v2.4.0.8
DOCUMENT AND ENTITY INFORMATION (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Feb. 21, 2014
Jun. 30, 2013
Document and Entity Information [Abstract]      
Entity Registrant Name Sempra Energy    
Entity Central Index Key 0001032208    
Document Type 10-K    
Document Period End Date Dec. 31, 2013    
Amendment Flag false    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Well Known Seasoned Issuer Yes    
Entity Filer Category Large Accelerated Filer    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 19,900
Entity Common Shares Outstanding   245,089,822