2.4.0.8010300 - Disclosure - RECENT INVESTMENT ACTIVITYtruefalsefalse1false falsefalseFROM_Apr01_2013_TO_Jun30_2013http://www.sec.gov/CIK0001032208duration2013-04-01T00:00:002013-06-30T00:00:001true 1sre_NotesToConsolidatedFinancialStatementsAbstractsre_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Notes to Consolidated Financial Statements [Abstract]2false 2sre_RecentInvestmentActivityTextBlocksre_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<p style='margin-top:24pt; margin-bottom:6pt'><font style="font-family:Arial;font-size:11pt;margin-left:0px;">NOTE 3. </font><font style="font-family:Arial;font-size:11pt;">ACQUISITION AND </font><font style="font-family:Arial;font-size:11pt;">DIVESTITURE</font><font style="font-family:Arial;font-size:11pt;"> ACTIVITY</font></p><p style='margin-top:0pt; margin-bottom:6pt'><font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;">We discu</font><font style="font-family:Times New Roman;font-size:10pt;">ss our investments in unconsolidated entities</font><font style="font-family:Times New Roman;font-size:10pt;"> in Note 4</font><font style="font-family:Times New Roman;font-size:10pt;">.</font></p><p style='margin-top: 0pt; margin-bottom: 0pt;'></p><p style='margin-top:21pt; margin-bottom:6pt'><font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;">SEMPRA NATURAL GAS</font></p><p style='margin-top:12pt; margin-bottom:3pt'><font style="font-family:Times New Roman;font-size:11pt;font-weight:bold;font-style:italic;margin-left:0px;">Mesquite Power Sale</font></p><p style='margin-top:0pt; margin-bottom:6pt'><font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;">In February 2013, Sempra Natural Gas sold one 625-megawatt (MW) block of its 1,250-MW Mesquite Power natural gas-fired power plant in Arizona</font><font style="font-family:Times New Roman;font-size:10pt;">, including a portion </font><font style="font-family:Times New Roman;font-size:10pt;">related to</font><font style="font-family:Times New Roman;font-size:10pt;"> common plant,</font><font style="font-family:Times New Roman;font-size:10pt;"> for approximately $371 million in cash to the Salt River Project Agricultura</font><font style="font-family:Times New Roman;font-size:10pt;">l Improvement and Power District</font><font style="font-family:Times New Roman;font-size:10pt;"> (SRP)</font><font style="font-family:Times New Roman;font-size:10pt;">. The asset was classified as held for sale at December 31, 2012 and we recognized a </font><font style="font-family:Times New Roman;font-size:10pt;">pre</font><font style="font-family:Times New Roman;font-size:10pt;">tax </font><font style="font-family:Times New Roman;font-size:10pt;">gain on</font><font style="font-family:Times New Roman;font-size:10pt;"> the</font><font style="font-family:Times New Roman;font-size:10pt;"> sale of $</font><font style="font-family:Times New Roman;font-size:10pt;">7</font><font style="font-family:Times New Roman;font-size:10pt;">4 million</font><font style="font-family:Times New Roman;font-size:10pt;"> </font><font style="font-family:Times New Roman;font-size:10pt;">($44 million after-tax) </font><font style="font-family:Times New Roman;font-size:10pt;">in 2013</font><font style="font-family:Times New Roman;font-size:10pt;">.</font><font style="font-family:Times New Roman;font-size:10pt;"> </font><font style="font-family:Times New Roman;font-size:10pt;">In connection with the sale, we entered into a 20-year operations and maintenance agreement with SRP on February 28, 2013, whereby SRP assumes plant operations</font><font style="font-family:Times New Roman;font-size:10pt;"> and maintenance of the facility</font><font style="font-family:Times New Roman;font-size:10pt;">, including our </font><font style="font-family:Times New Roman;font-size:10pt;">remaining </font><font style="font-family:Times New Roman;font-size:10pt;">625-MW</font><font style="font-family:Times New Roman;font-size:10pt;"> </font><font style="font-family:Times New Roman;font-size:10pt;">block.</font><font style="font-family:Times New Roman;font-size:10pt;"> We provide additional information concerning the operations and maintenance agreement in Note 10.</font></p><p style='margin-top:12pt; margin-bottom:3pt'><font style="font-family:Times New Roman;font-size:11pt;font-weight:bold;font-style:italic;margin-left:0px;">Willmut</font><font style="font-family:Times New Roman;font-size:11pt;font-weight:bold;font-style:italic;"> Gas Company</font></p><p style='margin-top:0pt; margin-bottom:6pt'><font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;">In May 2012, Sempra Natural Gas acquired </font><font style="font-family:Times New Roman;font-size:10pt;">100 percent of the outstanding common stock of </font><font style="font-family:Times New Roman;font-size:10pt;">Willmut</font><font style="font-family:Times New Roman;font-size:10pt;"> Gas, a regulated natural gas distribution utility </font><font style="font-family:Times New Roman;font-size:10pt;">serving approximately 20,000 customers</font><font style="font-family:Times New Roman;font-size:10pt;"> in Hattiesburg, Mississippi, for $19 million in cash and the assumption of </font><font style="font-family:Times New Roman;font-size:10pt;">$10</font><font style="font-family:Times New Roman;font-size:10pt;"> million of liabilities</font><font style="font-family:Times New Roman;font-size:10pt;">. </font><font style="font-family:Times New Roman;font-size:10pt;">Pro forma impacts on revenues and earnings for Sempra Energy had the acquisition occurred on January 1, 2011 were additional revenues of $</font><font style="font-family:Times New Roman;font-size:10pt;">7</font><font style="font-family:Times New Roman;font-size:10pt;"> million and </font><font style="font-family:Times New Roman;font-size:10pt;">negligible</font><font style="font-family:Times New Roman;font-size:10pt;"> earnings for the </font><font style="font-family:Times New Roman;font-size:10pt;">six</font><font style="font-family:Times New Roman;font-size:10pt;"> months ended </font><font style="font-family:Times New Roman;font-size:10pt;">June</font><font style="font-family:Times New Roman;font-size:10pt;"> </font><font style="font-family:Times New Roman;font-size:10pt;">30</font><font style="font-family:Times New Roman;font-size:10pt;">, 2012</font><font style="font-family:Times New Roman;font-size:10pt;"> and additional revenues of $</font><font style="font-family:Times New Roman;font-size:10pt;">1</font><font style="font-family:Times New Roman;font-size:10pt;"> million and negligible earnings for the three months ended June 30, 2012.</font></p>falsefalsefalsenonnum:textBlockItemTypenaNo authoritative reference available.No definition available.false0Recent Investment ActivityfalseRECENT INVESTMENT ACTIVITYUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.sempra.com/role/DisclosureRECENTINVESTMENTACTIVITY12