
Income before income taxes and equity earnings |  |  |  |  |  |  |
of certain unconsolidated subsidiaries | 1,585 |  |  | — |  |  | 1,830 |  |  | — |
Income before income taxes and equity earnings of |  |  |  |  |  |  |
unconsolidated entities | — |  |  | 1,551 |  |  | — |  |  | 1,824 |
Equity earnings, net of income tax | 42 |  |  | — |  |  | 78 |  |  | — |
Equity earnings | — |  |  | 76 |  |  | — |  |  | 84 |
Schedule of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported on the Consolidated Balance Sheets to the sum of such amounts reported on the Consolidated Statements of Cash Flows.
RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH |  |  |
(Dollars in millions)
| At December 31,
| 2018 |  | 2017
Sempra Energy Consolidated: |  |  |
Cash and cash equivalents | $ | 190 |  |  | $ | 288 |
Restricted cash, current | 35 |  |  | 62 |
Restricted cash, noncurrent | 21 |  |  | 14 |
Total cash, cash equivalents and restricted cash on the Consolidated Statements of Cash Flows | $ | 246 |  |  | $ | 364 |
SDG&E: |  |  |  |  |
Cash and cash equivalents | $ | 8 |  |  | $ | 12 |
Restricted cash, current | 11 |  |  | 6 |
Restricted cash, noncurrent | 18 |  |  | 11 |
Total cash, cash equivalents and restricted cash on the Consolidated Statements of Cash Flows | $ | 37 |  |  | $ | 29 |
Schedule Of Receivables Collection Allowances | We record allowances for the collection of trade and other accounts and notes receivable, which include allowances for doubtful customer accounts and for other receivables. We show the changes in these allowances in the table below:
COLLECTION ALLOWANCES
(Dollars in millions)
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Sempra Energy Consolidated: |  |  |  |  |
Allowances for collection of receivables at January 1 | $ | 33 |  |  | $ | 35 |  |  | $ | 32 |
Provisions for uncollectible accounts | 14 |  |  | 16 |  |  | 23 |
Write-offs of uncollectible accounts | (17 | ) |  | (18 | ) |  | (20 | )
Allowances for collection of receivables at December 31 | $ | 30 |  |  | $ | 33 |  |  | $ | 35 |
SDG&E: |  |  |  |  |  |  |  |
Allowances for collection of receivables at January 1 | $ | 9 |  |  | $ | 8 |  |  | $ | 9 |
Provisions for uncollectible accounts | 9 |  |  | 8 |  |  | 6 |
Write-offs of uncollectible accounts | (7 | ) |  | (7 | ) |  | (7 | )
Allowances for collection of receivables at December 31 | $ | 11 |  |  | $ | 9 |  |  | $ | 8 |
SoCalGas: |  |  |  |  |  |  |  |
Allowances for collection of receivables at January 1 | $ | 16 |  |  | $ | 21 |  |  | $ | 17 |
Provisions for uncollectible accounts | 1 |  |  | 4 |  |  | 14 |
Write-offs of uncollectible accounts | (7 | ) |  | (9 | ) |  | (10 | )
Allowances for collection of receivables at December 31 | $ | 10 |  |  | $ | 16 |  |  | $ | 21 |
Schedule of Inventory | The components of inventories by segment are as follows:
INVENTORY BALANCES AT DECEMBER 31
(Dollars in millions)
| Natural gas |  | LNG |  | Materials and supplies |  | Total
| 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017
SDG&E | $ | — |  |  | $ | 4 |  |  | $ | — |  |  | $ | — |  |  | $ | 102 |  |  | $ | 101 |  |  | $ | 102 |  |  | $ | 105 |
SoCalGas | 92 |  |  | 75 |  |  | — |  |  | — |  |  | 42 |  |  | 49 |  |  | 134 |  |  | 124 |
Sempra South American Utilities | — |  |  | — |  |  | — |  |  | — |  |  | 38 |  |  | 30 |  |  | 38 |  |  | 30 |
Sempra Mexico | — |  |  | — |  |  | 4 |  |  | 7 |  |  | 15 |  |  | 2 |  |  | 19 |  |  | 9 |
Sempra Renewables | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 5 |  |  | — |  |  | 5 |
Sempra LNG & Midstream | 3 |  |  | 30 |  |  | — |  |  | 4 |  |  | — |  |  | — |  |  | 3 |  |  | 34 |
Sempra Energy Consolidated | $ | 95 |  |  | $ | 109 |  |  | $ | 4 |  |  | $ | 11 |  |  | $ | 197 |  |  | $ | 187 |  |  | $ | 296 |  |  | $ | 307 |
Schedule of Property, Plant and Equipment |
PROPERTY, PLANT AND EQUIPMENT BY MAJOR FUNCTIONAL CATEGORY |
(Dollars in millions) |
| PP&E at December 31, |  | Depreciation rates for years ended December 31, |
| 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2016 |
SDG&E: |  |  |  |  |  |  |  |  |  |
Natural gas operations | $ | 2,382 |  |  | $ | 2,186 |  |  | 2.44 | % |  | 2.40 | % |  | 2.40 | % |
Electric distribution | 7,462 |  |  | 6,975 |  |  | 3.91 |  |  | 3.92 |  |  | 3.86 |  |
Electric transmission(1) | 6,222 |  |  | 5,626 |  |  | 2.76 |  |  | 2.71 |  |  | 2.66 |  |
Electric generation(2) | 2,967 |  |  | 2,435 |  |  | 4.12 |  |  | 4.05 |  |  | 4.00 |  |
Other electric(3) | 1,408 |  |  | 1,114 |  |  | 6.43 |  |  | 5.54 |  |  | 5.66 |  |
Construction work in progress(1) | 1,221 |  |  | 1,451 |  |  | NA |  |  | NA |  |  | NA |  |
Total SDG&E | 21,662 |  |  | 19,787 |  |  |  |  |  |  |  |  |  |  |
SoCalGas: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Natural gas operations(4) | 17,268 |  |  | 15,759 |  |  | 3.60 |  |  | 3.63 |  |  | 3.64 |  |
Other non-utility | 34 |  |  | 32 |  |  | 5.39 |  |  | 5.28 |  |  | 6.55 |  |
Construction work in progress | 836 |  |  | 981 |  |  | NA |  |  | NA |  |  | NA |  |
Total SoCalGas | 18,138 |  |  | 16,772 |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  | Estimated | Weighted-average
Other operating units and parent(5): |  |  |  |  |  |  | useful lives | useful life
Land and land rights | 429 |  |  | 416 |  |  | 16 to 50 years(6) | 30
Machinery and equipment: |  |  |  |  |  |  |  |  |  |  |  |  |
Utility electric distribution operations | 1,977 |  |  | 1,751 |  |  | 10 to 45 years | 41
Generating plants | 1,051 |  |  | 2,242 |  |  | 5 to 100 years | 30
LNG terminals | 1,134 |  |  | 1,133 |  |  | 43 years | 43
Pipelines and storage | 3,413 |  |  | 4,408 |  |  | 5 to 50 years | 41
Other | 205 |  |  | 269 |  |  | 1 to 50 years | 7
Construction work in progress | 684 |  |  | 691 |  |  | NA | NA
Other(7) | 622 |  |  | 639 |  |  | 3 to 80 years | 31
| 9,515 |  |  | 11,549 |  |  |  |  |  |  |  |  |
Total Sempra Energy Consolidated | $ | 49,315 |  |  | $ | 48,108 |  |  |  |  |  |  |  |  |
(1) | At December 31, 2018, includes $457 million in electric transmission assets and $26 million in construction work in progress related to SDG&E’s 92-percent interest in the Southwest Powerlink 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. SDG&E’s share of operating expenses is included in Sempra Energy’s and SDG&E’s Consolidated Statements of Operations.
(2) | Includes capital lease assets of $1.3 billion and $757 million at December 31, 2018 and 2017, respectively.
(3) | Includes capital lease assets of $13 million and $22 million at December 31, 2018 and 2017, respectively.
(4) | Includes capital lease assets of $40 million and $34 million at December 31, 2018 and 2017, respectively.
(5) | Includes $154 million and $145 million at December 31, 2018 and 2017, respectively, of utility plant, primarily pipelines and other distribution assets at Ecogas.
(6) | Estimated useful lives are for land rights.
(7) | Includes capital lease assets of $136 million and associated leasehold improvements of $24 million at both December 31, 2018 and 2017 related to a build-to-suit lease.
DEPRECIATION EXPENSE
(Dollars in millions)
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Sempra Energy Consolidated | $ | 1,528 |  |  | $ | 1,422 |  |  | $ | 1,236 |
SDG&E | 686 |  |  | 621 |  |  | 583 |
SoCalGas | 553 |  |  | 514 |  |  | 474 |
ACCUMULATED DEPRECIATION
(Dollars in millions)
| December 31,
| 2018 |  | 2017
SDG&E: |  |  |
Accumulated depreciation: |  |  |
Electric(1) | $ | 4,558 |  |  | $ | 4,193 |
Natural gas | 794 |  |  | 756 |
Total SDG&E | 5,352 |  |  | 4,949 |
SoCalGas: |  |  |  |  |
Accumulated depreciation of natural gas utility plant in service(2) | 5,685 |  |  | 5,352 |
Accumulated depreciation – other non-utility | 14 |  |  | 14 |
Total SoCalGas | 5,699 |  |  | 5,366 |
Other operating units and parent and other: |  |  |  |  |
Accumulated depreciation – other(3) | 1,125 |  |  | 972 |
Accumulated depreciation of utility electric distribution operations | 343 |  |  | 318 |
| 1,468 |  |  | 1,290 |
Total Sempra Energy Consolidated | $ | 12,519 |  |  | $ | 11,605 |
(1) | Includes accumulated depreciation for capital lease assets of $48 million and $47 million at December 31, 2018 and 2017, respectively. Includes $252 million at December 31, 2018 related to SDG&E’s 92-percent interest in the Southwest Powerlink transmission line, jointly owned by SDG&E and other utilities.
(2) | Includes accumulated depreciation for capital lease assets of $37 million and $33 million at December 31, 2018 and 2017, respectively.
(3) Includes accumulated depreciation for capital lease assets of $10 million and $7 million and for associated leasehold improvements of $3 million and $2 million at December 31, 2018 and 2017, respectively, related to a build-to-suit lease. Includes $43 million and $39 million at December 31, 2018 and 2017, respectively, of accumulated depreciation for utility plant at Ecogas.
Schedule Of Capitalized Financing Costs | Interest capitalized and AFUDC are as follows:
CAPITALIZED FINANCING COSTS
(Dollars in millions)
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Sempra Energy Consolidated | $ | 202 |  |  | $ | 256 |  |  | $ | 236 |
SDG&E | 82 |  |  | 85 |  |  | 62 |
SoCalGas | 48 |  |  | 60 |  |  | 55 |
Schedule Of Goodwill | Changes in the carrying amount of goodwill on the Sempra Energy Consolidated Balance Sheets are as follows:
GOODWILL |  |  |  |  |
(Dollars in millions) |  |  |  |  |
| Sempra South American Utilities |  | Sempra Mexico |  | Total
Balance at December 31, 2016 | $ | 749 |  |  | $ | 1,615 |  |  | $ | 2,364 |
Acquisition of business – measurement period adjustment | — |  |  | (13 | ) |  | (13 | )
Foreign currency translation(1) | 46 |  |  | — |  |  | 46 |
Balance at December 31, 2017 | 795 |  |  | 1,602 |  |  | 2,397 |
Acquisition of business | 38 |  |  | — |  |  | 38 |
Foreign currency translation(1) | (62 | ) |  | — |  |  | (62 | )
Balance at December 31, 2018 | $ | 771 |  |  | $ | 1,602 |  |  | $ | 2,373 |
(1) We record the offset of this fluctuation to OCI.
Schedule Of Other Intangible Assets | Other Intangible Assets included on the Sempra Energy Consolidated Balance Sheets are as follows:
OTHER INTANGIBLE ASSETS |  |  |  |  |
(Dollars in millions) |  |  |  |  |
| Amortization period (years) |  | December 31,
|  | 2018 |  | 2017
Development rights | 50 |  | $ | — |  |  | $ | 322 |
Renewable energy transmission and consumption permit | 19 |  | 154 |  |  | 154 |
Storage rights | 46 |  | — |  |  | 138 |
O&M agreement | 23 |  | 66 |  |  | 66 |
Concession permits | Indefinite |  | 50 |  |  | — |
Other | 10 years to indefinite |  | 28 |  |  | 18 |
|  |  | 298 |  |  | 698 |
Less accumulated amortization: |  |  |  |  |  |  |
Development rights |  |  | — |  |  | (60 | )
Renewable energy transmission and consumption permit |  |  | (16 | ) |  | (8 | )
Storage rights |  |  | — |  |  | (28 | )
O&M agreement |  |  | (3 | ) |  | — |
Other |  |  | (7 | ) |  | (6 | )
|  |  | (26 | ) |  | (102 | )
|  |  | $ | 272 |  |  | $ | 596 |
Schedule Of Variable Interest Entities |
AMOUNTS ASSOCIATED WITH TAX EQUITY ARRANGEMENTS |
(Dollars in millions) |
| December 31,
| 2018 | 2017
Cash and cash equivalents | $ | 7 |  | $ | 23 |
Accounts receivable – trade, net | 2 |  | 5 |
Inventories | — |  | 1 |
Other | 1 |  | 1 |
Total current assets | 10 |  | 30 |
Sundry | — |  | 2 |
Property, plant and equipment, net | 286 |  | 1,412 |
Total assets | 296 |  | 1,444 |
Accounts payable | 2 |  | 42 |
Other | 1 |  | 1 |
Total current liabilities | 3 |  | 43 |
Asset retirement obligations | 6 |  | 40 |
Deferred income taxes | 7 |  | 10 |
Deferred credits and other | — |  | 1 |
Total liabilities | 16 |  | 94 |
Other noncontrolling interests | 158 |  | 631 |
Net assets less other noncontrolling interests | $ | 122 |  | $ | 719 |
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
REVENUES |  |  |  |  |
Energy-related businesses | $ | 92 |  |  | $ | 61 |  |  | $ | 2 |
EXPENSES |  |  |  |  |
Operation and maintenance | (16 | ) |  | (9 | ) |  | (1 | )
Depreciation and amortization | (47 | ) |  | (32 | ) |  | — |
Income before income taxes | 29 |  |  | 20 |  |  | 1 |
Income tax expense | (18 | ) |  | (4 | ) |  | — |
Net income | 11 |  |  | 16 |  |  | 1 |
Losses attributable to noncontrolling interests(1) | 58 |  |  | 23 |  |  | 4 |
Earnings | $ | 69 |  |  | $ | 39 |  |  | $ | 5 |
(1) Net income or loss attributable to NCI is computed using the HLBV method and is not based on ownership percentages.The Consolidated Financial Statements of Sempra Energy and SDG&E include the following amounts associated with Otay Mesa VIE. The amounts are net of eliminations of transactions between SDG&E and Otay Mesa VIE. The captions in the tables below correspond to SDG&E’s Consolidated Balance Sheets and Consolidated Statements of Operations.
AMOUNTS ASSOCIATED WITH OTAY MESA VIE
(Dollars in millions)
| December 31,
| 2018 |  | 2017
Cash and cash equivalents | $ | — |  |  | $ | 4 |
Restricted cash | 11 |  |  | 6 |
Inventories | 4 |  |  | 4 |
Other | 2 |  |  | 1 |
Total current assets | 17 |  |  | 15 |
Restricted cash | 18 |  |  | 11 |
Property, plant and equipment, net | 295 |  |  | 321 |
Total assets | $ | 330 |  |  | $ | 347 |
Current portion of long-term debt | $ | 28 |  |  | $ | 10 |
Fixed-price contracts and other derivatives | 1 |  |  | 10 |
Other | 3 |  |  | 5 |
Total current liabilities | 32 |  |  | 25 |
Long-term debt | 190 |  |  | 284 |
Fixed-price contracts and other derivatives | — |  |  | 3 |
Deferred credits and other | 8 |  |  | 7 |
Noncontrolling interest | 100 |  |  | 28 |
Total liabilities and equity | $ | 330 |  |  | $ | 347 |
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Operating expenses |  |  |  |  |
Cost of electric fuel and purchased power | $ | (75 | ) |  | $ | (79 | ) |  | $ | (79 | )
Operation and maintenance | 17 |  |  | 17 |  |  | 29 |
Depreciation and amortization | 30 |  |  | 28 |  |  | 35 |
Total operating expenses | (28 | ) |  | (34 | ) |  | (15 | )
Operating income | 28 |  |  | 34 |  |  | 15 |
Other income | 2 |  |  | 2 |  |  | — |
Interest expense | (23 | ) |  | (22 | ) |  | (20 | )
Income (loss) before income taxes/Net income (loss) | 7 |  |  | 14 |  |  | (5 | )
(Earnings) losses attributable to noncontrolling interest | (7 | ) |  | (14 | ) |  | 5 |
Earnings attributable to common shares | $ | — |  |  | $ | — |  |  | $ | — |
Schedule Of Asset Retirement Obligations | The changes in ARO are as follows:
CHANGES IN ASSET RETIREMENT OBLIGATIONS
(Dollars in millions)
| Sempra Energy Consolidated |  | SDG&E |  | SoCalGas
| 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017
Balance as of January 1(1) | $ | 2,877 |  |  | $ | 2,553 |  |  | $ | 839 |  |  | $ | 830 |  |  | $ | 1,953 |  |  | $ | 1,659 |
Accretion expense | 121 |  |  | 109 |  |  | 39 |  |  | 39 |  |  | 78 |  |  | 66 |
Liabilities incurred | 7 |  |  | 34 |  |  | — |  |  | 17 |  |  | — |  |  | — |
Deconsolidation and reclassification(2) | (61 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Payments | (42 | ) |  | (63 | ) |  | (39 | ) |  | (61 | ) |  | (3 | ) |  | (2 | )
Revisions(3) | 71 |  |  | 244 |  |  | 35 |  |  | 14 |  |  | 35 |  |  | 230 |
Balance at December 31(1) | $ | 2,973 |  |  | $ | 2,877 |  |  | $ | 874 |  |  | $ | 839 |  |  | $ | 2,063 |  |  | $ | 1,953 |
(1) | Current portion of the ARO for Sempra Energy Consolidated is included in Other Current Liabilities on the Consolidated Balance Sheets.
(2) | In 2018, we reclassified $6 million at Sempra Renewables and $8 million at Sempra LNG & Midstream to Liabilities Held for Sale, and $5 million related to TdM from Liabilities Held for Sale, and deconsolidated $52 million at Sempra Renewables, as we discuss in Note 5.
(3) In 2017, revised estimates were primarily related to underground natural gas storage facilities and wells at SoCalGas.
Schedule Of Changes In Accumulated Other Comprehensive Income By Component | The following tables present the changes in AOCI by component and amounts reclassified out of AOCI to net income, excluding amounts attributable to NCI:
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT(1)
(Dollars in millions)
| Foreign currency translation adjustments | Financial instruments |  | Pension and other postretirement benefits |  | Total accumulated other comprehensive income (loss)
Sempra Energy Consolidated: |  |  |  |  |  |  |
Balance as of December 31, 2015 | $ | (582 | ) |  | $ | (137 | ) |  | $ | (87 | ) |  | $ | (806 | )
OCI before reclassifications | 42 |  |  | (7 | ) |  | (15 | ) |  | 20 |
Amounts reclassified from AOCI(2) | 13 |  |  | 19 |  |  | 6 |  |  | 38 |
Net OCI | 55 |  |  | 12 |  |  | (9 | ) |  | 58 |
Balance as of December 31, 2016 | (527 | ) |  | (125 | ) |  | (96 | ) |  | (748 | )
OCI before reclassifications | 107 |  |  | (4 | ) |  | — |  |  | 103 |
Amounts reclassified from AOCI | — |  |  | 7 |  |  | 12 |  |  | 19 |
Net OCI | 107 |  |  | 3 |  |  | 12 |  |  | 122 |
Balance as of December 31, 2017 | (420 | ) |  | (122 | ) |  | (84 | ) |  | (626 | )
Cumulative-effect adjustment from change in accounting principle(3) | — |  |  | (3 | ) |  | — |  |  | (3 | )
OCI before reclassifications | (144 | ) |  | 40 |  |  | (52 | ) |  | (156 | )
Amounts reclassified from AOCI | — |  |  | 3 |  |  | 18 |  |  | 21 |
Net OCI | (144 | ) |  | 43 |  |  | (34 | ) |  | (135 | )
Balance as of December 31, 2018 | $ | (564 | ) |  | $ | (82 | ) |  | $ | (118 | ) |  | $ | (764 | )
SDG&E: |  |  |  |  |  |  |
Balance as of December 31, 2015 |  |  |  |  |  |  | $ | (8 | ) |  | $ | (8 | )
OCI before reclassifications |  |  |  |  |  |  | (1 | ) |  | (1 | )
Amounts reclassified from AOCI |  |  |  |  |  |  | 1 |  |  | 1 |
Net OCI |  |  |  |  |  |  | — |  |  | — |
Balance as of December 31, 2016 |  |  |  |  |  |  | (8 | ) |  | (8 | )
OCI before reclassifications |  |  |  |  |  |  | (1 | ) |  | (1 | )
Amounts reclassified from AOCI |  |  |  |  |  |  | 1 |  |  | 1 |
Net OCI |  |  |  |  |  |  | — |  |  | — |
Balance as of December 31, 2017 |  |  |  |  |  |  | (8 | ) |  | (8 | )
OCI before reclassifications |  |  |  |  |  |  | (6 | ) |  | (6 | )
Amounts reclassified from AOCI |  |  |  |  |  |  | 4 |  |  | 4 |
Net OCI |  |  |  |  |  |  | (2 | ) |  | (2 | )
Balance as of December 31, 2018 |  |  |  |  |  |  | $ | (10 | ) |  | $ | (10 | )
SoCalGas: |  |  |  |  |  |  |
Balance as of December 31, 2015 |  |  |  | $ | (14 | ) |  | $ | (5 | ) |  | $ | (19 | )
OCI before reclassifications |  |  |  | — |  |  | (4 | ) |  | (4 | )
Amounts reclassified from AOCI |  |  | 1 |  |  | — |  |  | 1 |
Net OCI |  |  |  | 1 |  |  | (4 | ) |  | (3 | )
Balance as of December 31, 2016 |  |  |  | (13 | ) |  | (9 | ) |  | (22 | )
Amounts reclassified from AOCI |  |  | — |  |  | 1 |  |  | 1 |
Net OCI |  |  |  | — |  |  | 1 |  |  | 1 |
Balance as of December 31, 2017 |  |  |  | (13 | ) |  | (8 | ) |  | (21 | )
OCI before reclassifications |  |  |  | — |  |  | (1 | ) |  | (1 | )
Amounts reclassified from AOCI |  |  |  | 1 |  |  | 1 |  |  | 2 |
Net OCI |  |  |  | 1 |  |  | — |  |  | 1 |
Balance as of December 31, 2018 |  |  |  | $ | (12 | ) |  | $ | (8 | ) |  | $ | (20 | )
(1) | All amounts are net of income tax, if subject to tax, and exclude NCI.
(2) | Total AOCI includes $20 million associated with the October 2016 sale of NCI, discussed below in “Sale of Noncontrolling Interests – Sempra Mexico – Follow-On Offerings,” which does not impact the Consolidated Statement of Comprehensive Income.
(3) Represents impact from adoption of ASU 2017-12, which we discuss in Note 2.
Schedule Of Reclassifications Out Of Accumulated Other Comprehensive Income |
RECLASSIFICATIONS OUT OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
(Dollars in millions)
Details about accumulated other comprehensive income (loss) components | Amounts reclassified from accumulated other comprehensive income (loss) |  | Affected line item on Consolidated Statements of Operations
| Years ended December 31, |  |
| 2018 |  | 2017 |  | 2016 |  |
Sempra Energy Consolidated: |  |  |  |  |  |  |
Financial instruments: |  |  |  |  |  |  |  |  |  |
Interest rate and foreign exchange instruments(1) | $ | — |  |  | $ | (4 | ) |  | $ | 17 |  |  | Interest Expense
| (2 | ) |  | — |  |  | — |  |  | Other Income, Net
Interest rate instruments | 9 |  |  | — |  |  | — |  |  | Gain on Sale of Assets
Interest rate and foreign exchange instruments | 7 |  |  | 20 |  |  | 15 |  |  | Equity Earnings
Interest rate and foreign exchange instruments | — |  |  | — |  |  | 7 |  |  | Remeasurement of Equity Method Investment
Foreign exchange instruments | (1 | ) |  | (2 | ) |  | — |  |  | Revenues: Energy-Related Businesses
Commodity contracts not subject to rate recovery | — |  |  | 9 |  |  | (6 | ) |  | Revenues: Energy-Related Businesses
Total before income tax | 13 |  |  | 23 |  |  | 33 |  |  |
| (4 | ) |  | (6 | ) |  | (6 | ) |  | Income Tax Expense
Net of income tax | 9 |  |  | 17 |  |  | 27 |  |  |
| (6 | ) |  | (10 | ) |  | (15 | ) |  | Earnings Attributable to Noncontrolling Interests
| $ | 3 |  |  | $ | 7 |  |  | $ | 12 |  |  |
Pension and other postretirement benefits: |  |  |  |  |  |  |  |  |
Amortization of actuarial loss(2) | $ | 12 |  |  | $ | 10 |  |  | $ | 10 |  |  | Other Income, Net
Amortization of prior service cost(2) | 2 |  |  | 1 |  |  | 1 |  |  | Other Income, Net
Settlements(2) | 12 |  |  | 8 |  |  | — |  |  | Other Income, Net
Total before income tax | 26 |  |  | 19 |  |  | 11 |  |  |
| (8 | ) |  | (7 | ) |  | (5 | ) |  | Income Tax Expense
Net of income tax | $ | 18 |  |  | $ | 12 |  |  | $ | 6 |  |  |
Total reclassifications for the period, net of tax | $ | 21 |  |  | $ | 19 |  |  | $ | 18 |  |  |
SDG&E: |  |  |  |  |  |  |  |  |  |
Financial instruments: |  |  |  |  |  |  |  |  |  |
Interest rate instruments(1) | $ | 7 |  |  | $ | 13 |  |  | $ | 12 |  |  | Interest Expense
| (7 | ) |  | (13 | ) |  | (12 | ) |  | (Earnings) Losses Attributable to Noncontrolling Interest
| $ | — |  |  | $ | — |  |  | $ | — |  |  |
Pension and other postretirement benefits: |  |  |  |  |  |  |  |  |  |
Amortization of actuarial loss(2) | $ | 1 |  |  | $ | 1 |  |  | $ | 1 |  |  | Other Income, Net
Settlements(2) | 4 |  |  | — |  |  | — |  |  | Other Income, Net
Total before income tax | 5 |  |  | 1 |  |  | 1 |  |  |
| (1 | ) |  | — |  |  | — |  |  | Income Tax Expense
Net of income tax | $ | 4 |  |  | $ | 1 |  |  | $ | 1 |  |  |
Total reclassifications for the period, net of tax | $ | 4 |  |  | $ | 1 |  |  | $ | 1 |  |  |
SoCalGas: |  |  |  |  |  |  |  |  |  |
Financial instruments: |  |  |  |  |  |  |  |  |  |
Interest rate instruments | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |  | Interest Expense
Pension and other postretirement benefits: |  |  |  |  |  |  |  |  |  |
Amortization of prior service cost(2) | $ | 1 |  |  | $ | 1 |  |  | $ | — |  |  | Other Income, Net
Total reclassifications for the period, net of tax | $ | 2 |  |  | $ | 1 |  |  | $ | 1 |  |  |
(1) | Amounts include Otay Mesa VIE. All of SDG&E’s interest rate derivative activity relates to Otay Mesa VIE.
(2) Amounts are included in the computation of net periodic benefit cost (see “Net Periodic Benefit Cost” in Note 9).
Schedule Of Noncontrolling Interests | The following table provides information about noncontrolling ownership interests held by others (not including preferred shareholders) recorded in Other Noncontrolling Interests in Total Equity on Sempra Energy’s Consolidated Balance Sheets:
OTHER NONCONTROLLING INTERESTS |  |
(Dollars in millions) |  |
| Percent ownership held by noncontrolling interests |  | Equity (deficit) held by noncontrolling interests
| December 31, |  | December 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
SDG&E: |  |  |  |  |  |  |
Otay Mesa VIE | 100 | % |  | 100 | % |  | $ | 100 |  |  | $ | 28 |
Sempra South American Utilities: |  |  |  |  |  |  |  |  |  |  |
Chilquinta Energía subsidiaries(1) | 19.7 - 43.4 |  |  | 22.9 - 43.4 |  |  | 23 |  |  | 24 |
Luz del Sur | 16.4 |  |  | 16.4 |  |  | 193 |  |  | 189 |
Tecsur | 9.8 |  |  | 9.8 |  |  | 4 |  |  | 4 |
Sempra Mexico: |  |  |  |  |  |  |  |  |  |  |
IEnova(2)(3) | 33.5 |  |  | 33.6 |  |  | 1,605 |  |  | 1,532 |
Sempra Renewables: |  |  |  |  |  |  |
Tax equity arrangements – wind(4) | NA |  |  | NA |  |  | 158 |  |  | 181 |
Tax equity arrangements – solar(4) | — |  |  | NA |  |  | — |  |  | 450 |
PXiSE Energy Solutions, LLC | 11.1 |  |  | — |  |  | 1 |  |  | — |
Sempra LNG & Midstream: |  |  |  |  |  |  |  |  |  |  |
Bay Gas | 9.1 |  |  | 9.1 |  |  | 18 |  |  | 28 |
Liberty Gas Storage, LLC | 24.6 |  |  | 24.6 |  |  | (12 | ) |  | 14 |
Total Sempra Energy |  |  |  |  |  |  | $ | 2,090 |  |  | $ | 2,450 |
(1) | Chilquinta Energía has four subsidiaries with NCI held by others. Percentage range reflects the highest and lowest ownership percentages among these subsidiaries.
(2) | IEnova has a subsidiary with a 10-percent NCI held by others. The equity held by NCI is negligible at both December 31, 2018 and 2017.
(3) | IEnova has a subsidiary with a 49-percent NCI held by others. The equity held by NCI is $13 million at December 31, 2018.
(4) Net income or loss attributable to NCI is computed using the HLBV method and is not based on ownership percentages.
Schedule of Related Party Transactions | We summarize amounts due from and to unconsolidated affiliates at Sempra Energy Consolidated, SDG&E and SoCalGas in the following table.
AMOUNTS DUE FROM (TO) UNCONSOLIDATED AFFILIATES
(Dollars in millions)
| December 31,
| 2018 |  | 2017
Sempra Energy Consolidated: |  |  |
Total due from various unconsolidated affiliates – current | $ | 39 |  |  | $ | 37 |
Sempra South American Utilities(1): |  |  |  |  |
Eletrans – 4% Note(2) | $ | 43 |  |  | $ | 103 |
Other related party receivables | 1 |  |  | 1 |
Sempra Mexico(1): |  |  |  |  |
IMG – Note due March 15, 2022(3) | 641 |  |  | 487 |
Energía Sierra Juárez – Note(4) | 3 |  |  | 7 |
Total due from unconsolidated affiliates – noncurrent | $ | 688 |  |  | $ | 598 |
Total due to various unconsolidated affiliates – current | $ | (10 | ) |  | $ | (7 | )
Sempra Mexico(1): |  |  |
Total due to unconsolidated affiliates – noncurrent – TAG – Note due December 20, 2021(5) | $ | (37 | ) |  | $ | (35 | )
SDG&E: |  |  |  |  |
Sempra Energy | $ | (43 | ) |  | $ | (30 | )
SoCalGas | (6 | ) |  | (4 | )
Various affiliates | (12 | ) |  | (6 | )
Total due to unconsolidated affiliates – current | $ | (61 | ) |  | $ | (40 | )
Income taxes due from Sempra Energy(6) | $ | 5 |  |  | $ | 27 |
SoCalGas: |  |  |  |  |
SDG&E | $ | 6 |  |  | $ | 4 |
Various affiliates | 1 |  |  | — |
Total due from unconsolidated affiliates – current | $ | 7 |  |  | $ | 4 |
Total due to unconsolidated affiliates – current – Sempra Energy | $ | (34 | ) |  | $ | (35 | )
Income taxes due (to) from Sempra Energy(6) | $ | (4 | ) |  | $ | 10 |
(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, comprising JVs of Chilquinta Energía.
(3) | Mexican peso-denominated revolving line of credit for up to 14.2 billion Mexican pesos or approximately $721 million U.S. dollar-equivalent, at a variable interest rate based on the 91-day Interbank Equilibrium Interest Rate plus 220 bps (10.84 percent at December 31, 2018), to finance construction of the natural gas marine pipeline.
(4) | U.S. dollar-denominated loan, at a variable interest rate based on the 30-day LIBOR plus 637.5 bps (8.89 percent at December 31, 2018) with no stated maturity date, to finance the first phase of the Energía Sierra Juárez wind project, which is a joint venture of IEnova.
(5) | U.S. dollar-denominated loan, at a variable interest rate based on 6-month LIBOR plus 290 bps (5.77 percent at December 31, 2018).
(6) | S DG&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.
The following table summarizes revenues and cost of sales from unconsolidated affiliates.
REVENUES AND COST OF SALES FROM UNCONSOLIDATED AFFILIATES
(Dollars in millions)
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Revenues: |  |  |  |  |
Sempra Energy Consolidated | $ | 64 |  |  | $ | 43 |  |  | $ | 25 |
SDG&E | 5 |  |  | 8 |  |  | 7 |
SoCalGas | 64 |  |  | 74 |  |  | 76 |
Cost of Sales: |  |  |  |  |
Sempra Energy Consolidated | $ | 46 |  |  | $ | 47 |  |  | $ | 72 |
SDG&E | 73 |  |  | 71 |  |  | 64 |
Schedule Of Other Income (Expense) | Other Income, Net on the Consolidated Statements of Operations consists of the following:
OTHER INCOME, NET
(Dollars in millions)
| Years ended December 31,
| 2018 |  | 2017(1) |  | 2016(1)
Sempra Energy Consolidated: |  |  |  |  |
Allowance for equity funds used during construction | $ | 98 |  |  | $ | 168 |  |  | $ | 116 |
Investment (losses) gains(2) | (6 | ) |  | 56 |  |  | 23 |
Gains (losses) on interest rate and foreign exchange instruments, net | 7 |  |  | 47 |  |  | (32 | )
Foreign currency transaction losses(3) | (5 | ) |  | (35 | ) |  | (1 | )
Non-service component of net periodic benefit (cost) credit | (37 | ) |  | (21 | ) |  | 6 |
Electrical infrastructure relocation income | 7 |  |  | 3 |  |  | 10 |
Interest on regulatory balancing accounts, net | 2 |  |  | 3 |  |  | 4 |
Sundry, net | 6 |  |  | 12 |  |  | 12 |
Total | $ | 72 |  |  | $ | 233 |  |  | $ | 138 |
SDG&E: |  |  |  |  |  |  |  |
Allowance for equity funds used during construction | $ | 61 |  |  | $ | 63 |  |  | $ | 46 |
Non-service component of net periodic benefit (cost) credit | (6 | ) |  | 4 |  |  | 14 |
Interest on regulatory balancing accounts, net | 4 |  |  | 3 |  |  | 3 |
Sundry, net | (3 | ) |  | — |  |  | 1 |
Total | $ | 56 |  |  | $ | 70 |  |  | $ | 64 |
SoCalGas: |  |  |  |  |  |  |  |
Allowance for equity funds used during construction | $ | 36 |  |  | $ | 44 |  |  | $ | 40 |
Non-service component of net periodic benefit (cost) credit | (10 | ) |  | (5 | ) |  | 6 |
Interest on regulatory balancing accounts, net | (2 | ) |  | — |  |  | 1 |
Sundry, net | (9 | ) |  | (8 | ) |  | (9 | )
Total | $ | 15 |  |  | $ | 31 |  |  | $ | 38 |
(1) | As adjusted for the retrospective adoption of ASU 2017-07, which we discuss in Note 2.
(2) | Represents investment (losses) 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, recorded in O&M on the Consolidated Statements of Operations.
(3) Includes losses of $3 million and $35 million in 2018 and 2017, respectively, from translation to U.S. dollars of a Mexican peso-denominated loan to the IMG JV, which are offset by corresponding amounts included in Equity Earnings on the Consolidated Statements of Operations.

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