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DEBT AND CREDIT FACILITIES (Details) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Line Of Credit Facility, Sempra Energy Consolidated [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity $ 4,100,000,000  
Committed lines of credit, remaining borrowing capacity 2,400,000,000  
Weighted average interest rate on total short-term debt outstanding 0.58% 0.64%
Line Of Credit Facility, Sempra Energy [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 1,067,000,000  
Committed lines of credit, maximum ratio of indebtedness to total capitalization 65.00%  
Committed lines of credit, capacity for issuance of letters of credit 635,000,000  
Other instruments supported by committed lines of credit 6,000,000  
Line Of Credit Facility, Sempra Global [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 2,189,000,000  
Committed lines of credit, maximum ratio of indebtedness to total capitalization 65.00%  
Outstanding commercial paper supported by committed lines of credit 1,300,000,000  
Commercial paper noncurrent 300,000,000 200,000,000
Line Of Credit Facility, S D G E [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 658,000,000  
Committed lines of credit, maximum ratio of indebtedness to total capitalization 65.00%  
Committed lines of credit, remaining borrowing capacity 431,000,000  
Outstanding commercial paper supported by committed lines of credit 227,000,000  
Weighted average interest rate on total short-term debt outstanding 0.16% 0.13%
Commercial paper noncurrent 100,000,000  
Weighted Average Interest Rate On Commercial Paper, Noncurrent 0.40%  
Line Of Credit Facility, So Cal Gas [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 658,000,000  
Committed lines of credit, maximum ratio of indebtedness to total capitalization 65.00%  
Committed lines of credit, remaining borrowing capacity 577,000,000  
Outstanding commercial paper supported by committed lines of credit 73,000,000  
Weighted average interest rate on total short-term debt outstanding 0.16% 0.13%
Line Of Credit Facility, California Utilities Combined [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 877,000,000  
Committed lines of credit, capacity for issuance of letters of credit 300,000,000  
Line Of Credit Facility South American Utilities And Mexico [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 781,000,000  
Committed lines of credit, remaining borrowing capacity 683,000,000  
Line Of Credit Facility IEnova [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 200,000,000  
Line Of Credit Facility Energia Sierra Juarez [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 31,700,000  
Line Of Credit Facility Energia Sierra Juarez Value Added Tax [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity 35,000,000  
Line Of Credit Facility, Copper Mountain Solar 3 [Member]
   
Line of Credit Facility [Line Items]    
Committed lines of credit, maximum borrowing capacity $ 72,000,000