v3.6.0.2

SIGNIFICANT ACCOUNTING POLICIES AND OTHER FINANCIAL DATA - ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |
Beginning Balance | $ 2,255 | $ 2,190
Accretion expense | 101 | 92
Liabilities incurred and acquired | 35 | 1
Deconsolidation and reclassification | (16) | 0
Payments | (47) | (80)
Revisions | 225 | 52
Ending Balance | 2,553 | 2,255
Asset retirement obligations deconsolidated | 12 |
Asset retirement obligations reclassified | 4 |
San Diego Gas and Electric Company [Member] |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |
Beginning Balance | 828 | 873
Accretion expense | 38 | 40
Liabilities incurred and acquired | 0 | 0
Deconsolidation and reclassification | 0 | 0
Payments | (46) | (79)
Revisions | 10 | (6)
Ending Balance | 830 | 828
Southern California Gas Company [Member] |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |
Beginning Balance | 1,383 | 1,276
Accretion expense | 61 | 49
Liabilities incurred and acquired | 0 | 0
Deconsolidation and reclassification | 0 | 0
Payments | 0 | 0
Revisions | 215 | 58
Ending Balance | $ 1,659 | $ 1,383

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- Definition Asset Retirement Obligation, Decrease Due to Disposal + References No definition available. + Details
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- Definition Asset Retirement Obligation, Transfer Out + References No definition available. + Details
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- Definition Asset retirement obligations, reclassification. + References No definition available. + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Asset Retirement Obligation -URI http://asc.fasb.org/extlink&oid=6505190 + Details
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- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 + Details
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- Definition Amount of asset retirement obligations incurred during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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- Details
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