{
 "instance": {
  "sre20170331form10q.htm": {
   "axisCustom": 1,
   "axisStandard": 39,
   "contextCount": 648,
   "dts": {
    "calculationLink": {
     "local": [
      "sre-20170331_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "sre-20170331_def.xml"
     ]
    },
    "inline": {
     "local": [
      "sre20170331form10q.htm"
     ]
    },
    "labelLink": {
     "local": [
      "sre-20170331_lab.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-doc-2016-01-31.xml",
      "http://xbrl.sec.gov/dei/2014/dei-doc-2014-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "sre-20170331_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-ref-2016-01-31.xml",
      "http://xbrl.sec.gov/dei/2014/dei-ref-2014-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "sre-20170331.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2016/elts/us-parts-codification-2016-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2016/elts/us-roles-2016-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2016/elts/us-types-2016-01-31.xsd",
      "http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd",
      "http://xbrl.sec.gov/currency/2016/currency-2016-01-31.xsd",
      "http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd",
      "http://xbrl.sec.gov/exch/2016/exch-2016-01-31.xsd",
      "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd",
      "http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd",
      "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
      "http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"
     ]
    }
   },
   "elementCount": 811,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2016-01-31": 73,
    "http://www.sempra.com/20170331": 13,
    "http://xbrl.sec.gov/dei/2014-01-31": 11,
    "total": 97
   },
   "keyCustom": 114,
   "keyStandard": 342,
   "memberCustom": 86,
   "memberStandard": 65,
   "nsprefix": "sre",
   "nsuri": "http://www.sempra.com/20170331",
   "report": {
    "R1": {
     "firstAnchor": null,
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001000 - Document - DOCUMENT AND ENTITY INFORMATION",
     "role": "http://www.sempra.com/role/DocumentAndEntityInformation",
     "shortName": "DOCUMENT AND ENTITY INFORMATION",
     "subGroupType": "",
     "uniqueAnchor": null
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2104100 - Disclosure - INVESTMENTS IN UNCONSOLIDATED ENTITIES",
     "role": "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntities",
     "shortName": "INVESTMENTS IN UNCONSOLIDATED ENTITIES",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AdditionalFinancialInformationDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2105100 - Disclosure - OTHER FINANCIAL DATA",
     "role": "http://www.sempra.com/role/OtherFinancialData",
     "shortName": "OTHER FINANCIAL DATA",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AdditionalFinancialInformationDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2106100 - Disclosure - DEBT AND CREDIT FACILITIES",
     "role": "http://www.sempra.com/role/DebtAndCreditFacilities",
     "shortName": "DEBT AND CREDIT FACILITIES",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2107100 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstruments",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2108100 - Disclosure - FAIR VALUE MEASUREMENTS",
     "role": "http://www.sempra.com/role/FairValueMeasurements",
     "shortName": "FAIR VALUE MEASUREMENTS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PublicUtilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2109100 - Disclosure - SAN ONOFRE NUCLEAR GENERATING STATION (SONGS)",
     "role": "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongs",
     "shortName": "SAN ONOFRE NUCLEAR GENERATING STATION (SONGS)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PublicUtilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2111100 - Disclosure - COMMITMENTS AND CONTINGENCIES",
     "role": "http://www.sempra.com/role/CommitmentsAndContingencies",
     "shortName": "COMMITMENTS AND CONTINGENCIES",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2112100 - Disclosure - SEGMENT INFORMATION",
     "role": "http://www.sempra.com/role/SegmentInformation",
     "shortName": "SEGMENT INFORMATION",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2202201 - Disclosure - NEW ACCOUNTING STANDARDS (Policies)",
     "role": "http://www.sempra.com/role/NewAccountingStandardsPolicies",
     "shortName": "NEW ACCOUNTING STANDARDS (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementEarlyAdoptionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2302302 - Disclosure - NEW ACCOUNTING STANDARDS (Tables)",
     "role": "http://www.sempra.com/role/NewAccountingStandardsTables",
     "shortName": "NEW ACCOUNTING STANDARDS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementEarlyAdoptionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:RegulatedOperatingRevenue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS",
     "role": "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:RegulatedOperatingRevenue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2303301 - Disclosure - ACQUISITION AND DIVESTITURE ACTIVITY (Tables)",
     "role": "http://www.sempra.com/role/AcquisitionAndDivestitureActivityTables",
     "shortName": "ACQUISITION AND DIVESTITURE ACTIVITY (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2305301 - Disclosure - OTHER FINANCIAL DATA (Tables)",
     "role": "http://www.sempra.com/role/OtherFinancialDataTables",
     "shortName": "OTHER FINANCIAL DATA (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2306301 - Disclosure - DEBT AND CREDIT FACILITIES (Tables)",
     "role": "http://www.sempra.com/role/DebtAndCreditFacilitiesTables",
     "shortName": "DEBT AND CREDIT FACILITIES (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2307301 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Tables)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsTables",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDerivativeInstrumentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2308301 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)",
     "role": "http://www.sempra.com/role/FairValueMeasurementsTables",
     "shortName": "FAIR VALUE MEASUREMENTS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleSecuritiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2309301 - Disclosure - SAN ONOFRE NUCLEAR GENERATING STATION (SONGS) (Tables)",
     "role": "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsTables",
     "shortName": "SAN ONOFRE NUCLEAR GENERATING STATION (SONGS) (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AvailableForSaleSecuritiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2311301 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)",
     "role": "http://www.sempra.com/role/CommitmentsAndContingenciesTables",
     "shortName": "COMMITMENTS AND CONTINGENCIES (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2312301 - Disclosure - SEGMENT INFORMATION (Tables)",
     "role": "http://www.sempra.com/role/SegmentInformationTables",
     "shortName": "SEGMENT INFORMATION (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2015Q4",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402403 - Disclosure - NEW ACCOUNTING STANDARDS (Details)",
     "role": "http://www.sempra.com/role/NewAccountingStandardsDetails",
     "shortName": "NEW ACCOUNTING STANDARDS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:RestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2016Q1Feb1-29_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_sre_TermoelctricaDeMexicaliMember_us-gaap_StatementBusinessSegmentsAxis_sre_SempraMexicoMember",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "sre:PowerPlantEnergyGeneratingCapacity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "mw",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403402 - Disclosure - ACQUISITION AND DIVESTITURE ACTIVITY - ASSETS HELD FOR SALE (Details)",
     "role": "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
     "shortName": "ACQUISITION AND DIVESTITURE ACTIVITY - ASSETS HELD FOR SALE (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2016Q1Feb1-29_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_sre_TermoelctricaDeMexicaliMember_us-gaap_StatementBusinessSegmentsAxis_sre_SempraMexicoMember",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "sre:PowerPlantEnergyGeneratingCapacity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "mw",
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProfitLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)",
     "role": "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1QTD_us-gaap_OtherComprehensiveIncomeLocationAxis_sre_BeforeTaxAmountMember",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:ProfitLoss",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2016Q1_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_sre_RockiesExpressMember_us-gaap_StatementBusinessSegmentsAxis_sre_SempraNaturalGasMember",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:EquityMethodInvestmentOwnershipPercentage",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403403 - Disclosure - ACQUISITION AND DIVESTITURE ACTIVITY - DIVESTITURES (Details)",
     "role": "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
     "shortName": "ACQUISITION AND DIVESTITURE ACTIVITY - DIVESTITURES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2016Q2May1-31_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_sre_RockiesExpressMember_us-gaap_StatementBusinessSegmentsAxis_sre_SempraNaturalGasMember",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:ProceedsFromSaleOfEquityMethodInvestments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtConversionConvertedInstrumentAmount1",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404401 - Disclosure - INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details)",
     "role": "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
     "shortName": "INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-8",
      "lang": null,
      "name": "us-gaap:GuaranteeObligationsMaximumExposure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:EnergyRelatedInventoryNaturalGasInStorage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405402 - Disclosure - OTHER FINANCIAL DATA - INVENTORIES (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
     "shortName": "OTHER FINANCIAL DATA - INVENTORIES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:EnergyRelatedInventoryNaturalGasInStorage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:RegulatoryAssetsNoncurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405403 - Disclosure - OTHER FINANCIAL DATA - GREENHOUSE GAS (GHG) ALLOWANCES (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
     "shortName": "OTHER FINANCIAL DATA - GREENHOUSE GAS (GHG) ALLOWANCES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_RegulatoryAssetAxis_sre_GreenhouseGasAllowanceMember",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:RegulatoryAssetsCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:Goodwill",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405404 - Disclosure - OTHER FINANCIAL DATA - GOODWILL (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataGoodwillDetails",
     "shortName": "OTHER FINANCIAL DATA - GOODWILL (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405405 - Disclosure - OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
     "shortName": "OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_StatementBusinessSegmentsAxis_sre_SempraRenewablesMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_sre_NoncontrollingTaxEquityInvestorsMember",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_us-gaap_PensionPlansDefinedBenefitMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DefinedBenefitPlanServiceCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405407 - Disclosure - OTHER FINANCIAL DATA - PENSION AND OTHER POSTRETIREMENT BENEFITS (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails",
     "shortName": "OTHER FINANCIAL DATA - PENSION AND OTHER POSTRETIREMENT BENEFITS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_us-gaap_PensionPlansDefinedBenefitMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DefinedBenefitPlanServiceCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AssetsHeldInTrustNoncurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405408 - Disclosure - OTHER FINANCIAL DATA - RABBI TRUST (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataRabbiTrustDetails",
     "shortName": "OTHER FINANCIAL DATA - RABBI TRUST (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405409 - Disclosure - OTHER FINANCIAL DATA - EARNINGS PER SHARE (EPS) (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails",
     "shortName": "OTHER FINANCIAL DATA - EARNINGS PER SHARE (EPS) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "0",
      "lang": null,
      "name": "sre:Vestedrsusincludedinbasicwaso",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:CapitalizedFinancingCosts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405410 - Disclosure - OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails",
     "shortName": "OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:CapitalizedFinancingCosts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS",
     "role": "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
     "shortName": "CONDENSED CONSOLIDATED BALANCE SHEETS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2016Q4",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405411 - Disclosure - OTHER FINANCIAL DATA - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
     "shortName": "OTHER FINANCIAL DATA - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2015Q4",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestExpense",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405412 - Disclosure - OTHER FINANCIAL DATA - RECLASSIFICATION FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
     "shortName": "OTHER FINANCIAL DATA - RECLASSIFICATION FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1QTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2016Q4",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405413 - Disclosure - OTHER FINANCIAL DATA - SHAREHOLDER'S EQUITY AND NONCONTROLLING INTEREST (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails",
     "shortName": "OTHER FINANCIAL DATA - SHAREHOLDER'S EQUITY AND NONCONTROLLING INTEREST (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2015Q4",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherMinorityInterests",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405414 - Disclosure - OTHER FINANCIAL DATA - OTHER NONCONTROLLING INTERESTS (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
     "shortName": "OTHER FINANCIAL DATA - OTHER NONCONTROLLING INTERESTS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_dei_LegalEntityAxis_sre_OwnershipInterestsHeldByOthersOtayMesaVieMember_us-gaap_StatementBusinessSegmentsAxis_sre_SanDiegoGasAndElectricCompanyMember",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DueFromAffiliateCurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405415 - Disclosure - OTHER FINANCIAL DATA - DUE TO DUE FROM AFFILIATES (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
     "shortName": "OTHER FINANCIAL DATA - DUE TO DUE FROM AFFILIATES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_sre_JointVentureWithPemexMember",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:RelatedPartyTransactionRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromRelatedParties",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405416 - Disclosure - OTHER FINANCIAL DATA - AFFILIATES REVENUE AND COST OF SALES (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
     "shortName": "OTHER FINANCIAL DATA - AFFILIATES REVENUE AND COST OF SALES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromRelatedParties",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405417 - Disclosure - OTHER FINANCIAL DATA - OTHER INCOME (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails",
     "shortName": "OTHER FINANCIAL DATA - OTHER INCOME (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405418 - Disclosure - OTHER FINANCIAL DATA - INCOME TAXES (Details)",
     "role": "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails",
     "shortName": "OTHER FINANCIAL DATA - INCOME TAXES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "2",
      "lang": null,
      "name": "us-gaap:EffectiveIncomeTaxRateContinuingOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_dei_LegalEntityAxis_sre_SempraenergyconsolidatedMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShortTermDebtWeightedAverageInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406402 - Disclosure - DEBT AND CREDIT FACILITIES - LINES OF CREDIT (Details)",
     "role": "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
     "shortName": "DEBT AND CREDIT FACILITIES - LINES OF CREDIT (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_dei_LegalEntityAxis_sre_SempraenergyconsolidatedMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShortTermDebtWeightedAverageInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "I2017Q1Feb28_dei_LegalEntityAxis_sre_LuzDelSurMember_us-gaap_DebtInstrumentAxis_sre_CorporateBondsMaturinginTwentyTwentyThreeMember_us-gaap_StatementBusinessSegmentsAxis_sre_SouthAmericaUtilitiesMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtInstrumentFaceAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406403 - Disclosure - DEBT AND CREDIT FACILITIES - LONG TERM DEBT (Details)",
     "role": "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails",
     "shortName": "DEBT AND CREDIT FACILITIES - LONG TERM DEBT (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "I2017Q1Feb28_dei_LegalEntityAxis_sre_LuzDelSurMember_us-gaap_DebtInstrumentAxis_sre_CorporateBondsMaturinginTwentyTwentyThreeMember_us-gaap_StatementBusinessSegmentsAxis_sre_SouthAmericaUtilitiesMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtInstrumentFaceAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003501 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)",
     "role": "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
     "shortName": "CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD_dei_LegalEntityAxis_sre_SDGESegmentMember_us-gaap_DerivativeInstrumentRiskAxis_sre_NaturalGasDerivativeMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "mmbtu",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407402 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD_dei_LegalEntityAxis_sre_SDGESegmentMember_us-gaap_DerivativeInstrumentRiskAxis_sre_NaturalGasDerivativeMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "mmbtu",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_CrossCurrencyInterestRateContractMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeLiabilityNotionalAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407403 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE NOTIONALS (Details)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE NOTIONALS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_CrossCurrencyInterestRateContractMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeLiabilityNotionalAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherCurrentAssetsMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407404 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS ON THE CONDENSED BALANCE SHEET (Details)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS ON THE CONDENSED BALANCE SHEET (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherCurrentAssetsMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeGainLossOnDerivativeNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407405 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE IMPACT ON THE INCOME (Details)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE IMPACT ON THE INCOME (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2016Q1YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_us-gaap_FairValueHedgingMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember_us-gaap_IncomeStatementLocationAxis_us-gaap_InterestExpenseMember",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:DerivativeGainLossOnDerivativeNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407406 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES (Details)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeNetLiabilityPositionAggregateFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407407 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS WITH CONTINGENT FEATURES (Details)",
     "role": "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails",
     "shortName": "DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS WITH CONTINGENT FEATURES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeNetLiabilityPositionAggregateFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:FinancialInstrumentsOwnedCorporateEquitiesAtFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408402 - Disclosure - FAIR VALUE MEASUREMENTS - RECURRING FAIR VALUE MEASURES (Details)",
     "role": "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
     "shortName": "FAIR VALUE MEASUREMENTS - RECURRING FAIR VALUE MEASURES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:FinancialInstrumentsOwnedCorporateEquitiesAtFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2016Q4",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408403 - Disclosure - FAIR VALUE MEASUREMENTS - RECON OF LEVEL 3 ASSETS (Details)",
     "role": "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
     "shortName": "FAIR VALUE MEASUREMENTS - RECON OF LEVEL 3 ASSETS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2016Q4",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408404 - Disclosure - FAIR VALUE MEASUREMENTS - FINANCIAL INSTRUMENTS (Details)",
     "role": "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
     "shortName": "FAIR VALUE MEASUREMENTS - FINANCIAL INSTRUMENTS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:InvestmentsInAndAdvancesToAffiliatesAtFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2017Q1Mar13",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:LitigationSettlementAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409402 - Disclosure - SAN ONOFRE NUCLEAR GENERATING STATION (SONGS) (Details)",
     "role": "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails",
     "shortName": "SAN ONOFRE NUCLEAR GENERATING STATION (SONGS) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2017Q1Mar13",
      "decimals": "-6",
      "lang": null,
      "name": "sre:LitigationSettlementAmountNetofArbitrationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProfitLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS",
     "role": "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesAmortizedCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409403 - Disclosure - SAN ONOFRE NUCLEAR GENERATING STATION (SONGS) - NUCLEAR DECOMMISSIONING TRUSTS (Details)",
     "role": "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails",
     "shortName": "SAN ONOFRE NUCLEAR GENERATING STATION (SONGS) - NUCLEAR DECOMMISSIONING TRUSTS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesAmortizedCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2016Q2QTD_dei_LegalEntityAxis_sre_SanDiegoGasAndElectricCompanyMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:AdjustmentToRevenueRefundOfTaxMemorandumAccountNetofTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2410401 - Disclosure - REGULATORY MATTERS (Details)",
     "role": "http://www.sempra.com/role/RegulatoryMattersDetails",
     "shortName": "REGULATORY MATTERS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2016Q2QTD_dei_LegalEntityAxis_sre_SanDiegoGasAndElectricCompanyMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:AdjustmentToRevenueRefundOfTaxMemorandumAccountNetofTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2017Q1Mar13",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "sre:LitigationSettlementPercentofArbitrationExpenses",
      "reportCount": 1,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411402 - Disclosure - COMMITMENTS AND CONTINGENCIES - LEGAL PROCEEDINGS (Details)",
     "role": "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
     "shortName": "COMMITMENTS AND CONTINGENCIES - LEGAL PROCEEDINGS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_us-gaap_LossContingenciesByNatureOfContingencyAxis_sre_AlisoCanyonNaturalGasStorageFacilityGasLeakMember",
      "decimals": "-6",
      "lang": null,
      "name": "sre:PayableRelatedToNaturalGasLeak",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2015Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_sre_HmrcVatClaimMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:VatTaxClaimAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "gbp",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411403 - Disclosure - COMMITMENTS AND CONTINGENCIES - OTHER LITIGATION (Details)",
     "role": "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails",
     "shortName": "COMMITMENTS AND CONTINGENCIES - OTHER LITIGATION (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2015Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_sre_HmrcVatClaimMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:VatTaxClaimAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "gbp",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2017Q1Mar13",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:LitigationSettlementAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411404 - Disclosure - COMMITMENTS AND CONTINGENCIES - CONTRACTUAL COMMITMENTS (Details)",
     "role": "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
     "shortName": "COMMITMENTS AND CONTINGENCIES - CONTRACTUAL COMMITMENTS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD_dei_LegalEntityAxis_sre_SempraNaturalGasMember_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_sre_NaturalGasContractsMember",
      "decimals": "-6",
      "lang": null,
      "name": "sre:IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_dei_LegalEntityAxis_sre_SanDiegoGasAndElectricCompanyMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:NuclearLiabilityInsuranceCoverageMaximum",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411405 - Disclosure - COMMITMENTS AND CONTINGENCIES - NUCLEAR INSURANCE (Details)",
     "role": "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails",
     "shortName": "COMMITMENTS AND CONTINGENCIES - NUCLEAR INSURANCE (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FI2017Q1_dei_LegalEntityAxis_sre_SanDiegoGasAndElectricCompanyMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "sre:NuclearLiabilityInsuranceCoverageMaximum",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2016Q2Apr18_dei_LegalEntityAxis_sre_SanDiegoGasAndElectricCompanyMember_us-gaap_JointlyOwnedUtilityPlantAxis_sre_TotalOwnershipMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:LossContingencyDamagesAwardedValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411406 - Disclosure - COMMITMENTS AND CONTINGENCIES - NUCLEAR FUEL DISPOSAL (Details)",
     "role": "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
     "shortName": "COMMITMENTS AND CONTINGENCIES - NUCLEAR FUEL DISPOSAL (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "D2016Q2Apr18_dei_LegalEntityAxis_sre_SanDiegoGasAndElectricCompanyMember_us-gaap_JointlyOwnedUtilityPlantAxis_sre_TotalOwnershipMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:LossContingencyDamagesAwardedValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2412402 - Disclosure - SEGMENT INFORMATION (Details)",
     "role": "http://www.sempra.com/role/SegmentInformationDetails",
     "shortName": "SEGMENT INFORMATION (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101100 - Disclosure - GENERAL",
     "role": "http://www.sempra.com/role/General",
     "shortName": "GENERAL",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2102100 - Disclosure - NEW ACCOUNTING STANDARDS",
     "role": "http://www.sempra.com/role/NewAccountingStandards",
     "shortName": "NEW ACCOUNTING STANDARDS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2103100 - Disclosure - ACQUISITION AND DIVESTITURE ACTIVITY",
     "role": "http://www.sempra.com/role/AcquisitionAndDivestitureActivity",
     "shortName": "ACQUISITION AND DIVESTITURE ACTIVITY",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "contextRef": "FD2017Q1YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:MergersAcquisitionsAndDispositionsDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 161,
   "tag": {
    "country_CL": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "CHILE",
        "terseLabel": "Chile [Member]"
       }
      }
     },
     "localname": "CL",
     "nsuri": "http://xbrl.sec.gov/country/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "country_PE": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "PERU",
        "terseLabel": "Peru [Member]"
       }
      }
     },
     "localname": "PE",
     "nsuri": "http://xbrl.sec.gov/country/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "If the value is true, then the document is an amendment to previously-filed/accepted document.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word \"Other\".",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r523"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
        "label": "Entity [Domain]",
        "terseLabel": "Entity [Domain]"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails",
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated) or (5) Smaller Reporting Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r523"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity [Axis]"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails",
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2014-01-31",
     "presentation": [
      "http://www.sempra.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "sre_AccountingStandardsUpdate201609Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accounting Standards Update 2016-09 [Member]",
        "label": "Accounting Standards Update 2016-09 [Member]",
        "terseLabel": "ASU 2016-09 [Member]"
       }
      }
     },
     "localname": "AccountingStandardsUpdate201609Member",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_AdditionalMarginPostedForCommodityContractsNotSubjectToRateRecovery": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Additional margin posted for commodity contracts not subject to rate recovery.",
        "label": "Additional Margin Posted For Commodity Contracts Not Subject to Rate Recovery",
        "terseLabel": "Additional cash collateral for commodity contracts not subject to rate recovery"
       }
      }
     },
     "localname": "AdditionalMarginPostedForCommodityContractsNotSubjectToRateRecovery",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AdditionalMarginPostedForCommodityContractsSubjectToRateRecovery": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Additional margin posted for commodity contracts subject to rate recovery.",
        "label": "Additional Margin Posted For Commodity Contracts Subject to Rate Recovery",
        "terseLabel": "Additional cash collateral for commodity contracts subject to rate recovery"
       }
      }
     },
     "localname": "AdditionalMarginPostedForCommodityContractsSubjectToRateRecovery",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AdjustmentToRevenueRefundOfTaxMemorandumAccountNetofTax": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Adjustment To Revenue, Refund Of Tax Memorandum Account, Net of Tax",
        "label": "Adjustment To Revenue, Refund Of Tax Memorandum Account, Net of Tax",
        "terseLabel": "Refund of 2015 memorandum account, After-tax"
       }
      }
     },
     "localname": "AdjustmentToRevenueRefundOfTaxMemorandumAccountNetofTax",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AffiliateOfInvesteeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Affiliate Of Investee [Member]",
        "terseLabel": "Due to/from Other affiliates [Member]"
       }
      }
     },
     "localname": "AffiliateOfInvesteeMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_AlisoCanyonNaturalGasStorageFacilityGasLeakMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Aliso Canyon Natural Gas Storage Facility Gas Leak [Member]",
        "terseLabel": "Aliso Canyon Natural Gas Storage Facility Gas Leak [Member]"
       }
      }
     },
     "localname": "AlisoCanyonNaturalGasStorageFacilityGasLeakMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_AmountofNaturalGasReleased": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of Natural Gas Released",
        "label": "Amount of Natural Gas Released",
        "terseLabel": "Amount of natural gas released"
       }
      }
     },
     "localname": "AmountofNaturalGasReleased",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "volumeItemType"
    },
    "sre_ArbitrationExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Arbitration Expense",
        "label": "Arbitration Expense",
        "terseLabel": "Arbitration expense"
       }
      }
     },
     "localname": "ArbitrationExpense",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AssetFairValueGrossLiabilityandObligationtoReturnCashOffsetandNotOffset": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset and Not Offset",
        "label": "Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset and Not Offset",
        "negatedTerseLabel": "Nuclear decommissioning trusts - Netting"
       }
      }
     },
     "localname": "AssetFairValueGrossLiabilityandObligationtoReturnCashOffsetandNotOffset",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AssociatedCashCollateralCommodityContractsNotSubjectToRateRecovery": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 5.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Associated cash collateral commodity contracts not subject to rate recovery.",
        "label": "Associated cash collateral commodity contracts not subject to rate recovery",
        "terseLabel": "Associated offsetting cash collateral"
       }
      }
     },
     "localname": "AssociatedCashCollateralCommodityContractsNotSubjectToRateRecovery",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AssociatedCashCollateralCommodityContractsSubjectToRateRecovery": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 8.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Associated offsetting commodity contracts subject to rate recovery.",
        "label": "Associated cash collateral commodity contracts subject to rate recovery",
        "terseLabel": "Associated offsetting cash collateral"
       }
      }
     },
     "localname": "AssociatedCashCollateralCommodityContractsSubjectToRateRecovery",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_AuthorizedRecoveryAmountNuclearDecommissioningTrustFunding": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Authorized Recovery Amount, Nuclear Decommissioning Trust Funding.",
        "label": "Authorized Recovery Amount, Nuclear Decommissioning Trust Funding",
        "terseLabel": "Authorized recovery amount, nuclear decommissioning trust funding"
       }
      }
     },
     "localname": "AuthorizedRecoveryAmountNuclearDecommissioningTrustFunding",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_BankGuarantee": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An agreement (contract) that requires the guarantor to make payments to the guaranteed party based on another entity's failure to pay specified obligations, such as debt, to a lender.",
        "label": "Bank Guarantee",
        "terseLabel": "Bank guarantee"
       }
      }
     },
     "localname": "BankGuarantee",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_BeforeTaxAmountMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Before-Tax Amount [Member]",
        "terseLabel": "Pretax amount [Member]"
       }
      }
     },
     "localname": "BeforeTaxAmountMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CaliforniaPublicUtilitiesCommissionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "California Public Utilities Commission [Member]",
        "label": "California Public Utilities Commission [Member]",
        "terseLabel": "California Public Utilities Commission [Member]"
       }
      }
     },
     "localname": "CaliforniaPublicUtilitiesCommissionMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CaliforniaUtilitiesCombinedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "California Utilities Combined [Member]",
        "label": "California Utilities Combined [Member]",
        "terseLabel": "California Utilities Combined [Member]"
       }
      }
     },
     "localname": "CaliforniaUtilitiesCombinedMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CameronLNGMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Cameron LNG [Member]",
        "terseLabel": "Cameron LNG [Member]"
       }
      }
     },
     "localname": "CameronLNGMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CameronLngHoldingsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Cameron LNG Holdings [Member]",
        "terseLabel": "Cameron LNG Holdings [Member]"
       }
      }
     },
     "localname": "CameronLngHoldingsMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CapitalLeaseObligationsAndBuildToSuit": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Capital Lease Obligations and Build-To-Suit",
        "label": "Capital Lease Obligations and Build-To-Suit",
        "terseLabel": "Build-to-suit and capital lease obligations"
       }
      }
     },
     "localname": "CapitalLeaseObligationsAndBuildToSuit",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_CapitalStructureCategoryAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Capital Structure Category [Axis]",
        "terseLabel": "Capital Structure Category [Axis]"
       }
      }
     },
     "localname": "CapitalStructureCategoryAxis",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_CapitalStructureCommonEquityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Capital Structure, Common Equity [Member]",
        "terseLabel": "Capital Structure, Common Equity [Member]"
       }
      }
     },
     "localname": "CapitalStructureCommonEquityMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CapitalStructureDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Capital Structure [Domain]",
        "terseLabel": "Capital Structure [Domain]"
       }
      }
     },
     "localname": "CapitalStructureDomain",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CapitalizedFinancingCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total capitalized financing costs from both debt and equity instruments.",
        "label": "Capitalized Financing Costs",
        "terseLabel": "Total capitalized financing costs"
       }
      }
     },
     "localname": "CapitalizedFinancingCosts",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_CapitalizedFinancingCostsDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Capitalized Financing Costs Disclosure [Line Items]",
        "terseLabel": "Capitalized Financing Costs Disclosure [Line Items]"
       }
      }
     },
     "localname": "CapitalizedFinancingCostsDisclosureLineItems",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_CommodityContractsNotSubjectToRateRecoveryDesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 2.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative commodity contracts not subject to rate recovery.",
        "label": "Commodity Contracts Not Subject To Rate Recovery Designated",
        "terseLabel": "Commodity contracts not subject to rate recovery"
       }
      }
     },
     "localname": "CommodityContractsNotSubjectToRateRecoveryDesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_CommodityContractsNotSubjectToRateRecoveryMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Commodity Contracts Not Subject To Rate Recovery [Member]",
        "terseLabel": "Commodity contracts not subject to rate recovery [Member]",
        "verboseLabel": "Commodity contracts not subject to rate recovery [Member]"
       }
      }
     },
     "localname": "CommodityContractsNotSubjectToRateRecoveryMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CommodityContractsSubjectToRateRecoveryMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Commodity Contracts Subject To Rate Recovery [Member]",
        "terseLabel": "Commodity contracts subject to rate recovery [Member]",
        "verboseLabel": "Commodity contracts subject to rate recovery [Member]"
       }
      }
     },
     "localname": "CommodityContractsSubjectToRateRecoveryMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_ComplaintsFiledbyPublicEntitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Complaints Filed by Public Entities [Member]",
        "label": "Complaints Filed by Public Entities [Member]",
        "terseLabel": "Complaints Filed by Public Entities [Member]"
       }
      }
     },
     "localname": "ComplaintsFiledbyPublicEntitiesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CongestionRevenueRightsDerivativeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Congestion Revenue Rights Derivative [Member]",
        "label": "Congestion Revenue Rights Derivative [Member]",
        "terseLabel": "Congestion revenue rights [Member]"
       }
      }
     },
     "localname": "CongestionRevenueRightsDerivativeMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_Congestionrevenuerights": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Congestion revenue rights.",
        "label": "Congestion Revenue Rights",
        "terseLabel": "Congestion revenue rights (in dollars per MWH)"
       }
      }
     },
     "localname": "Congestionrevenuerights",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_ConsolidatedClassActionComplaintsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Consolidated Class Action Complaints [Member]",
        "label": "Consolidated Class Action Complaints [Member]",
        "terseLabel": "Consolidated Class Action Complaints [Member]"
       }
      }
     },
     "localname": "ConsolidatedClassActionComplaintsMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_ContractualObligationConditionalPurchaseObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contractual Obligation, Conditional Purchase Obligation",
        "label": "Contractual Obligation, Conditional Purchase Obligation",
        "terseLabel": "Conditional purchase obligation"
       }
      }
     },
     "localname": "ContractualObligationConditionalPurchaseObligation",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_CorporateBondsMaturinginTwentyTwentyThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Corporate Bonds Maturing in Twenty Twenty Three [Member]",
        "label": "Corporate Bonds Maturing in Twenty Twenty Three [Member]",
        "terseLabel": "Corporate Bonds Maturing in 2023 [Member]"
       }
      }
     },
     "localname": "CorporateBondsMaturinginTwentyTwentyThreeMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CostOfCapitalAuthorizedRateOfRecovery": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cost Of Capital Authorized Rate Of Recovery",
        "label": "Cost Of Capital Authorized Rate Of Recovery",
        "terseLabel": "Return on equity"
       }
      }
     },
     "localname": "CostOfCapitalAuthorizedRateOfRecovery",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_CostOfCapitalPotentialReducedReturnOnEquity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cost Of Capital Potential Reduced Return On Equity",
        "label": "Cost Of Capital Potential Reduced Return On Equity",
        "terseLabel": "Reduced return on equity"
       }
      }
     },
     "localname": "CostOfCapitalPotentialReducedReturnOnEquity",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_CostOfElectricFuelAndPurchasedPowerMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Cost of Electric Fuel and Purchased Power [Member]",
        "terseLabel": "Cost of Electric Fuel and Purchased Power [Member]"
       }
      }
     },
     "localname": "CostOfElectricFuelAndPurchasedPowerMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_CostOfNaturalGasElectricFuelAndPurchasedPower": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 13.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Energy-related businesses cost of electric fuel and purchased power recorded during the period.",
        "label": "Cost of natural gas, electric fuel and purchased power",
        "negatedLabel": "Cost of natural gas, electric fuel and purchased power"
       }
      }
     },
     "localname": "CostOfNaturalGasElectricFuelAndPurchasedPower",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_CostOfNaturalGasMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Cost of Natural Gas [Member]",
        "terseLabel": "Cost of Natural Gas [Member]"
       }
      }
     },
     "localname": "CostOfNaturalGasMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_DeductibleLoss": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Deductible Loss",
        "verboseLabel": "Deductible per loss"
       }
      }
     },
     "localname": "DeductibleLoss",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DeferredIncomeTaxesRecoverableInRates": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 12.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Deferred taxes refundable in rates, noncurrent asset.",
        "label": "Deferred Income Taxes Recoverable In Rates",
        "terseLabel": "Deferred income taxes recoverable in rates"
       }
      }
     },
     "localname": "DeferredIncomeTaxesRecoverableInRates",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DeferredTaxExpenseFromTheOutsideBasisDifference": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Deferred Tax Expense From The Outside Basis Difference on our Investment",
        "label": "Deferred Tax Expense From The Outside Basis Difference",
        "negatedTerseLabel": "Deferred tax expense from the outside basis difference"
       }
      }
     },
     "localname": "DeferredTaxExpenseFromTheOutsideBasisDifference",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeAssetFairValueGrossLiabilityandObligationtoReturnCashOffsetandNotOffset": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset and Not Offset",
        "label": "Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset and Not Offset",
        "negatedLabel": "Derivative asset netting"
       }
      }
     },
     "localname": "DerivativeAssetFairValueGrossLiabilityandObligationtoReturnCashOffsetandNotOffset",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeCommodityContractsNotSubjectToRateRecoveryNondesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 3.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative commodity contracts not subject to rate recovery, nondesignated.",
        "label": "Derivative Commodity Contracts Not Subject To Rate Recovery Nondesignated",
        "terseLabel": "Commodity contracts not subject to rate recovery"
       }
      }
     },
     "localname": "DerivativeCommodityContractsNotSubjectToRateRecoveryNondesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeCommodityContractsSubjectToRateRecoveryNondesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 6.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative commodity contracts subject to rate recovery, nondesignated.",
        "label": "Derivative Commodity Contracts Subject To Rate Recovery Nondesignated",
        "terseLabel": "Commodity contracts subject to rate recovery"
       }
      }
     },
     "localname": "DerivativeCommodityContractsSubjectToRateRecoveryNondesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeForeignExchangeInstrumentsNondesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 9.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative Foreign Exchange Instruments Nondesignated",
        "label": "DerivativeForeignExchangeInstrumentsNondesignated",
        "terseLabel": "Foreign exchange instruments"
       }
      }
     },
     "localname": "DerivativeForeignExchangeInstrumentsNondesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeInterestRateAndForeignExchangeInstrumentsDesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 1.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate instruments designated as hedging instruments.",
        "label": "Derivative Interest Rate And Foreign Exchange Instruments Designated",
        "terseLabel": "Interest rate and foreign exchange instruments"
       }
      }
     },
     "localname": "DerivativeInterestRateAndForeignExchangeInstrumentsDesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeLiabilityFairValueGrossAssetandRighttoReclaimCashOffsetandNotOffset": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset and Not Offset",
        "label": "Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset and Not Offset",
        "negatedLabel": "Derivative liability netting"
       }
      }
     },
     "localname": "DerivativeLiabilityFairValueGrossAssetandRighttoReclaimCashOffsetandNotOffset",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeOffsettingCommodityContractsNotSubjectToRateRecoveryNondesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 4.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Associated offsetting commodity contracts not subject to rate recovery.",
        "label": "Derivative Offsetting Commodity Contracts Not Subject To Rate Recovery Nondesignated",
        "terseLabel": "Associated offsetting commodity contracts"
       }
      }
     },
     "localname": "DerivativeOffsettingCommodityContractsNotSubjectToRateRecoveryNondesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativeOffsettingCommodityContractsSubjectToRateRecoveryNondesignated": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 7.0,
       "parentTag": "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Associated cash collateral commodity contracts subject to rate recovery.",
        "label": "Derivative Offsetting Commodity Contracts Subject To Rate Recovery Nondesignated",
        "terseLabel": "Associated offsetting commodity contracts"
       }
      }
     },
     "localname": "DerivativeOffsettingCommodityContractsSubjectToRateRecoveryNondesignated",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DerivativesAcquiredNotionalAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivatives Acquired, Notional Amount",
        "label": "Derivatives Acquired, Notional Amount",
        "terseLabel": "Notional amount of derivatives acquired"
       }
      }
     },
     "localname": "DerivativesAcquiredNotionalAmount",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_Disposalgroupincludingdiscontinuedoperationassetretirementobligationsnoncurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Assets Held for Sale, Asset Retirement Obligations",
        "label": "Disposal Group Including Discontinued Operation Asset Retirement Obligations Noncurrent",
        "terseLabel": "Asset retirement obligations"
       }
      }
     },
     "localname": "Disposalgroupincludingdiscontinuedoperationassetretirementobligationsnoncurrent",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_DocumentAndEntityInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Document And Entity Information [Abstract]"
       }
      }
     },
     "localname": "DocumentAndEntityInformationAbstract",
     "nsuri": "http://www.sempra.com/20170331",
     "xbrltype": "stringItemType"
    },
    "sre_ElectricEnergyDerivativeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Electric Energy Derivative [Member]",
        "label": "Electric Energy Derivative [Member]",
        "terseLabel": "Electricity [Member]"
       }
      }
     },
     "localname": "ElectricEnergyDerivativeMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_Electricalinfrastructurerelocationincome": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Electrical infrastrucure reclocation income at Peru",
        "label": "Electrical infrastructure relocation income",
        "terseLabel": "Electrical infrastructure relocation income"
       }
      }
     },
     "localname": "Electricalinfrastructurerelocationincome",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_EletransMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Eletrans [Member]",
        "terseLabel": "Eletrans [Member]"
       }
      }
     },
     "localname": "EletransMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_EnergyRelatedBusinessesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Energy Related Businesses [Abstract]",
        "verboseLabel": "Energy-related businesses:"
       }
      }
     },
     "localname": "EnergyRelatedBusinessesAbstract",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_EnergyRelatedInventoryLiquefiedNaturalGas": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Energy related inventory, Liquefied Natural Gas.",
        "label": "Energy Related Inventory, Liquefied Natural Gas",
        "terseLabel": "Liquefied natural gas"
       }
      }
     },
     "localname": "EnergyRelatedInventoryLiquefiedNaturalGas",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_EnergyRelatedInventoryMaterialsAndSupplies": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Energy related inventory, materials and supplies.",
        "label": "Energy Related Inventory, Materials And Supplies",
        "terseLabel": "Materials and supplies"
       }
      }
     },
     "localname": "EnergyRelatedInventoryMaterialsAndSupplies",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_EnvironmentalExitCostsAnticipatedCostPercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Environmental Exit Costs, Anticipated Cost, Percentage",
        "label": "Environmental Exit Costs, Anticipated Cost, Percentage",
        "terseLabel": "Percent of dismantlement work expense"
       }
      }
     },
     "localname": "EnvironmentalExitCostsAnticipatedCostPercentage",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_EnvironmentalExitCostsAnticipatedTerm": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Environmental Exit Costs, Anticipated Term",
        "label": "Environmental Exit Costs, Anticipated Term",
        "terseLabel": "Anticipated term of dismantlement work"
       }
      }
     },
     "localname": "EnvironmentalExitCostsAnticipatedTerm",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sre_EquityEarningsBeforeIncomeTaxMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Equity Earnings Before Income Tax [Member]",
        "terseLabel": "Equity Earnings, Before Income Tax [Member]"
       }
      }
     },
     "localname": "EquityEarningsBeforeIncomeTaxMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_EquityEarningsNetOfIncomeTaxMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Equity Earnings Net Of Income Tax [Member]",
        "terseLabel": "Equity Earnings, Net of Income Tax [Member]"
       }
      }
     },
     "localname": "EquityEarningsNetOfIncomeTaxMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_Equitymethodinvestmentotherthantemporaryimpairmentnetoftaxbenefit": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity Method Investment Other Than Temporary Impairment Net Of Tax Benefit",
        "label": "Equity Method Investment Other Than Temporary Impairment Net Of Tax Benefit",
        "terseLabel": "Impairment of equity method investment after-tax"
       }
      }
     },
     "localname": "Equitymethodinvestmentotherthantemporaryimpairmentnetoftaxbenefit",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_EsjJointVentureMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "ESJ joint venture [Member]",
        "terseLabel": "ESJ joint venture [Member]"
       }
      }
     },
     "localname": "EsjJointVentureMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_EstimatedCostsRelatedToControllingWellAndStoppingLeakAndEmissionsPercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Estimated Costs Related To Controlling Well And Stopping Leak And Emissions Percentage.",
        "label": "Estimated Costs Related To Controlling Well And Stopping Leak And Emissions Percentage",
        "terseLabel": "Estimated costs related to controlling well and stopping leak and emissions (percentage)"
       }
      }
     },
     "localname": "EstimatedCostsRelatedToControllingWellAndStoppingLeakAndEmissionsPercentage",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_EstimatedCostsRelatedToTemporaryRelocationPercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Estimated Costs Related To Temporary Relocation Percentage.",
        "label": "Estimated Costs Related To Temporary Relocation Percentage",
        "terseLabel": "Estimated costs related to temporary relocation (percentage)"
       }
      }
     },
     "localname": "EstimatedCostsRelatedToTemporaryRelocationPercentage",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_FairValueAssetsMeasuredOnRecurringBasisNuclearDecommissioningTrustsTotalDebtSecurities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DecommissioningTrustAssetsAmount",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value assets measured on a recurring basis nuclear decommissioning trusts, total debt securities.",
        "label": "Fair Value Assets Measured On A Recurring Basis Nuclear Decommissioning Trusts Total Debt Securities",
        "totalLabel": "Nuclear decommissioning trusts - Total debt securities"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisNuclearDecommissioningTrustsTotalDebtSecurities",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_GreenhouseGasAllowanceMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Greenhouse Gas Allowance [Member]",
        "label": "Greenhouse Gas Allowance [Member]",
        "terseLabel": "Greenhouse Gas Allowance [Member]"
       }
      }
     },
     "localname": "GreenhouseGasAllowanceMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_GreenhouseGasObligationMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Greenhouse Gas Obligation [Member]",
        "label": "Greenhouse Gas Obligation [Member]",
        "terseLabel": "Greenhouse Gas Obligation [Member]"
       }
      }
     },
     "localname": "GreenhouseGasObligationMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_HealthStudyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Health Study [Member]",
        "label": "Health Study [Member]",
        "terseLabel": "Health Study [Member]"
       }
      }
     },
     "localname": "HealthStudyMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_HmrcVatClaimMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "HMRC VAT Claim [Member]",
        "terseLabel": "HMRC VAT Claim [Member]"
       }
      }
     },
     "localname": "HmrcVatClaimMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_IenovaplansMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "IENova Plans [Member]",
        "terseLabel": "IENova Plans [Member]"
       }
      }
     },
     "localname": "IenovaplansMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_IncomeLossFromEquityMethodInvestmentsNetOfTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity earnings, net of income tax.",
        "label": "Income (Loss) From Equity Method Investments Net Of Tax",
        "terseLabel": "Equity (losses) earnings, net of income tax"
       }
      }
     },
     "localname": "IncomeLossFromEquityMethodInvestmentsNetOfTax",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncomeTaxExpenseAndEffectiveIncomeTaxRatesDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Income Tax Expense And Effective Income Tax Rates Disclosure [Line Items]",
        "terseLabel": "Income Tax Expense And Effective Income Tax Rates Disclosure [Line Items]"
       }
      }
     },
     "localname": "IncomeTaxExpenseAndEffectiveIncomeTaxRatesDisclosureLineItems",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_IncomeTaxExpenseBenefitMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Income Tax (Expense) Benefit [Member]",
        "terseLabel": "Income tax (expense) benefit [Member]"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefitMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_IncomeTaxesInterimPeriodEffectiveTaxRatePolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Income Taxes, Interim Period Effective Tax Rate Policy",
        "label": "Income Taxes, Interim Period Effective Tax Rate Policy [Policy Text Block]",
        "terseLabel": "Interim period effective tax rate policy"
       }
      }
     },
     "localname": "IncomeTaxesInterimPeriodEffectiveTaxRatePolicyPolicyTextBlock",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sre_IncreaseDecreaseInOperationAndMaintenanceCostBalancingAccount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) In Operation And Maintenance Cost Balancing Account.",
        "label": "Increase Decrease In Operation And Maintenance Cost Balancing Account",
        "negatedLabel": "Decrease In operation and maintenance cost balancing account"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperationAndMaintenanceCostBalancingAccount",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation",
        "totalLabel": "Increase (decrease) in commitment amount"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationAfterFiveYears": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 6.0,
       "parentTag": "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, After Five Years",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, After Five Years",
        "terseLabel": "Increase (decrease) in commitment amount, thereafter"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationAfterFiveYears",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationRemainderofFiscalYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 1.0,
       "parentTag": "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Remainder of Fiscal Year",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Remainder of Fiscal Year",
        "terseLabel": "Increase (decrease) in commitment amount, 2017"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationRemainderofFiscalYear",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 5.0,
       "parentTag": "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Five",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Five",
        "terseLabel": "Increase (decrease) in commitment amount, 2021"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearFive",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 4.0,
       "parentTag": "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Four",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Four",
        "terseLabel": "Increase (decrease) in commitment amount, 2020"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearFour",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearThree": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 3.0,
       "parentTag": "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Three",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Three",
        "terseLabel": "Increase (decrease) in commitment amount, 2019"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearThree",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearTwo": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 2.0,
       "parentTag": "sre_IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Two",
        "label": "Increase (Decrease) in Unrecorded Unconditional Purchase Obligation, Year Two",
        "terseLabel": "Increase (decrease) in commitment amount, 2018"
       }
      }
     },
     "localname": "IncreaseDecreaseinUnrecordedUnconditionalPurchaseObligationYearTwo",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_InfraestructuraMarinadelGolfoMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Infraestructura Marina del Golfo [Member]",
        "label": "Infraestructura Marina del Golfo [Member]",
        "terseLabel": "Infraestructura Marina del Golfo [Member]"
       }
      }
     },
     "localname": "InfraestructuraMarinadelGolfoMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_InterestRateAndForeignExchangeContractMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Interest Rate and Foreign Exchange Contract [Member]",
        "terseLabel": "Interest rate and foreign exchange instruments [Member]"
       }
      }
     },
     "localname": "InterestRateAndForeignExchangeContractMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_InterestRateDerivativeInstrumentsDesignatedasHedgingInstrumentsatFairValue": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest Rate Derivative Instruments Designated as Hedging Instruments at Fair Value",
        "label": "Interest Rate Derivative Instruments Designated as Hedging Instruments at Fair Value",
        "terseLabel": "Interest rate instruments"
       }
      }
     },
     "localname": "InterestRateDerivativeInstrumentsDesignatedasHedgingInstrumentsatFairValue",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_IntermediateStagePowerPlantFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Intermediate Stage Power Plant Facility [Member]",
        "label": "Intermediate Stage Power Plant Facility [Member]",
        "terseLabel": "Intermediate Stage Power Plant Facility [Member]"
       }
      }
     },
     "localname": "IntermediateStagePowerPlantFacilityMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_InvestmentInJointVenture": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investment in RBS Sempra Commodities LLP.",
        "label": "Investment In Joint Venture",
        "terseLabel": "Investment in RBS Sempra commodities LLP"
       }
      }
     },
     "localname": "InvestmentInJointVenture",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_JointVentureWithPemexMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Joint venture with PEMEX [Member]",
        "terseLabel": "Joint venture with PEMEX [Member]"
       }
      }
     },
     "localname": "JointVentureWithPemexMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_LawsuitAgainstMHIMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lawsuit Against MHI [Member]",
        "label": "Lawsuit Against MHI [Member]",
        "terseLabel": "Lawsuit Against MHI [Member]"
       }
      }
     },
     "localname": "LawsuitAgainstMHIMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_LiabilityAssociatedWithTrackedIncomeTaxExpenseDifferences": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Liability Associated With Tracked Income Tax Expense Differences",
        "label": "Liability Associated With Tracked Income Tax Expense Differences",
        "terseLabel": "Liability Associated With Tracked Income Tax Expense Differences"
       }
      }
     },
     "localname": "LiabilityAssociatedWithTrackedIncomeTaxExpenseDifferences",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LiabilityInsuranceCoverage": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Liability Insurance Coverage",
        "label": "Liability Insurance Coverage",
        "terseLabel": "Liability insurance coverage"
       }
      }
     },
     "localname": "LiabilityInsuranceCoverage",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LineOfCreditFacilityLettersOfCreditCapacity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Committed lines of credit, capacity for issuance of letters of credit.",
        "label": "Line Of Credit Facility, Letters Of Credit Capacity",
        "terseLabel": "Capacity for issuance of letters of credit"
       }
      }
     },
     "localname": "LineOfCreditFacilityLettersOfCreditCapacity",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LineOfCreditFacilityMaximumRatioOfDebtToEquity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Committed lines of credit, maximum ratio of debt to equity.",
        "label": "Line Of Credit Facility Maximum Ratio Of Debt To Equity",
        "terseLabel": "Committed lines of credit, maximum ratio of debt to equity"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumRatioOfDebtToEquity",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Committed lines of credit, maximum ratio of indebtedness to total capitalization.",
        "label": "Line Of Credit Facility, Maximum Ratio Of Indebtedness To Total Capitalization",
        "terseLabel": "Maximum ratio of indebtedness to total capitalization"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_LineofCreditFacilityAdjustmenttoBorrowingLimit": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Adjustment to Borrowing Limit",
        "label": "Line of Credit Facility, Adjustment to Borrowing Limit",
        "terseLabel": "Total adjustment for combined limit"
       }
      }
     },
     "localname": "LineofCreditFacilityAdjustmenttoBorrowingLimit",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LineofCreditFacilityAvailableUnusedCreditLimitReduction": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Available Unused Credit Limit Reduction",
        "label": "Line of Credit Facility, Available Unused Credit Limit Reduction",
        "negatedTerseLabel": "Limit on borrowings available"
       }
      }
     },
     "localname": "LineofCreditFacilityAvailableUnusedCreditLimitReduction",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LineofCreditFacilityBorrowingLimitAdjustment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Borrowing Limit Adjustment",
        "label": "Line of Credit Facility, Borrowing Limit Adjustment",
        "terseLabel": "Adjustment for combined limit"
       }
      }
     },
     "localname": "LineofCreditFacilityBorrowingLimitAdjustment",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LineofCreditFacilityBorrowingLimitReduction": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Borrowing Limit Reduction",
        "label": "Line of Credit Facility, Borrowing Limit Reduction",
        "negatedTerseLabel": "Limit on facility borrowings"
       }
      }
     },
     "localname": "LineofCreditFacilityBorrowingLimitReduction",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LiquefiedNaturalGasContractsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Liquefied Natural Gas Contracts [Member]",
        "terseLabel": "Liquefied Natural Gas Contracts [Member]"
       }
      }
     },
     "localname": "LiquefiedNaturalGasContractsMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_LitigationSettlementAmountAllocatedtoRatepayersandShareholders": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Litigation Settlement Amount Allocated to Ratepayers and Shareholders",
        "label": "Litigation Settlement Amount Allocated to Ratepayers and Shareholders",
        "terseLabel": "Litigation settlement amount allocated to ratepayers and shareholders"
       }
      }
     },
     "localname": "LitigationSettlementAmountAllocatedtoRatepayersandShareholders",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LitigationSettlementAmountNetofArbitrationExpense": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Litigation Settlement Amount, Net of Arbitration Expense",
        "label": "Litigation Settlement Amount, Net of Arbitration Expense",
        "terseLabel": "Settlement amount net of arbitration expense"
       }
      }
     },
     "localname": "LitigationSettlementAmountNetofArbitrationExpense",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LitigationSettlementPercentofArbitrationExpenses": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Litigation Settlement, Percent of Arbitration Expenses",
        "label": "Litigation Settlement, Percent of Arbitration Expenses",
        "terseLabel": "Percent of arbitration expenses reduction of award"
       }
      }
     },
     "localname": "LitigationSettlementPercentofArbitrationExpenses",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_Loantounconsolidatedaffiliateprincipal": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan to unconsolidated affiliate, principal",
        "label": "Loan to unconsolidated affiliate, principal",
        "terseLabel": "Loan to unconsolidated affiliate, principal"
       }
      }
     },
     "localname": "Loantounconsolidatedaffiliateprincipal",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LossContingencyEnvironmentalMitigationPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Environmental Mitigation Period",
        "label": "Loss Contingency, Environmental Mitigation Period",
        "terseLabel": "Environmental mitigation period"
       }
      }
     },
     "localname": "LossContingencyEnvironmentalMitigationPeriod",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sre_LossContingencyMitigationRequirement": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Mitigation Requirement",
        "label": "Loss Contingency, Mitigation Requirement",
        "terseLabel": "Mitigation requirements (in metric tons)"
       }
      }
     },
     "localname": "LossContingencyMitigationRequirement",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "massItemType"
    },
    "sre_LossContingencyPeriodOfRequiredClimateReductions": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Period Of Required Climate Reductions",
        "label": "Loss Contingency, Period Of Required Climate Reductions",
        "terseLabel": "Period of required climate reductions"
       }
      }
     },
     "localname": "LossContingencyPeriodOfRequiredClimateReductions",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sre_LossContingencyPeriodOfRequiredRegulatoryClimateReductions": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Period Of Required Regulatory Climate Reductions",
        "label": "Loss Contingency, Period Of Required Regulatory Climate Reductions",
        "terseLabel": "Period of required regulatory climate reductions"
       }
      }
     },
     "localname": "LossContingencyPeriodOfRequiredRegulatoryClimateReductions",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sre_LossContingencyTargetEmissionsLevel": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Target Emissions Level",
        "label": "Loss Contingency, Target Emissions Level",
        "terseLabel": "Target emissions level (in metric tons)"
       }
      }
     },
     "localname": "LossContingencyTargetEmissionsLevel",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "massItemType"
    },
    "sre_LossContingencyTotalActualEmissionsCeiling": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Total Actual Emissions, Ceiling",
        "label": "Loss Contingency, Total Actual Emissions, Ceiling",
        "verboseLabel": "Loss Contingency, Total Actual Emissions, Ceiling (in metric tons)"
       }
      }
     },
     "localname": "LossContingencyTotalActualEmissionsCeiling",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "massItemType"
    },
    "sre_LossContingencyTotalActualEmissionsFloor": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss Contingency, Total Actual Emissions, Floor",
        "label": "Loss Contingency, Total Actual Emissions, Floor",
        "verboseLabel": "Loss Contingency, Total Actual Emissions, Floor (in metric tons)"
       }
      }
     },
     "localname": "LossContingencyTotalActualEmissionsFloor",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "massItemType"
    },
    "sre_LossFromPlantClosureAfterTax": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss from plant closure, after-tax.",
        "label": "Loss From Plant Closure, After Tax",
        "terseLabel": "Loss from plant closure, after tax"
       }
      }
     },
     "localname": "LossFromPlantClosureAfterTax",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_LuzDelSurMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Luz Del Sur [Member]",
        "label": "Luz Del Sur [Member]",
        "terseLabel": "Luz Del Sur [Member]"
       }
      }
     },
     "localname": "LuzDelSurMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_Marketelectricityforwardpriceinputs": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Market electricity forward price inputs.",
        "label": "Market Electricity Forward Price Inputs",
        "terseLabel": "Market electricity forward price inputs ( in dollars per MWH)"
       }
      }
     },
     "localname": "Marketelectricityforwardpriceinputs",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_MaximumOccupationalSafetyAndHealthFines": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum occupational safety and health fines",
        "label": "Maximum Occupational Safety And Health Fines",
        "terseLabel": "Maximum occupational safety and health fines"
       }
      }
     },
     "localname": "MaximumOccupationalSafetyAndHealthFines",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_MaximumOtherAssessments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum Other Assessments",
        "label": "Maximum Other Assessments",
        "verboseLabel": "Maximum other assessments in settlement of criminal complaint"
       }
      }
     },
     "localname": "MaximumOtherAssessments",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_NaturalGasContractsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Natural Gas Contracts [Member]",
        "terseLabel": "Natural Gas Contracts [Member]"
       }
      }
     },
     "localname": "NaturalGasContractsMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_NaturalGasDerivativeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Natural Gas Derivative [Member]",
        "label": "Natural Gas Derivative [Member]",
        "terseLabel": "Natural gas [Member]"
       }
      }
     },
     "localname": "NaturalGasDerivativeMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_NetOfTaxAmountMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Net-of-Tax Amount [Member]",
        "terseLabel": "Net-of-tax amount [Member]"
       }
      }
     },
     "localname": "NetOfTaxAmountMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_NoncontrollingInterestPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncontrolling Interest Policy [Policy Text Block]",
        "label": "Noncontrolling Interest Policy [Policy Text Block]",
        "terseLabel": "Noncontrolling Interest Policy"
       }
      }
     },
     "localname": "NoncontrollingInterestPolicyPolicyTextBlock",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sre_NoncontrollingTaxEquityInvestorsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncontrolling Tax Equity Investors [Member]",
        "label": "Noncontrolling Tax Equity Investors [Member]",
        "terseLabel": "Tax Equity Investors [Member]"
       }
      }
     },
     "localname": "NoncontrollingTaxEquityInvestorsMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_NoncontrollingTaxEquityInvestorsSolarMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncontrolling Tax Equity Investors, Solar [Member]",
        "label": "Noncontrolling Tax Equity Investors, Solar [Member]",
        "terseLabel": "Tax equity arrangement \u2013 solar [Member]"
       }
      }
     },
     "localname": "NoncontrollingTaxEquityInvestorsSolarMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_NoncontrollingTaxEquityInvestorsWindMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncontrolling Tax Equity Investors, Wind [Member]",
        "label": "Noncontrolling Tax Equity Investors, Wind [Member]",
        "terseLabel": "Tax equity arrangement \u2013 wind [Member]"
       }
      }
     },
     "localname": "NoncontrollingTaxEquityInvestorsWindMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_NuclearLiabilityInsuranceCoverageMaximum": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Nuclear Liability Insurance Coverage, Maximum",
        "terseLabel": "Maximum nuclear liability insurance coverage"
       }
      }
     },
     "localname": "NuclearLiabilityInsuranceCoverageMaximum",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_NuclearPropertyDamageInsurancePremiumAssessment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Nuclear Property Damage Insurance, Premium Assessment",
        "terseLabel": "Maximum premium assessment under nuclear property damage insurance"
       }
      }
     },
     "localname": "NuclearPropertyDamageInsurancePremiumAssessment",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_NuclearPropertyInsuranceCoverageMaximum": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Nuclear Property Insurance Coverage, Maximum",
        "terseLabel": "Maximum nuclear property insurance coverage"
       }
      }
     },
     "localname": "NuclearPropertyInsuranceCoverageMaximum",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_NuclearPropertyInsuranceTerrorismCoverageMaximum": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Nuclear Property Insurance Terrorism Coverage, Maximum",
        "terseLabel": "Maximum nuclear property insurance terrorism coverage"
       }
      }
     },
     "localname": "NuclearPropertyInsuranceTerrorismCoverageMaximum",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_NumberofLenders": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of Lenders",
        "label": "Number of Lenders",
        "terseLabel": "Number of lenders"
       }
      }
     },
     "localname": "NumberofLenders",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sre_NumberofPrimaryLinesofCredit": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of Primary Lines of Credit",
        "label": "Number of Primary Lines of Credit",
        "terseLabel": "Number of primary lines of credit"
       }
      }
     },
     "localname": "NumberofPrimaryLinesofCredit",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sre_OtayMesaVieMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Otay Mesa VIE [Member]",
        "terseLabel": "Otay Mesa VIE [Member]"
       }
      }
     },
     "localname": "OtayMesaVieMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other derivatives as hedging instruments at fair value net before cash collateral.",
        "label": "Other Derivatives As Hedging Instruments At Fair Value Net Before Cash Collateral",
        "totalLabel": "Net amounts presented on the balance sheet"
       }
      }
     },
     "localname": "OtherDerivativesAsHedgingInstrumentsAtFairValueNetBeforeCashCollateral",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_OtherIncomeLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Income [Line Items]",
        "label": "Other Income [Line Items]",
        "terseLabel": "Other Income [Line Items]"
       }
      }
     },
     "localname": "OtherIncomeLineItems",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_OtherIncomeTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Other Income [Table]",
        "terseLabel": "Other Income [Table]"
       }
      }
     },
     "localname": "OtherIncomeTable",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_OwnershipInterestsHeldByOthersBayGasStorageCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Bay Gas Storage Company [Member]",
        "terseLabel": "Bay Gas Storage Company, Ltd. [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersBayGasStorageCompanyMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersChilquintaEnergiaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Chilquinta Energia [Member]",
        "terseLabel": "Chilquinta Energ\u00eda subsidiaries [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersChilquintaEnergiaMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersIenovaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others IEnova [Member]",
        "terseLabel": "IEnova [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersIenovaMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersLibertyGasStorageMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Liberty Gas Storage [Member]",
        "terseLabel": "Liberty Gas Storage, LLC [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersLibertyGasStorageMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersLuzDelSurMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Luz Del Sur [Member]",
        "terseLabel": "Luz del Sur [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersLuzDelSurMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersOtayMesaVieMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Otay Mesa VIE [Member]",
        "verboseLabel": "Otay Mesa VIE [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersOtayMesaVieMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersSouthernGasTransmissionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Southern Gas Transmission [Member]",
        "terseLabel": "Southern Gas Transmission Company [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersSouthernGasTransmissionMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_OwnershipInterestsHeldByOthersTecsurMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Ownership Interests Held By Others, Tecsur [Member]",
        "terseLabel": "Tecsur [Member]"
       }
      }
     },
     "localname": "OwnershipInterestsHeldByOthersTecsurMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PayableRelatedToNaturalGasLeak": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 15.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Reserve for Aliso Canyon costs.",
        "label": "Payable Related To Natural Gas Leak",
        "terseLabel": "Reserve for Aliso Canyon costs"
       }
      }
     },
     "localname": "PayableRelatedToNaturalGasLeak",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PemexFourYearLoanAMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "PEMEX Four year loan A [Member]",
        "terseLabel": "PEMEX Four year loan A [Member]"
       }
      }
     },
     "localname": "PemexFourYearLoanAMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PemexFourYearLoanBMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "PEMEX Four year loan B [Member]",
        "terseLabel": "PEMEX Four year loan B [Member]"
       }
      }
     },
     "localname": "PemexFourYearLoanBMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PemexFourYearLoanCMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "PEMEX Four year loan C [Member]",
        "terseLabel": "PEMEX Four year loan C [Member]"
       }
      }
     },
     "localname": "PemexFourYearLoanCMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PemexThreeYearLoanAMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "PEMEX Three year loan A [Member]",
        "terseLabel": "PEMEX Three year loan A [Member]"
       }
      }
     },
     "localname": "PemexThreeYearLoanAMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PenaltyAssessments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Penalty Assessments",
        "label": "Penalty Assessments",
        "terseLabel": "Penalty assessments"
       }
      }
     },
     "localname": "PenaltyAssessments",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PensionObligationNetOfPlanAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Pension obligation, net of plan assets.",
        "label": "Pension obligation, net of plan assets",
        "terseLabel": "Pension obligation, net of plan assets"
       }
      }
     },
     "localname": "PensionObligationNetOfPlanAssets",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PortionOfRegulatoryAssetsArisingFromWildfireLitigationRelatedToCpucOperations": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Portion of Regulatory Assets Arising From Wildfire Litigation Related To CPUC Operations.",
        "label": "Portion of Regulatory Assets Arising From Wildfire Litigation Related To CPUC Operations",
        "terseLabel": "Portion of regulatory assets arising from wildfire litigation related to CPUC operations"
       }
      }
     },
     "localname": "PortionOfRegulatoryAssetsArisingFromWildfireLitigationRelatedToCpucOperations",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PortionofRegulatoryAssetsArisingFromWildfireLitigationRelatedToFERCRegulatedOperations": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Portion of Regulatory Assets Arising From Wildfire Litigation Related To FERC-Regulated Operations",
        "label": "Portion of Regulatory Assets Arising From Wildfire Litigation Related To FERC-Regulated Operations",
        "terseLabel": "Portion of regulatory assets arising from wildfire litigation related to FERC operations"
       }
      }
     },
     "localname": "PortionofRegulatoryAssetsArisingFromWildfireLitigationRelatedToFERCRegulatedOperations",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PotentialAfterTaxEarningsImpact": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Potential After-Tax Earnings Impact.",
        "label": "Potential After-Tax Earnings Impact",
        "verboseLabel": "Potential after-tax charge for nonrecovery of CPUC regulatory assets"
       }
      }
     },
     "localname": "PotentialAfterTaxEarningsImpact",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PowerPlantEnergyGeneratingCapacity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Power Plant, Energy Generating Capacity",
        "label": "Power Plant, Energy Generating Capacity",
        "terseLabel": "Power generating capacity"
       }
      }
     },
     "localname": "PowerPlantEnergyGeneratingCapacity",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "powerItemType"
    },
    "sre_PowerPurchaseAgreementTerm": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Power Purchase Agreement, Term",
        "label": "Power Purchase Agreement, Term",
        "terseLabel": "Term of power purchase agreement"
       }
      }
     },
     "localname": "PowerPurchaseAgreementTerm",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sre_ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow for the sales of nuclear decommissioning and other trust assets.",
        "label": "Proceeds from sales by nuclear decommissioning and other trusts",
        "terseLabel": "Proceeds from sales by nuclear decommissioning and other trusts"
       }
      }
     },
     "localname": "ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_PropertyClassActionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Property Class Action [Member]",
        "label": "Property Class Action [Member]",
        "terseLabel": "Property Class Action [Member]"
       }
      }
     },
     "localname": "PropertyClassActionMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PropertyDisputesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Property Disputes [Member]",
        "terseLabel": "Property Disputes [Member]"
       }
      }
     },
     "localname": "PropertyDisputesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_ProportionOfTotalGasStorageCapacityPercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proportion Of Total Gas Storage Capacity Percentage",
        "label": "Proportion Of Total Gas Storage Capacity, Percentage",
        "terseLabel": "Proportion of total gas storage capacity (percentage)"
       }
      }
     },
     "localname": "ProportionOfTotalGasStorageCapacityPercentage",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sre_PurchasedPowerContractsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Purchased Power Contracts [Member]",
        "terseLabel": "Purchased Power Contracts [Member]"
       }
      }
     },
     "localname": "PurchasedPowerContractsMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_PurchasesOfNuclearDecommissioningAndOtherTrustAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for the purchase of nuclear decommissioning and other trust assets.",
        "label": "Purchases of nuclear decommissioning and other trust assets",
        "negatedLabel": "Purchases of nuclear decommissioning and other trust assets"
       }
      }
     },
     "localname": "PurchasesOfNuclearDecommissioningAndOtherTrustAssets",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryAssetNuclearPlantClosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory Asset, Nuclear Plant Closure.",
        "label": "Regulatory Asset, Nuclear Plant Closure",
        "totalLabel": "Regulatory asset"
       }
      }
     },
     "localname": "RegulatoryAssetNuclearPlantClosure",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory Assets [Abstract]",
        "label": "Regulatory Assets [Abstract]",
        "terseLabel": "Regulatory Assets [Abstract]"
       }
      }
     },
     "localname": "RegulatoryAssetsAbstract",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 13.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory assets arising from pension and other posretirement benefit obligations.",
        "label": "Regulatory assets arising from pension and other postretirement benefit obligations",
        "terseLabel": "Regulatory assets arising from pension obligations"
       }
      }
     },
     "localname": "RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryAssetsArisingFromWildfireLitigationCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory assets arising from wildfire litigation costs.",
        "label": "Regulatory Assets Arising From Wildfire Litigation Costs",
        "terseLabel": "Regulatory assets arising from wildfire litigation costs"
       }
      }
     },
     "localname": "RegulatoryAssetsArisingFromWildfireLitigationCosts",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryBalancingAccountsOvercollected": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 9.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory balancing accounts, overcollected.",
        "label": "Regulatory Balancing Accounts, Overcollected",
        "terseLabel": "Regulatory balancing accounts \u2013 overcollected"
       }
      }
     },
     "localname": "RegulatoryBalancingAccountsOvercollected",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryBalancingAccountsUndercollected": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 9.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory balancing amounts, undercollected.",
        "label": "Regulatory Balancing Accounts, Undercollected",
        "terseLabel": "Regulatory balancing accounts \u2013 undercollected"
       }
      }
     },
     "localname": "RegulatoryBalancingAccountsUndercollected",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryInterestNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 7.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory interest, net.",
        "label": "Regulatory Interest, net",
        "terseLabel": "Regulatory Interest, net"
       }
      }
     },
     "localname": "RegulatoryInterestNet",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_RegulatoryLIabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regulatory LIabilities [Abstract]",
        "label": "Regulatory LIabilities [Abstract]",
        "terseLabel": "Regulatory LIabilities [Abstract]"
       }
      }
     },
     "localname": "RegulatoryLIabilitiesAbstract",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_RestrictedStockUnitsRSUsPerformancebasedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Restricted Stock Units (RSUs), Performance-based [Member]",
        "label": "Restricted Stock Units (RSUs), Performance-based [Member]",
        "terseLabel": "Performance-based RSUs [Member]"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUsPerformancebasedMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_RestrictedStockUnitsRSUsServicebasedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Restricted Stock Units (RSUs), Service-based [Member]",
        "label": "Restricted Stock Units (RSUs), Service-based [Member]",
        "terseLabel": "Service-based RSUs [Member]"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUsServicebasedMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_RockiesExpressMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Rockies Express [Member]",
        "terseLabel": "Rockies Express [Member]"
       }
      }
     },
     "localname": "RockiesExpressMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SDGESegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "S D G E Segment [Member]",
        "terseLabel": "SDG&amp;E [Member]"
       }
      }
     },
     "localname": "SDGESegmentMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SanDiegoGasAndElectricCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "San Diego Gas and Electric Company [Member]",
        "terseLabel": "San Diego Gas and Electric Company [Member]"
       }
      }
     },
     "localname": "SanDiegoGasAndElectricCompanyMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_ScheduleOfContributionsToBenefitPlansTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of contributions to benefit plans.",
        "label": "Schedule Of Contributions To Benefit Plans [Text Block]",
        "terseLabel": "Contributions to Benefit Plans Table"
       }
      }
     },
     "localname": "ScheduleOfContributionsToBenefitPlansTextBlock",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sre_ScheduleOfIncomeTaxExpenseAndEffectiveIncomeTaxRatesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Schedule Of Income Tax Expense And Effective Income Tax Rates [Table]",
        "terseLabel": "Schedule Of Income Tax Expense And Effective Income Tax Rates [Table]"
       }
      }
     },
     "localname": "ScheduleOfIncomeTaxExpenseAndEffectiveIncomeTaxRatesTable",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_ScheduleOfNuclearInsuranceAmountsTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Schedule Of Nuclear Insurance Amounts [Table]",
        "terseLabel": "Schedule Of Nuclear Insurance Amounts [Table]"
       }
      }
     },
     "localname": "ScheduleOfNuclearInsuranceAmountsTable",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_ScheduleOfNuclearInsuranceLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Schedule Of Nuclear Insurance [Line Items]",
        "terseLabel": "Schedule Of Nuclear Insurance [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfNuclearInsuranceLineItems",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_ScheduleofGreenhouseGasAllowancesandObligationsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of Greenhouse Gas Allowances and Obligations [Table Text Block]",
        "label": "Schedule of Greenhouse Gas Allowances and Obligations [Table Text Block]",
        "terseLabel": "Schedule of Greenhouse Gas Allowances and Obligations Table"
       }
      }
     },
     "localname": "ScheduleofGreenhouseGasAllowancesandObligationsTableTextBlock",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sre_SecondaryFinancialProtectionCompanyContributionAnnualMaximum": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Secondary Financial Protection, Company Contribution, Annual Maximum",
        "terseLabel": "Annual maximum secondary financial protection contribution by company"
       }
      }
     },
     "localname": "SecondaryFinancialProtectionCompanyContributionAnnualMaximum",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_SecondaryFinancialProtectionCompanyContributionMaximum": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Secondary Financial Protection, Company Contribution, Maximum",
        "terseLabel": "Maximum company contribution to secondary financial protection"
       }
      }
     },
     "localname": "SecondaryFinancialProtectionCompanyContributionMaximum",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_SecondaryFinancialProtectionMaximum": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Secondary Financial Protection, Maximum",
        "terseLabel": "Maximum secondary financial protection"
       }
      }
     },
     "localname": "SecondaryFinancialProtectionMaximum",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearInsuranceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_SegmentReportingInformationIncomeLossFromEquityMethodInvestmentsNetOfIncomeTax": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Segment reporting information, equity earnings (losses) recorded net of tax.",
        "label": "Segment Reporting Information Income Loss From Equity Method Investments Net Of Income Tax",
        "terseLabel": "Equity earnings (losses) net of tax"
       }
      }
     },
     "localname": "SegmentReportingInformationIncomeLossFromEquityMethodInvestmentsNetOfIncomeTax",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_SempraEnergyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Energy [Member]",
        "terseLabel": "Sempra Energy [Member]"
       }
      }
     },
     "localname": "SempraEnergyMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraGlobalMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sempra Global [Member]",
        "label": "Sempra Global [Member]",
        "terseLabel": "Sempra Global [Member]"
       }
      }
     },
     "localname": "SempraGlobalMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraLNGMidstreamMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sempra LNG &amp; Midstream [Member]",
        "label": "Sempra LNG &amp; Midstream [Member]",
        "terseLabel": "Sempra LNG &amp; Midstream [Member]"
       }
      }
     },
     "localname": "SempraLNGMidstreamMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraMexicoMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Mexico [Member]",
        "terseLabel": "Sempra Mexico [Member]"
       }
      }
     },
     "localname": "SempraMexicoMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraMexicoSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Mexico Segment [Member]",
        "terseLabel": "Sempra Mexico [Member]"
       }
      }
     },
     "localname": "SempraMexicoSegmentMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraNaturalGasMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Natural Gas [Member]",
        "terseLabel": "Sempra LNG &amp; Midstream [Member]"
       }
      }
     },
     "localname": "SempraNaturalGasMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraNaturalGasSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Natural Gas Segment [Member]",
        "terseLabel": "Sempra Natural Gas [Member]"
       }
      }
     },
     "localname": "SempraNaturalGasSegmentMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraRenewablesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Renewables [Member]",
        "terseLabel": "Sempra Renewables [Member]"
       }
      }
     },
     "localname": "SempraRenewablesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraRenewablesSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Renewables Segment [Member]",
        "terseLabel": "Sempra Renewables [Member]"
       }
      }
     },
     "localname": "SempraRenewablesSegmentMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraSouthAmericanUtilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra South American Utilities [Member]",
        "terseLabel": "Sempra South American Utilities [Member]"
       }
      }
     },
     "localname": "SempraSouthAmericanUtilitiesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraSouthAmericanUtilitiesSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra South American Utilities Segment [Member]",
        "terseLabel": "Sempra South American Utilities [Member]"
       }
      }
     },
     "localname": "SempraSouthAmericanUtilitiesSegmentMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraU.S.BusinessesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sempra U.S. Businesses [Member]",
        "label": "Sempra U.S. Businesses [Member]",
        "terseLabel": "Sempra U.S. Businesses [Member]"
       }
      }
     },
     "localname": "SempraU.S.BusinessesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SempraenergyconsolidatedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Sempra Energy Consolidated [Member]",
        "terseLabel": "Sempra Energy Consolidated [Member]"
       }
      }
     },
     "localname": "SempraenergyconsolidatedMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SoCalGasSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "So Cal Gas Segment [Member]",
        "terseLabel": "SoCalGas [Member]"
       }
      }
     },
     "localname": "SoCalGasSegmentMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SouthAmericaUtilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "South America Utilities [Member]",
        "terseLabel": "South American Utilities [Member]"
       }
      }
     },
     "localname": "SouthAmericaUtilitiesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SouthAmericanUtilitiesandMexicoCombinedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "South American Utilities and Mexico Combined [Member]",
        "label": "South American Utilities and Mexico Combined [Member]",
        "terseLabel": "Foreign Operations [Member]"
       }
      }
     },
     "localname": "SouthAmericanUtilitiesandMexicoCombinedMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SouthernCaliforniaGasCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Southern California Gas Company [Member]",
        "terseLabel": "Southern California Gas Company [Member]"
       }
      }
     },
     "localname": "SouthernCaliforniaGasCompanyMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_StorageFacilityMaximumCapacity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Natural Gas Storage Facility Maximum Capacity",
        "label": "Storage Facility Maximum Capacity",
        "terseLabel": "Storage facility capacity"
       }
      }
     },
     "localname": "StorageFacilityMaximumCapacity",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sre_SubsdiaryOfCommonParentSoCalGasMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Subsdiary Of Common Parent So Cal Gas [Member]",
        "terseLabel": "Due to/from SoCalGas [Member]"
       }
      }
     },
     "localname": "SubsdiaryOfCommonParentSoCalGasMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SubsidiaryOfCommonParentOtherAffiliatesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Subsidiary Of Common Parent Other Affiliates [Member]",
        "terseLabel": "Due to/from Other Affiliates [Member]"
       }
      }
     },
     "localname": "SubsidiaryOfCommonParentOtherAffiliatesMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_SubsidiaryOfCommonParentSDGEMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Subsidiary Of Common Parent S D G E [Member]",
        "terseLabel": "Due to/from SDG&amp;E [Member]"
       }
      }
     },
     "localname": "SubsidiaryOfCommonParentSDGEMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_TermoelctricaDeMexicaliMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Termoelectrica de Mexicali [Member]",
        "terseLabel": "TdM [Member]"
       }
      }
     },
     "localname": "TermoelctricaDeMexicaliMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_TotalComprehensiveIncomeBeforePreferredStockDividendRequirements": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total comprehensive income before preferred stock dividend requirements.",
        "label": "Total Comprehensive Income Before Preferred Stock Dividend Requirements",
        "terseLabel": "Comprehensive income (loss)",
        "totalLabel": "Comprehensive income",
        "verboseLabel": "Comprehensive income"
       }
      }
     },
     "localname": "TotalComprehensiveIncomeBeforePreferredStockDividendRequirements",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_TotalEquityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Total Equity [Member]",
        "terseLabel": "Total [Member]"
       }
      }
     },
     "localname": "TotalEquityMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_TotalInvestmentsAndOtherAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total investments and other assets.",
        "label": "Total Investments And Other Assets",
        "totalLabel": "Total other assets"
       }
      }
     },
     "localname": "TotalInvestmentsAndOtherAssets",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_TotalOwnershipMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Total Ownership [Member]",
        "terseLabel": "Total Ownership [Member]"
       }
      }
     },
     "localname": "TotalOwnershipMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sre_UnamortizedDiscountAndDebtIssuanceCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unamortized Discount and Debt Issuance Costs",
        "label": "Unamortized Discount and Debt Issuance Costs",
        "terseLabel": "Unamortized discount (net of premium) and debt issuance costs"
       }
      }
     },
     "localname": "UnamortizedDiscountAndDebtIssuanceCosts",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_UtilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Utilities [Abstract]",
        "terseLabel": "Utilities:"
       }
      }
     },
     "localname": "UtilitiesAbstract",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "sre_UtilityOperatingRevenueFuel": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Utility Operating Revenue, Fuel",
        "label": "Utility Operating Revenue, Fuel",
        "negatedTerseLabel": "Cost of electric fuel and purchased power"
       }
      }
     },
     "localname": "UtilityOperatingRevenueFuel",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_VatTaxClaimAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "VAT Tax Claim Amount.",
        "label": "VAT Tax Claim Amount",
        "verboseLabel": "VAT tax claim paid upon appeal"
       }
      }
     },
     "localname": "VatTaxClaimAmount",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sre_Vestedrsusincludedinbasicwaso": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Vested restricted stock units included in basic weighted average shares outstanding.",
        "label": "Vested RSUs included in basic WASO",
        "terseLabel": "Vested RSUs included in basic WASO"
       }
      }
     },
     "localname": "Vestedrsusincludedinbasicwaso",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sre_WildfireMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "",
        "label": "Wildfire [Member]",
        "terseLabel": "Wildfire [Member]"
       }
      }
     },
     "localname": "WildfireMember",
     "nsuri": "http://www.sempra.com/20170331",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsNotesAndLoansReceivableNetCurrent": {
     "auth_ref": [
      "r104"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate of amounts due from customers or clients, within one year of the balance sheet date (or one operating cycle, if longer), for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date within one year of the balance sheet, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.",
        "label": "Accounts, Notes, Loans and Financing Receivable, Net, Current",
        "terseLabel": "Accounts receivable \u2013 other, net"
       }
      }
     },
     "localname": "AccountsNotesAndLoansReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsPayableOtherCurrent": {
     "auth_ref": [
      "r10",
      "r59",
      "r89"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.",
        "label": "Accounts Payable, Other, Current",
        "terseLabel": "Accounts payable \u2013 other"
       }
      }
     },
     "localname": "AccountsPayableOtherCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsPayableTradeCurrent": {
     "auth_ref": [
      "r10",
      "r59",
      "r89"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accounts Payable, Trade, Current",
        "terseLabel": "Accounts payable \u2013 trade"
       }
      }
     },
     "localname": "AccountsPayableTradeCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "auth_ref": [
      "r75",
      "r80"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.",
        "label": "Accounts Receivable, Net, Current",
        "terseLabel": "Accounts receivable \u2013 trade, net"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedIncomeTaxesCurrent": {
     "auth_ref": [
      "r70",
      "r469",
      "r491"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.",
        "label": "Accrued Income Taxes, Current",
        "terseLabel": "Income taxes payable"
       }
      }
     },
     "localname": "AccruedIncomeTaxesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDeferredInvestmentTaxCredit": {
     "auth_ref": [
      "r100",
      "r185",
      "r334"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life.",
        "label": "Accumulated Deferred Investment Tax Credit",
        "terseLabel": "Deferred investment tax credits"
       }
      }
     },
     "localname": "AccumulatedDeferredInvestmentTaxCredit",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember": {
     "auth_ref": [
      "r116",
      "r121",
      "r314",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive (income) loss related to defined benefit plans attributable to the parent.",
        "label": "Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]",
        "terseLabel": "Pension and other postretirement benefits [Member]",
        "verboseLabel": "Pension and Other Postretirement Benefits [Member]"
       }
      }
     },
     "localname": "AccumulatedDefinedBenefitPlansAdjustmentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember": {
     "auth_ref": [
      "r115",
      "r121",
      "r313",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive income (loss) related to gain (loss) component of defined benefit plans attributable to the parent.",
        "label": "Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]",
        "terseLabel": "Gain (Loss) on Pension and Other Postretirement Benefits [Member]"
       }
      }
     },
     "localname": "AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r87",
      "r261"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
        "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
        "negatedLabel": "Less accumulated depreciation and amortization"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedNetGainLossFromCashFlowHedgesAttributableToNoncontrollingInterestMember": {
     "auth_ref": [
      "r114",
      "r121",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive income (loss) resulting from gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, attributable to the noncontrolling interest.",
        "label": "Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest [Member]",
        "terseLabel": "Gains (Losses) on Cash Flow hedges Attributable to Noncontrolling Interests [Member]"
       }
      }
     },
     "localname": "AccumulatedNetGainLossFromCashFlowHedgesAttributableToNoncontrollingInterestMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember": {
     "auth_ref": [
      "r114",
      "r121",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive income (loss) resulting from gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, including the portion attributable to the noncontrolling interest.",
        "label": "Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [Member]",
        "verboseLabel": "Gains (Losses) on Cash Flow hedges [Member]"
       }
      }
     },
     "localname": "AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember": {
     "auth_ref": [
      "r114",
      "r121",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive income (loss) resulting from gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, attributable to the parent.",
        "label": "Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]",
        "terseLabel": "Financial instruments [Member]",
        "verboseLabel": "Gains (Losses) on Cash Flow hedges Attributable to Parent [Member]"
       }
      }
     },
     "localname": "AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Accumulated Other Comprehensive Income (Loss) [Line Items]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Line Items]"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r118",
      "r120",
      "r121"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.",
        "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax",
        "periodEndLabel": "AOCI, ending balance",
        "periodStartLabel": "AOCI, beginning balance",
        "terseLabel": "Accumulated other comprehensive income (loss)"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss).",
        "label": "Accumulated Other Comprehensive Income (Loss) [Table]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedTranslationAdjustmentMember": {
     "auth_ref": [
      "r112",
      "r121",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to the parent.",
        "label": "Accumulated Foreign Currency Adjustment Attributable to Parent [Member]",
        "terseLabel": "Foreign currency translation adjustments [Member]"
       }
      }
     },
     "localname": "AccumulatedTranslationAdjustmentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalCollateralAggregateFairValue": {
     "auth_ref": [
      "r392"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.",
        "label": "Additional Collateral, Aggregate Fair Value",
        "terseLabel": "Additional collateral that wil be required if credit rating falls below investment grade"
       }
      }
     },
     "localname": "AdditionalCollateralAggregateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalFinancialInformationDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement.",
        "label": "Additional Financial Information Disclosure [Text Block]",
        "verboseLabel": "Other Financial Data"
       }
      }
     },
     "localname": "AdditionalFinancialInformationDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialData"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by new accounting pronouncement.",
        "label": "Adjustments for New Accounting Pronouncements [Axis]",
        "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]"
       }
      }
     },
     "localname": "AdjustmentsForNewAccountingPronouncementsAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r157"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of adjustments to net income or loss necessary to remove the effects of all items whose cash effects are investing or financing cash flows. The aggregate amount also includes all noncash expenses and income items which reduce or increase net income and are thus added back or deducted when calculating cash provided by or used in operating activities.",
        "label": "Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "auth_ref": [
      "r324",
      "r326",
      "r331",
      "r332"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words \"stock-based compensation\".",
        "label": "Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition",
        "terseLabel": "Share-based compensation expense"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile net income to net cash provided by operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r2",
      "r7",
      "r12",
      "r192"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Antidilutive securities excluded from earnings per share"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AssetRetirementObligationCostsMember": {
     "auth_ref": [
      "r511",
      "r517"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rate action of a regulator resulting in capitalization or accrual of costs for the retirement of long-lived assets.",
        "label": "Asset Retirement Obligation Costs [Member]",
        "terseLabel": "Asset Retirement Obligation Costs [Member]"
       }
      }
     },
     "localname": "AssetRetirementObligationCostsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetRetirementObligationCurrent": {
     "auth_ref": [
      "r267"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 12.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Current portion of 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.",
        "label": "Asset Retirement Obligation, Current",
        "terseLabel": "Asset retirement obligations"
       }
      }
     },
     "localname": "AssetRetirementObligationCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetRetirementObligationsNoncurrent": {
     "auth_ref": [
      "r267"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncurrent portion of 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.",
        "label": "Asset Retirement Obligations, Noncurrent",
        "terseLabel": "Asset retirement obligations"
       }
      }
     },
     "localname": "AssetRetirementObligationsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r467",
      "r489"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "terseLabel": "ASSETS",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "ASSETS"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsCurrent": {
     "auth_ref": [
      "r54",
      "r56",
      "r108"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Current",
        "totalLabel": "Total current assets"
       }
      }
     },
     "localname": "AssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Current [Abstract]",
        "terseLabel": "Current assets:"
       }
      }
     },
     "localname": "AssetsCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsFairValueDisclosureRecurring": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.",
        "label": "Assets, Fair Value Disclosure, Recurring",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "AssetsFairValueDisclosureRecurring",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsHeldInTrustNoncurrent": {
     "auth_ref": [
      "r170"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.",
        "label": "Assets Held-in-trust, Noncurrent",
        "terseLabel": "Rabbi trust",
        "verboseLabel": "Dedicated assets in support of certain benefit plans"
       }
      }
     },
     "localname": "AssetsHeldInTrustNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataRabbiTrustDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Noncurrent [Abstract]",
        "terseLabel": "Other assets:"
       }
      }
     },
     "localname": "AssetsNoncurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as assets attributable to disposal group held for sale or disposed of.",
        "label": "Disposal Group, Including Discontinued Operation, Assets",
        "totalLabel": "Total assets held for sale"
       }
      }
     },
     "localname": "AssetsOfDisposalGroupIncludingDiscontinuedOperation",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Disposal Group, Including Discontinued Operation, Assets [Abstract]",
        "terseLabel": "Assets Held for Sale, Assets [Abstract]"
       }
      }
     },
     "localname": "AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r258",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 13.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Assets, Current",
        "terseLabel": "Assets held for sale"
       }
      }
     },
     "localname": "AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecurities": {
     "auth_ref": [
      "r226",
      "r227",
      "r233"
     ],
     "calculation": {
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesAmortizedCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.",
        "label": "Available-for-sale Securities",
        "terseLabel": "Estimated fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": {
     "auth_ref": [
      "r229"
     ],
     "calculation": {
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesAmortizedCost",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.",
        "label": "Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax",
        "terseLabel": "Gross unrealized gains"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": {
     "auth_ref": [
      "r230"
     ],
     "calculation": {
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesAmortizedCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.",
        "label": "Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax",
        "negatedTerseLabel": "Gross unrealized losses"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesAmortizedCost": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.",
        "label": "Available-for-sale Securities, Amortized Cost Basis",
        "totalLabel": "Cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesGrossRealizedGains": {
     "auth_ref": [
      "r237"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.",
        "label": "Available-for-sale Securities, Gross Realized Gains",
        "terseLabel": "Gross realized gains"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossRealizedGains",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds": {
     "auth_ref": [
      "r237"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.",
        "label": "Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds",
        "terseLabel": "Proceeds from sales"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses": {
     "auth_ref": [
      "r237"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.",
        "label": "Available-for-sale Securities, Gross Realized Losses",
        "negatedLabel": "Gross realized losses"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossRealizedLosses",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesTextBlock": {
     "auth_ref": [
      "r231",
      "r232",
      "r234",
      "r235",
      "r240",
      "r482",
      "r483"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.",
        "label": "Available-for-sale Securities [Table Text Block]",
        "terseLabel": "Schedule of Nuclear Decommissioning Trusts Investments"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r327",
      "r330"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by award type pertaining to equity-based compensation.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type [Axis]"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location on balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Axis]",
        "terseLabel": "Balance Sheet Location [Axis]"
       }
      }
     },
     "localname": "BalanceSheetLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "auth_ref": [
      "r375",
      "r380"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Domain]",
        "terseLabel": "Balance Sheet Location [Domain]"
       }
      }
     },
     "localname": "BalanceSheetLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Basis of Accounting, Policy [Policy Text Block]",
        "terseLabel": "Basis of Presentation"
       }
      }
     },
     "localname": "BasisOfAccountingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_BusinessCombinationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Business Combinations [Abstract]"
       }
      }
     },
     "localname": "BusinessCombinationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CapitalExpendituresIncurredButNotYetPaid": {
     "auth_ref": [
      "r163",
      "r164",
      "r165"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Future cash outflow to pay for purchases of fixed assets that have occurred.",
        "label": "Capital Expenditures Incurred but Not yet Paid",
        "terseLabel": "Accrued capital expenditures"
       }
      }
     },
     "localname": "CapitalExpendituresIncurredButNotYetPaid",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeaseObligations": {
     "auth_ref": [
      "r71",
      "r449",
      "r493"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.",
        "label": "Capital Lease Obligations",
        "terseLabel": "Capital lease obligations"
       }
      }
     },
     "localname": "CapitalLeaseObligations",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsDue": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases.",
        "label": "Capital Leases, Future Minimum Payments Due",
        "totalLabel": "Total minimum lease payments"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsDue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Capital Leases, Future Minimum Payments Due in Five Years",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsDueInFiveYears",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Capital Leases, Future Minimum Payments Due in Four Years",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsDueInFourYears",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Capital Leases, Future Minimum Payments Due in Three Years",
        "terseLabel": "2019"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsDueInThreeYears",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Capital Leases, Future Minimum Payments Due in Two Years",
        "terseLabel": "2018"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsDueInTwoYears",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Capital Leases, Future Minimum Payments Due Thereafter",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsDueThereafter",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount necessary to reduce net minimum lease payments to present value for capital leases.",
        "label": "Capital Leases, Future Minimum Payments, Interest Included in Payments",
        "negatedTerseLabel": "Less: interest"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments": {
     "auth_ref": [
      "r449"
     ],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.",
        "label": "Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments",
        "totalLabel": "Present value of net minimum lease payments"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of minimum lease payments for capital leases due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Capital Leases, Future Minimum Payments, Remainder of Fiscal Year",
        "terseLabel": "2017"
       }
      }
     },
     "localname": "CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CarryingReportedAmountFairValueDisclosureMember": {
     "auth_ref": [
      "r426",
      "r427"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as reported on the statement of financial position (balance sheet).",
        "label": "Reported Value Measurement [Member]",
        "terseLabel": "Carrying amount [Member]"
       }
      }
     },
     "localname": "CarryingReportedAmountFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r4",
      "r5",
      "r51",
      "r84",
      "r158"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "periodEndLabel": "Cash and cash equivalents, March 31",
        "periodStartLabel": "Cash and cash equivalents, January 1",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsMember": {
     "auth_ref": [
      "r4",
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash and Cash Equivalents [Member]",
        "terseLabel": "Cash and cash equivalents [Member]"
       }
      }
     },
     "localname": "CashAndCashEquivalentsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease": {
     "auth_ref": [
      "r152",
      "r438"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.",
        "label": "Cash and Cash Equivalents, Period Increase (Decrease)",
        "totalLabel": "Increase (decrease) in cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsPeriodIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths": {
     "auth_ref": [
      "r403"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.",
        "label": "Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months",
        "terseLabel": "Losses on cash flow hedges to be reclassified from AOCI within 12 months"
       }
      }
     },
     "localname": "CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowHedgingMember": {
     "auth_ref": [
      "r372"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Hedge of the exposure to variability in the cash flows of a recognized asset or liability, or of a forecasted transaction, that is attributable to a particular risk.",
        "label": "Cash Flow Hedging [Member]",
        "terseLabel": "Cash Flow Hedging [Member]"
       }
      }
     },
     "localname": "CashFlowHedgingMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]",
        "terseLabel": "SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES"
       }
      }
     },
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ClassificationOfVariableInterestEntityDomain": {
     "auth_ref": [
      "r355",
      "r357",
      "r359",
      "r360"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Categorization of Variable Interest Entities (VIE) for consolidation and (or) disclosure purposes, whether individually or in aggregate, by: (1) VIEs consolidated because the entity is the primary beneficiary, (2) VIEs not consolidated because the entity is not the primary beneficiary, and (3) VIEs or potential VIEs that are not consolidated because necessary information is not available. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. A VIE often holds financial assets, including loans or receivables, real estate or other property. A VIE may be essentially passive or it may engage in research and development or other activities on behalf of another company.",
        "label": "Variable Interest Entity, Classification [Domain]",
        "terseLabel": "Variable Interest Entity, Classification [Domain]"
       }
      }
     },
     "localname": "ClassificationOfVariableInterestEntityDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommercialPaperMember": {
     "auth_ref": [
      "r288"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unsecured promissory note (generally negotiable) that provides institutions with short-term funds.",
        "label": "Commercial Paper [Member]",
        "terseLabel": "Commercial Paper [Member]"
       }
      }
     },
     "localname": "CommercialPaperMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r99",
      "r270",
      "r476",
      "r497"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
        "label": "Commitments and Contingencies",
        "verboseLabel": "Commitments and contingencies (Note 11)"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r99",
      "r268",
      "r274",
      "r287",
      "r434"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for commitments and contingencies.",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommodityContractMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instrument whose primary underlying risk is tied to commodity prices.",
        "label": "Commodity Contract [Member]",
        "verboseLabel": "Commodity contracts not subject to rate recovery [Member]"
       }
      }
     },
     "localname": "CommodityContractMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockDividendsPerShareDeclared": {
     "auth_ref": [
      "r295"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding.",
        "label": "Common Stock, Dividends, Per Share, Declared",
        "terseLabel": "Dividends declared per share of common stock (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockDividendsPerShareDeclared",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockIssuedEmployeeStockTrust": {
     "auth_ref": [
      "r297"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of common stock issued to a trust (for example, a 'rabbi trust') set up specifically to accumulate stock for the sole purpose of distribution to participating employees. This trust does not allow employees to immediately or after a holding period diversify into nonemployer securities. The deferred compensation plan for which this trust is set up must be settled by the delivery of a fixed number of shares of employer stock.",
        "label": "Common Stock Issued, Employee Stock Trust",
        "terseLabel": "Common dividends issued in stock"
       }
      }
     },
     "localname": "CommonStockIssuedEmployeeStockTrust",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommonStockNoParValue": {
     "auth_ref": [
      "r74"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount per share of no-par value common stock.",
        "label": "Common Stock, No Par Value",
        "terseLabel": "Common stock, No par value (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockNoParValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r74"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r74",
      "r290"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.",
        "label": "Common Stock, Shares, Outstanding",
        "terseLabel": "Common stock, shares outstanding"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r74"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Common Stock, Value, Issued",
        "terseLabel": "Common stock"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConsolidationItemsAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Axis]",
        "terseLabel": "Consolidation Items [Axis]"
       }
      }
     },
     "localname": "ConsolidationItemsAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConsolidationItemsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Domain]",
        "terseLabel": "Consolidation Items [Domain]"
       }
      }
     },
     "localname": "ConsolidationItemsDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConsolidationVariableInterestEntityPolicy": {
     "auth_ref": [
      "r167",
      "r354",
      "r356",
      "r358"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).",
        "label": "Consolidation, Variable Interest Entity, Policy [Policy Text Block]",
        "terseLabel": "Variable Interest Entity Policy"
       }
      }
     },
     "localname": "ConsolidationVariableInterestEntityPolicy",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ConstructionInProgressGross": {
     "auth_ref": [
      "r260"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.",
        "label": "Construction in Progress, Gross",
        "verboseLabel": "Construction work in progress of new compressor station"
       }
      }
     },
     "localname": "ConstructionInProgressGross",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CorporateJointVentureMember": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Corporation owned and operated by a small group of ventures to accomplish a mutually beneficial venture or project.",
        "label": "Corporate Joint Venture [Member]",
        "terseLabel": "Joint Venture [Member]"
       }
      }
     },
     "localname": "CorporateJointVentureMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CorporateNonSegmentMember": {
     "auth_ref": [
      "r217"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and is not considered an operating segment.",
        "label": "Corporate, Non-Segment [Member]",
        "terseLabel": "All other [Member]"
       }
      }
     },
     "localname": "CorporateNonSegmentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CostOfDomesticRegulatedElectric": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 12.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cost of electricity sold during the reporting period, operations of which is regulated by a federal or state agency.",
        "label": "Cost of Domestic Regulated Electric",
        "negatedLabel": "Cost of electric fuel and purchased power"
       }
      }
     },
     "localname": "CostOfDomesticRegulatedElectric",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostOfNaturalGasPurchases": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 11.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cost of natural gas purchased and associated transportation and storage costs during the period.",
        "label": "Cost of Natural Gas Purchases",
        "negatedLabel": "Cost of natural gas"
       }
      }
     },
     "localname": "CostOfNaturalGasPurchases",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostsAndExpensesRelatedParty": {
     "auth_ref": [
      "r133"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Costs of sales and operating expenses for the period incurred from transactions with related parties.",
        "label": "Costs and Expenses, Related Party",
        "terseLabel": "Costs of sales to related parties"
       }
      }
     },
     "localname": "CostsAndExpensesRelatedParty",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CrossCurrencyInterestRateContractMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.",
        "label": "Cross Currency Interest Rate Contract [Member]",
        "terseLabel": "Interest rate and foreign exchange instruments [Member]",
        "verboseLabel": "Cross currency swaps [Member]"
       }
      }
     },
     "localname": "CrossCurrencyInterestRateContractMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.",
        "label": "Cumulative Effect of New Accounting Principle in Period of Adoption",
        "terseLabel": "Cumulative-effect adjustment from change in accounting principle",
        "verboseLabel": "Cumulative-effect adjustment"
       }
      }
     },
     "localname": "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CustomerAdvancesForConstruction": {
     "auth_ref": [
      "r98",
      "r462"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For utilities only, represents the carrying amount of the liability as of the balance sheet date for payments received by a utility from its customers in advance of performing its obligations under terms of its construction agreements.",
        "label": "Customer Advances for Construction",
        "terseLabel": "Customer advances for construction"
       }
      }
     },
     "localname": "CustomerAdvancesForConstruction",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CustomerDepositsCurrent": {
     "auth_ref": [
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 14.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.",
        "label": "Customer Deposits, Current",
        "terseLabel": "Customer deposits"
       }
      }
     },
     "localname": "CustomerDepositsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DamagesFromProductDefectsMember": {
     "auth_ref": [
      "r279"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The risk of loss arises with respect to product defects and recalls, or improperly performed services which actually or allegedly resulted in damages suffered by the injured party, excluding major product liability matters.",
        "label": "Damages from Product Defects [Member]",
        "terseLabel": "Damages from Product Defects [Member]"
       }
      }
     },
     "localname": "DamagesFromProductDefectsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtConversionConvertedInstrumentAmount1": {
     "auth_ref": [
      "r163",
      "r165"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.",
        "label": "Debt Conversion, Converted Instrument, Amount",
        "terseLabel": "Equitization of note receivable due from unconsolidated affiliate"
       }
      }
     },
     "localname": "DebtConversionConvertedInstrumentAmount1",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r92",
      "r291"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.",
        "label": "Debt Disclosure [Text Block]",
        "terseLabel": "Debt and Credit Facilities"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r68",
      "r70",
      "r71",
      "r468",
      "r471",
      "r486"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument [Axis]"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.",
        "label": "Debt Instrument, Basis Spread on Variable Rate",
        "terseLabel": "Spread on variable rate"
       }
      }
     },
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentCarryingAmount": {
     "auth_ref": [
      "r71",
      "r471",
      "r486"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.",
        "label": "Long-term Debt, Gross",
        "terseLabel": "Long-term debt, gross"
       }
      }
     },
     "localname": "DebtInstrumentCarryingAmount",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "auth_ref": [
      "r446",
      "r448"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face (par) amount of debt instrument at time of issuance.",
        "label": "Debt Instrument, Face Amount",
        "terseLabel": "Debt amount offered and sold"
       }
      }
     },
     "localname": "DebtInstrumentFaceAmount",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "auth_ref": [
      "r96"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.",
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "terseLabel": "Stated rate of debt offered and sold"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "localname": "DebtInstrumentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r97"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name [Domain]"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r97",
      "r171",
      "r291",
      "r292",
      "r293",
      "r294",
      "r445",
      "r446",
      "r448",
      "r485"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table]",
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentTerm": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Debt Instrument, Term",
        "terseLabel": "Term of debt instrument"
       }
      }
     },
     "localname": "DebtInstrumentTerm",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_DebtSecuritiesMember": {
     "auth_ref": [
      "r222"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions.",
        "label": "Debt Securities [Member]",
        "terseLabel": "Total debt securities [Member]"
       }
      }
     },
     "localname": "DebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DecommissioningFundInvestments": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Decommission fund to pay for the costs of decontaminating and decommissioning of facilities through collection of revenues derived from utility assessments and government appropriations. Decommission fund investment for the process whereby a power station, at the end of its economic life, is taken permanently out of service and its site made available for other purposes. In the case of a nuclear station this comprises three different states of clearance. Immediately after the final closure, radioactive material such as nuclear fuel and operational waste is removed and the buildings surrounding the reactor shield are dismantled and finally the reactor itself is dismantled.",
        "label": "Decommissioning Fund Investments",
        "terseLabel": "Nuclear decommissioning trusts"
       }
      }
     },
     "localname": "DecommissioningFundInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DecommissioningLiabilityNoncurrent": {
     "auth_ref": [
      "r280"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of a decommissioning liability associated with a legal obligation that a firm incurs when it constructs or operates an asset that must eventually be withdrawn from active service. This may include operating assets such as nuclear power plants or shipping vessels.",
        "label": "Decommissioning Liability, Noncurrent",
        "verboseLabel": "Regulatory liabilities arising from removal obligations"
       }
      }
     },
     "localname": "DecommissioningLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DecommissioningTrustAssetsAmount": {
     "auth_ref": [
      "r266"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fair value of investments held in a trust fund to pay for the costs of decontaminating and decommissioning facilities, whether such amount is presented as a separate caption or as a parenthetical disclosure on the balance sheet. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.",
        "label": "Decommissioning Fund Investments, Fair Value",
        "totalLabel": "Total nuclear decommissioning trusts"
       }
      }
     },
     "localname": "DecommissioningTrustAssetsAmount",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DecreaseInRestrictedCash": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.",
        "label": "Decrease in Restricted Cash",
        "terseLabel": "Decreases in restricted cash"
       }
      }
     },
     "localname": "DecreaseInRestrictedCash",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]",
        "terseLabel": "Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]"
       }
      }
     },
     "localname": "DeferredCompensationArrangementWithIndividualShareBasedPaymentsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredCreditsAndOtherLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (other liabilities).",
        "label": "Deferred Credits and Other Liabilities",
        "terseLabel": "Deferred credits and other"
       }
      }
     },
     "localname": "DeferredCreditsAndOtherLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Deferred Credits and Other Liabilities [Abstract]",
        "terseLabel": "Deferred credits and other liabilities:"
       }
      }
     },
     "localname": "DeferredCreditsAndOtherLiabilitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredIncomeTaxesAndTaxCredits": {
     "auth_ref": [
      "r157",
      "r333"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of deferred income tax expense (benefit) and income tax credits.",
        "label": "Deferred Income Taxes and Tax Credits",
        "terseLabel": "Deferred income taxes and investment tax credits"
       }
      }
     },
     "localname": "DeferredIncomeTaxesAndTaxCredits",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent": {
     "auth_ref": [
      "r335",
      "r336",
      "r341"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 10.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.",
        "label": "Deferred Tax Assets, Net, Noncurrent",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DeferredTaxAssetsLiabilitiesNetNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxLiabilitiesNoncurrent": {
     "auth_ref": [
      "r335",
      "r336",
      "r337"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.",
        "label": "Deferred Tax Liabilities, Net, Noncurrent",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DeferredTaxLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of gains or losses recognized in net periodic benefit cost.",
        "label": "Defined Benefit Plan, Amortization of Gains (Losses)",
        "negatedLabel": "Actuarial loss (gain)"
       }
      }
     },
     "localname": "DefinedBenefitPlanAmortizationOfGainsLosses",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit": {
     "auth_ref": [
      "r29",
      "r309"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.",
        "label": "Defined Benefit Plan, Amortization of Prior Service Cost (Credit)",
        "terseLabel": "Prior service cost (credit)"
       }
      }
     },
     "localname": "DefinedBenefitPlanAmortizationOfPriorServiceCostCredit",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanContributionsByEmployer": {
     "auth_ref": [
      "r304",
      "r306",
      "r307",
      "r321",
      "r322"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of contributions made by the employer to defined benefit plans.",
        "label": "Defined Benefit Plan, Contributions by Employer",
        "terseLabel": "Contributions by employer"
       }
      }
     },
     "localname": "DefinedBenefitPlanContributionsByEmployer",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Defined Benefit Plan Disclosure [Line Items]",
        "terseLabel": "Defined Benefit Plan Disclosure [Line Items]"
       }
      }
     },
     "localname": "DefinedBenefitPlanDisclosureLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DefinedBenefitPlanExpectedContributionsInCurrentFiscalYear": {
     "auth_ref": [
      "r319"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the employer's best estimate of contributions expected to be paid to the plan in the current fiscal period.",
        "label": "Defined Benefit Plan, Expected Contributions in Current Fiscal Year",
        "terseLabel": "Expected contributions in current fiscal year"
       }
      }
     },
     "localname": "DefinedBenefitPlanExpectedContributionsInCurrentFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets": {
     "auth_ref": [
      "r15",
      "r311"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.",
        "label": "Defined Benefit Plan, Expected Return on Plan Assets",
        "negatedLabel": "Expected return on assets"
       }
      }
     },
     "localname": "DefinedBenefitPlanExpectedReturnOnPlanAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanInterestCost": {
     "auth_ref": [
      "r303",
      "r310"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.",
        "label": "Defined Benefit Plan, Interest Cost",
        "terseLabel": "Interest cost"
       }
      }
     },
     "localname": "DefinedBenefitPlanInterestCost",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost": {
     "auth_ref": [
      "r308",
      "r314"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.",
        "label": "Defined Benefit Plan, Net Periodic Benefit Cost",
        "totalLabel": "Total net periodic benefit cost"
       }
      }
     },
     "localname": "DefinedBenefitPlanNetPeriodicBenefitCost",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]"
       }
      }
     },
     "localname": "DefinedBenefitPlanNetPeriodicBenefitCostAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DefinedBenefitPlanServiceCost": {
     "auth_ref": [
      "r32",
      "r302",
      "r309"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.",
        "label": "Defined Benefit Plan, Service Cost",
        "terseLabel": "Service cost"
       }
      }
     },
     "localname": "DefinedBenefitPlanServiceCost",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis": {
     "auth_ref": [
      "r315",
      "r316",
      "r317",
      "r318"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by defined benefits pension or other postretirement plan or groupings of similar plans.",
        "label": "Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]",
        "terseLabel": "Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]"
       }
      }
     },
     "localname": "DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DefinedBenefitPlansDomain": {
     "auth_ref": [
      "r315",
      "r316",
      "r318"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Plan designed to provide participants with a defined benefit at retirement including, but not limited to, defined benefit pension plans and other defined benefit postretirement plans.",
        "label": "Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]",
        "terseLabel": "Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]"
       }
      }
     },
     "localname": "DefinedBenefitPlansDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DepreciationAndAmortization": {
     "auth_ref": [
      "r156",
      "r259"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 16.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.",
        "label": "Depreciation, Depletion and Amortization, Nonproduction",
        "negatedLabel": "Depreciation and amortization",
        "negatedTerseLabel": "Depreciation and amortization",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "auth_ref": [
      "r156"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.",
        "label": "Depreciation, Depletion and Amortization",
        "terseLabel": "DEPRECIATION AND AMORTIZATION"
       }
      }
     },
     "localname": "DepreciationDepletionAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeAssetsCurrent": {
     "auth_ref": [
      "r9",
      "r110",
      "r365",
      "r366",
      "r424",
      "r428"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 11.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset, Current",
        "terseLabel": "Fixed-price contracts and other derivatives"
       }
      }
     },
     "localname": "DerivativeAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeContractTypeDomain": {
     "auth_ref": [
      "r387"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.",
        "label": "Derivative Contract [Domain]",
        "terseLabel": "Derivative Contract [Domain]"
       }
      }
     },
     "localname": "DerivativeContractTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeAsset": {
     "auth_ref": [
      "r109",
      "r111",
      "r378",
      "r461"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosureRecurring",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.",
        "label": "Derivative Asset, Fair Value, Gross Asset",
        "terseLabel": "Derivative assets"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeAsset",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeLiability": {
     "auth_ref": [
      "r109",
      "r111",
      "r378",
      "r461"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosureRecurring",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.",
        "label": "Derivative Liability, Fair Value, Gross Liability",
        "terseLabel": "Derivative liabilities"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeLiability",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeGainLossOnDerivativeNet": {
     "auth_ref": [
      "r376",
      "r382"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.",
        "label": "Derivative, Gain (Loss) on Derivative, Net",
        "negatedLabel": "Fixed-price contracts and other derivatives",
        "terseLabel": "Pretax gain on derivatives recognized in earnings"
       }
      }
     },
     "localname": "DerivativeGainLossOnDerivativeNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentRiskAxis": {
     "auth_ref": [
      "r376",
      "r379",
      "r385",
      "r387"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of derivative contract.",
        "label": "Derivative Instrument [Axis]",
        "terseLabel": "Derivative Instrument [Axis]"
       }
      }
     },
     "localname": "DerivativeInstrumentRiskAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]"
       }
      }
     },
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": {
     "auth_ref": [
      "r177",
      "r367",
      "r369",
      "r370",
      "r373",
      "r374",
      "r377",
      "r381",
      "r385",
      "r387",
      "r388",
      "r393",
      "r394",
      "r395",
      "r396",
      "r401",
      "r402",
      "r405",
      "r406"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.",
        "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]",
        "terseLabel": "Derivative Financial Instruments"
       }
      }
     },
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstruments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis": {
     "auth_ref": [
      "r373",
      "r376",
      "r385"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of hedging relationship.",
        "label": "Hedging Relationship [Axis]",
        "terseLabel": "Hedging Relationship [Axis]"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": {
     "auth_ref": [
      "r373",
      "r376",
      "r385",
      "r387",
      "r388",
      "r399",
      "r401"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.",
        "label": "Derivative Instruments, Gain (Loss) [Table]",
        "terseLabel": "Derivative Instruments, Gain (Loss) [Table]"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Derivative Instruments, Gain (Loss) [Line Items]",
        "terseLabel": "Derivative Instruments, Gain (Loss) [Line Items]"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet": {
     "auth_ref": [
      "r384",
      "r386"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.",
        "label": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net",
        "terseLabel": "Pretax gain (loss) reclassified from AOCI into earnings"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet": {
     "auth_ref": [
      "r383"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.",
        "label": "Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net",
        "terseLabel": "Pretax gain (loss) recognized in OCI"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet": {
     "auth_ref": [
      "r424",
      "r428"
     ],
     "calculation": {
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate net fair value of all derivative instruments designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.",
        "label": "Derivative Instruments in Hedges, at Fair Value, Net",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "DerivativeInstrumentsInHedgesAtFairValueNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentsInHedgesAtFairValueNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Instruments in Hedges, at Fair Value, Net [Abstract]",
        "terseLabel": "Derivatives designated as hedging instruments:"
       }
      }
     },
     "localname": "DerivativeInstrumentsInHedgesAtFairValueNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeLiabilitiesCurrent": {
     "auth_ref": [
      "r10",
      "r110",
      "r365",
      "r366",
      "r424",
      "r428"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 13.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Current",
        "terseLabel": "Fixed-price contracts and other derivatives"
       }
      }
     },
     "localname": "DerivativeLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitiesNoncurrent": {
     "auth_ref": [
      "r110",
      "r365",
      "r366",
      "r424",
      "r428"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 9.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Noncurrent",
        "terseLabel": "Fixed-price contracts and other derivatives"
       }
      }
     },
     "localname": "DerivativeLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilityNotionalAmount": {
     "auth_ref": [
      "r26",
      "r368",
      "r370"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Nominal or face amount used to calculate payments on the derivative liability.",
        "label": "Derivative Liability, Notional Amount",
        "terseLabel": "Notional amount of derivative"
       }
      }
     },
     "localname": "DerivativeLiabilityNotionalAmount",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeMaturityDates": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Date the derivative contract matures, in CCYY-MM-DD format.",
        "label": "Derivative, Maturity Date",
        "terseLabel": "Maturity date"
       }
      }
     },
     "localname": "DerivativeMaturityDates",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_DerivativeNetLiabilityPositionAggregateFairValue": {
     "auth_ref": [
      "r391"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.",
        "label": "Derivative, Net Liability Position, Aggregate Fair Value",
        "terseLabel": "Net liability position for derivatives with credit limits"
       }
      }
     },
     "localname": "DerivativeNetLiabilityPositionAggregateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsWithContingentFeaturesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Nominal energy measure used to calculate payments on a derivative instrument.",
        "label": "Derivative, Nonmonetary Notional Amount, Energy Measure",
        "terseLabel": "Net derivative energy volumes"
       }
      }
     },
     "localname": "DerivativeNonmonetaryNotionalAmountEnergyMeasure",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails"
     ],
     "xbrltype": "energyItemType"
    },
    "us-gaap_DerivativeTable": {
     "auth_ref": [
      "r176",
      "r367",
      "r369",
      "r370",
      "r373",
      "r374",
      "r381",
      "r385",
      "r396",
      "r398",
      "r401"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.",
        "label": "Derivative [Table]",
        "terseLabel": "Derivative [Table]"
       }
      }
     },
     "localname": "DerivativeTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativesFairValueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Derivatives, Fair Value [Line Items]",
        "terseLabel": "Derivatives, Fair Value [Line Items]"
       }
      }
     },
     "localname": "DerivativesFairValueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeCommodityVolumesDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativesPolicyTextBlock": {
     "auth_ref": [
      "r167",
      "r177",
      "r367",
      "r369",
      "r373",
      "r374",
      "r397"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for its derivative instruments and hedging activities.",
        "label": "Derivatives, Policy [Policy Text Block]",
        "terseLabel": "Derivatives Policy"
       }
      }
     },
     "localname": "DerivativesPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DesignatedAsHedgingInstrumentMember": {
     "auth_ref": [
      "r373"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instruments designated as hedging instruments.",
        "label": "Designated as Hedging Instrument [Member]",
        "terseLabel": "Designated as Hedging Instrument [Member]"
       }
      }
     },
     "localname": "DesignatedAsHedgingInstrumentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Discontinued Operations and Disposal Groups [Abstract]"
       }
      }
     },
     "localname": "DiscontinuedOperationsAndDisposalGroupsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisposalGroupClassificationAxis": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by disposal group classification.",
        "label": "Disposal Group Classification [Axis]",
        "terseLabel": "Disposal Group Classification [Axis]"
       }
      }
     },
     "localname": "DisposalGroupClassificationAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisposalGroupClassificationDomain": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Component or group of components disposed of, including but not limited to, disposal group held-for-sale or disposed of by sale, disposed of by means other than sale, and discontinued operations.",
        "label": "Disposal Group Classification [Domain]",
        "terseLabel": "Disposal Group Classification [Domain]"
       }
      }
     },
     "localname": "DisposalGroupClassificationDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember": {
     "auth_ref": [
      "r257",
      "r264"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disposal group that is classified as held-for-sale. Excludes disposals classified as discontinued operations.",
        "label": "Disposal Group, Held-for-sale, Not Discontinued Operations [Member]",
        "terseLabel": "Disposal Group, Held-for-sale, Not Discontinued Operations [Member]"
       }
      }
     },
     "localname": "DisposalGroupHeldforsaleNotDiscontinuedOperationsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r258",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as accounts payable attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Accounts Payable, Current",
        "terseLabel": "Accounts payable"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents": {
     "auth_ref": [
      "r4",
      "r5",
      "r38",
      "r39",
      "r46",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.",
        "label": "Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents",
        "terseLabel": "Cash"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r256",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as deferred tax assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Deferred Tax Assets, Noncurrent",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r258",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as inventory attributable to disposal group, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Inventory, Current",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationInventoryCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r258",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Other Assets, Current",
        "terseLabel": "Other current assets"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r258",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Other Liabilities, Current",
        "terseLabel": "Other current liabilities"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r256",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent",
        "terseLabel": "Property, plant and equipment, net"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r256",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent",
        "terseLabel": "Other noncurrent liabilities"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r256",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent",
        "terseLabel": "Other noncurrent assets"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of disposal group.",
        "label": "Disposal Group Name [Domain]",
        "terseLabel": "Disposal Group Name [Domain]"
       }
      }
     },
     "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DividendsCommonStock": {
     "auth_ref": [
      "r295",
      "r484"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).",
        "label": "Dividends, Common Stock",
        "negatedLabel": "Common stock dividends declared"
       }
      }
     },
     "localname": "DividendsCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r70",
      "r72",
      "r470",
      "r490"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.",
        "label": "Dividends Payable",
        "terseLabel": "Dividends declared but not paid"
       }
      }
     },
     "localname": "DividendsPayableCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DueFromAffiliateCurrent": {
     "auth_ref": [
      "r102",
      "r175",
      "r453",
      "r455",
      "r457"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).",
        "label": "Due from Affiliate, Current",
        "terseLabel": "Due from unconsolidated affiliates",
        "verboseLabel": "Due from unconsolidated affiliates - current"
       }
      }
     },
     "localname": "DueFromAffiliateCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DueFromAffiliateNoncurrent": {
     "auth_ref": [
      "r62",
      "r168",
      "r453",
      "r455",
      "r457",
      "r466",
      "r487",
      "r504"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).",
        "label": "Due from Affiliate, Noncurrent",
        "terseLabel": "Due from unconsolidated affiliates",
        "verboseLabel": "Due from unconsolidated affiliates - noncurrent"
       }
      }
     },
     "localname": "DueFromAffiliateNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DueToAffiliateCurrent": {
     "auth_ref": [
      "r66",
      "r169",
      "r453",
      "r503"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Due to Affiliate, Current",
        "negatedLabel": "Due to unconsolidated affiliates, current",
        "terseLabel": "Due to unconsolidated affiliates"
       }
      }
     },
     "localname": "DueToAffiliateCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r127",
      "r189",
      "r193",
      "r195",
      "r480",
      "r502"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic",
        "terseLabel": "Basic earnings per common share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r127",
      "r189",
      "r480",
      "r502"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Diluted",
        "terseLabel": "Diluted earnings per common share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerSharePolicyTextBlock": {
     "auth_ref": [
      "r167",
      "r192",
      "r193",
      "r194"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.",
        "label": "Earnings Per Share, Policy [Policy Text Block]",
        "terseLabel": "Earnings Per Share Policy"
       }
      }
     },
     "localname": "EarningsPerSharePolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents": {
     "auth_ref": [
      "r438"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.",
        "label": "Effect of Exchange Rate on Cash and Cash Equivalents",
        "verboseLabel": "Effect of exchange rate changes on cash and cash equivalents"
       }
      }
     },
     "localname": "EffectOfExchangeRateOnCashAndCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EffectiveIncomeTaxRateContinuingOperations": {
     "auth_ref": [
      "r173",
      "r338",
      "r339"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Effective Income Tax Rate Reconciliation, Percent",
        "terseLabel": "Effective income tax rate"
       }
      }
     },
     "localname": "EffectiveIncomeTaxRateContinuingOperations",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ElectricUtilityRevenue": {
     "auth_ref": [
      "r128"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_UtilityRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate revenue, whether regulated or unregulated, derived from the generation, transmission and distribution of electricity.",
        "label": "Electric Revenue",
        "terseLabel": "Electric"
       }
      }
     },
     "localname": "ElectricUtilityRevenue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeRelatedLiabilitiesCurrent": {
     "auth_ref": [
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Employee-related Liabilities, Current",
        "terseLabel": "Accrued compensation and benefits"
       }
      }
     },
     "localname": "EmployeeRelatedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EnergyRelatedInventoryNaturalGasInStorage": {
     "auth_ref": [
      "r106"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.",
        "label": "Energy Related Inventory, Natural Gas in Storage",
        "terseLabel": "Natural gas"
       }
      }
     },
     "localname": "EnergyRelatedInventoryNaturalGasInStorage",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EnvironmentalExitCostsAnticipatedCost": {
     "auth_ref": [
      "r281"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total anticipated costs associated with remediation, site restoration, postclosure, monitoring commitments, or other exit costs that may occur on the sale, disposal, or abandonment of a particular property resulting from unanticipated contamination of the assets.",
        "label": "Environmental Exit Costs, Anticipated Cost",
        "terseLabel": "Environmental exit costs, anticipated cost"
       }
      }
     },
     "localname": "EnvironmentalExitCostsAnticipatedCost",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r290"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component [Domain]"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvesteeMember": {
     "auth_ref": [
      "r241"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An entity that issued voting stock held by an investor and that is accounted for under the equity method of accounting by the investor.",
        "label": "Equity Method Investee [Member]",
        "terseLabel": "Equity Method Investee [Member]"
       }
      }
     },
     "localname": "EquityMethodInvesteeMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvesteeNameDomain": {
     "auth_ref": [
      "r245"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of investment.",
        "label": "Investment, Name [Domain]",
        "terseLabel": "Investment, Name [Domain]"
       }
      }
     },
     "localname": "EquityMethodInvesteeNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment": {
     "auth_ref": [
      "r242"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.",
        "label": "Equity Method Investment, Other than Temporary Impairment",
        "terseLabel": "Impairment of equity method investment"
       }
      }
     },
     "localname": "EquityMethodInvestmentOtherThanTemporaryImpairment",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EquityMethodInvestmentOwnershipPercentage": {
     "auth_ref": [
      "r245"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.",
        "label": "Equity Method Investment, Ownership Percentage",
        "verboseLabel": "Ownership percentage"
       }
      }
     },
     "localname": "EquityMethodInvestmentOwnershipPercentage",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EquityMethodInvestments": {
     "auth_ref": [
      "r85",
      "r244"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.",
        "label": "Equity Method Investments",
        "verboseLabel": "Carrying value of equity method investment"
       }
      }
     },
     "localname": "EquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EquityMethodInvestmentsDisclosureTextBlock": {
     "auth_ref": [
      "r85",
      "r242",
      "r243",
      "r247"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.",
        "label": "Equity Method Investments and Joint Ventures Disclosure [Text Block]",
        "terseLabel": "Investments in Unconsolidated Entities"
       }
      }
     },
     "localname": "EquityMethodInvestmentsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EquitySecuritiesMember": {
     "auth_ref": [
      "r63",
      "r69",
      "r223",
      "r474",
      "r488",
      "r509"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants.",
        "label": "Equity Securities [Member]",
        "terseLabel": "Equity securities [Member]"
       }
      }
     },
     "localname": "EquitySecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EstimateOfFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r410",
      "r424"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as an estimate of fair value.",
        "label": "Estimate of Fair Value Measurement [Member]",
        "terseLabel": "Fair value [Member]"
       }
      }
     },
     "localname": "EstimateOfFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities": {
     "auth_ref": [
      "r333"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.",
        "label": "Excess Tax Benefit from Share-based Compensation, Financing Activities",
        "terseLabel": "Tax benefit related to share-based compensation"
       }
      }
     },
     "localname": "ExcessTaxBenefitFromShareBasedCompensationFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]",
        "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
        "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r409",
      "r410",
      "r411",
      "r412",
      "r418",
      "r420"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.",
        "label": "Fair Value Measurements, Recurring and Nonrecurring [Table]",
        "terseLabel": "Fair Value Measurements, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss": {
     "auth_ref": [
      "r416"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3).",
        "label": "Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)",
        "terseLabel": "Change in unrealized gains relating to instruments still held at the end of the period"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock": {
     "auth_ref": [
      "r409",
      "r410",
      "r411"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "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).",
        "label": "Fair Value, Assets Measured on Recurring Basis [Table Text Block]",
        "terseLabel": "Recurring Fair Value Measures Table"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]",
        "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable": {
     "auth_ref": [
      "r413",
      "r420"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of information required and determined to be provided for purposes of reconciling beginning and ending balances of fair value measurements of assets using significant unobservable inputs (level 3). Such reconciliation, separately presenting changes during the period, at a minimum, may include, but is not limited to: (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, 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.",
        "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]",
        "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": {
     "auth_ref": [
      "r413",
      "r420"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "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.",
        "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]",
        "terseLabel": "Recurring Fair Value Measures Level 3 Rollforward Table"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]",
        "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]"
       }
      }
     },
     "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "auth_ref": [
      "r410",
      "r423",
      "r424",
      "r426",
      "r427",
      "r432"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table]",
        "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTextBlock": {
     "auth_ref": [
      "r410",
      "r423",
      "r424",
      "r426",
      "r427",
      "r432"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]",
        "terseLabel": "Fair Value of Financial Instruments Table"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r411"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by level within the fair value hierarchy.",
        "label": "Fair Value, Hierarchy [Axis]",
        "terseLabel": "Fair Value, Hierarchy [Axis]"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementBasisAxis": {
     "auth_ref": [
      "r410",
      "r421"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement basis.",
        "label": "Measurement Basis [Axis]",
        "terseLabel": "Measurement Basis [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementBasisAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "auth_ref": [
      "r409"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement frequency.",
        "label": "Measurement Frequency [Axis]",
        "terseLabel": "Measurement Frequency [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementFrequencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosureItemAmountsDomain": {
     "auth_ref": [
      "r410",
      "r423",
      "r424",
      "r426",
      "r427",
      "r432"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.",
        "label": "Fair Value Measurement [Domain]",
        "terseLabel": "Fair Value Measurement [Domain]"
       }
      }
     },
     "localname": "FairValueDisclosureItemAmountsDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r417",
      "r425",
      "r429",
      "r430",
      "r431",
      "r433"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
        "label": "Fair Value Disclosures [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueHedgingMember": {
     "auth_ref": [
      "r371"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A hedge of the exposure to changes in the fair value of a recognized asset or liability, or of an unrecognized firm commitment, that are attributable to a particular risk.",
        "label": "Fair Value Hedging [Member]",
        "terseLabel": "Fair Value Hedging [Member]"
       }
      }
     },
     "localname": "FairValueHedgingMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "auth_ref": [
      "r20",
      "r411"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.",
        "label": "Fair Value, Inputs, Level 1 [Member]",
        "terseLabel": "Level 1 [Member]"
       }
      }
     },
     "localname": "FairValueInputsLevel1Member",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r21",
      "r24",
      "r407",
      "r411"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
        "label": "Fair Value, Inputs, Level 2 [Member]",
        "terseLabel": "Level 2 [Member]"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "auth_ref": [
      "r22",
      "r411"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Inputs, Level 3 [Member]",
        "terseLabel": "Level 3 [Member]"
       }
      }
     },
     "localname": "FairValueInputsLevel3Member",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "auth_ref": [
      "r409",
      "r417"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Provides the general categories used to describe the frequency with which financial assets and liabilities (as defined) are measured at fair value (on a recurring or nonrecurring basis).",
        "label": "Fair Value, Measurement Frequency [Domain]",
        "terseLabel": "Fair Value, Measurement Frequency [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementFrequencyDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.",
        "label": "Fair Value Measurement, Policy [Policy Text Block]",
        "terseLabel": "Fair Value Measurement Policy"
       }
      }
     },
     "localname": "FairValueMeasurementPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
        "label": "Fair Value Hierarchy [Domain]",
        "terseLabel": "Fair Value Hierarchy [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsRecurringMember": {
     "auth_ref": [
      "r409",
      "r417"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents a description of the frequency with which certain items are measured at fair value. Items measured at fair value on a recurring basis generally include those items for which measurement inputs are readily available and which are measured at fair value at successive reporting periods.",
        "label": "Fair Value, Measurements, Recurring [Member]",
        "terseLabel": "Recurring [Member]"
       }
      }
     },
     "localname": "FairValueMeasurementsRecurringMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]",
        "terseLabel": "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]"
       }
      }
     },
     "localname": "FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationRollForward",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings": {
     "auth_ref": [
      "r414",
      "r419"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) recognized in the income statement of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings",
        "terseLabel": "Realized and unrealized losses"
       }
      }
     },
     "localname": "FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements": {
     "auth_ref": [
      "r415",
      "r419"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements",
        "negatedLabel": "Settlements"
       }
      }
     },
     "localname": "FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs": {
     "auth_ref": [
      "r410",
      "r419"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs",
        "periodEndLabel": "End of period",
        "periodStartLabel": "Beginning of period"
       }
      }
     },
     "localname": "FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable": {
     "auth_ref": [
      "r375",
      "r381",
      "r399"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule that discloses the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.",
        "label": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]",
        "terseLabel": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]"
       }
      }
     },
     "localname": "FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancialInstrumentsOwnedCorporateEquitiesAtFairValue": {
     "auth_ref": [
      "r464"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DecommissioningTrustAssetsAmount",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fair value as of the balance sheet date of firm holdings in corporate stocks (common and preferred), stock options, warrants and any other financial instrument which represents, or provides the ability to obtain, ownership rights in a corporation. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.",
        "label": "Financial Instruments, Owned, Corporate Equities, at Fair Value",
        "terseLabel": "Nuclear decommissioning trusts - equity securities"
       }
      }
     },
     "localname": "FinancialInstrumentsOwnedCorporateEquitiesAtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancialInstrumentsOwnedOtherAtFairValue": {
     "auth_ref": [
      "r464"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 3.0,
       "parentTag": "sre_FairValueAssetsMeasuredOnRecurringBasisNuclearDecommissioningTrustsTotalDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of firm holdings in securities classified as other. Includes pledged and unpledged holdings.",
        "label": "Financial Instruments, Owned, Other, at Fair Value",
        "terseLabel": "Nuclear decommissioning trusts - Other securities"
       }
      }
     },
     "localname": "FinancialInstrumentsOwnedOtherAtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancialInstrumentsOwnedStateAndMunicipalGovernmentObligationsAtFairValue": {
     "auth_ref": [
      "r464"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 2.0,
       "parentTag": "sre_FairValueAssetsMeasuredOnRecurringBasisNuclearDecommissioningTrustsTotalDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fair value as of the balance sheet date of firm holdings in fixed income obligations issued by state and local governments and authorities. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.",
        "label": "Financial Instruments, Owned, State and Municipal Government Obligations, at Fair Value",
        "terseLabel": "Nuclear decommissioning trusts - Municipal bonds"
       }
      }
     },
     "localname": "FinancialInstrumentsOwnedStateAndMunicipalGovernmentObligationsAtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue": {
     "auth_ref": [
      "r464"
     ],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": 1.0,
       "parentTag": "sre_FairValueAssetsMeasuredOnRecurringBasisNuclearDecommissioningTrustsTotalDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fair value as of the balance sheet date of firm holdings in debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.",
        "label": "Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value",
        "verboseLabel": "Nuclear decommissioning trusts - Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies"
       }
      }
     },
     "localname": "FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyTransactionGainLossRealized": {
     "auth_ref": [
      "r435",
      "r436",
      "r437"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.",
        "label": "Foreign Currency Transaction Gain (Loss), Realized",
        "terseLabel": "Foreign currency transaction gains (losses)"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossRealized",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignExchangeContractMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instrument whose primary underlying risk is tied to foreign exchange rates.",
        "label": "Foreign Exchange Contract [Member]",
        "terseLabel": "Foreign exchange instruments [Member]"
       }
      }
     },
     "localname": "ForeignExchangeContractMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ForeignExchangeMember": {
     "auth_ref": [
      "r390"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trading of derivative or nonderivative instruments whose primary underlying risk is tied to foreign exchange rates.",
        "label": "Foreign Exchange [Member]",
        "terseLabel": "Other foreign currency derivatives [Member]",
        "verboseLabel": "Foreign exchange instruments [Member]"
       }
      }
     },
     "localname": "ForeignExchangeMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnFairValueHedgeIneffectivenessNet": {
     "auth_ref": [
      "r400"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge.",
        "label": "Gain (Loss) on Fair Value Hedge Ineffectiveness, Net",
        "verboseLabel": "Hedge ineffectiveness"
       }
      }
     },
     "localname": "GainLossOnFairValueHedgeIneffectivenessNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnInvestments": {
     "auth_ref": [
      "r136",
      "r157",
      "r228",
      "r239"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.",
        "label": "Gain (Loss) on Investments",
        "terseLabel": "Investment gains"
       }
      }
     },
     "localname": "GainLossOnInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSaleOfOtherInvestments": {
     "auth_ref": [
      "r156"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) included in earnings for investments classified as other.",
        "label": "Gain (Loss) on Sale of Other Investments",
        "terseLabel": "Sale of other investments"
       }
      }
     },
     "localname": "GainLossOnSaleOfOtherInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GasDomesticRegulatedRevenue": {
     "auth_ref": [
      "r128"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_UtilityRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas.",
        "label": "Gas Domestic Regulated Revenue",
        "terseLabel": "Natural gas"
       }
      }
     },
     "localname": "GasDomesticRegulatedRevenue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GasGatheringTransportationMarketingAndProcessingCosts": {
     "auth_ref": [
      "r133",
      "r463"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 14.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products.",
        "label": "Gas Gathering, Transportation, Marketing and Processing Costs",
        "negatedLabel": "Other cost of sales"
       }
      }
     },
     "localname": "GasGatheringTransportationMarketingAndProcessingCosts",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r250",
      "r251",
      "r252"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataGoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GuaranteeObligationsCurrentCarryingValue": {
     "auth_ref": [
      "r286"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.",
        "label": "Guarantor Obligations, Current Carrying Value",
        "terseLabel": "Aggregate carrying value of guarantor obligations"
       }
      }
     },
     "localname": "GuaranteeObligationsCurrentCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GuaranteeObligationsMaximumExposure": {
     "auth_ref": [
      "r285"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.",
        "label": "Guarantor Obligations, Maximum Exposure, Undiscounted",
        "terseLabel": "Maximum exposure under guarantor obligations"
       }
      }
     },
     "localname": "GuaranteeObligationsMaximumExposure",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_HedgingDesignationAxis": {
     "auth_ref": [
      "r373"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by hedging designation related to derivative instruments.",
        "label": "Hedging Designation [Axis]",
        "terseLabel": "Hedging Designation [Axis]"
       }
      }
     },
     "localname": "HedgingDesignationAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_HedgingDesignationDomain": {
     "auth_ref": [
      "r373"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name that identifies a derivative or a group of derivatives, by hedging designation.",
        "label": "Hedging Designation [Domain]",
        "terseLabel": "Hedging Designation [Domain]"
       }
      }
     },
     "localname": "HedgingDesignationDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_HedgingRelationshipDomain": {
     "auth_ref": [
      "r373"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Nature or intent of a hedge.",
        "label": "Hedging Relationship [Domain]",
        "terseLabel": "Hedging Relationship [Domain]"
       }
      }
     },
     "localname": "HedgingRelationshipDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": {
     "auth_ref": [
      "r172"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.",
        "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest",
        "terseLabel": "Income before income taxes and equity (losses) earnings of certain unconsolidated subsidiaries",
        "totalLabel": "Income before income taxes and equity (losses) earnings of certain unconsolidated subsidiaries",
        "verboseLabel": "Income before income taxes"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r346"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.",
        "label": "Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest",
        "terseLabel": "Net of income tax"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromEquityMethodInvestments": {
     "auth_ref": [
      "r125",
      "r156",
      "r244",
      "r478",
      "r500"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 18.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.",
        "label": "Income (Loss) from Equity Method Investments",
        "terseLabel": "Equity earnings (losses), before tax",
        "verboseLabel": "Equity earnings (losses), before income tax"
       }
      }
     },
     "localname": "IncomeLossFromEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions": {
     "auth_ref": [
      "r156"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.",
        "label": "Income (Loss) from Equity Method Investments, Net of Dividends or Distributions",
        "negatedLabel": "Equity losses"
       }
      }
     },
     "localname": "IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]",
        "terseLabel": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": {
     "auth_ref": [
      "r14"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of disposal group.",
        "label": "Disposal Group Name [Axis]",
        "terseLabel": "Disposal Group Name [Axis]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]",
        "terseLabel": "Assets Held for Sale [Line Items]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable": {
     "auth_ref": [
      "r39",
      "r40",
      "r41",
      "r42",
      "r43",
      "r44",
      "r45",
      "r47",
      "r48",
      "r49",
      "r50",
      "r264",
      "r265"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.",
        "label": "Disposal Groups, Including Discontinued Operations [Table]",
        "terseLabel": "Disposal Groups, Including Discontinued Operations [Table]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location in the income statement.",
        "label": "Income Statement Location [Axis]",
        "terseLabel": "Income Statement Location [Axis]"
       }
      }
     },
     "localname": "IncomeStatementLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the income statement.",
        "label": "Income Statement Location [Domain]",
        "terseLabel": "Income Statement Location [Domain]"
       }
      }
     },
     "localname": "IncomeStatementLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r17",
      "r174",
      "r342"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "negatedLabel": "Income tax expense",
        "negatedTerseLabel": "Income Tax Expense",
        "terseLabel": "INCOME TAX EXPENSE (BENEFIT)",
        "verboseLabel": "Income tax expense"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataIncomeTaxesDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxesPaidNet": {
     "auth_ref": [
      "r162"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.",
        "label": "Income Taxes Paid, Net",
        "terseLabel": "Income tax payments, net of refunds"
       }
      }
     },
     "localname": "IncomeTaxesPaidNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxesReceivable": {
     "auth_ref": [
      "r103",
      "r475",
      "r498"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.",
        "label": "Income Taxes Receivable, Current",
        "terseLabel": "Income taxes receivable"
       }
      }
     },
     "localname": "IncomeTaxesReceivable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInBalancingAccountUtility": {
     "auth_ref": [
      "r155"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the asset created by the regulatory convention in which costs and revenues associated with certain utility expenses (such as fuel) are accumulated but on which no return is earned.",
        "label": "Increase (Decrease) in Balancing Account, Utility",
        "negatedLabel": "Decrease In nuclear decommissioning balancing account"
       }
      }
     },
     "localname": "IncreaseDecreaseInBalancingAccountUtility",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInDueToRelatedParties": {
     "auth_ref": [
      "r155"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families; affiliates; or other parties with the ability to exert significant influence.",
        "label": "Increase (Decrease) in Due to Related Parties",
        "terseLabel": "(Increase) decrease in loans to affiliate, net"
       }
      }
     },
     "localname": "IncreaseDecreaseInDueToRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInsuranceSettlementsReceivable": {
     "auth_ref": [
      "r155"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in insurance settlements receivable, which are amounts due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. The expectation is that such reimbursement will be received within one year of the balance sheet date.",
        "label": "Increase (Decrease) in Insurance Settlements Receivable",
        "negatedLabel": "Insurance receivable for Aliso Canyon costs"
       }
      }
     },
     "localname": "IncreaseDecreaseInInsuranceSettlementsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapital": {
     "auth_ref": [
      "r155"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.",
        "label": "Increase (Decrease) in Operating Capital",
        "negatedLabel": "Net change in other working capital components"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapital",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherNoncurrentAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in noncurrent assets classified as other.",
        "label": "Increase (Decrease) in Other Noncurrent Assets",
        "negatedLabel": "Changes in other assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherNoncurrentAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in noncurrent operating liabilities classified as other.",
        "label": "Increase (Decrease) in Other Noncurrent Liabilities",
        "terseLabel": "Changes in other liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherNoncurrentLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherRegulatoryAssets": {
     "auth_ref": [
      "r155"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet.",
        "label": "Increase (Decrease) in Other Regulatory Assets",
        "negatedLabel": "Regulatory adjustment"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherRegulatoryAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities": {
     "auth_ref": [
      "r155"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the value of assets that are created when regulatory agencies permits public utilities to defer costs (revenues) to the balance sheet. This element is a the increase (decrease) of regulatory assets and liabilities combined.",
        "label": "Increase (Decrease) in Regulatory Assets and Liabilities",
        "negatedLabel": "Decrease In SONGS regulatory asset"
       }
      }
     },
     "localname": "IncreaseDecreaseInRegulatoryAssetsAndLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]"
       }
      }
     },
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseInRestrictedCash": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.",
        "label": "Increase in Restricted Cash",
        "negatedLabel": "Increases in restricted cash"
       }
      }
     },
     "localname": "IncreaseInRestrictedCash",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements": {
     "auth_ref": [
      "r190",
      "r193"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.",
        "label": "Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements",
        "terseLabel": "Dilutive effect of stock options, restricted stock awards and restricted stock units (in shares)"
       }
      }
     },
     "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_InsuranceSettlementsReceivableNoncurrent": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 9.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.",
        "label": "Insurance Settlements Receivable, Noncurrent",
        "terseLabel": "Insurance receivable for Aliso Canyon costs"
       }
      }
     },
     "localname": "InsuranceSettlementsReceivableNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IntangibleAssetsNetExcludingGoodwill": {
     "auth_ref": [
      "r254",
      "r255"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
        "label": "Intangible Assets, Net (Excluding Goodwill)",
        "terseLabel": "Other intangible assets"
       }
      }
     },
     "localname": "IntangibleAssetsNetExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestAndDividendsPayableCurrent": {
     "auth_ref": [
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying values as of the balance sheet date of (a) interest payable on all forms of debt, including trade payables, that has been incurred, and (b) dividends declared but unpaid on equity securities issued by the entity and outstanding (also includes dividends collected on behalf of another owner of securities that are being held by the entity). Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Interest and Dividends Payable, Current",
        "terseLabel": "Dividends and interest payable"
       }
      }
     },
     "localname": "InterestAndDividendsPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestCostsCapitalized": {
     "auth_ref": [
      "r1",
      "r443"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest capitalized during the period.",
        "label": "Interest Costs Capitalized",
        "verboseLabel": "Capitalized interest"
       }
      }
     },
     "localname": "InterestCostsCapitalized",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r444",
      "r447",
      "r481"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 7.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.",
        "label": "Interest Expense",
        "negatedLabel": "Interest expense",
        "terseLabel": "INTEREST EXPENSE"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseMember": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing interest expense.",
        "label": "Interest Expense [Member]",
        "terseLabel": "Interest Expense [Member]"
       }
      }
     },
     "localname": "InterestExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InterestPaidNet": {
     "auth_ref": [
      "r162"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.",
        "label": "Interest Paid, Net",
        "terseLabel": "Interest payments, net of amounts capitalized"
       }
      }
     },
     "localname": "InterestPaidNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPayableCurrent": {
     "auth_ref": [
      "r10",
      "r59",
      "r60",
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Interest Payable, Current",
        "terseLabel": "Interest payable"
       }
      }
     },
     "localname": "InterestPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestRateContractMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate.",
        "label": "Interest Rate Contract [Member]",
        "verboseLabel": "Interest rate instruments [Member]"
       }
      }
     },
     "localname": "InterestRateContractMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InterestReceivable": {
     "auth_ref": [
      "r107"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.",
        "label": "Interest Receivable",
        "terseLabel": "Accumulated interest outstanding"
       }
      }
     },
     "localname": "InterestReceivable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IntersegmentEliminationMember": {
     "auth_ref": [
      "r211"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Eliminating entries used in operating segment consolidation.",
        "label": "Intersegment Eliminations [Member]",
        "terseLabel": "Intersegment eliminations [Member]"
       }
      }
     },
     "localname": "IntersegmentEliminationMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InventoryCurrentTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about inventory expected to be sold or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Current [Table]",
        "terseLabel": "Inventory, Current [Table]"
       }
      }
     },
     "localname": "InventoryCurrentTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Inventory Disclosure [Abstract]"
       }
      }
     },
     "localname": "InventoryDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Inventory [Line Items]",
        "terseLabel": "Inventory [Line Items]"
       }
      }
     },
     "localname": "InventoryLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryNet": {
     "auth_ref": [
      "r52",
      "r106",
      "r248"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Net",
        "terseLabel": "Inventories",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "InventoryNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentIncomeInterest": {
     "auth_ref": [
      "r135"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 9.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.",
        "label": "Investment Income, Interest",
        "terseLabel": "Interest income",
        "verboseLabel": "INTEREST INCOME"
       }
      }
     },
     "localname": "InvestmentIncomeInterest",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investments [Abstract]",
        "terseLabel": "Investments [Abstract]"
       }
      }
     },
     "localname": "InvestmentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentsFairValueDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investments, Fair Value Disclosure [Abstract]"
       }
      }
     },
     "localname": "InvestmentsFairValueDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.",
        "label": "Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures",
        "terseLabel": "Investments",
        "verboseLabel": "EQUITY METHOD AND OTHER INVESTMENTS"
       }
      }
     },
     "localname": "InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure": {
     "auth_ref": [
      "r408"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.",
        "label": "Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure",
        "verboseLabel": "Fair value of equity method investment"
       }
      }
     },
     "localname": "InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue": {
     "auth_ref": [
      "r506",
      "r507",
      "r508"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.",
        "label": "Investments in and Advances to Affiliates, at Fair Value",
        "terseLabel": "Long-term amounts due from unconsolidated affiliates"
       }
      }
     },
     "localname": "InvestmentsInAndAdvancesToAffiliatesAtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_JointlyOwnedNuclearPowerPlantMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Jointly owned nuclear power plant used to generate power.",
        "label": "Jointly Owned Nuclear Power Plant [Member]",
        "terseLabel": "SDG&amp;E Ownership [Member]",
        "verboseLabel": "Jointly Owned Nuclear Power Plant [Member]"
       }
      }
     },
     "localname": "JointlyOwnedNuclearPowerPlantMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_JointlyOwnedUtilityPlantAxis": {
     "auth_ref": [
      "r515"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of jointly owned utility plant.",
        "label": "Jointly Owned Utility Plant [Axis]",
        "terseLabel": "Jointly Owned Utility Plant [Axis]"
       }
      }
     },
     "localname": "JointlyOwnedUtilityPlantAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_JointlyOwnedUtilityPlantDomain": {
     "auth_ref": [
      "r514"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Types of a jointly owned utility plant.",
        "label": "Jointly Owned Utility Plant [Domain]",
        "terseLabel": "Jointly Owned Utility Plant [Domain]"
       }
      }
     },
     "localname": "JointlyOwnedUtilityPlantDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_JointlyOwnedUtilityPlantInterestsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Jointly Owned Utility Plant Interests [Line Items]",
        "terseLabel": "Jointly Owned Utility Plant Interests [Line Items]",
        "verboseLabel": "Jointly Owned Utility Plant Interests [Line Items]"
       }
      }
     },
     "localname": "JointlyOwnedUtilityPlantInterestsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_JointlyOwnedUtilityPlantInterestsTable": {
     "auth_ref": [
      "r515"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Detailed information about jointly owned utility plants.",
        "label": "Jointly Owned Utility Plant Interests [Table]",
        "terseLabel": "Jointly Owned Utility Plant Interests [Table]"
       }
      }
     },
     "localname": "JointlyOwnedUtilityPlantInterestsTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmountAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Jointly Owned Utility Plant, Net Ownership Amount [Abstract]"
       }
      }
     },
     "localname": "JointlyOwnedUtilityPlantNetOwnershipAmountAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare": {
     "auth_ref": [
      "r515"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The proportionate share of interest (percent) in a jointly owned utility plant.",
        "label": "Jointly Owned Utility Plant, Proportionate Ownership Share",
        "terseLabel": "Jointly owned utility plant, proportionate ownership share"
       }
      }
     },
     "localname": "JointlyOwnedUtilityPlantProportionateOwnershipShare",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_LegalCostsPolicyTextBlock": {
     "auth_ref": [
      "r166",
      "r167",
      "r282"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for legal costs incurred to protect or defend the entity's assets and rights, or to obtain assets, including monetary damages, or to obtain rights.",
        "label": "Legal Costs, Policy [Policy Text Block]",
        "terseLabel": "Legal Costs Policy"
       }
      }
     },
     "localname": "LegalCostsPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LegalFees": {
     "auth_ref": [
      "r134"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.",
        "label": "Legal Fees",
        "terseLabel": "Legal costs"
       }
      }
     },
     "localname": "LegalFees",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LegalReserveMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accrual as of the balance sheet date for estimate of the probable outcome of potential and pending litigation. Excludes statutory reserves for a bank or insurance company.",
        "label": "Legal Reserve [Member]",
        "terseLabel": "Legal Reserves [Member]"
       }
      }
     },
     "localname": "LegalReserveMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LetterOfCreditMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A document typically issued by a financial institution which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit).",
        "label": "Letter of Credit [Member]",
        "terseLabel": "Letter of Credit [Member]"
       }
      }
     },
     "localname": "LetterOfCreditMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r79",
      "r473",
      "r495"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "Total liabilities and equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "LIABILITIES AND EQUITY"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesCurrent": {
     "auth_ref": [
      "r95"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
        "label": "Liabilities, Current",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "localname": "LiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities, Current [Abstract]",
        "terseLabel": "Current liabilities:"
       }
      }
     },
     "localname": "LiabilitiesCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesFairValueDisclosureRecurring": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.",
        "label": "Liabilities, Fair Value Disclosure, Recurring",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "LiabilitiesFairValueDisclosureRecurring",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsRecurringFairValueMeasuresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of.",
        "label": "Disposal Group, Including Discontinued Operation, Liabilities",
        "totalLabel": "Total liabilities held for sale"
       }
      }
     },
     "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Disposal Group, Including Discontinued Operation, Liabilities [Abstract]",
        "terseLabel": "Assets Held for Sale, Liabilities [Abstract]"
       }
      }
     },
     "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent": {
     "auth_ref": [
      "r38",
      "r39",
      "r46",
      "r258",
      "r263"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 16.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Liabilities, Current",
        "terseLabel": "Liabilities held for sale"
       }
      }
     },
     "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.",
        "label": "Liabilities, Other than Long-term Debt, Noncurrent",
        "totalLabel": "Total deferred credits and other liabilities"
       }
      }
     },
     "localname": "LiabilitiesOtherThanLongtermDebtNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCredit": {
     "auth_ref": [
      "r71",
      "r471",
      "r486"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
        "label": "Long-term Line of Credit",
        "negatedTerseLabel": "Amount outstanding"
       }
      }
     },
     "localname": "LineOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Line of Credit Facility [Line Items]",
        "terseLabel": "Line of Credit Facility [Line Items]"
       }
      }
     },
     "localname": "LineOfCreditFacilityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r91"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "terseLabel": "Maximum borrowing capacity"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": {
     "auth_ref": [
      "r91"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).",
        "label": "Line of Credit Facility, Remaining Borrowing Capacity",
        "terseLabel": "Available unused credit"
       }
      }
     },
     "localname": "LineOfCreditFacilityRemainingBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityTable": {
     "auth_ref": [
      "r91",
      "r171"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
        "label": "Line of Credit Facility [Table]",
        "terseLabel": "Line of Credit Facility [Table]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LitigationCaseAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of judicial proceeding, alternative dispute resolution or claim.",
        "label": "Litigation Case [Axis]",
        "terseLabel": "Litigation Case [Axis]"
       }
      }
     },
     "localname": "LitigationCaseAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LitigationCaseTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Judicial proceeding, alternative dispute resolution or claim. For example, but not limited to, name of case, category of litigation, or other differentiating information.",
        "label": "Litigation Case [Domain]",
        "terseLabel": "Litigation Case [Domain]"
       }
      }
     },
     "localname": "LitigationCaseTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LitigationSettlementAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of judgment or settlement awarded to (against) the entity in respect of litigation.",
        "label": "Litigation Settlement, Amount",
        "terseLabel": "Settlement credit to ratepayers",
        "verboseLabel": "Settlement amount"
       }
      }
     },
     "localname": "LitigationSettlementAmount",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LondonInterbankOfferedRateLIBORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate (LIBOR) [Member]",
        "terseLabel": "LIBOR [Member]"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLIBORMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongTermDebtAndCapitalLeaseObligations": {
     "auth_ref": [
      "r71"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.",
        "label": "Long-term Debt and Capital Lease Obligations",
        "terseLabel": "Long-term debt",
        "verboseLabel": "Long term debt related to VIE"
       }
      }
     },
     "localname": "LongTermDebtAndCapitalLeaseObligations",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent": {
     "auth_ref": [
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 11.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.",
        "label": "Long-term Debt and Capital Lease Obligations, Current",
        "terseLabel": "Current portion of long-term debt"
       }
      }
     },
     "localname": "LongTermDebtAndCapitalLeaseObligationsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by category of items purchased under a long-term purchase commitment.",
        "label": "Category of Item Purchased [Axis]",
        "terseLabel": "Category of Item Purchased [Axis]"
       }
      }
     },
     "localname": "LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "General description of the goods or services to be purchased from the counterparty to the long-term purchase commitment.",
        "label": "Long-term Purchase Commitment, Category of Item Purchased [Domain]",
        "terseLabel": "Long-term Purchase Commitment, Category of Item Purchased [Domain]"
       }
      }
     },
     "localname": "LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r97"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-term Debt, Type [Axis]",
        "terseLabel": "Long-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r97",
      "r289"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Long-term Debt, Type [Domain]",
        "terseLabel": "Long-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LossContingenciesByNatureOfContingencyAxis": {
     "auth_ref": [
      "r270",
      "r271",
      "r272",
      "r274",
      "r275",
      "r276",
      "r278",
      "r283",
      "r284"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur.",
        "label": "Loss Contingency Nature [Axis]",
        "terseLabel": "Loss Contingency Nature [Axis]"
       }
      }
     },
     "localname": "LossContingenciesByNatureOfContingencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingenciesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Loss Contingencies [Line Items]",
        "terseLabel": "Loss Contingencies [Line Items]"
       }
      }
     },
     "localname": "LossContingenciesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingenciesTable": {
     "auth_ref": [
      "r270",
      "r271",
      "r272",
      "r274",
      "r275",
      "r276",
      "r278",
      "r283",
      "r284"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.",
        "label": "Loss Contingencies [Table]",
        "terseLabel": "Loss Contingencies [Table]"
       }
      }
     },
     "localname": "LossContingenciesTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingencyAccrualAtCarryingValue": {
     "auth_ref": [
      "r270"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of loss contingency liability.",
        "label": "Loss Contingency Accrual",
        "terseLabel": "Loss contingency accrual"
       }
      }
     },
     "localname": "LossContingencyAccrualAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LossContingencyDamagesAwardedValue": {
     "auth_ref": [
      "r270",
      "r273",
      "r277"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of damages awarded to the plaintiff in the legal matter.",
        "label": "Loss Contingency, Damages Awarded, Value",
        "verboseLabel": "Spent nuclear fuel damages awarded"
       }
      }
     },
     "localname": "LossContingencyDamagesAwardedValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LossContingencyDamagesSoughtValue": {
     "auth_ref": [
      "r270",
      "r273",
      "r277"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The value (monetary amount) of the award the plaintiff seeks in the legal matter.",
        "label": "Loss Contingency, Damages Sought, Value",
        "terseLabel": "Filed claims amount"
       }
      }
     },
     "localname": "LossContingencyDamagesSoughtValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesNuclearFuelDisposalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LossContingencyNatureDomain": {
     "auth_ref": [
      "r270",
      "r271",
      "r272",
      "r274",
      "r275",
      "r276",
      "r278",
      "r283",
      "r284"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or impairment of an asset or the incurrence of a liability.",
        "label": "Loss Contingency, Nature [Domain]",
        "terseLabel": "Loss Contingency, Nature [Domain]"
       }
      }
     },
     "localname": "LossContingencyNatureDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LossContingencyNewClaimsFiledNumber": {
     "auth_ref": [
      "r273"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total number of new claims filed pertaining to a loss contingency during the period.",
        "label": "Loss Contingency, New Claims Filed, Number",
        "verboseLabel": "Number of lawsuits filed"
       }
      }
     },
     "localname": "LossContingencyNewClaimsFiledNumber",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_LossContingencyNumberOfPlaintiffs": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of plaintiffs that have filed claims pertaining to a loss contingency.",
        "label": "Loss Contingency, Number of Plaintiffs",
        "terseLabel": "Number of plaintiffs"
       }
      }
     },
     "localname": "LossContingencyNumberOfPlaintiffs",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by major type of debt and equity security.",
        "label": "Major Types of Debt and Equity Securities [Axis]",
        "terseLabel": "Major Types of Debt and Equity Securities [Axis]"
       }
      }
     },
     "localname": "MajorTypesOfDebtAndEquitySecuritiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain": {
     "auth_ref": [
      "r222",
      "r223",
      "r224",
      "r482"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions. Equity securities are ownership interests or the right to acquire or dispose of ownership interests in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock.",
        "label": "Major Types of Debt and Equity Securities [Domain]",
        "terseLabel": "Major Types of Debt and Equity Securities [Domain]"
       }
      }
     },
     "localname": "MajorTypesOfDebtAndEquitySecuritiesDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MajorityShareholderMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Owner that controls more than 50 percent of the voting interest in the entity through direct or indirect ownership.",
        "label": "Majority Shareholder [Member]",
        "terseLabel": "Due to/from Sempra Energy [Member]"
       }
      }
     },
     "localname": "MajorityShareholderMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1": {
     "auth_ref": [
      "r404"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge",
        "terseLabel": "Maximum remaining term of cash flow hedges"
       }
      }
     },
     "localname": "MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_MaximumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Upper limit of the provided range.",
        "label": "Maximum [Member]",
        "terseLabel": "Maximum [Member]"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures.  This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings.",
        "label": "Mergers, Acquisitions and Dispositions Disclosures [Text Block]",
        "terseLabel": "ACQUISITION AND DIVESTITURE ACTIVITY"
       }
      }
     },
     "localname": "MergersAcquisitionsAndDispositionsDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivity"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_MinimumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lower limit of the provided range.",
        "label": "Minimum [Member]",
        "terseLabel": "Minimum [Member]"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MinorityInterestAmountRepresentedByPreferredStock": {
     "auth_ref": [
      "r78",
      "r472",
      "r499"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of noncontrolling interest in subsidiary represented by preferred securities issued by the subsidiary.",
        "label": "Noncontrolling Interest, Amount Represented by Preferred Stock",
        "terseLabel": "Preferred stock of subsidiary"
       }
      }
     },
     "localname": "MinorityInterestAmountRepresentedByPreferredStock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders": {
     "auth_ref": [
      "r295"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.",
        "label": "Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders",
        "negatedLabel": "Distributions to noncontrolling interests"
       }
      }
     },
     "localname": "MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MinorityInterestLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Noncontrolling Interest [Line Items]",
        "terseLabel": "Noncontrolling Interest [Line Items]"
       }
      }
     },
     "localname": "MinorityInterestLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.",
        "label": "Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners",
        "terseLabel": "Percent ownership held by noncontrolling interests"
       }
      }
     },
     "localname": "MinorityInterestOwnershipPercentageByNoncontrollingOwners",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_MinorityInterestTable": {
     "auth_ref": [
      "r105",
      "r131",
      "r345",
      "r353"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of noncontrolling interest disclosure which includes the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.",
        "label": "Noncontrolling Interest [Table]",
        "terseLabel": "Noncontrolling Interest [Table]"
       }
      }
     },
     "localname": "MinorityInterestTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r152",
      "r154"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "terseLabel": "Net cash provided by financing activities",
        "totalLabel": "Net cash (used in) provided by financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]",
        "terseLabel": "CASH FLOWS FROM FINANCING ACTIVITIES",
        "verboseLabel": "Cash flows from financing activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r152",
      "r154"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash used in investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]",
        "terseLabel": "CASH FLOWS FROM INVESTING ACTIVITIES"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r152",
      "r153",
      "r157"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "terseLabel": "Net cash provided by operating activities",
        "totalLabel": "Net cash provided by operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "CASH FLOWS FROM OPERATING ACTIVITIES",
        "verboseLabel": "Cash flows from operating activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r25",
      "r27",
      "r126",
      "r157",
      "r193",
      "r479",
      "r501"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
        "label": "Net Income (Loss) Attributable to Parent",
        "netLabel": "Earnings attributable to common shares",
        "terseLabel": "Earnings",
        "totalLabel": "Earnings",
        "verboseLabel": "Earnings (losses)"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r349",
      "r363"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of Net Income (Loss) attributable to noncontrolling interest.",
        "label": "Net Income (Loss) Attributable to Noncontrolling Interest",
        "negatedLabel": "Earnings attributable to noncontrolling interest",
        "negatedTerseLabel": "Earnings Attributable to Noncontrolling Interests"
       }
      }
     },
     "localname": "NetIncomeLossAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r187"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic",
        "terseLabel": "Net income",
        "totalLabel": "Net income/Earnings attributable to common shares",
        "verboseLabel": "Earnings attributable to common shares"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NewAccountingPrinciplesEarlyAdoptionMember": {
     "auth_ref": [
      "r179",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents a group of guidance that has been adopted early.",
        "label": "New Accounting Principles, Early Adoption [Domain]",
        "terseLabel": "New Accounting Principles, Early Adoption [Domain]"
       }
      }
     },
     "localname": "NewAccountingPrinciplesEarlyAdoptionMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NewAccountingPronouncementEarlyAdoptionAxis": {
     "auth_ref": [
      "r179",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The financial statement line items and the effect of the guidance on financial statement line items by guidance implemented if the entity elects earlier application.",
        "label": "New Accounting Pronouncement, Early Adoption [Axis]",
        "terseLabel": "New Accounting Pronouncement, Early Adoption [Axis]"
       }
      }
     },
     "localname": "NewAccountingPronouncementEarlyAdoptionAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember": {
     "auth_ref": [
      "r179",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The effect of early adoption of guidance on financial statement line items.",
        "label": "New Accounting Pronouncement, Early Adoption, Effect [Member]",
        "terseLabel": "Effect of Early Adoption of New Accounting Pronouncement [Member]"
       }
      }
     },
     "localname": "NewAccountingPronouncementEarlyAdoptionEffectMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NewAccountingPronouncementEarlyAdoptionTableTextBlock": {
     "auth_ref": [
      "r179",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of financial statement line items and the effect of the guidance on the financial statement line items if the entity elects early adoption of accounting guidance.",
        "label": "New Accounting Pronouncement, Early Adoption [Table Text Block]",
        "terseLabel": "Schedule of New Accounting Pronouncement Impact"
       }
      }
     },
     "localname": "NewAccountingPronouncementEarlyAdoptionTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "New Accounting Pronouncements and Changes in Accounting Principles [Abstract]"
       }
      }
     },
     "localname": "NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock": {
     "auth_ref": [
      "r0",
      "r6",
      "r13",
      "r18",
      "r31",
      "r179",
      "r180",
      "r181",
      "r196",
      "r197",
      "r198"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.",
        "label": "New Accounting Pronouncements and Changes in Accounting Principles [Text Block]",
        "terseLabel": "New Accounting Standards"
       }
      }
     },
     "localname": "NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandards"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]",
        "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]"
       }
      }
     },
     "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": {
     "auth_ref": [
      "r0",
      "r6",
      "r13",
      "r18",
      "r31",
      "r179",
      "r180",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items.",
        "label": "New Accounting Pronouncements or Change in Accounting Principle [Table]",
        "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Table]"
       }
      }
     },
     "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "New Accounting Standards"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NoncontrollingInterestAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Noncontrolling Interest [Abstract]"
       }
      }
     },
     "localname": "NoncontrollingInterestAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NoncontrollingInterestMember": {
     "auth_ref": [
      "r344"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest.",
        "label": "Noncontrolling Interest [Member]",
        "terseLabel": "Noncontrolling Interest [Member]",
        "verboseLabel": "Noncontrolling Interests (after-tax) [Member]"
       }
      }
     },
     "localname": "NoncontrollingInterestMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NondesignatedMember": {
     "auth_ref": [
      "r373"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instruments not designated as hedging instruments.",
        "label": "Not Designated as Hedging Instrument [Member]",
        "terseLabel": "Not Designated as Hedging Instrument [Member]"
       }
      }
     },
     "localname": "NondesignatedMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NonoperatingIncomeExpense": {
     "auth_ref": [
      "r137"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 6.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).",
        "label": "Nonoperating Income (Expense)",
        "terseLabel": "Other income, net",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "NonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NotesPayableFairValueDisclosure": {
     "auth_ref": [
      "r92"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of notes payable.",
        "label": "Notes Payable, Fair Value Disclosure",
        "terseLabel": "Total long-term debt"
       }
      }
     },
     "localname": "NotesPayableFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NumberOfReportableSegments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.",
        "label": "Number of Reportable Segments",
        "terseLabel": "Number of reportable segments"
       }
      }
     },
     "localname": "NumberOfReportableSegments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OperatingExpenseMember": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing expenses associated with normal operations.",
        "label": "Operating Expense [Member]",
        "terseLabel": "Operation and Maintenance [Member]"
       }
      }
     },
     "localname": "OperatingExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OperatingExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.",
        "label": "Operating Expenses",
        "totalLabel": "Total operating expenses"
       }
      }
     },
     "localname": "OperatingExpenses",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating expenses"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net result for the period of deducting operating expenses from operating revenues.",
        "label": "Operating Income (Loss)",
        "terseLabel": "Operating income",
        "totalLabel": "Operating income"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingSegmentsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Operating Segments [Member]",
        "terseLabel": "Operating Segments [Member]"
       }
      }
     },
     "localname": "OperatingSegmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "auth_ref": [
      "r35",
      "r36",
      "r167",
      "r202",
      "r348"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.",
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "General"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/General"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r10",
      "r58",
      "r59",
      "r60",
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 10.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.",
        "label": "Other Accrued Liabilities, Current",
        "terseLabel": "Accrued franchise fees"
       }
      }
     },
     "localname": "OtherAccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsCurrent": {
     "auth_ref": [
      "r107"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 12.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current assets classified as other.",
        "label": "Other Assets, Current",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 11.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of noncurrent assets classified as other.",
        "label": "Other Assets, Noncurrent",
        "terseLabel": "Sundry"
       }
      }
     },
     "localname": "OtherAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax": {
     "auth_ref": [
      "r113",
      "r118",
      "r439",
      "r440",
      "r441",
      "r442"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax",
        "terseLabel": "Foreign currency translation adjustments"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location in other comprehensive income.",
        "label": "Other Comprehensive Income Location [Axis]",
        "terseLabel": "Other Comprehensive Income Location [Axis]"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLocationDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in other comprehensive income.",
        "label": "Other Comprehensive Income Location [Domain]",
        "terseLabel": "Other Comprehensive Income Location [Domain]"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax": {
     "auth_ref": [
      "r121",
      "r124"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax, before reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), before Reclassifications, Net of Tax",
        "terseLabel": "Other comprehensive income (loss), before reclassifications"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax": {
     "auth_ref": [
      "r114"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).",
        "label": "Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax",
        "terseLabel": "Financial instruments"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r122",
      "r123",
      "r124",
      "r290"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "sre_TotalComprehensiveIncomeBeforePreferredStockDividendRequirements",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), Net of Tax",
        "totalLabel": "Total other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]",
        "terseLabel": "Other comprehensive income (loss):"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r346",
      "r347",
      "r351"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent",
        "totalLabel": "Total other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax": {
     "auth_ref": [
      "r117"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 3.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.",
        "label": "Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax",
        "negatedLabel": "Pension and other postretirement benefits"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherCostAndExpenseOperating": {
     "auth_ref": [
      "r134"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 15.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.",
        "label": "Other Cost and Expense, Operating",
        "negatedLabel": "Operation and maintenance",
        "negatedTerseLabel": "Operation and maintenance"
       }
      }
     },
     "localname": "OtherCostAndExpenseOperating",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherCurrentAssetsMember": {
     "auth_ref": [
      "r375",
      "r399"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other current assets.",
        "label": "Other Current Assets [Member]",
        "terseLabel": "Current assets: Fixed-price contracts and other derivatives [Member]"
       }
      }
     },
     "localname": "OtherCurrentAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherCurrentLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other current liabilities.",
        "label": "Other Current Liabilities [Member]",
        "terseLabel": "Current liabilities: Fixed-price contracts and other derivatives [Member]"
       }
      }
     },
     "localname": "OtherCurrentLiabilitiesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherDebtSecuritiesMember": {
     "auth_ref": [
      "r225"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investments in debt securities classified as other.",
        "label": "Other Debt Obligations [Member]",
        "terseLabel": "Other securities [Member]"
       }
      }
     },
     "localname": "OtherDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherDerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNetTotalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net [Abstract]",
        "terseLabel": "Derivatives not designated as hedging instruments:"
       }
      }
     },
     "localname": "OtherDerivativesNotDesignatedAsHedgingInstrumentsAtFairValueNetTotalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherIncomeDisclosureNonoperatingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Income, Nonoperating [Abstract]"
       }
      }
     },
     "localname": "OtherIncomeDisclosureNonoperatingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherIncomeMember": {
     "auth_ref": [
      "r389"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other revenue.",
        "label": "Other Income [Member]",
        "terseLabel": "Other Income, Net [Member]"
       }
      }
     },
     "localname": "OtherIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherLiabilitiesCurrent": {
     "auth_ref": [
      "r57",
      "r58",
      "r94"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 17.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.",
        "label": "Other Liabilities, Current",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherMinorityInterests": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount of equity interests owned by noncontrolling shareholders, partners, or other equity holders in one or more of the entities consolidated into the reporting entity's financial statements other than joint ventures, limited partnerships, operating partnerships or interests held by preferred unit holders.",
        "label": "Other Noncontrolling Interests",
        "terseLabel": "Other noncontrolling interests",
        "verboseLabel": "Noncontrolling interests"
       }
      }
     },
     "localname": "OtherMinorityInterests",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNoncurrentAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other noncurrent assets.",
        "label": "Other Noncurrent Assets [Member]",
        "terseLabel": "Other assets: Sundry [Member]"
       }
      }
     },
     "localname": "OtherNoncurrentAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherNoncurrentLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other noncurrent liabilities.",
        "label": "Other Noncurrent Liabilities [Member]",
        "terseLabel": "Deferred credits and other liabilities: Fixed-price contracts and other derivatives [Member]"
       }
      }
     },
     "localname": "OtherNoncurrentLiabilitiesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeInstrumentsOnCondensedBalanceSheetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "auth_ref": [
      "r138"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 8.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.",
        "label": "Other Nonoperating Income (Expense)",
        "terseLabel": "Sundry, net"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember": {
     "auth_ref": [
      "r11",
      "r318",
      "r323"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Plan designed to provide participants with a postretirement benefit, other than a pension benefit.",
        "label": "Other Postretirement Benefit Plan [Member]",
        "terseLabel": "Other postretirement benefits [Member]"
       }
      }
     },
     "localname": "OtherPostretirementBenefitPlansDefinedBenefitMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ParentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Portion of equity, or net assets, in the consolidated entity attributable, directly or indirectly, to the parent. Excludes noncontrolling interests.",
        "label": "Parent [Member]",
        "terseLabel": "Parent [Member]"
       }
      }
     },
     "localname": "ParentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PaymentsForProceedsFromOtherInvestingActivities": {
     "auth_ref": [
      "r19",
      "r159",
      "r161"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash (inflow) outflow from investing activities classified as other.",
        "label": "Payments for (Proceeds from) Other Investing Activities",
        "negatedLabel": "Other"
       }
      }
     },
     "localname": "PaymentsForProceedsFromOtherInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfCommonStock": {
     "auth_ref": [
      "r16",
      "r148"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to reacquire common stock during the period.",
        "label": "Payments for Repurchase of Common Stock",
        "negatedLabel": "Repurchases of common stock"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividendsCommonStock": {
     "auth_ref": [
      "r16",
      "r148"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.",
        "label": "Payments of Ordinary Dividends, Common Stock",
        "negatedLabel": "Common dividends paid"
       }
      }
     },
     "localname": "PaymentsOfDividendsCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireEquityMethodInvestments": {
     "auth_ref": [
      "r143"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.",
        "label": "Payments to Acquire Equity Method Investments",
        "terseLabel": "Investments made during period"
       }
      }
     },
     "localname": "PaymentsToAcquireEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireInvestments": {
     "auth_ref": [
      "r19",
      "r145"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the purchase of all investments (debt, security, other) during the period.",
        "label": "Payments to Acquire Investments",
        "negatedLabel": "Expenditures for investments"
       }
      }
     },
     "localname": "PaymentsToAcquireInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireProductiveAssets": {
     "auth_ref": [
      "r19",
      "r144"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.",
        "label": "Payments to Acquire Productive Assets",
        "negatedLabel": "Expenditures for property, plant and equipment"
       }
      }
     },
     "localname": "PaymentsToAcquireProductiveAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "auth_ref": [
      "r19",
      "r144"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.",
        "label": "Payments to Acquire Property, Plant, and Equipment",
        "terseLabel": "EXPENDITURES FOR PROPERTY, PLANT &amp; EQUIPMENT"
       }
      }
     },
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToFundLongtermLoansToRelatedParties": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates.",
        "label": "Payments to Fund Long-term Loans to Related Parties",
        "negatedLabel": "Advances to unconsolidated affiliates"
       }
      }
     },
     "localname": "PaymentsToFundLongtermLoansToRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToInvestInDecommissioningFund": {
     "auth_ref": [
      "r19",
      "r145"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for the purchase of investments that will be held in a decommissioning trust fund.",
        "label": "Payments to Acquire Investments to be Held in Decommissioning Trust Fund",
        "negatedLabel": "Purchases of nuclear decommissioning trust assets"
       }
      }
     },
     "localname": "PaymentsToInvestInDecommissioningFund",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToMinorityShareholders": {
     "auth_ref": [
      "r16",
      "r150"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.",
        "label": "Payments to Noncontrolling Interests",
        "negatedTerseLabel": "Capital distributions made by VIE"
       }
      }
     },
     "localname": "PaymentsToMinorityShareholders",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent": {
     "auth_ref": [
      "r98",
      "r301",
      "r305",
      "r316",
      "r317"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.",
        "label": "Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent",
        "terseLabel": "Pension and other postretirement benefit plan obligations, net of plan assets"
       }
      }
     },
     "localname": "PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PensionPlansDefinedBenefitMember": {
     "auth_ref": [
      "r11",
      "r318",
      "r323"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Plan designed to provide participants with a pension benefit. Excludes other postretirement benefit plans.",
        "label": "Pension Plan [Member]",
        "terseLabel": "Pension benefits [Member]"
       }
      }
     },
     "localname": "PensionPlansDefinedBenefitMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PortionAtFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r422",
      "r423"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured at fair value for financial reporting purposes.",
        "label": "Portion at Fair Value Measurement [Member]",
        "terseLabel": "Portion at Fair Value Measurement [Member]"
       }
      }
     },
     "localname": "PortionAtFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r73"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock, shares authorized"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r73"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.",
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred stock, shares issued"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r73"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Preferred Stock, Value, Issued",
        "terseLabel": "Preferred stock"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpenseCurrent": {
     "auth_ref": [
      "r9",
      "r53",
      "r55",
      "r249"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.",
        "label": "Prepaid Expense, Current",
        "terseLabel": "Prepaid expenses"
       }
      }
     },
     "localname": "PrepaidExpenseCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromDecommissioningFund": {
     "auth_ref": [
      "r19",
      "r141"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from  the sale of assets held in a decommissioning trust fund.",
        "label": "Proceeds from Decommissioning Trust Fund Assets",
        "terseLabel": "Proceeds from sales by nuclear decommissioning trusts"
       }
      }
     },
     "localname": "ProceedsFromDecommissioningFund",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations that are returns of capital. Excludes dividends or distributions from equity method investments classified as operating activities.",
        "label": "Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital",
        "terseLabel": "Distributions from investments"
       }
      }
     },
     "localname": "ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromInsuranceSettlementOperatingActivities": {
     "auth_ref": [
      "r151"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to operating activities. It excludes insurance settlements classified as investing cash flows, for example, insurance settlements related to fixed assets.",
        "label": "Proceeds from Insurance Settlement, Operating Activities",
        "terseLabel": "Insurance proceeds"
       }
      }
     },
     "localname": "ProceedsFromInsuranceSettlementOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfCommonStock": {
     "auth_ref": [
      "r16",
      "r146"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from the additional capital contribution to the entity.",
        "label": "Proceeds from Issuance of Common Stock",
        "terseLabel": "Issuances of common stock"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfLongTermDebt": {
     "auth_ref": [
      "r16",
      "r147"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.",
        "label": "Proceeds from Issuance of Long-term Debt",
        "terseLabel": "Issuances of debt (maturities greater than 90 days)"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties": {
     "auth_ref": [
      "r19",
      "r139",
      "r142"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow or outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from (Payments for) Advances to Affiliates.",
        "label": "Proceeds from Collection of (Payments to Fund) Long-term Loans to Related Parties",
        "terseLabel": "Repayments of advances to unconsolidated affiliates"
       }
      }
     },
     "localname": "ProceedsFromPaymentsForLongTermLoansForRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromPaymentsForOtherFinancingActivities": {
     "auth_ref": [
      "r16",
      "r159",
      "r161"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities classified as other.",
        "label": "Proceeds from (Payments for) Other Financing Activities",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "ProceedsFromPaymentsForOtherFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess": {
     "auth_ref": [
      "r16",
      "r147",
      "r149",
      "r159",
      "r160"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months.",
        "label": "Proceeds from (Repayments of) Short-term Debt, Maturing in Three Months or Less",
        "terseLabel": "(Decrease) increase in short-term debt, net"
       }
      }
     },
     "localname": "ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfEquityMethodInvestments": {
     "auth_ref": [
      "r19",
      "r140"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.",
        "label": "Proceeds from Sale of Equity Method Investments",
        "terseLabel": "Proceeds from sale of equity method investment"
       }
      }
     },
     "localname": "ProceedsFromSaleOfEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProfitLoss": {
     "auth_ref": [
      "r346",
      "r349",
      "r350",
      "r363",
      "r364"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "sre_TotalComprehensiveIncomeBeforePreferredStockDividendRequirements",
       "weight": 1.0
      },
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.",
        "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest",
        "netLabel": "Net income",
        "terseLabel": "Net Income",
        "totalLabel": "Net income",
        "verboseLabel": "Income before income taxes/Net income"
       }
      }
     },
     "localname": "ProfitLoss",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentGross": {
     "auth_ref": [
      "r86",
      "r260"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Gross",
        "terseLabel": "Property, plant and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "auth_ref": [
      "r64",
      "r65",
      "r262",
      "r496"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Net",
        "terseLabel": "Property, plant and equipment, net",
        "totalLabel": "Property, plant and equipment, net",
        "verboseLabel": "Property, plant and equipment, net related to VIE"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Property, Plant and Equipment, Net [Abstract]",
        "terseLabel": "Property, plant and equipment:"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity": {
     "auth_ref": [
      "r521",
      "r522"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets.",
        "label": "Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity",
        "verboseLabel": "Allowance for equity funds used during construction"
       }
      }
     },
     "localname": "PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PublicUtilitiesDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for public utilities.",
        "label": "Public Utilities Disclosure [Text Block]",
        "terseLabel": "San Onofre Nuclear Generating Station (SONGS)"
       }
      }
     },
     "localname": "PublicUtilitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongs"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PublicUtilitiesGeneralDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Public Utilities, General Disclosures [Abstract]"
       }
      }
     },
     "localname": "PublicUtilitiesGeneralDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PublicUtilitiesGeneralDisclosuresLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Public Utilities, General Disclosures [Line Items]",
        "terseLabel": "Public Utilities, General Disclosures [Line Items]"
       }
      }
     },
     "localname": "PublicUtilitiesGeneralDisclosuresLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PublicUtilitiesGeneralDisclosuresTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about regulation for public utility entities, including, but not limited to, rate requests, decommissioning costs and the amount of allowance for earnings on equity capitalized for rate making purposes.",
        "label": "Public Utilities General Disclosures [Table]",
        "terseLabel": "Public Utilities General Disclosures [Table]"
       }
      }
     },
     "localname": "PublicUtilitiesGeneralDisclosuresTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period end book value of other property, plant and equipment (PPE) owned (but not classified elsewhere) by the public utility.",
        "label": "Public Utilities, Property, Plant and Equipment, Other Property, Plant and Equipment",
        "terseLabel": "Net book value of Aliso Canyon facility"
       }
      }
     },
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by range, including, but not limited to, upper and lower bounds.",
        "label": "Range [Axis]",
        "terseLabel": "Range [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RangeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Extent of variation, for example, but not limited to, upper and lower bounds.",
        "label": "Range [Domain]",
        "terseLabel": "Range [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeNotionalsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]",
        "terseLabel": "Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]"
       }
      }
     },
     "localname": "ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax": {
     "auth_ref": [
      "r121"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax of reclassification adjustments of other comprehensive income (loss).",
        "label": "Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax",
        "negatedLabel": "Reclassification from AOCI"
       }
      }
     },
     "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax": {
     "auth_ref": [
      "r121",
      "r124"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of reclassification adjustments of other comprehensive income (loss).",
        "label": "Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax",
        "negatedLabel": "Total reclassifications for the period",
        "negatedTerseLabel": "Amounts reclassified from accumulated other comprehensive income"
       }
      }
     },
     "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]",
        "terseLabel": "AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]"
       }
      }
     },
     "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationFromAociCurrentPeriodTax": {
     "auth_ref": [
      "r119",
      "r343"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).",
        "label": "Reclassification from AOCI, Current Period, Tax",
        "terseLabel": "Income tax expense"
       }
      }
     },
     "localname": "ReclassificationFromAociCurrentPeriodTax",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by item reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Axis]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Axis]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Item reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Domain]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Domain]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies item reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Member]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Member]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about items reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Table]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Table]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]",
        "terseLabel": "Reclassifications out of AOCI Table"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RegulatedAndUnregulatedOperatingRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 10.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of operating revenues recognized during the period.",
        "label": "Regulated and Unregulated Operating Revenue",
        "totalLabel": "Total revenues"
       }
      }
     },
     "localname": "RegulatedAndUnregulatedOperatingRevenue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatedAndUnregulatedOperatingRevenueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Regulated and Unregulated Operating Revenue [Abstract]",
        "terseLabel": "REVENUES"
       }
      }
     },
     "localname": "RegulatedAndUnregulatedOperatingRevenueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RegulatedOperatingRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_RegulatedAndUnregulatedOperatingRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of regulated operating revenues recognized during the period.",
        "label": "Regulated Operating Revenue",
        "terseLabel": "Utilities"
       }
      }
     },
     "localname": "RegulatedOperatingRevenue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatedOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Regulated Operations [Abstract]"
       }
      }
     },
     "localname": "RegulatedOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RegulatoryAgencyAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of regulatory agency.",
        "label": "Regulatory Agency [Axis]",
        "terseLabel": "Regulatory Agency [Axis]"
       }
      }
     },
     "localname": "RegulatoryAgencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RegulatoryAgencyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Organization that establishes and ensures compliance with rules or regulations.",
        "label": "Regulatory Agency [Domain]",
        "terseLabel": "Regulatory Agency [Domain]"
       }
      }
     },
     "localname": "RegulatoryAgencyDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RegulatoryAssetAmortizationPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Regulatory Asset, Amortization Period",
        "terseLabel": "Regulatory Asset, Amortization Period"
       }
      }
     },
     "localname": "RegulatoryAssetAmortizationPeriod",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_RegulatoryAssetAxis": {
     "auth_ref": [
      "r512",
      "r513",
      "r518"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of regulatory asset.",
        "label": "Regulatory Asset [Axis]",
        "terseLabel": "Regulatory Asset [Axis]"
       }
      }
     },
     "localname": "RegulatoryAssetAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RegulatoryAssetDomain": {
     "auth_ref": [
      "r512"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rate action of a regulator resulting in capitalization of costs incurred.",
        "label": "Regulatory Asset [Domain]",
        "terseLabel": "Regulatory Asset [Domain]"
       }
      }
     },
     "localname": "RegulatoryAssetDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RegulatoryAssets": {
     "auth_ref": [
      "r512"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.",
        "label": "Regulatory Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "RegulatoryAssets",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatoryAssetsCurrent": {
     "auth_ref": [
      "r512"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 10.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_RegulatoryAssets",
       "weight": 1.0
      },
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails": {
       "order": 1.0,
       "parentTag": "sre_RegulatoryAssetNuclearPlantClosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost.",
        "label": "Regulatory Assets, Current",
        "netLabel": "Other current assets",
        "terseLabel": "Regulatory asset, current",
        "verboseLabel": "Regulatory assets"
       }
      }
     },
     "localname": "RegulatoryAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatoryAssetsNoncurrent": {
     "auth_ref": [
      "r512"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_RegulatoryAssets",
       "weight": 1.0
      },
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails": {
       "order": 2.0,
       "parentTag": "sre_RegulatoryAssetNuclearPlantClosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.",
        "label": "Regulatory Assets, Noncurrent",
        "netLabel": "Sundry",
        "terseLabel": "Regulatory assets",
        "verboseLabel": "Regulatory asset, noncurrent"
       }
      }
     },
     "localname": "RegulatoryAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails",
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatoryIncomeTaxesPolicy": {
     "auth_ref": [
      "r167",
      "r519",
      "r520"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for income taxes, including investment tax credits, and the related regulatory treatment (for example, whether deferred income tax accounting - normalization - is allowed in rate making).",
        "label": "Regulatory Income Taxes, Policy [Policy Text Block]",
        "terseLabel": "Flow-through rate-making treatment tax policy"
       }
      }
     },
     "localname": "RegulatoryIncomeTaxesPolicy",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RegulatoryLiabilities": {
     "auth_ref": [
      "r516"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.",
        "label": "Regulatory Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "RegulatoryLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatoryLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Regulatory Liabilities [Line Items]",
        "terseLabel": "Regulatory Liabilities [Line Items]"
       }
      }
     },
     "localname": "RegulatoryLiabilitiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RegulatoryLiabilityAxis": {
     "auth_ref": [
      "r516"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of regulatory liability.",
        "label": "Regulatory Liability [Axis]",
        "terseLabel": "Regulatory Liability [Axis]"
       }
      }
     },
     "localname": "RegulatoryLiabilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RegulatoryLiabilityCurrent": {
     "auth_ref": [
      "r516"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_RegulatoryLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.",
        "label": "Regulatory Liability, Current",
        "terseLabel": "Other current liabilities"
       }
      }
     },
     "localname": "RegulatoryLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RegulatoryLiabilityDomain": {
     "auth_ref": [
      "r516"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rate action of a regulator resulting in accrual of costs or expenses.",
        "label": "Regulatory Liability [Domain]",
        "terseLabel": "Regulatory Liability [Domain]"
       }
      }
     },
     "localname": "RegulatoryLiabilityDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RegulatoryLiabilityNoncurrent": {
     "auth_ref": [
      "r98"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_RegulatoryLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.",
        "label": "Regulatory Liability, Noncurrent",
        "terseLabel": "Deferred credits and other"
       }
      }
     },
     "localname": "RegulatoryLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyDomain": {
     "auth_ref": [
      "r23",
      "r28",
      "r30",
      "r450",
      "r451",
      "r452"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Domain]",
        "terseLabel": "Related Party [Domain]"
       }
      }
     },
     "localname": "RelatedPartyDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTaxExpenseDueFromAffiliatesCurrent": {
     "auth_ref": [
      "r340"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of any current tax-related balances due from affiliates as of the date of each statement of financial position presented.",
        "label": "Related Party Tax Expense, Due from Affiliates, Current",
        "terseLabel": "Income taxes due from Sempra Energy"
       }
      }
     },
     "localname": "RelatedPartyTaxExpenseDueFromAffiliatesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyTaxExpenseDueToAffiliatesCurrent": {
     "auth_ref": [
      "r340"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of any current tax-related balances due to affiliates as of the date of each statement of financial position presented.",
        "label": "Related Party Tax Expense, Due to Affiliates, Current",
        "negatedTerseLabel": "Income taxes due to Sempra Energy"
       }
      }
     },
     "localname": "RelatedPartyTaxExpenseDueToAffiliatesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyTransactionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Related Party Transaction [Line Items]",
        "terseLabel": "Related Party Transaction [Line Items]"
       }
      }
     },
     "localname": "RelatedPartyTransactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.",
        "label": "Related Party Transaction, Rate",
        "terseLabel": "Interest rate on due from affiliate, noncurrent"
       }
      }
     },
     "localname": "RelatedPartyTransactionRate",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_RelatedPartyTransactionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Related Party Transactions [Abstract]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "auth_ref": [
      "r454",
      "r456",
      "r457",
      "r458",
      "r459"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Axis]",
        "terseLabel": "Related Party [Axis]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "auth_ref": [
      "r16",
      "r149"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.",
        "label": "Repayments of Long-term Debt",
        "negatedLabel": "Payments on debt (maturities greater than 90 days)"
       }
      }
     },
     "localname": "RepaymentsOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestatementAdjustmentMember": {
     "auth_ref": [
      "r182",
      "r183"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Effect of a correction of an error, other prior year adjustment, or application of a new accounting pronouncement on a financial statement line item or any per share amounts. The cumulative effect of the change on retained earnings or net assets in the statement of financial position would also be represented under this domain member.",
        "label": "Restatement Adjustment [Member]",
        "terseLabel": "Effect of adoption [Member]"
       }
      }
     },
     "localname": "RestatementAdjustmentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalents": {
     "auth_ref": [
      "r84"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.",
        "label": "Restricted Cash and Cash Equivalents",
        "terseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r84"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.",
        "label": "Restricted Cash and Cash Equivalents, Current",
        "terseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsNoncurrent": {
     "auth_ref": [
      "r84"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "sre_TotalInvestmentsAndOtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.",
        "label": "Restricted Cash and Cash Equivalents, Noncurrent",
        "terseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockUnitsRSUMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.",
        "label": "Restricted Stock Units (RSUs) [Member]",
        "verboseLabel": "RSUs [Member]"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r76",
      "r295",
      "r494"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings (Accumulated Deficit)",
        "terseLabel": "Retained earnings"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromRelatedParties": {
     "auth_ref": [
      "r30",
      "r129",
      "r505"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.",
        "label": "Revenue from Related Parties",
        "terseLabel": "Revenue from related parties"
       }
      }
     },
     "localname": "RevenueFromRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Revenues": {
     "auth_ref": [
      "r130"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).",
        "label": "Revenues",
        "terseLabel": "REVENUES"
       }
      }
     },
     "localname": "Revenues",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
        "label": "Revolving Credit Facility [Member]",
        "terseLabel": "Revolving Credit Facility [Member]"
       }
      }
     },
     "localname": "RevolvingCreditFacilityMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SalesMember": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing revenue from sale of goods and services rendered in the normal course of business.",
        "label": "Sales [Member]",
        "terseLabel": "Revenues: Energy- Related Businesses [Member]"
       }
      }
     },
     "localname": "SalesMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsDerivativeImpactOnIncomeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScenarioForecastMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The reporting scenario used to indicate financial results forecast for a future period.",
        "label": "Scenario, Forecast [Member]",
        "terseLabel": "Forecast [Member]"
       }
      }
     },
     "localname": "ScenarioForecastMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScenarioPreviouslyReportedMember": {
     "auth_ref": [
      "r182",
      "r183",
      "r184"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the amount as previously reported before the correction of an error or other adjustment.",
        "label": "Scenario, Previously Reported [Member]",
        "terseLabel": "As previously reported [Member]"
       }
      }
     },
     "localname": "ScenarioPreviouslyReportedMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScenarioUnspecifiedDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Any scenario, that is, the particular reporting scenario is left unspecified. Scenarios distinguish among different kinds of business reporting facts, as for example actual versus budgeted figures.",
        "label": "Scenario, Unspecified [Domain]",
        "terseLabel": "Scenario, Unspecified [Domain]"
       }
      }
     },
     "localname": "ScenarioUnspecifiedDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": {
     "auth_ref": [
      "r121"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss).",
        "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]",
        "terseLabel": "Schedule of Accumulated Other Comprehensive Income (Loss) Table"
       }
      }
     },
     "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Schedule of Available-for-sale Securities [Line Items]",
        "terseLabel": "Schedule of Available-for-sale Securities [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesTable": {
     "auth_ref": [
      "r3",
      "r231",
      "r232",
      "r234",
      "r235",
      "r236",
      "r238",
      "r482",
      "r483"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.",
        "label": "Schedule of Available-for-sale Securities [Table]",
        "terseLabel": "Schedule of Available-for-sale Securities [Table]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfCapitalizationTable": {
     "auth_ref": [
      "r199"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summarization of information required and determined to be disclosed concerning the capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.",
        "label": "Schedule of Capitalization [Table]",
        "terseLabel": "Schedule of Capitalization [Table]"
       }
      }
     },
     "localname": "ScheduleOfCapitalizationTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataCapitalizedFinancingCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfCapitalizationTextBlock": {
     "auth_ref": [
      "r199"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the capitalization of the entity comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.",
        "label": "Schedule of Capitalization [Table Text Block]",
        "terseLabel": "Capitalized Financing Costs Table"
       }
      }
     },
     "localname": "ScheduleOfCapitalizationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualShareBasedPaymentsTable": {
     "auth_ref": [
      "r298",
      "r299",
      "r300",
      "r327",
      "r330"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule, table or text reflecting equity-based arrangements (such as stock or unit options and stock or unit awards) with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain equity-based awards at future dates, sometimes including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period, the number of shares or units issued during the period under such arrangements, and the carrying amount as of the balance sheet date of the related liability.",
        "label": "Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table]",
        "terseLabel": "Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table]"
       }
      }
     },
     "localname": "ScheduleOfDeferredCompensationArrangementWithIndividualShareBasedPaymentsTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable": {
     "auth_ref": [
      "r315",
      "r316",
      "r317",
      "r318",
      "r320"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosures about an individual defined benefit pension plan or an other postretirement defined benefit plan. It may be appropriate to group certain similar plans.  Also includes schedule for fair value of plan assets by major categories of plan assets 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 or liabilities (Level 1), Significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).",
        "label": "Schedule of Defined Benefit Plans Disclosures [Table]",
        "terseLabel": "Schedule of Defined Benefit Plans Disclosures [Table]"
       }
      }
     },
     "localname": "ScheduleOfDefinedBenefitPlansDisclosuresTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataPensionAndOtherPostretirementBenefitsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock": {
     "auth_ref": [
      "r383"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) during the current period.",
        "label": "Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]",
        "terseLabel": "Cash Flow Hedge Impact on the Condensed Consolidated Statements of Comprehensive Income Table"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": {
     "auth_ref": [
      "r376",
      "r385"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.",
        "label": "Derivative Instruments, Gain (Loss) [Table Text Block]",
        "terseLabel": "Fair Value Hedge Impact on the Condensed Consolidated Statements of Operations Table"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": {
     "auth_ref": [
      "r381"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.",
        "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]",
        "terseLabel": "Derivative Instruments on the Condensed Consolidated Balance Sheets Table"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsTextBlock": {
     "auth_ref": [
      "r176",
      "r367",
      "r369",
      "r370",
      "r373",
      "r374",
      "r381",
      "r385",
      "r396",
      "r398"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.",
        "label": "Schedule of Derivative Instruments [Table Text Block]",
        "terseLabel": "Commodity Derivative Volumes Table"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock": {
     "auth_ref": [
      "r39",
      "r40",
      "r41",
      "r42",
      "r43",
      "r44",
      "r45",
      "r47",
      "r48",
      "r49",
      "r50",
      "r264",
      "r265"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.",
        "label": "Disposal Groups, Including Discontinued Operations [Table Text Block]",
        "terseLabel": "Schedule of Assets Held for Sale and Deconsolidation of Subsidiary Table"
       }
      }
     },
     "localname": "ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r193"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Earnings Per Share Computations Table"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": {
     "auth_ref": [
      "r338"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.",
        "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]",
        "terseLabel": "Income Tax Expense and Effective Income Tax Rates Table"
       }
      }
     },
     "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "auth_ref": [
      "r245"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of investment.",
        "label": "Investment, Name [Axis]",
        "terseLabel": "Investment, Name [Axis]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Schedule of Equity Method Investments [Line Items]",
        "terseLabel": "Schedule of Equity Method Investments [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfEquityMethodInvestmentsTable": {
     "auth_ref": [
      "r246"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summarization of information required and determined to be disclosed concerning equity method investments in common stock. The summarized information includes: (a) the name of each investee or group of investees for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available.",
        "label": "Schedule of Equity Method Investments [Table]",
        "terseLabel": "Schedule of Equity Method Investments [Table]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentsTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock": {
     "auth_ref": [
      "r449"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.",
        "label": "Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]",
        "terseLabel": "Schedule of Future Minimum Lease Payments for Capital Leases"
       }
      }
     },
     "localname": "ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": {
     "auth_ref": [
      "r61",
      "r81",
      "r82",
      "r83"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Schedule of Inventory, Current [Table Text Block]",
        "terseLabel": "Inventory Table"
       }
      }
     },
     "localname": "ScheduleOfInventoryCurrentTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock": {
     "auth_ref": [
      "r91",
      "r171"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
        "label": "Schedule of Line of Credit Facilities [Table Text Block]",
        "terseLabel": "Schedule of Line of Credit Facilities"
       }
      }
     },
     "localname": "ScheduleOfLineOfCreditFacilitiesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfNetBenefitCostsTableTextBlock": {
     "auth_ref": [
      "r308"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.",
        "label": "Schedule of Net Benefit Costs [Table Text Block]",
        "terseLabel": "Net Periodic Benefit Cost Table"
       }
      }
     },
     "localname": "ScheduleOfNetBenefitCostsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock": {
     "auth_ref": [
      "r368"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the notional amounts of outstanding derivative positions.",
        "label": "Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]",
        "terseLabel": "Notional Amounts of Interest Rate Derivatives Table"
       }
      }
     },
     "localname": "ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.",
        "label": "Schedule of Other Nonoperating Income (Expense) [Table Text Block]",
        "terseLabel": "Other Income and Expense Table"
       }
      }
     },
     "localname": "ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfOtherOwnershipInterestsTextBlock": {
     "auth_ref": [
      "r200",
      "r201",
      "r296"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of other units or shares or classes of ownership in a partnership.",
        "label": "Schedule of Other Ownership Interests [Table Text Block]",
        "terseLabel": "Ownership Interests Held By Others Table"
       }
      }
     },
     "localname": "ScheduleOfOtherOwnershipInterestsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRegulatoryLiabilitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table of liabilities that are created when regulatory agencies permit public utilities to defer recognition of certain revenues included in rate-setting.",
        "label": "Schedule of Regulatory Liabilities [Table]",
        "terseLabel": "Schedule of Regulatory Liabilities [Table]"
       }
      }
     },
     "localname": "ScheduleOfRegulatoryLiabilitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataGreenhouseGasGhgAllowancesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": {
     "auth_ref": [
      "r169",
      "r454",
      "r456",
      "r457",
      "r458",
      "r459"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Schedule of Related Party Transactions, by Related Party [Table]",
        "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]"
       }
      }
     },
     "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataAffiliatesRevenueAndCostOfSalesDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates.",
        "label": "Schedule of Related Party Transactions [Table Text Block]",
        "verboseLabel": "Transactions with Affiliates Table"
       }
      }
     },
     "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSecuritiesOwnedNotReadilyMarketableTextBlock": {
     "auth_ref": [
      "r465"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of not readily marketable securities and investments including, but not limited to, description of security or investment, fair value and value as measured by quoted price.",
        "label": "Securities Owned Not Readily Marketable [Table Text Block]",
        "verboseLabel": "Schedule of Sales of Securities By Nuclear Decommissioning Trusts"
       }
      }
     },
     "localname": "ScheduleOfSecuritiesOwnedNotReadilyMarketableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "auth_ref": [
      "r206",
      "r207",
      "r208",
      "r211",
      "r253"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table]",
        "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": {
     "auth_ref": [
      "r206",
      "r207",
      "r208",
      "r211",
      "r253"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfStockholdersEquityTableTextBlock": {
     "auth_ref": [
      "r290"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented.",
        "label": "Schedule of Stockholders Equity [Table Text Block]",
        "terseLabel": "Shareholders' Equity and Noncontrolling Interests Table"
       }
      }
     },
     "localname": "ScheduleOfStockholdersEquityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTable": {
     "auth_ref": [
      "r355",
      "r357",
      "r359",
      "r360",
      "r361"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table]",
        "terseLabel": "Schedule of Variable Interest Entities [Table]"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": {
     "auth_ref": [
      "r33",
      "r355",
      "r357",
      "r359",
      "r360",
      "r361"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table Text Block]",
        "terseLabel": "Variable Interest Entity Table"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SecuredDebt": {
     "auth_ref": [
      "r71",
      "r471",
      "r493"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.",
        "label": "Secured Debt",
        "terseLabel": "Secured debt of variable interest entity"
       }
      }
     },
     "localname": "SecuredDebt",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SegmentDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Segments [Domain]",
        "terseLabel": "Segments [Domain]"
       }
      }
     },
     "localname": "SegmentDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SegmentGeographicalDomain": {
     "auth_ref": [
      "r37",
      "r219",
      "r510"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Geographical area.",
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical [Domain]"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r203",
      "r204",
      "r205",
      "r209",
      "r210",
      "r211",
      "r212",
      "r213",
      "r214",
      "r215",
      "r216",
      "r218",
      "r219",
      "r220"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingInformationAdditionalInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting Information, Additional Information [Abstract]",
        "terseLabel": "Segment Reporting Information, Additional Information [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingInformationAdditionalInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingInformationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Segment Reporting Information [Line Items]",
        "terseLabel": "Segment Reporting Information [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingInformationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingInformationProfitLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting Information, Profit (Loss) [Abstract]",
        "terseLabel": "Segment Reporting Information, Profit (Loss) [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingInformationProfitLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingPolicyPolicyTextBlock": {
     "auth_ref": [
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for segment reporting.",
        "label": "Segment Reporting, Policy [Policy Text Block]",
        "terseLabel": "Segment Policy"
       }
      }
     },
     "localname": "SegmentReportingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r329"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Equity awards, granted (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r325",
      "r328"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity-based compensation award.",
        "label": "Equity Award [Domain]",
        "terseLabel": "Equity Award [Domain]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShortTermBorrowings": {
     "auth_ref": [
      "r67",
      "r468",
      "r492"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.",
        "label": "Short-term Debt",
        "terseLabel": "Short-term debt"
       }
      }
     },
     "localname": "ShortTermBorrowings",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShortTermDebtWeightedAverageInterestRate": {
     "auth_ref": [
      "r90"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average interest rate of short-term debt outstanding.",
        "label": "Short-term Debt, Weighted Average Interest Rate",
        "terseLabel": "Weighted average interest rate on total short-term debt outstanding"
       }
      }
     },
     "localname": "ShortTermDebtWeightedAverageInterestRate",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_StatementBusinessSegmentsAxis": {
     "auth_ref": [
      "r204"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by business segments.",
        "label": "Segments [Axis]",
        "terseLabel": "Segments [Axis]"
       }
      }
     },
     "localname": "StatementBusinessSegmentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityAssetsHeldForSaleDetails",
      "http://www.sempra.com/role/AcquisitionAndDivestitureActivityDivestituresDetails",
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLongTermDebtDetails",
      "http://www.sempra.com/role/InvestmentsInUnconsolidatedEntitiesDetails",
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails",
      "http://www.sempra.com/role/OtherFinancialDataInventoriesDetails",
      "http://www.sempra.com/role/OtherFinancialDataOtherNoncontrollingInterestsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails",
      "http://www.sempra.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r101",
      "r290"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components [Axis]"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DerivativeFinancialInstrumentsCashFlowHedgesDetails",
      "http://www.sempra.com/role/OtherFinancialDataChangesInAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementGeographicalAxis": {
     "auth_ref": [
      "r37",
      "r219",
      "r510"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by geographical components.",
        "label": "Geographical [Axis]",
        "terseLabel": "Geographical [Axis]"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/DebtAndCreditFacilitiesLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]",
        "terseLabel": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Comprehensive Income [Abstract]",
        "terseLabel": "Statement of Comprehensive Income [Abstract]"
       }
      }
     },
     "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementScenarioAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by scenario to be reported. Scenarios distinguish among different kinds of business reporting facts, as for example actual versus budgeted figures.",
        "label": "Scenario [Axis]",
        "terseLabel": "Scenario [Axis]"
       }
      }
     },
     "localname": "StatementScenarioAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/FairValueMeasurementsReconOfLevel3AssetsDetails",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/RegulatoryMattersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueNewIssues": {
     "auth_ref": [
      "r73",
      "r74",
      "r290",
      "r295"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.",
        "label": "Stock Issued During Period, Value, New Issues",
        "terseLabel": "Issuances of common stock"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchasedDuringPeriodValue": {
     "auth_ref": [
      "r73",
      "r74",
      "r290",
      "r295"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "label": "Stock Repurchased During Period, Value",
        "negatedLabel": "Repurchases of common stock"
       }
      }
     },
     "localname": "StockRepurchasedDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r74",
      "r77",
      "r78",
      "r221"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.",
        "label": "Stockholders' Equity Attributable to Parent",
        "periodEndLabel": "Equity, end of period",
        "periodStartLabel": "Equity, beginning of period",
        "totalLabel": "Total shareholders\u2019 equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "terseLabel": "Stockholders' Equity Attributable to Parent [Abstract]"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r344",
      "r345",
      "r362"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.",
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest",
        "periodEndLabel": "Equity, end of period",
        "periodStartLabel": "Equity, beginning of period",
        "totalLabel": "Total equity"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.sempra.com/role/OtherFinancialDataShareholdersEquityAndNoncontrollingInterestDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]",
        "terseLabel": "Equity:"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event [Member]",
        "terseLabel": "Subsequent Event [Member]"
       }
      }
     },
     "localname": "SubsequentEventMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r460"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Axis]",
        "terseLabel": "Subsequent Event Type [Axis]"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r460"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Domain]",
        "terseLabel": "Subsequent Event Type [Domain]"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails",
      "http://www.sempra.com/role/CommitmentsAndContingenciesOtherLitigationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TaxesOther": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 17.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of tax expense classified as other.",
        "label": "Taxes, Other",
        "negatedLabel": "Franchise fees and other taxes"
       }
      }
     },
     "localname": "TaxesOther",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TypeOfAdoptionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.",
        "label": "Type of Adoption [Domain]",
        "terseLabel": "Type of Adoption [Domain]"
       }
      }
     },
     "localname": "TypeOfAdoptionMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/NewAccountingStandardsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USStatesAndPoliticalSubdivisionsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Bonds or similar securities issued by state, city, or local US governments or the agencies operated by state, city, or local governments. Debt securities issued by state governments may include bond issuances of US state authorities including, for example, but not limited to, housing authorities, dormitory authorities, and general obligations while debt securities issued by political subdivisions of US states would include, for example, debt issuances by county, borough, city, or municipal governments.",
        "label": "US States and Political Subdivisions Debt Securities [Member]",
        "terseLabel": "Municipal bonds [Member]"
       }
      }
     },
     "localname": "USStatesAndPoliticalSubdivisionsMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USTreasuryAndGovernmentMember": {
     "auth_ref": [
      "r477"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This category includes investments in debt securities issued by the United States Department of the Treasury, US Government Agencies and US Government-sponsored Enterprises. Such securities may include treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years), debt securities issued by the Government National Mortgage Association (Ginnie Mae) and debt securities issued by the Federal National Mortgage Association (Fannie Mae) or the Federal Home Loan Mortgage Corporation (Freddie Mac).",
        "label": "US Treasury and Government [Member]",
        "terseLabel": "U.S. government corporations and agencies [Member]"
       }
      }
     },
     "localname": "USTreasuryAndGovernmentMember",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/SanOnofreNuclearGeneratingStationSongsNuclearDecommissioningTrustsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnrealizedGainLossOnDerivatives": {
     "auth_ref": [
      "r156"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.",
        "label": "Unrealized Gain (Loss) on Derivatives",
        "verboseLabel": "Gains on interest rate and foreign exchange instruments, net"
       }
      }
     },
     "localname": "UnrealizedGainLossOnDerivatives",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataOtherIncomeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Unrecorded Unconditional Purchase Obligation [Line Items]",
        "terseLabel": "Unrecorded Unconditional Purchase Obligation [Line Items]"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationTable": {
     "auth_ref": [
      "r268",
      "r269"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Describes each unrecorded unconditional purchase obligation arrangement to purchase goods and services that extend over multiple periods, any assets pledged to secure payment, and the fixed or determinable amount of payments due in each of the next five years and thereafter.",
        "label": "Unrecorded Unconditional Purchase Obligation [Table]",
        "terseLabel": "Unrecorded Unconditional Purchase Obligation [Table]"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationTable",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesContractualCommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_UnregulatedOperatingRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_RegulatedAndUnregulatedOperatingRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of unregulated operating revenues recognized during the period.",
        "label": "Unregulated Operating Revenue",
        "terseLabel": "Revenues: Energy-Related Businesses",
        "verboseLabel": "Energy-related businesses"
       }
      }
     },
     "localname": "UnregulatedOperatingRevenue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataReclassificationFromAccumulatedOtherComprehensiveIncomeDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilitiesOperatingExpense": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating expense of regulated operation.",
        "label": "Utilities Operating Expense",
        "totalLabel": "Total operating expenses"
       }
      }
     },
     "localname": "UtilitiesOperatingExpense",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilitiesOperatingExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Utilities Operating Expense [Abstract]",
        "terseLabel": "Operating expenses"
       }
      }
     },
     "localname": "UtilitiesOperatingExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating expense for depreciation and amortization of regulated operation.",
        "label": "Utilities Operating Expense, Depreciation and Amortization",
        "terseLabel": "Depreciation and amortization",
        "verboseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "UtilitiesOperatingExpenseDepreciationAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating expense for purchased gas and petroleum of regulated operation.",
        "label": "Utilities Operating Expense, Gas and Petroleum Purchased",
        "terseLabel": "Cost of natural gas"
       }
      }
     },
     "localname": "UtilitiesOperatingExpenseGasAndPetroleumPurchased",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      },
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation.",
        "label": "Utilities Operating Expense, Maintenance and Operations",
        "terseLabel": "Operation and maintenance"
       }
      }
     },
     "localname": "UtilitiesOperatingExpenseMaintenanceAndOperations",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilitiesOperatingExpensePurchasedPower": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 8.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating expense for purchased power of regulated operation.",
        "label": "Utilities Operating Expense, Purchased Power",
        "terseLabel": "Cost of electric fuel and purchased power"
       }
      }
     },
     "localname": "UtilitiesOperatingExpensePurchasedPower",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilitiesOperatingExpenseTaxes": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating expense for taxes other than income taxes of regulated operation.",
        "label": "Utilities Operating Expense, Taxes",
        "terseLabel": "Franchise fees and other taxes"
       }
      }
     },
     "localname": "UtilitiesOperatingExpenseTaxes",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilityRevenue": {
     "auth_ref": [
      "r128"
     ],
     "calculation": {
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of revenues for public and other utilities generated by the sale of electricity, water, gas, and other services.",
        "label": "Electric and Gas Revenue",
        "totalLabel": "Total operating revenues"
       }
      }
     },
     "localname": "UtilityRevenue",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UtilityRevenueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Electric and Gas Revenue [Abstract]",
        "terseLabel": "Operating revenues"
       }
      }
     },
     "localname": "UtilityRevenueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ValuationAllowancesAndReservesDomain": {
     "auth_ref": [
      "r178"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entity's valuation, qualifying and reserve accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.",
        "label": "Valuation Allowances and Reserves [Domain]",
        "terseLabel": "Valuation Allowances and Reserves [Domain]"
       }
      }
     },
     "localname": "ValuationAllowancesAndReservesDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ValuationAllowancesAndReservesTypeAxis": {
     "auth_ref": [
      "r178"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of valuation and reserve accounts.",
        "label": "Valuation Allowances and Reserves Type [Axis]",
        "terseLabel": "Valuation Allowances and Reserves Type [Axis]"
       }
      }
     },
     "localname": "ValuationAllowancesAndReservesTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CommitmentsAndContingenciesLegalProceedingsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis": {
     "auth_ref": [
      "r355",
      "r357",
      "r360"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by category of Variable Interest Entity (VIE).",
        "label": "Variable Interest Entities [Axis]",
        "terseLabel": "Variable Interest Entities [Axis]"
       }
      }
     },
     "localname": "VariableInterestEntitiesByClassificationOfEntityAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedBalanceSheetsParentheticals",
      "http://www.sempra.com/role/FairValueMeasurementsFinancialInstrumentsDetails",
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net carrying amount of the consolidated Variable Interest Entity's assets and liabilities included in the reporting entity's statement of financial position.",
        "label": "Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net",
        "terseLabel": "Equity of variable interest entity"
       }
      }
     },
     "localname": "VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Variable Interest Entity [Line Items]",
        "terseLabel": "Variable Interest Entities [Line Items]"
       }
      }
     },
     "localname": "VariableInterestEntityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntityMeasureOfActivityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Variable Interest Entity, Measure of Activity [Abstract]"
       }
      }
     },
     "localname": "VariableInterestEntityMeasureOfActivityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataVariableInterestEntitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate [Axis]"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate [Domain]"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/OtherFinancialDataDueToDueFromAffiliatesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r188",
      "r191"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Weighted-average number of shares outstanding, diluted",
        "totalLabel": "Weighted-average common shares outstanding for diluted EPS (in shares)",
        "verboseLabel": "Increase in weighted-average common shares outstanding for diluted EPS (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/NewAccountingStandardsDetails",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r34",
      "r186",
      "r191"
     ],
     "calculation": {
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Weighted-average number of shares outstanding, basic",
        "verboseLabel": "Weighted-average common shares outstanding for basic EPS (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2016-01-31",
     "presentation": [
      "http://www.sempra.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.sempra.com/role/OtherFinancialDataEarningsPerShareEpsDetails"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 15
  }
 },
 "std_ref": {
  "r0": {
   "Glossary": "Accounting Change",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6503790"
  },
  "r1": {
   "Glossary": "Allowance for Funds Used during Construction",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6504829"
  },
  "r10": {
   "Glossary": "Current Liabilities",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6509677"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.26(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3(a)(2))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3(a)(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3,4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.9)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r11": {
   "Glossary": "Defined Benefit Plan",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=49172387"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a),(b),(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a-c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(i),(j),(k)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(i-k)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580"
  },
  "r12": {
   "Glossary": "Diluted Earnings Per Share",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6510752"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669619-108580"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004124&loc=SL7669625-108580"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=66004921&loc=d3e1436-108581"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(12))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1(b))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1(e))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r13": {
   "Glossary": "Direct Effects of a Change in Accounting Principle",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=66092750"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.19)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2(b))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.3)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7(b))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7(c),9(a))",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.9)",
   "Topic": "225",
   "URI": "http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585"
  },
  "r14": {
   "Glossary": "Disposal Group",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=51717262"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585"
  },
  "r15": {
   "Glossary": "Expected Return on Plan Assets",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6512171"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3337-108585"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "26",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3095-108585"
  },
  "r16": {
   "Glossary": "Financing Activities",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6513228"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=68058157&loc=d3e18726-107790"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=68058157&loc=d3e18780-107790"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(k)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(k))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r17": {
   "Glossary": "Income Tax Expense (or Benefit)",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6515339"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(b))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h)(1)(i))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h)(2))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(k)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(n)(2))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(n))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794"
  },
  "r18": {
   "Glossary": "Indirect Effects of a Change in Accounting Principle",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6515603"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=64853466&loc=d3e22580-107794"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=64853466&loc=d3e22583-107794"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=64853466&loc=d3e22644-107794"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=64853466&loc=d3e22658-107794"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=64853466&loc=d3e22663-107794"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "255",
   "URI": "http://asc.fasb.org/extlink&oid=66903677&loc=d3e2408-110839"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=64863997&loc=d3e1448-109256"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=64863997&loc=d3e1377-109256"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=64863997&loc=d3e1505-109256"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256"
  },
  "r19": {
   "Glossary": "Investing Activities",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6516133"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=64863997&loc=d3e1500-109256"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.10-01.(b)(6))",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(a)(5)",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699"
  },
  "r2": {
   "Glossary": "Antidilution",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6505113"
  },
  "r20": {
   "Glossary": "Level 1 Inputs",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=51652821"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "26",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599"
  },
  "r21": {
   "Glossary": "Level 2 Inputs",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=51652837"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "34",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e8475-108599"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599"
  },
  "r22": {
   "Glossary": "Level 3 Inputs",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=51652851"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "42",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
  },
  "r222": {
   "Glossary": "Debt Security",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=6509901"
  },
  "r223": {
   "Glossary": "Equity Security",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=6511694"
  },
  "r224": {
   "Glossary": "Security",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=6524771"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "15",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=65890776&loc=d3e20906-111557"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27405-111563"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563"
  },
  "r23": {
   "Glossary": "Management",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6517382"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27198-111563"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(aa)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27340-111563"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)-(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)-(e)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563"
  },
  "r24": {
   "Glossary": "Market-Corroborated Inputs",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6517519"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=66022186&loc=d3e32014-111567"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=64825282&loc=d3e32787-111569"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=64825282&loc=d3e32847-111569"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(b)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=68049868&loc=d3e3927-108312"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "10",
   "Topic": "340",
   "URI": "http://asc.fasb.org/extlink&oid=68074540&loc=d3e5879-108316"
  },
  "r25": {
   "Glossary": "Net Income",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=51831255"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "((a)(1),(b))",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=68055307&loc=d3e2510-110228"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=68055307&loc=d3e2599-110228"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=68055307&loc=d3e2473-110228"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r26": {
   "Glossary": "Notional Amount",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6519104"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=64862545&loc=SL51724579-110230"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "410",
   "URI": "http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "410",
   "URI": "http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=73718637&loc=d3e25287-109308"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308"
  },
  "r27": {
   "Glossary": "Other Comprehensive Income",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=51831270"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14615-108349"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14394-108349"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14453-108349"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14472-108349"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=6396582&loc=d3e14981-108350"
  },
  "r28": {
   "Glossary": "Principal Owners",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6521851"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "20",
   "Subparagraph": "(SAB TOPIC 5.Y.Q2)",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "20",
   "Subparagraph": "(SAB Topic 5.Y.Q4)",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=27011672&loc=d3e149975-122751"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=28361426&loc=SL5988623-112600"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601"
  },
  "r29": {
   "Glossary": "Prior Service Cost",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=49177896"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 4.F)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409836&loc=d3e19833-108362"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367"
  },
  "r3": {
   "Glossary": "Available-for-Sale Securities",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6505594"
  },
  "r30": {
   "Glossary": "Related Parties",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=16382449"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409961&loc=d3e20517-108367"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=64852052&loc=d3e1703-114919"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(1)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(2)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(5)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(5)(iv)(01)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)(1)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r31": {
   "Glossary": "Retrospective Application",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6523989"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)(2)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)(3)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)(4)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(i),(j)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(j)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e2410-114920"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e2417-114920"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e2439-114920"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65897934&loc=d3e2709-114920"
  },
  "r32": {
   "Glossary": "Service Cost (Component of Net Periodic Pension Cost)",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6525008"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=73719040&loc=d3e4179-114921"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "63",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "30",
   "Subparagraph": "B",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=64937038&loc=d3e12551-114930"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "123",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "60",
   "Subparagraph": "B",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=64937487&loc=d3e36068-114959"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "70",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=66904339&loc=d3e4534-113899"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901"
  },
  "r33": {
   "Glossary": "Variable Interest Entity",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6528138"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=65896087&loc=d3e11149-113907"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=65896087&loc=d3e11178-113907"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=65896087&loc=d3e11374-113907"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "27",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=75116654&loc=d3e32262-109318"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=75116654&loc=d3e31917-109318"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=75116654&loc=d3e31931-109318"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=75116654&loc=d3e31958-109318"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319"
  },
  "r34": {
   "Glossary": "Weighted-Average Number of Common Shares Outstanding",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6528421"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65882285&loc=d3e32809-109319"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65896914&loc=d3e39076-109324"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=68079674&loc=SL4568447-111683"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=68079674&loc=SL4568740-111683"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=68079674&loc=SL4569643-111683"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64809438&loc=d3e5614-111684"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=35735333&loc=d3e288-107754"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2AA",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "a",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=SL6759068-111685"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=d3e5710-111685"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=SL6759159-111685"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=SL6759159-111685"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=d3e5747-111685"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=64801991&loc=SL6228884-111685"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4I",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=65897068&loc=SL4590271-111686"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=65897068&loc=SL4591552-111686"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5579240-113959"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-04.(c) Schedule III)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)(i)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41620-113959"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)(ii)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41620-113959"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41620-113959"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41638-113959"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=65878427&loc=d3e1107-107759"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(c),(d),(e)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959"
  },
  "r385": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959"
  },
  "r386": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959"
  },
  "r387": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959"
  },
  "r388": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624181-113959"
  },
  "r389": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624186-113959"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759"
  },
  "r390": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624186-113959"
  },
  "r391": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624258-113959"
  },
  "r392": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624258-113959"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5624258-113959"
  },
  "r394": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5708773-113959"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=SL5708775-113959"
  },
  "r396": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41641-113959"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41675-113959"
  },
  "r398": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=64837297&loc=d3e41678-113959"
  },
  "r399": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=68066869&loc=SL5629052-113961"
  },
  "r4": {
   "Glossary": "Cash",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6506951"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760"
  },
  "r400": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "25",
   "Subparagraph": "(a)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986"
  },
  "r401": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "25",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986"
  },
  "r402": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993"
  },
  "r403": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994"
  },
  "r404": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994"
  },
  "r405": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994"
  },
  "r406": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=35736893&loc=d3e80784-113994"
  },
  "r407": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "48",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=65894324&loc=d3e18349-110257"
  },
  "r408": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258"
  },
  "r409": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=d3e1474-107760"
  },
  "r410": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r411": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r412": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r413": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r414": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r415": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r416": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r417": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258"
  },
  "r418": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=SL7498348-110258"
  },
  "r419": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760"
  },
  "r420": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258"
  },
  "r421": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=66048111&loc=SL6742756-110258"
  },
  "r422": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=6447952&loc=d3e13217-108610"
  },
  "r423": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610"
  },
  "r424": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611"
  },
  "r425": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611"
  },
  "r426": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13467-108611"
  },
  "r427": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611"
  },
  "r428": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611"
  },
  "r429": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13504-108611"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721663-107760"
  },
  "r430": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611"
  },
  "r431": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612"
  },
  "r432": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612"
  },
  "r433": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612"
  },
  "r434": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621"
  },
  "r435": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=64836518&loc=d3e30690-110894"
  },
  "r436": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=64836518&loc=d3e30700-110894"
  },
  "r437": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895"
  },
  "r438": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=49171198&loc=d3e33268-110906"
  },
  "r439": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=64808268&loc=d3e32022-110900"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721665-107760"
  },
  "r440": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=64808268&loc=d3e32157-110900"
  },
  "r441": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900"
  },
  "r442": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
  },
  "r443": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r444": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r445": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399"
  },
  "r446": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399"
  },
  "r447": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399"
  },
  "r448": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400"
  },
  "r449": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721671-107760"
  },
  "r450": {
   "Glossary": "Affiliate",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6504562"
  },
  "r451": {
   "Glossary": "Control",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6508935"
  },
  "r452": {
   "Glossary": "Immediate Family",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6515043"
  },
  "r453": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r454": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r455": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864"
  },
  "r456": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r457": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864"
  },
  "r458": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864"
  },
  "r459": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760"
  },
  "r460": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r461": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=64830801&loc=SL51823488-111719"
  },
  "r462": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "405",
   "Topic": "910",
   "URI": "http://asc.fasb.org/extlink&oid=68049106&loc=d3e50628-109371"
  },
  "r463": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447"
  },
  "r464": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "320",
   "Topic": "940",
   "URI": "http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969"
  },
  "r465": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "820",
   "Topic": "940",
   "URI": "http://asc.fasb.org/extlink&oid=35710923&loc=d3e45360-110995"
  },
  "r466": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10)(3))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r467": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r468": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r469": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(15)(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760"
  },
  "r470": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(15)(5))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r471": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r472": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r473": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r474": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(6))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r475": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.10)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r476": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r477": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.6(a)(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r478": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04(13)(f))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r479": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721675-107760"
  },
  "r480": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r481": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882"
  },
  "r482": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803"
  },
  "r483": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803"
  },
  "r484": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "405",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817"
  },
  "r485": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823"
  },
  "r486": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r487": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(3))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r488": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(1)(b))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r489": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721677-107760"
  },
  "r490": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(15)(5))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r491": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(15)(b)(1))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r492": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r493": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r494": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r495": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r496": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r497": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r498": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.5(c))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r499": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-03(24))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r5": {
   "Glossary": "Cash Equivalents",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6507016"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=64827811&loc=SL51721683-107760"
  },
  "r500": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-04(10))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r501": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r502": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913"
  },
  "r503": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.6-04(12)(b)(3))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996"
  },
  "r504": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.6-06(3)(a)(3))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=6488278&loc=d3e604059-122996"
  },
  "r505": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "225",
   "Subparagraph": "(SX 210.6-07.1(c))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999"
  },
  "r506": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-14(2))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010"
  },
  "r507": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-14(3))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010"
  },
  "r508": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-14(Column E))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010"
  },
  "r509": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765"
  },
  "r510": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28)",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r511": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "340",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6499739&loc=d3e43603-110378"
  },
  "r512": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "340",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382"
  },
  "r513": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "340",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6499975&loc=d3e44264-110382"
  },
  "r514": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SAB TOPIC 10.C)",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6500719&loc=d3e659983-123033"
  },
  "r515": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SAB Topic 10.C)",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6500719&loc=d3e659983-123033"
  },
  "r516": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "405",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394"
  },
  "r517": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "410",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6500910&loc=d3e48636-110399"
  },
  "r518": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "715",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6501251&loc=d3e52485-110419"
  },
  "r519": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "740",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6501382&loc=d3e54053-110423"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765"
  },
  "r520": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "740",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6501382&loc=d3e54136-110423"
  },
  "r521": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "835",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430"
  },
  "r522": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "835",
   "Topic": "980",
   "URI": "http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433"
  },
  "r523": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12b",
   "Subsection": "1"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6787-107765"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6801-107765"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6904-107765"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6911-107765"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765"
  },
  "r6": {
   "Glossary": "Change in Accounting Principle",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6507316"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=28358313&loc=d3e7018-107765"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(11))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(12))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(13))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(14))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19)(a)(5))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19)(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(2))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r7": {
   "Glossary": "Contingent Stock Agreement",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6508534"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(24))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r8": {
   "Glossary": "Corporate Joint Venture",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6831744"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(c))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.12)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.13)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.14)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r9": {
   "Glossary": "Current Assets",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "http://asc.fasb.org/extlink&oid=6509628"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19,20,22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.2)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.20)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.21)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  }
 },
 "version": "2.0"
}
