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EMPLOYEE BENEFIT PLANS (Tables)
 12 Months Ended
Dec. 31, 2020
Retirement Benefits [Abstract]  
Schedule Of Defined Benefit Plans, Change In Benefit Obligation And Fair Value Of Plan Assets
The following three tables provide a reconciliation of the changes in the plans’ projected benefit obligations and the fair value of assets during 2020 and 2019, and a statement of the funded status at December 31, 2020 and 2019:
PROJECTED BENEFIT OBLIGATION, FAIR VALUE OF ASSETS AND FUNDED STATUS
SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
 Pension benefits
Other postretirement
benefits
 2020201920202019
CHANGE IN PROJECTED BENEFIT OBLIGATION    
Net obligation at January 1$3,768 $3,339 $913 $868 
Service cost129 110 18 17 
Interest cost129 139 33 36 
Contributions from plan participants— — 22 21 
Actuarial loss 351 445 79 45 
Plan amendments— 5 — — 
Benefit payments(93)(93)(74)(72)
Settlements(207)(177)(2)(2)
Net obligation at December 314,077 3,768 989 913 
CHANGE IN PLAN ASSETS    
Fair value of plan assets at January 12,662 2,160 1,281 1,108 
Actual return on plan assets350 496 164 218 
Employer contributions290 276 8 8 
Contributions from plan participants— — 22 21 
Benefit payments(93)(93)(74)(72)
Settlements(207)(177)(2)(2)
Fair value of plan assets at December 313,002 2,662 1,399 1,281 
Funded status at December 31$(1,075)$(1,106)$410 $368 
Net recorded (liability) asset at December 31$(1,075)$(1,106)$410 $368 
PROJECTED BENEFIT OBLIGATION, FAIR VALUE OF ASSETS AND FUNDED STATUS
SAN DIEGO GAS & ELECTRIC COMPANY
(Dollars in millions)
 Pension benefitsOther postretirement
benefits
 2020201920202019
CHANGE IN PROJECTED BENEFIT OBLIGATION    
Net obligation at January 1$895 $814 $177 $170 
Service cost31 30 4 4 
Interest cost30 34 6 7 
Contributions from plan participants— — 8 7 
Actuarial loss 37 61 17 7 
Plan amendments— 3 — — 
Benefit payments(18)(18)(20)(18)
Settlements(52)(39)— — 
Transfer of liability from other plans(10)10 1 — 
Net obligation at December 31913 895 193 177 
CHANGE IN PLAN ASSETS    
Fair value of plan assets at January 1739 600 197 172 
Actual return on plan assets94 135 26 36 
Employer contributions52 52 1 — 
Contributions from plan participants— — 8 7 
Benefit payments(18)(18)(20)(18)
Settlements(52)(39)— — 
Transfer of assets from other plans4 9 1 — 
Fair value of plan assets at December 31819 739 213 197 
Funded status at December 31$(94)$(156)$20 $20 
Net recorded (liability) asset at December 31$(94)$(156)$20 $20 
PROJECTED BENEFIT OBLIGATION, FAIR VALUE OF ASSETS AND FUNDED STATUS
SOUTHERN CALIFORNIA GAS COMPANY
(Dollars in millions)
 Pension benefitsOther postretirement
benefits
(Dollars in millions)2020201920202019
CHANGE IN PROJECTED BENEFIT OBLIGATION    
Net obligation at January 1$2,526 $2,148 $688 $646 
Service cost86 68 14 12 
Interest cost88 91 25 27 
Contributions from plan participants— — 14 13 
Actuarial loss282 345 57 39 
Plan amendments— 2 — — 
Benefit payments(60)(59)(49)(49)
Settlements(105)(65)— — 
Transfer of liability to other plans12 (4)— — 
Net obligation at December 312,829 2,526 749 688 
CHANGE IN PLAN ASSETS    
Fair value of plan assets at January 11,737 1,385 1,059 916 
Actual return on plan assets243 320 134 178 
Employer contributions152 152 1 1 
Contributions from plan participants— — 14 13 
Benefit payments(60)(59)(49)(49)
Settlements(105)(65)— — 
Transfer of assets from other plans2 4 — — 
Fair value of plan assets at December 311,969 1,737 1,159 1,059 
Funded status at December 31$(860)$(789)$410 $371 
Net recorded (liability) asset at December 31$(860)$(789)$410 $371 
Schedule Of Defined Benefit Plans, Amounts Recognized In Balance Sheet
The net (liability) asset is included in the following categories on the Consolidated Balance Sheets at December 31:
PENSION AND OTHER POSTRETIREMENT BENEFIT OBLIGATIONS, NET OF PLAN ASSETS
(Dollars in millions)
 Pension benefitsOther postretirement
benefits
 2020201920202019
Sempra Energy Consolidated:    
Noncurrent assets$— $— $430 $391 
Current liabilities(35)(59)(1)(3)
Noncurrent liabilities(1,040)(1,047)(19)(20)
Net recorded (liability) asset$(1,075)$(1,106)$410 $368 
SDG&E:    
Noncurrent assets$— $— $20 $20 
Current liabilities(2)(3)— — 
Noncurrent liabilities(92)(153)— — 
Net recorded (liability) asset $(94)$(156)$20 $20 
SoCalGas:    
Noncurrent assets$— $— $410 $371 
Current liabilities(7)(4)— — 
Noncurrent liabilities(853)(785)— — 
Net recorded (liability) asset$(860)$(789)$410 $371 
Schedule Of Defined Benefit Plans, Amounts In Accumulated Other Comprehensive Income
Amounts recorded in AOCI at December 31, net of income tax effects and amounts recorded as regulatory assets, are as follows:
AMOUNTS IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
(Dollars in millions)
Pension benefitsOther postretirement
benefits
 2020201920202019
Sempra Energy Consolidated(1):
    
Net actuarial (loss) gain$(102)$(113)$8 $10 
Prior service cost(11)(14)— — 
Total$(113)$(127)$8 $10 
SDG&E:    
Net actuarial loss$(8)$(9)  
Prior service cost(2)(7)
Total$(10)$(16)
SoCalGas:    
Net actuarial loss$(14)$(7)  
Prior service cost(4)(3)  
Total$(18)$(10)  
Schedule Of Defined Benefit Plans, Pension Plans With Benefit Obligations In Excess Of Plan Assets The following table shows the obligations of funded pension plans with benefit obligations in excess of plan assets at December 31:
OBLIGATIONS OF FUNDED PENSION PLANS
(Dollars in millions)
 20202019
Sempra Energy Consolidated:  
Projected benefit obligation$3,679 $3,578 
Accumulated benefit obligation3,265 3,229 
Fair value of plan assets2,788 2,662 
SDG&E: 
Projected benefit obligation$887 $861 
Accumulated benefit obligation834 818 
Fair value of plan assets819 739 
SoCalGas:  
Projected benefit obligation$2,792 $2,505 
Accumulated benefit obligation2,431 2,208 
Fair value of plan assets1,969 1,737 
We also have unfunded pension plans at Sempra Energy, SDG&E, SoCalGas and IEnova. The following table shows the obligations of unfunded pension plans at December 31:
OBLIGATIONS OF UNFUNDED PENSION PLANS
(Dollars in millions)
 20202019
Sempra Energy Consolidated:  
Projected benefit obligation$184 $190 
Accumulated benefit obligation146 158 
SDG&E: 
Projected benefit obligation$26 $34 
Accumulated benefit obligation22 27 
SoCalGas:  
Projected benefit obligation$37 $21 
Accumulated benefit obligation31 17 
Sempra Energy, SDG&E and SoCalGas each have a funded other postretirement benefit plan. The following table shows the obligations of funded other postretirement benefit plans with accumulated postretirement benefit obligations in excess of plan assets at December 31:
OBLIGATIONS OF FUNDED OTHER POSTRETIREMENT BENEFIT PLANS
(Dollars in millions)
 20202019
Sempra Energy Consolidated:  
Accumulated postretirement benefit obligation$33 $32 
Fair value of plan assets27 25 
We also have unfunded other postretirement benefit plans at Sempra Energy. The following table shows the obligations of unfunded other postretirement benefit plans at December 31:
OBLIGATIONS OF UNFUNDED OTHER POSTRETIREMENT BENEFIT PLANS
(Dollars in millions)
 20202019
Sempra Energy Consolidated:  
Accumulated postretirement benefit obligation$14 $16 
Schedule of Net Periodic Costs and Amounts Recognized in OCI
The following tables provide the components of net periodic benefit cost and pretax amounts recognized in OCI for the years ended December 31:
NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OCI
SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
 Pension benefitsOther postretirement benefits
 202020192018202020192018
NET PERIODIC BENEFIT COST      
Service cost$129 $110 $124 $18 $17 $21 
Interest cost129 139 140 33 36 36 
Expected return on assets(169)(144)(157)(55)(71)(70)
Amortization of:    
Prior service cost (credit)12 12 11 (2)— 1 
Actuarial loss (gain)35 36 22 (10)(10)(6)
Settlement charges 22 28 66 — — — 
Special termination benefits— — — — — 5 
Net periodic benefit cost (credit)158 181 206 (16)(28)(13)
Regulatory adjustment91 77 (30)16 29 17 
Total expense recognized249 258 176 — 1 4 
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI (1)
      
Net loss (gain)28 17 56 1 (3)(4)
Prior service cost— 5 12 — — — 
Amortization of actuarial (loss) gain (14)(13)(12)— — — 
Amortization of prior service cost (4)(3)(2)— — — 
Settlements (22)(28)(12)— — — 
Total recognized in OCI(12)(22)42 1 (3)(4)
   Total recognized in net periodic benefit cost and OCI
$237 $236 $218 $1 $(2)$— 
(1)    Includes discontinued operations.
NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OCI
SAN DIEGO GAS & ELECTRIC COMPANY
(Dollars in millions)
 Pension benefitsOther postretirement benefits
 202020192018202020192018
NET PERIODIC BENEFIT COST      
Service cost$31 $30 $30 $4 $4 $5 
Interest cost30 34 35 6 7 7 
Expected return on assets(49)(38)(47)(10)(11)(13)
Amortization of:      
Prior service cost2 3 2 — 2 3 
Actuarial loss (gain)3 11 1 (3)(2)(3)
Settlement charges— — 26 — — — 
Special termination benefits— — — — — 3 
Net periodic benefit cost17 40 47 (3)— 2 
Regulatory adjustment38 14 (8)3 — — 
Total expense recognized55 54 39 — — 2 
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI
      
Net loss (gain)6 5 (1)— — — 
Prior service cost— 2 8 — — — 
Transfer of actuarial loss(7)— — — — — 
Transfer of prior service cost(5)— — — — — 
Amortization of actuarial loss(1)— (1)— — — 
Amortization of prior service cost(1)(1)— — — — 
Settlements — — (4)— — — 
Total recognized in OCI(8)6 2 — — — 
   Total recognized in net periodic benefit cost and OCI
$47 $60 $41 $— $— $2 
NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OCI
SOUTHERN CALIFORNIA GAS COMPANY
(Dollars in millions)
 Pension benefitsOther postretirement benefits
 202020192018202020192018
NET PERIODIC BENEFIT COST      
Service cost$86 $68 $81 $14 $12 $15 
Interest cost88 91 92 25 27 27 
Expected return on assets(107)(94)(98)(43)(58)(56)
Amortization of:      
Prior service cost (credit)8 8 8 (2)(2)(3)
Actuarial loss (gain)26 16 13 (7)(8)(2)
Settlement charges— — 32 — — — 
Special termination benefits— — — — — 2 
Net periodic benefit cost (credit)101 89 128 (13)(29)(17)
Regulatory adjustment53 63 (22)13 29 17 
Total expense recognized154 152 106 — — — 
CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OCI
      
Net loss6 2 1 — — — 
Prior service cost— 3 — — — — 
Transfer of actuarial loss5 (4)— — — — 
Transfer of prior service cost3 (1)— — — — 
Amortization of actuarial loss(1)(1)— — — — 
Amortization of prior service cost (1)— (1)— — — 
Total recognized in OCI12 (1)— — — — 
   Total recognized in net periodic benefit cost and OCI $166 $151 $106 $— $— $— 
Schedule of Assumptions Used
The significant assumptions affecting benefit obligation and net periodic benefit cost are as follows:
WEIGHTED-AVERAGE ASSUMPTIONS USED TO DETERMINE BENEFIT OBLIGATION
AT DECEMBER 31
 Pension benefitsOther postretirement benefits
 2020201920202019
Sempra Energy Consolidated:    
Discount rate2.78 %3.49 %2.88 %3.54 %
Interest crediting rate(1)(2)
1.62 2.28 1.62 2.28 
Rate of compensation increase
2.70-10.00
2.70-10.00
2.70-10.00
2.70-10.00
SDG&E:    
Discount rate2.73 %3.44 %2.85 %3.55 %
Interest crediting rate(1)(2)
1.62 2.28 1.62 2.28 
Rate of compensation increase
2.70-10.00
2.70-10.00
2.70-10.00
2.70-10.00
SoCalGas:    
Discount rate2.79 %3.50 %2.90 %3.55 %
Interest crediting rate(1)(2)
1.62 2.28 1.62 2.28 
Rate of compensation increase
2.70-10.00
2.70-10.00
2.70-10.00
2.70-10.00
(1)    Interest crediting rate for pension benefits applies only to funded cash balance plans.
(2)    Interest crediting rate for other postretirement benefits applies only to interest bearing health retirement accounts at SDG&E and SoCalGas.
WEIGHTED-AVERAGE ASSUMPTIONS USED TO DETERMINE NET PERIODIC BENEFIT COST
YEARS ENDED DECEMBER 31
 Pension benefitsOther postretirement benefits
 202020192018202020192018
Sempra Energy Consolidated:      
Discount rate3.49 %4.29 %3.64 %3.54 %4.29 %3.68 %
Expected return on plan assets7.00 7.00 7.00 4.64 6.48 6.49 
Interest crediting rate(1)(2)
2.28 3.36 2.80 2.28 3.36 2.80 
Rate of compensation increase
2.70-10.00
2.00-10.00
2.00-10.00
2.70-10.00
2.00-10.00
2.00-10.00
SDG&E:    
Discount rate3.44 %4.29 %3.64 %3.55 %4.30 %3.65 %
Expected return on plan assets7.00 7.00 7.00 5.51 6.92 6.94 
Interest crediting rate(1)(2)
2.28 3.36 2.80 2.28 3.36 2.80 
Rate of compensation increase
2.70-10.00
2.00-10.00
2.00-10.00
2.70-10.00
2.00-10.00
2.00-10.00
SoCalGas:    
Discount rate3.50 %4.30 %3.65 %3.55 %4.30 %3.70 %
Expected return on plan assets7.00 7.00 7.00 4.41 6.38 6.38 
Interest crediting rate(1)(2)
2.28 3.36 2.80 2.28 3.36 2.80 
Rate of compensation increase
2.70-10.00
2.00-10.00
2.00-10.00
2.70-10.00
2.00-10.00
2.00-10.00
(1)    Interest crediting rate for pension benefits applies only to funded cash balance plans.
(2)    Interest crediting rate for other postretirement benefits applies only to interest bearing health retirement accounts at SDG&E and SoCalGas.
Following are the health care cost trend rates applicable to our postretirement benefit plans:
ASSUMED HEALTH CARE COST TREND RATES
AT DECEMBER 31
 Other postretirement benefit plans
 Pre-65 retireesRetirees aged 65 years and older
 202020192018202020192018
Health care cost trend rate assumed for next year 6.00 %6.25 %6.50 %4.75 %4.75 %4.75 %
Rate to which the cost trend rate is assumed to decline (the ultimate trend)4.75 %4.75 %4.75 %4.50 %4.50 %4.50 %
Year the rate reaches the ultimate trend202520252025202220222022
Schedule of Health Care Cost Trend Rates
Assumed health care cost trend rates have a significant effect on the amounts that we report for the health care plan costs. Following are the health care cost trend rates applicable to our postretirement benefit plans:
ASSUMED HEALTH CARE COST TREND RATES
AT DECEMBER 31
 Other postretirement benefit plans
 Pre-65 retireesRetirees aged 65 years and older
 202020192018202020192018
Health care cost trend rate assumed for next year 6.00 %6.25 %6.50 %4.75 %4.75 %4.75 %
Rate to which the cost trend rate is assumed to decline (the ultimate trend)4.75 %4.75 %4.75 %4.50 %4.50 %4.50 %
Year the rate reaches the ultimate trend202520252025202220222022
Schedule Of Defined Benefit Plans, Fair Value Of Plan Assets By Level In Fair Value Hierarchy The fair values of our pension plan assets by asset category are as follows:
FAIR VALUE MEASUREMENTS – INVESTMENT ASSETS OF PENSION PLANS
(Dollars in millions)
 
Fair value at December 31, 2020
 Level 1Level 2Total
Sempra Energy Consolidated:   
Cash and cash equivalents$7 $— $7 
Equity securities:   
Domestic931 — 931 
International563 — 563 
Registered investment companies183 — 183 
Fixed income securities:   
Domestic government and government agencies 238 34 272 
International government bonds— 13 13 
Domestic corporate bonds— 418 418 
International corporate bonds— 61 61 
Registered investment companies— 37 37 
Other2 (1)1 
Total investment assets in the fair value hierarchy$1,924 $562 2,486 
Accounts receivable/payable, net13 
Investments measured at NAV:
Common/collective trusts493 
Private equity funds10 
Total investment assets$3,002 
SDG&E’s proportionate share of investment assets$819 
SoCalGas’ proportionate share of investment assets$1,969 
 
Fair value at December 31, 2019
 Level 1Level 2Total
Sempra Energy Consolidated:
Cash and cash equivalents$17 $— $17 
Equity securities:   
Domestic923 — 923 
International555 1 556 
Registered investment companies96 — 96 
Fixed income securities:   
Domestic government and government agencies 228 39 267 
International government bonds— 9 9 
Domestic corporate bonds— 346 346 
International corporate bonds— 62 62 
Registered investment companies— 2 2 
Total investment assets in the fair value hierarchy$1,819 $459 2,278 
Accounts receivable/payable, net(38)
Investments measured at NAV:
Common/collective trusts417 
Private equity funds5 
Total investment assets$2,662 
SDG&E’s proportionate share of investment assets$739 
SoCalGas’ proportionate share of investment assets$1,737 
The fair values by asset category of the PBOP plan assets held in the pension master trust and in the additional trusts for SoCalGas’ PBOP plans and SDG&E’s PBOP plan trusts are as follows:
FAIR VALUE MEASUREMENTS – INVESTMENT ASSETS OF OTHER POSTRETIREMENT BENEFIT PLANS
(Dollars in millions)
 
Fair value at December 31, 2020
 Level 1Level 2Total
SDG&E:   
Equity securities:   
Domestic$17 $— $17 
International11 — 11 
Registered investment companies80 — 80 
Fixed income securities:   
Domestic government and government agencies 38 2 40 
Domestic corporate bonds— 8 8 
International corporate bonds— 1 1 
Registered investment companies— 7 7 
Total investment assets in the fair value hierarchy146 18 164 
Accounts receivable/payable, net(2)
Investments measured at NAV – Common/collective trusts51 
Total investment assets213 
SoCalGas:   
Cash and cash equivalents1 — 1 
Equity securities:   
Domestic76 — 76 
International46 — 46 
Registered investment companies61 — 61 
Fixed income securities:   
Domestic government and government agencies273 25 298 
International government bonds1 14 15 
Domestic corporate bonds— 349 349 
International corporate bonds— 42 42 
Registered investment companies— 81 81 
Derivative financial instruments1 — 1 
Total investment assets in the fair value hierarchy459 511 970 
Investments measured at NAV:
Common/collective trusts188 
Venture capital funds and real estate funds1 
Total investment assets1,159 
Other Sempra Energy:   
Equity securities:   
Domestic10 — 10 
International6 — 6 
Registered investment companies1 — 1 
Fixed income securities:   
Domestic government and government agencies2 — 2 
Domestic corporate bonds— 4 4 
International corporate bonds— 1 1 
Registered investment companies — (1)(1)
Total investment assets in the fair value hierarchy19 4 23 
Investments measured at NAV – Common/collective trusts4 
Total other Sempra Energy investment assets27 
Total Sempra Energy Consolidated investment assets in the fair value hierarchy$624 $533 
Total Sempra Energy Consolidated investment assets$1,399 
FAIR VALUE MEASUREMENTS – INVESTMENT ASSETS OF OTHER POSTRETIREMENT BENEFIT PLANS
(Dollars in millions)
 
Fair value at December 31, 2019
 Level 1Level 2Total
SDG&E:   
Equity securities:   
Domestic$21 $— $21 
International13 — 13 
Registered investment companies68 — 68 
Fixed income securities:   
Domestic government and government agencies32 1 33 
Domestic corporate bonds— 8 8 
International corporate bonds— 1 1 
Registered investment companies— 8 8 
Total investment assets in the fair value hierarchy134 18 152 
Accounts receivable/payable, net(2)
Investments measured at NAV – Common/collective trusts47 
Total investment assets197 
SoCalGas:   
Cash and cash equivalents3 — 3 
Equity securities:   
Domestic78 — 78 
International48 — 48 
Registered investment companies52 — 52 
Fixed income securities:   
Domestic government and government agencies267 21 288 
International government bonds1 10 11 
Domestic corporate bonds— 309 309 
International corporate bonds— 40 40 
Registered investment companies— 75 75 
Derivative financial instruments3 — 3 
Total investment assets in the fair value hierarchy452 455 907 
Accounts receivable/payable, net(5)
Investments measured at NAV – Common/collective trusts157 
Total investment assets1,059 
Other Sempra Energy:   
Equity securities:   
Domestic9 — 9 
International4 — 4 
Fixed income securities:   
Domestic government and government agencies3 1 4 
Domestic corporate bonds— 3 3 
International corporate bonds— 1 1 
Total investment assets in the fair value hierarchy16 5 21 
Investments measured at NAV – Common/collective trusts4 
Total other Sempra Energy investment assets25 
Total Sempra Energy Consolidated investment assets in the fair value hierarchy$602 $478 
Total Sempra Energy Consolidated investment assets$1,281 
Schedule Of Defined Benefit Plans, Estimated Future Employer Contributions In Next Fiscal Year
We expect to contribute the following amounts to our pension and PBOP plans in 2021:
EXPECTED CONTRIBUTIONS   
(Dollars in millions)   
  Sempra Energy ConsolidatedSDG&ESoCalGas
Pension plans$246 $53 $157 
Other postretirement benefit plans5 1 1 
Schedule of Expected Benefit Payments
The following table shows the total benefits we expect to pay for the next 10 years to current employees and retirees from the plans or from company assets.
EXPECTED BENEFIT PAYMENTS
(Dollars in millions)
 Sempra Energy ConsolidatedSDG&ESoCalGas
 Pension benefitsOther postretirement benefitsPension benefitsOther postretirement benefitsPension benefitsOther postretirement benefits
2021$389 $47 $112 $10 $226 $34 
2022268 47 68 10 172 34 
2023255 48 65 10 166 35 
2024246 48 61 10 159 35 
2025239 47 60 10 157 35 
2026-20301,130 235 263 47 752 172 
Schedule Of Defined Benefit Plans Contributions
Employer contributions to the savings plans were as follows:
EMPLOYER CONTRIBUTIONS TO SAVINGS PLANS
(Dollars in millions)
 202020192018
Sempra Energy Consolidated$47 $44 $43 
SDG&E16 15 15 
SoCalGas25 24 23