1.0.0.3 true CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) Share data in Millions false 1 $ true false false false Sempra Energy Consolidated dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 2 $ true false false false Sempra Energy Consolidated dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 1 Sempra Energy Consolidated 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 2 Preferred Stock, Shares Authorized 2 us-gaap_PreferredStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 50000000 50 false false 2 false true 50000000 50 false false No definition available. No authoritative reference available. false 3 Preferred Stock, Shares Issued 2 us-gaap_PreferredStockSharesIssued us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 4 Common Stock, Shares Authorized 2 us-gaap_CommonStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 750000000 750 false false 2 false true 750000000 750 false false No definition available. No authoritative reference available. false 5 Common Stock, Shares, Outstanding 2 us-gaap_CommonStockSharesOutstanding us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 243000000 243 false false No definition available. No authoritative reference available. false 6 San Diego Gas and Electric Company and Subsidiary 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 9 Common Stock, Shares Authorized 2 us-gaap_CommonStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 255000000 255 false false 2 false true 255000000 255 false false No definition available. No authoritative reference available. false 10 Common Stock, Shares, Outstanding 2 us-gaap_CommonStockSharesOutstanding us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 117000000 117 false false 2 false true 117000000 117 false false No definition available. No authoritative reference available. false 11 Pacific Enterprises and Subsidiaries 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 14 Common Stock, Shares Authorized 2 us-gaap_CommonStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 600000000 600 false false 2 false true 600000000 600 false false No definition available. No authoritative reference available. false 15 Common Stock, Shares, Outstanding 2 us-gaap_CommonStockSharesOutstanding us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 84000000 84 false false 2 false true 84000000 84 false false No definition available. No authoritative reference available. false 16 Southern California Gas Company and Subsidiaries 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 19 Common Stock, Shares Authorized 2 us-gaap_CommonStockSharesAuthorized us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 100000000 100 false false 2 false true 100000000 100 false false No definition available. No authoritative reference available. false 20 Common Stock, Shares, Outstanding 2 us-gaap_CommonStockSharesOutstanding us-gaap true na instant shares No definition available. false false false false false false false false false 1 false true 91000000 91 false false 2 false true 91000000 91 false false No definition available. No authoritative reference available. false false 2 14 false UnKnown Millions UnKnown false true