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OTHER FINANCIAL DATA (Tables)
3 Months Ended
Mar. 31, 2012
Other Financial Data (Tables) [Abstract]  
Goodwill Table
GOODWILL        
(Dollars in millions)        
   Sempra      
   South American Sempra Sempra  
   Utilities Mexico Natural Gas Total
Balance as of December 31, 2011$ 949$ 25$ 62$ 1,036
Foreign currency translation(1)  35    35
Balance at March 31, 2012$ 984$ 25$ 62$ 1,071
(1)We record the offset of this fluctuation to other comprehensive income.  
Net Periodic Benefit Cost Table
NET PERIODIC BENEFIT COST – SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
 Pension BenefitsOther Postretirement Benefits
 Three months ended March 31,Three months ended March 31,
 2012201120122011
Service cost$ 23$ 22$ 8$ 7
Interest cost  41  43  14  17
Expected return on assets  (39)  (37)  (13)  (12)
Amortization of:        
Prior service cost  1  1  
Actuarial loss  12  9  3  4
Regulatory adjustment  (30)  (29)  3  2
Total net periodic benefit cost$ 8$ 9$ 15$ 18
     

NET PERIODIC BENEFIT COST – SDG&E
(Dollars in millions)
 Pension BenefitsOther Postretirement Benefits
 Three months ended March 31,Three months ended March 31,
 2012201120122011
Service cost$ 7$ 7$ 2$ 2
Interest cost  12  13  2  2
Expected return on assets  (12)  (12)  (1)  (2)
Amortization of:        
Prior service cost    1  1  1
Actuarial loss 4  2  
Regulatory adjustment  (10)  (9)   1
Total net periodic benefit cost$ 1$ 2$ 4$ 4

NET PERIODIC BENEFIT COST – SOCALGAS
(Dollars in millions)
 Pension BenefitsOther Postretirement Benefits
 Three months ended March 31,Three months ended March 31,
 2012201120122011
Service cost$ 13$ 12$ 5$ 5
Interest cost  25  25  11  13
Expected return on assets  (24)  (22)  (11)  (10)
Amortization of:        
Prior service cost (credit)  1  1  (1)  (1)
Actuarial loss  6  4  3  5
Regulatory adjustment  (20)  (20)  3  1
Total net periodic benefit cost$ 1$$ 10$ 13
Contributions to Benefit Plans Table
 Sempra Energy  
(Dollars in millions)ConsolidatedSDG&ESoCalGas
Contributions through March 31, 2012:      
Pension plans$ 10$$ 2
Other postretirement benefit plans  15  4  10
Total expected contributions in 2012:      
Pension plans$ 218$ 67$ 113
Other postretirement benefit plans  46  14  27
Earnings Per Share Computations Table
EARNINGS PER SHARE COMPUTATIONS
(Dollars in millions, except per share amounts; shares in thousands)
  Three months ended March 31,
  20122011(1)
Numerator:    
Earnings/Income attributable to common shareholders$ 236$ 254
     
Denominator:    
Weighted-average common shares outstanding for basic EPS  240,566  240,128
Dilutive effect of stock options, restricted stock awards and restricted stock units  3,195  1,775
Weighted-average common shares outstanding for diluted EPS  243,761  241,903
     
Earnings per share:    
Basic$ 0.98$ 1.06
Diluted$ 0.97$ 1.05
(1)As adjusted for the retrospective effect of a change in accounting principle as we discuss in Note 1.
Total Shareholder Return Ranking Table
Four-Year Cumulative Total Shareholder Return Ranking versus S&P 500 Utilities Index(1)Number of Sempra Energy Common Shares Received for Each Restricted Stock Unit(2)
75th Percentile or Above1.5
50th Percentile 1
35th Percentile or Below
(1) If Sempra Energy ranks at or above the 50th percentile compared to the S&P 500 Index, participants will receive a minimum of 1.0 share for each restricted stock unit.
(2) Participants may also receive additional shares for dividend equivalents on shares subject to restricted stock units, which are reinvested to purchase additional shares that become subject to the same vesting conditions as the restricted stock units to which the dividends relate.
Capitalized Financing Costs Table
CAPITALIZED FINANCING COSTS
(Dollars in millions)
 Three months ended March 31,
 20122011
Sempra Energy Consolidated:    
AFUDC related to debt$ 14$ 8
AFUDC related to equity  35  19
Other capitalized financing costs  11  6
Total Sempra Energy Consolidated$ 60$ 33
SDG&E:    
AFUDC related to debt$ 12$ 6
AFUDC related to equity  29  15
Total SDG&E$ 41$ 21
SoCalGas:    
AFUDC related to debt$ 2$ 2
AFUDC related to equity  6  4
Total SoCalGas$ 8$ 6
Income Tax Expense (Benefit) Associated with Other Comprehensive Income Table
INCOME TAX EXPENSE (BENEFIT) ASSOCIATED WITH OTHER COMPREHENSIVE INCOME
(Dollars in millions)
  Three months ended March 31,
  2012 2011
   Non-   Non- 
  Sempracontrolling  Sempracontrolling 
  EnergyInterestsTotal EnergyInterestsTotal
Sempra Energy Consolidated:             
Net actuarial gain$ 1$$ 1 $ 1$$ 1
Financial instruments  3   3   1   1
Shareholders' Equity and Noncontrolling Interests Table
SHAREHOLDERS’ EQUITY AND NONCONTROLLING INTERESTS
(Dollars in millions)
  Sempra     
  Energy Non-  
  Shareholders’ controlling Total
  Equity Interests Equity
Balance at December 31, 2011$ 9,775$ 403$ 10,178
Comprehensive income  309  17  326
Preferred dividends of subsidiaries  (2)   (2)
Share-based compensation expense  11   11
Common stock dividends declared  (144)   (144)
Issuance of common stock  13   13
Repurchase of common stock  (16)   (16)
Common stock released from ESOP  6   6
Distributions to noncontrolling interests   (2)  (2)
Balance at March 31, 2012$ 9,952$ 418$ 10,370
Balance at December 31, 2010$ 8,990$ 211$ 9,201
Comprehensive income  254  5  259
Preferred dividends of subsidiaries  (2)   (2)
Share-based compensation expense  11   11
Common stock dividends declared  (115)   (115)
Issuance of common stock  15   15
Tax benefit related to share-based compensation  2   2
Repurchase of common stock  (17)   (17)
Common stock released from ESOP  7   7
Equity contributed by noncontrolling interests   1  1
Balance at March 31, 2011$ 9,145$ 217$ 9,362

SHAREHOLDER’S EQUITY AND NONCONTROLLING INTEREST
(Dollars in millions)
  SDG&E Non-  
  Shareholder’s controlling Total
  Equity Interest Equity
Balance at December 31, 2011$ 3,739$ 102$ 3,841
Comprehensive income  106  6  112
Preferred stock dividends declared  (1)   (1)
Balance at March 31, 2012$ 3,844$ 108$ 3,952
Balance at December 31, 2010$ 3,108$ 113$ 3,221
Comprehensive income  90  5  95
Preferred stock dividends declared  (1)   (1)
Capital contribution  200   200
Equity contributed by noncontrolling interest   1  1
Balance at March 31, 2011$ 3,397$ 119$ 3,516
Amounts Due To and From Affiliates at SDG&E and SoCalGas Table
AMOUNTS DUE TO AND FROM AFFILIATES AT SDG&E AND SOCALGAS
(Dollars in millions)
  March 31, December 31,
 2012 2011
SDG&E     
Current:     
Due from SoCalGas$ $ 2
Due from various affiliates  1   65
 $ 1 $ 67
       
Due to Sempra Energy$ 25 $ 14
Due to SoCalGas  11  
 $ 36 $ 14
       
Income taxes due from Sempra Energy(1)$ 85 $ 97
      
SoCalGas     
Current:     
Due from Sempra Energy$ 218 $ 23
Due from SDG&E  11  
Due from various affiliates    17
  $ 229 $ 40
      
Due to SDG&E$ $ 2
       
Income taxes due (to) from Sempra Energy(1)$ (9) $ 17
(1)SDG&E and SoCalGas are included in the consolidated income tax return of Sempra Energy and are allocated income tax expense from Sempra Energy in an amount equal to that which would result from the companies’ having always filed a separate return.
Revenues From Unconsolidated Affiliates at SDG&E and SoCalGas Table
REVENUES FROM UNCONSOLIDATED AFFILIATES AT SDG&E AND SOCALGAS
(Dollars in millions)
  
 Three months ended March 31,
 20122011
SDG&E$ 2$ 2
SoCalGas  15  13
Amounts Recorded For Transactions with RBS Sempra Commodities Table
AMOUNTS RECORDED FOR TRANSACTIONS
WITH RBS SEMPRA COMMODITIES
(Dollars in millions)
  Three months ended March 31, 2011
Revenues:   
Sempra Mexico$  33
Sempra Natural Gas   12
     
Cost of natural gas:   
Sempra Mexico$  58
Sempra Natural Gas   3
Other Income and Expense Table
OTHER INCOME, NET
(Dollars in millions)
  Three months ended March 31,
  20122011
Sempra Energy Consolidated:    
Allowance for equity funds used during construction$ 35$ 19
Investment gains(1)  19  8
Gains on interest rate and foreign exchange instruments, net  11  10
Regulatory interest, net(2)  1 
Sundry, net  9  6
Total$ 75$ 43
SDG&E:    
Allowance for equity funds used during construction$ 29$ 15
Regulatory interest, net(2)  1 
Sundry, net   1
Total$ 30$ 16
SoCalGas:    
Allowance for equity funds used during construction$ 6$ 4
Sundry, net  (2)  (1)
Total $ 4$ 3
(1)Represents investment gains on dedicated assets in support of our executive retirement and deferred compensation plans. These amounts are partially offset by corresponding changes in compensation expense related to the plans.
(2)Interest on regulatory balancing accounts.    
Income Tax Expense and Effective Income Tax Rates Table
INCOME TAX EXPENSE AND EFFECTIVE INCOME TAX RATES
(Dollars in millions)
   Three months ended March 31,
   2012 2011
   Income Tax Effective Income  Income Tax  Effective Income 
   Expense Tax Rate  Expense Tax Rate 
Sempra Energy Consolidated$ 117  33%$ 114  33%
SDG&E  60  35   49  34 
SoCalGas  40  38   37  35 
Variable Interest Entity Table
AMOUNTS ASSOCIATED WITH OTAY MESA VIE
(Dollars in millions)
    Three months ended March 31,
   20122011
     
Operating revenues     
Electric  $$
Natural gas     
Total operating revenues    
Operating expenses    
Cost of electric fuel and purchased power  (19)  (17)
Operation and maintenance 4  4
Depreciation and amortization    6  6
Total operating expenses    (9)  (7)
Operating income     9  7
Interest expense    (3)  (3)
Income before income taxes/Net income   6  4
Earnings attributable to noncontrolling interest  (6)  (4)
Earnings$$
Ownership Interests Held By Others Table
OWNERSHIP INTERESTS HELD BY OTHERS  
(Dollars in millions)  
  Percent Ownership Held by Others  March 31, 2012 December 31, 2011
Bay Gas Storage, Ltd.(1)9%$ 18$ 17
Southern Gas Transmission Company(1)49   1  1
Liberty Gas Storage, LLC(1)25   9  9
Tecsur10   3  4
Luz del Sur20   222  216
Chilquinta Energía subsidiaries15 - 43   37  34
Otay Mesa VIE (at SDG&E)100   108  102
Total Sempra Energy  $ 398$ 383
(1)Part of Sempra Natural Gas.