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DEBT AND CREDIT FACILITIES 7 (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
San Diego Gas and Electric Company and Subsidiary [Member]
  
First Mortgage Bonds [Line Items]  
First Mortgage Bonds, Amount Available For Future Issuance $ 3,800
Southern California Gas Company [Member]
  
First Mortgage Bonds [Line Items]  
First Mortgage Bonds, Amount Available For Future Issuance $ 1,060