v3.6.0.2

REGULATORY MATTERS - REGULATORY ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Current regulatory assets | $ 89 | $ 115 |
Noncurrent regulatory assets | 3,329 | 3,058 |
Current regulatory liabilities | 0 | (2) |
Noncurrent regulatory liabilities | (2,876) | (2,865) |
Total net regulatory assets and (liabilities) | 542 | 306 |
Long-term undercollected balancing accounts excluded | 85 | 215 |
Regulatory liabilities in deferred credits and other | 179 | 72 |
Amortization expense on regulatory assets | 65 | 62 | $ 20
Net Regulatory Assets (Liabilities) Other [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 71 | 26 |
Net Regulatory Assets (Liabilities) Sempra Energy Consolidated [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 542 | 306 |
Sempra LNG and Midstream [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 0 | (7) |
Sempra Mexico [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 71 | 33 |
Southern California Gas Company [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Current regulatory assets | 8 | 7 |
Noncurrent regulatory assets | 1,246 | 1,120 |
Current regulatory liabilities | 0 | 0 |
Noncurrent regulatory liabilities | (1,151) | (1,216) |
Total net regulatory assets and (liabilities) | 103 | (89) |
Regulatory liabilities in deferred credits and other | 179 | 71 |
Amortization expense on regulatory assets | 2 | 2 | 2
Southern California Gas Company [Member] | Deferred Income Tax Charge [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 417 | 330 |
Southern California Gas Company [Member] | Pension And Other Postretirement Benefit Obligations [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 563 | 629 |
Southern California Gas Company [Member] | Employee Benefit Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 45 | 51 |
Southern California Gas Company [Member] | Asset Retirement Obligation Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | (972) | (1,145) |
Southern California Gas Company [Member] | Loss on Reacquired Debt [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 10 | 11 |
Southern California Gas Company [Member] | Loss on Reacquired Debt [Member] | Maximum [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Remaining amortization period | 9 years |  |
Southern California Gas Company [Member] | Loss on Reacquired Debt [Member] | Minimum [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Remaining amortization period | 5 years |  |
Southern California Gas Company [Member] | Environmental Restoration Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 22 | 22 |
Southern California Gas Company [Member] | Workers Compensation Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 10 | 13 |
Southern California Gas Company [Member] | Other [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 8 | 0 |
Southern California Gas Company [Member] | Net Regulatory Assets (Liabilities) So Cal Gas [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 103 | (89) |
San Diego Gas and Electric Company [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Current regulatory assets | 81 | 107 |
Noncurrent regulatory assets | 2,012 | 1,891 |
Current regulatory liabilities | 0 | 0 |
Noncurrent regulatory liabilities | (1,725) | (1,629) |
Total net regulatory assets and (liabilities) | 368 | 369 |
Amortization expense on regulatory assets | 63 | 60 | $ 18
San Diego Gas and Electric Company [Member] | Fixed Price Contracts And Other Derivatives [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 141 | 99 |
San Diego Gas and Electric Company [Member] | Costs related to SONGS plant closure [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 183 | 257 |
San Diego Gas and Electric Company [Member] | Wildfire Litigation Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 353 | 362 |
San Diego Gas and Electric Company [Member] | Deferred Income Tax Charge [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 1,014 | 914 |
San Diego Gas and Electric Company [Member] | Pension And Other Postretirement Benefit Obligations [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | 210 | 180 |
San Diego Gas and Electric Company [Member] | Asset Retirement Obligation Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | (1,725) | (1,629) |
San Diego Gas and Electric Company [Member] | Loss on Reacquired Debt [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 12 | 12 |
San Diego Gas and Electric Company [Member] | Loss on Reacquired Debt [Member] | Maximum [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Remaining amortization period | 11 years |  |
San Diego Gas and Electric Company [Member] | Loss on Reacquired Debt [Member] | Minimum [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Remaining amortization period | 1 year |  |
San Diego Gas and Electric Company [Member] | Environmental Restoration Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 48 | 16 |
San Diego Gas and Electric Company [Member] | Legacy Meters [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 16 | 32 |
Remaining amortization period | 1-year |  |
San Diego Gas and Electric Company [Member] | Sunrise Powerlink Fire Mitigation [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 118 | 117 |
Remaining amortization period | 53-year |  |
San Diego Gas and Electric Company [Member] | Other Utility Costs [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ (2) | 9 |
San Diego Gas and Electric Company [Member] | Net Regulatory Assets (Liabilities) S D G E [Member] |  |  |
Schedule Of Net Regulatory Assets (Liabilities) [Line Items] |  |  |
Net regulatory assets (liabilities) | $ 368 | $ 369 |

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- Definition The net amount of all regulatory assets less all regulatory liabilities as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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