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