v2.4.0.6
DOCUMENT AND ENTITY INFORMATION
3 Months Ended
Sep. 30, 2012
Document and Entity Information [Abstract]  
Entity Registrant Name Sempra Energy
Document Type 10-Q
Document Period End Date Sep. 30, 2012
Amendment Flag false
Document Fiscal Year Focus 2012
Document Fiscal Period Focus Q3
Current Fiscal Year End Date --12-31
Entity Filer Category Large Accelerated Filer
Entity Common Shares Outstanding 241,851,686
Entity Central Index Key 0001032208