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DERIVATIVE FINANCIAL INSTRUMENTS (Tables)
3 Months Ended
Sep. 30, 2012
Derivative Financial Instruments (Tables) [Abstract]  
Commodity Derivative Volumes Table
      
Segment and CommoditySeptember 30, 2012December 31, 2011 
California Utilities:   
SDG&E:   
Natural gas23 million MMBtu35 million MMBtu(1)
Congestion revenue rights18 million MWh19 million MWh(2)
      
Energy-Related Businesses:   
Sempra Natural Gas:   
Electric power2 million MWh5 million MWh 
Natural gas32 million MMBtu20 million MMBtu 
Sempra Mexico - natural gas1 million MMBtu1 million MMBtu 
(1)Million British thermal units  
(2)Megawatt hours  
Notional Amounts of Interest Rate Derivatives Table
  September 30, 2012December 31, 2011
(Dollars in millions)Notional DebtMaturitiesNotional DebtMaturities
Sempra Energy Consolidated(1)$6-3692013-2028$15-3052013-2019
SDG&E(1) 285-3472019 285-3552019
(1)Includes Otay Mesa VIE. All of SDG&E’s interest rate derivatives relate to Otay Mesa VIE.
Derivative Instruments on the Condensed Consolidated Balance Sheets Table
DERIVATIVE INSTRUMENTS ON THE CONDENSED CONSOLIDATED BALANCE SHEETS
(Dollars in millions)
  September 30, 2012
         Deferred
         credits
   Current   Current and other
   assets:   liabilities: liabilities:
   Fixed-price Investments Fixed-price Fixed-price
   contracts and other contracts contracts
   and other assets: and other and other
Derivatives designated as hedging instruments  derivatives(1) Sundry derivatives(2) derivatives
Sempra Energy Consolidated:        
Interest rate instruments(3)$ 6$ 15$ (20)$ (69)
Commodity contracts not subject to rate recovery    (3) 
Total$ 6$ 15$ (23)$ (69)
SDG&E:        
Interest rate instruments(3)$$$ (17)$ (68)
          
Derivatives not designated as hedging instruments        
Sempra Energy Consolidated:        
Interest rate and foreign exchange instruments$ 8$ 43$ (8)$ (38)
Commodity contracts not subject to rate recovery  119  19  (131)  (31)
Associated offsetting commodity contracts  (111)  (15)  111  15
Commodity contracts subject to rate recovery  9  20  (39)  (7)
Associated offsetting commodity contracts  (5)  (1)  5  1
Total$ 20$ 66$ (62)$ (60)
SDG&E:        
Commodity contracts subject to rate recovery$ 7$ 20$ (37)$ (7)
Associated offsetting commodity contracts  (4)  (1)  4  1
Total$ 3$ 19$ (33)$ (6)
SoCalGas:        
Commodity contracts subject to rate recovery$ 2$$ (2)$
Associated offsetting commodity contracts  (1)   1 
Total$ 1$$ (1)$
(1)Included in Current Assets: Other for SoCalGas.        
(2)Included in Current Liabilities: Other for SoCalGas.        
(3)Includes Otay Mesa VIE. All of SDG&E’s amounts relate to Otay Mesa VIE.
          
DERIVATIVE INSTRUMENTS ON THE CONDENSED CONSOLIDATED BALANCE SHEETS
(Dollars in millions)
  December 31, 2011
         Deferred
         credits
   Current   Current and other
   assets:   liabilities: liabilities:
   Fixed-price Investments Fixed-price Fixed-price
   contracts and other contracts contracts
   and other assets: and other and other
Derivatives designated as hedging instruments  derivatives(1) Sundry derivatives(2) derivatives
Sempra Energy Consolidated:        
Interest rate instruments(3)$ 5$ 11$ (17)$ (65)
SDG&E:        
Interest rate instruments(3)$$$ (16)$ (65)
          
Derivatives not designated as hedging instruments        
Sempra Energy Consolidated:        
Interest rate instruments$ 8$ 41$ (7)$ (36)
Commodity contracts not subject to rate recovery  156  72  (148)  (94)
Associated offsetting commodity contracts  (120)  (68)  120  68
Commodity contracts subject to rate recovery  28  8  (62)  (24)
Associated offsetting commodity contracts  (10)  (2)  10  2
Total$ 62$ 51$ (87)$ (84)
SDG&E:        
Commodity contracts subject to rate recovery$ 22$ 8$ (55)$ (24)
Associated offsetting commodity contracts  (5)  (2)  5  2
Total$ 17$ 6$ (50)$ (22)
SoCalGas:        
Commodity contracts subject to rate recovery$ 6$$ (7)$
Associated offsetting commodity contracts  (5)   5 
Total$ 1$$ (2)$
(1)Included in Current Assets: Other for SoCalGas.        
(2)Included in Current Liabilities: Other for SoCalGas.        
(3)Includes Otay Mesa VIE. All of SDG&E’s amounts relate to Otay Mesa VIE.
Fair Value Hedge Impact on the Condensed Consolidated Statements of Operations Table
FAIR VALUE HEDGE IMPACT ON THE CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(Dollars in millions)    
   Gain on derivatives recognized in earningsGain (loss) on derivatives recognized in earnings
   Three months ended September 30,Nine months ended September 30,
 Location2012201120122011
Sempra Energy Consolidated:        
Interest rate instrumentsInterest Expense$ 1$ 2$ 5$ 7
Interest rate instrumentsOther Income, Net  4  13  6  16
Total(1) $ 5$ 15$ 11$ 23
SoCalGas:         
Interest rate instrumentInterest Expense$$$$ 1
Interest rate instrumentOther Income, Net     (3)
Total(1) $$$$ (2)
(1)There has been no hedge ineffectiveness on these swaps. Changes in the fair values of the interest rate swap agreements are exactly offset by changes in the fair value of the underlying long-term debt.
Cash Flow Hedge Impact on the Condensed Consolidated Statements of Operations Table
CASH FLOW HEDGE IMPACT ON THE CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(Dollars in millions)
  Pretax loss recognized  Gain (loss) reclassified from AOCI
  in OCI (effective portion)  into earnings (effective portion)
  Three months ended September 30,  Three months ended September 30,
 20122011 Location20122011
Sempra Energy Consolidated:          
Interest rate instruments(1)$ (6)$ (21) Interest Expense$ (3)$ 4
       Equity Losses,    
Interest rate instruments  (6)  (27)  Before Income Tax  (4)  (2)
Commodity contracts not subject     Cost of Natural Gas, Electric    
to rate recovery  (3)   Fuel and Purchased Power  
Total$ (15)$ (48)  $ (7)$ 2
SDG&E:          
Interest rate instruments(1)$ (6)$ (21) Interest Expense$ (2)$ 4
SoCalGas:          
Interest rate instruments$$ Interest Expense$ (1)$ (1)
  Nine months ended September 30,  Nine months ended September 30,
 20122011 Location20122011
Sempra Energy Consolidated:          
Interest rate instruments(1)$ (21)$ (32) Interest Expense$ (5)$
       Equity Losses,    
Interest rate instruments  (12)  (34)  Before Income Tax  (4)  (3)
Commodity contracts not subject     Cost of Natural Gas, Electric    
to rate recovery  (3)   Fuel and Purchased Power  
Total$ (36)$ (66)  $ (9)$ (3)
SDG&E:          
Interest rate instruments(1)$ (16)$ (32) Interest Expense$ (3)$ 2
SoCalGas:          
Interest rate instruments$$ Interest Expense$ (2)$ (3)
(1)Amounts include Otay Mesa VIE. All of SDG&E’s interest rate derivative activity relates to Otay Mesa VIE. There has been a negligible amount of ineffectiveness related to these swaps.
Undesignated Derivative Impact on the Condensed Consolidated Statements of Operations Table
UNDESIGNATED DERIVATIVE IMPACT ON THE CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(Dollars in millions)
   Gain (loss) on derivatives recognized in earnings
   Three months ended September 30,Nine months ended September 30,
 Location2012201120122011
Sempra Energy Consolidated:         
Interest rate and foreign exchange         
instrumentsOther Income, Net$ 1$ (26)$ 11$ (14)
Commodity contracts not subjectRevenues: Energy-Related        
to rate recovery Businesses  (5)  3  (3)  17
Commodity contracts not subjectCost of Natural Gas, Electric        
to rate recovery Fuel and Purchased Power     1
Commodity contracts not subject         
to rate recoveryOperation and Maintenance  1   1  1
Commodity contracts subjectCost of Electric Fuel        
to rate recovery and Purchased Power  41  (15)  32  (6)
Commodity contracts subject         
to rate recoveryCost of Natural Gas   (2)  (1)  (1)
Total $ 38$ (40)$ 40$ (2)
SDG&E:         
Commodity contracts not subject         
to rate recoveryOperation and Maintenance$$ (1)$$
Commodity contracts subjectCost of Electric Fuel        
to rate recovery and Purchased Power  41  (15)  32  (6)
Total $ 41$ (16)$ 32$ (6)
SoCalGas:         
Commodity contracts not subject         
to rate recoveryOperation and Maintenance$ 1$ (1)$ 1$
Commodity contracts subject         
to rate recoveryCost of Natural Gas   (2)  (1)  (1)
Total $ 1$ (3)$$ (1)