EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2011

Schedule Of Defined Benefit Plans Change In Benefit Obligation And Fair Value Of Plan Assets [Abstract]

Schedule Of Defined Benefit Plans, Change In Benefit Obligation And Fair Value Of Plan Assets

PROJECTED BENEFIT OBLIGATION, FAIR VALUE OF ASSETS AND FUNDED STATUS
(Dollars in millions)
	Pension Benefits				Other Postretirement Benefits
Sempra Energy Consolidated	2011		2010		2011		2010
CHANGE IN PROJECTED BENEFIT OBLIGATION:
Net obligation at January 1	$	3,124	$	3,083	$	1,139	$	985
Service cost		83		83		31		26
Interest cost		168		167		65		57
Plan amendments		―		1		4		―
Impact of PPACA excise tax		―		―		―		31
Actuarial loss (gain)		224		―		(42)		81
Contributions from plan participants		―		―		15		13
Benefit payments		(177)		(210)		(59)		(56)
Acquisitions		20		―		5		―
Foreign currency adjustments		(2)		―		―		―
Settlements		(34)		―		―		―
Federal subsidy (Medicare Part D)		―		―		2		2
Net obligation at December 31		3,406		3,124		1,160		1,139
CHANGE IN PLAN ASSETS:
Fair value of plan assets at January 1		2,354		2,130		746		658
Actual return on plan assets		(23)		275		4		79
Employer contributions		212		159		72		52
Contributions from plan participants		―		―		15		13
Benefit payments		(177)		(210)		(59)		(56)
Settlements		(34)		―		―		―
Fair value of plan assets at December 31		2,332		2,354		778		746
Funded status at December 31	$	(1,074)	$	(770)	$	(382)	$	(393)
Net recorded liability at December 31	$	(1,074)	$	(770)	$	(382)	$	(393)

PROJECTED BENEFIT OBLIGATION, FAIR VALUE OF ASSETS AND FUNDED STATUS
(Dollars in millions)
	Pension Benefits				Other Postretirement Benefits
SDG&E	2011		2010		2011		2010
CHANGE IN PROJECTED BENEFIT OBLIGATION:
Net obligation at January 1	$	949	$	908	$	175	$	160
Service cost		28		27		7		6
Interest cost		49		47		10		9
Plan amendments		―		―		2		―
Actuarial loss (gain)		27		1		(5)		3
Settlements		(1)		―		―		―
Transfer of liability (to) from other plans		(19)		17		(2)		2
Contributions from plan participants		―		―		7		6
Benefit payments		(52)		(51)		(12)		(11)
Net obligation at December 31		981		949		182		175
CHANGE IN PLAN ASSETS:
Fair value of plan assets at January 1		713		615		99		81
Actual return on plan assets		(7)		79		(1)		7
Employer contributions		69		61		15		15
Transfer of assets (to) from other plans		(10)		9		(2)		1
Settlements		(1)		―		―		―
Contributions from plan participants		―		―		7		6
Benefit payments		(52)		(51)		(12)		(11)
Fair value of plan assets at December 31		712		713		106		99
Funded status at December 31	$	(269)	$	(236)	$	(76)	$	(76)
Net recorded liability at December 31	$	(269)	$	(236)	$	(76)	$	(76)

PROJECTED BENEFIT OBLIGATION, FAIR VALUE OF ASSETS AND FUNDED STATUS
(Dollars in millions)
	Pension Benefits				Other Postretirement Benefits
SoCalGas	2011		2010		2011		2010
CHANGE IN PROJECTED BENEFIT OBLIGATION:
Net obligation at January 1	$	1,786	$	1,764	$	920	$	780
Service cost		46		46		22		18
Interest cost		99		98		53		46
Plan amendments		―		―		1		―
Impact of PPACA excise tax		―		―		―		31
Actuarial loss (gain)		171		(3)		(46)		77
Contributions from plan participants		―		―		9		8
Benefit payments		(107)		(126)		(45)		(43)
Settlements		(4)		―		―		―
Transfer of liability from other plans		26		7		5		1
Federal subsidy (Medicare Part D)		―		―		2		2
Net obligation at December 31		2,017		1,786		921		920
CHANGE IN PLAN ASSETS:
Fair value of plan assets at January 1		1,456		1,332		632		562
Actual return on plan assets		(12)		171		4		70
Employer contributions		95		71		55		35
Transfer of assets from other plans		15		7		3		―
Settlements		(4)		―		―		―
Contributions from plan participants		―		―		9		8
Benefit payments		(107)		(125)		(45)		(43)
Fair value of plan assets at December 31		1,443		1,456		658		632
Funded status at December 31	$	(574)	$	(330)	$	(263)	$	(288)
Net recorded liability at December 31	$	(574)	$	(330)	$	(263)	$	(288)

Schedule Of Defined Benefit Plans Amounts Recognized In Balance Sheet [Abstract]

Schedule Of Defined Benefit Plans, Amounts Recognized In Balance Sheet

	Pension Benefits				Other Postretirement Benefits
(Dollars in millions)	2011		2010		2011		2010
Sempra Energy Consolidated
Current liabilities	$	(31)	$	(57)	$	(2)	$	(1)
Noncurrent liabilities		(1,043)		(713)		(380)		(392)
Net recorded liability	$	(1,074)	$	(770)	$	(382)	$	(393)
SDG&E
Current liabilities	$	(3)	$	(3)	$	―	$	―
Noncurrent liabilities		(266)		(233)		(76)		(76)
Net recorded liability	$	(269)	$	(236)	$	(76)	$	(76)
SoCalGas
Current liabilities	$	(4)	$	(5)	$	―	$	―
Noncurrent liabilities		(570)		(325)		(263)		(288)
Net recorded liability	$	(574)	$	(330)	$	(263)	$	(288)

Schedule Of Defined Benefit Plans Amounts In Accumulated Other Comprehensive Income [Abstract]

Schedule Of Defined Benefit Plans, Amounts In Accumulated Other Comprehensive Income

AMOUNTS IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
(Dollars in millions)
	Pension Benefits				Other Postretirement Benefits
	2011		2010		2011		2010
Sempra Energy Consolidated
Net actuarial loss	$	(92)	$	(85)	$	(8)	$	(3)
Prior service credit		1		1		―		―
Total	$	(91)	$	(84)	$	(8)	$	(3)
SDG&E
Net actuarial loss	$	(11)	$	(11)
Prior service credit		1		1
Total	$	(10)	$	(10)
SoCalGas
Net actuarial loss	$	(6)	$	(5)
Prior service credit		1		1
Total	$	(5)	$	(4)

Schedule Of Defined Benefit Plans Accumulated Benefit Obligation [Abstract]

Schedule Of Defined Benefit Plans, Accumulated Benefit Obligation

	Sempra Energy Consolidated				SDG&E				SoCalGas
(Dollars in millions)	2011		2010		2011		2010		2011		2010
Accumulated benefit obligation	$	3,176	$	2,933	$	962	$	935	$	1,845	$	1,623

Schedule Of Defined Benefit Plans Pension Plans With Benefit Obligations In Excess Of Plan Assets [Abstract]

Schedule Of Defined Benefit Plans, Pension Plans With Benefit Obligations In Excess Of Plan Assets

(Dollars in millions)	2011		2010
Sempra Energy Consolidated
Projected benefit obligation	$	3,150	$	2,880
Accumulated benefit obligation		2,958		2,702
Fair value of plan assets		2,332		2,354
SDG&E
Projected benefit obligation	$	944	$	917
Accumulated benefit obligation		928		906
Fair value of plan assets		712		713
SoCalGas
Projected benefit obligation	$	1,987	$	1,755
Accumulated benefit obligation		1,818		1,594
Fair value of plan assets		1,443		1,456

Schedule Of Defined Benefit Plans Net Periodic Benefit Cost And Amounts Recognized In Other Comprehensive Income [Abstract]

Schedule Of Defined Benefit Plans, Net Periodic Benefit Cost and Amounts Recognized in Other Comprehensive Income

NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OTHER COMPREHENSIVE INCOME
(Dollars in millions)
	Pension Benefits						Other Postretirement Benefits
Sempra Energy Consolidated	2011		2010		2009		2011		2010		2009
Net Periodic Benefit Cost
Service cost	$	83	$	83	$	74	$	31	$	26	$	26
Interest cost		168		167		170		65		57		56
Expected return on assets		(144)		(143)		(139)		(48)		(46)		(45)
Amortization of:
Prior service cost (credit)		4		4		7		―		(1)		(1)
Actuarial loss		34		30		23		17		8		3
Regulatory adjustment		43		19		28		7		7		7
Settlement charge		13		―		14		―		―		―
Total net periodic benefit cost		201		160		177		72		51		46
Other Changes in Plan Assets and Benefit Obligations
Recognized in Other Comprehensive Income
Net loss (gain)		23		(12)		9		7		(1)		3
Amortization of prior service credit		―		―		―		―		1		1
Amortization of actuarial loss		(10)		(10)		(8)		―		―		―
Total recognized in other comprehensive income		13		(22)		1		7		―		4
Total recognized in net periodic benefit cost and other comprehensive income	$	214	$	138	$	178	$	79	$	51	$	50

NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OTHER COMPREHENSIVE INCOME
(Dollars in millions)
	Pension Benefits						Other Postretirement Benefits
SDG&E	2011		2010		2009		2011		2010		2009
Net Periodic Benefit Cost
Service cost	$	28	$	27	$	23	$	7	$	6	$	5
Interest cost		49		47		48		10		9		9
Expected return on assets		(46)		(40)		(32)		(8)		(5)		(3)
Amortization of:
Prior service cost		1		1		4		4		4		4
Actuarial loss		9		12		16		―		―		―
Regulatory adjustment		31		13		2		2		2		2
Settlement charge		1		―		2		―		―		―
Total net periodic benefit cost		73		60		63		15		16		17
Other Changes in Plan Assets and Benefit Obligations
Recognized in Other Comprehensive Income
Net loss (gain)		1		2		(1)		―		―		―
Amortization of actuarial loss		(1)		(1)		(2)		―		―		―
Total recognized in other comprehensive income		―		1		(3)		―		―		―
Total recognized in net periodic benefit cost and other comprehensive income	$	73	$	61	$	60	$	15	$	16	$	17

NET PERIODIC BENEFIT COST AND AMOUNTS RECOGNIZED IN OTHER COMPREHENSIVE INCOME
(Dollars in millions)
	Pension Benefits						Other Postretirement Benefits
SoCalGas	2011		2010		2009		2011		2010		2009
Net Periodic Benefit Cost
Service cost	$	46	$	46	$	42	$	22	$	18	$	18
Interest cost		99		98		98		53		46		45
Expected return on assets		(85)		(90)		(94)		(40)		(40)		(41)
Amortization of:
Prior service cost (credit)		2		2		2		(4)		(4)		(4)
Actuarial loss		17		10		1		17		7		3
Settlement charge		1		―		1		―		―		―
Regulatory adjustment		12		6		28		5		5		6
Total net periodic benefit cost		92		72		78		53		32		27
Other Changes in Plan Assets and Benefit Obligations
Recognized in Other Comprehensive Income
Net loss		2		―		1		―		―		―
Amortization of actuarial loss		(1)		(1)		(1)		―		―		―
Total recognized in other comprehensive income		1		(1)		―		―		―		―
Total recognized in net periodic benefit cost and other comprehensive income	$	93	$	71	$	78	$	53	$	32	$	27

Schedule Of Defined Benefit Plans Medicare Part D Subsidy [Abstract]

Schedule Of Defined Benefit Plans, Medicare Part D Subsidy

	Sempra Energy
(Dollars in millions)	Consolidated		SDG&E		SoCalGas
Net periodic benefit cost reduction	$	4	$	―	$	4

Schedule Of Defined Benefit Plans Assumptions Used In Calculations [Abstract]

Schedule Of Defined Benefit Plans, Assumptions Used In Calculations

WEIGHTED-AVERAGE ASSUMPTIONS
		Pension Benefits				Other Postretirement Benefits
		2011		2010		2011		2010
WEIGHTED-AVERAGE ASSUMPTIONS USED TO DETERMINE
BENEFIT OBLIGATION AS OF DECEMBER 31:
Discount rate		4.95	%	5.61	%	5.11	%	5.77	%
Rate of compensation increase		4.50	%	4.50	%	(1)		(1)
WEIGHTED-AVERAGE ASSUMPTIONS USED TO DETERMINE NET
PERIODIC BENEFIT COST FOR YEARS ENDED DECEMBER 31:
Sempra Energy Consolidated
Discount rate		(2)		(3)		(4)		(5)
Expected return on plan assets		7.00	%	7.00	%	6.25	%	6.22	%
Rate of compensation increase		(6)		(6)		(1)		(1)
SDG&E
Discount rate		(7)		5.40	%	5.05	%	5.75	%
Expected return on plan assets		7.00	%	7.00	%	6.69	%	6.49	%
Rate of compensation increase		(8)		(8)		N/A		N/A
SoCalGas
Discount rate		(9)		5.75	%	5.15	%	5.90	%
Expected return on plan assets		7.00	%	7.00	%	7.00	%	7.00	%
Rate of compensation increase		(6)		(6)		(1)		(1)
(1)	4.50% and 4.00% as of December 31, 2011 and 2010, respectively, for the life insurance and Health Reimbursement Arrangement benefits for SoCalGas’ represented employees. No other PBOP benefits are compensation-based.
(2)	In addition to rates for SDG&E and SoCalGas plans, 5.14% for Mobile Gas pension plan, 4.40% for Directors’ plan, 4.70% for other unfunded plans, and 4.90% for Sempra Energy funded plan.
(3)	In addition to rates for SDG&E and SoCalGas plans, 5.95% for Mobile Gas pension plans, 4.85% for Directors’ plan, 5.45% for other unfunded plans, and 5.55% for Sempra Energy funded plan.
(4)	In addition to rates for SDG&E and SoCalGas plans, 4.10% for the Executive Life Plan, 4.80% for Mobile Gas, and 4.65% for Sempra Energy.
(5)	In addition to rates for SDG&E and SoCalGas plans, 4.60% for the Executive Life Plan, 5.70% for Mobile Gas, and 5.40% for Sempra Energy.
(6)	4.50% for the unfunded pension plans. 3.50% to 5.00% for the funded pension plan for SoCalGas’ represented participants and 3.50% to 8.50% for all the other funded pension plans’ participants using an age-based formula.
(7)	4.70% for the unfunded pension plan. 4.80% for the funded pension plan.
(8)	4.50% for the unfunded pension plan. 3.50% to 8.50% for the funded pension plan using an age-based formula.
(9)	4.70% for the unfunded pension plan. 5.05% for the funded pension plan.

Schedule Of Defined Benefit Plans Assumed Health Care Cost Trend Rates [Abstract]

Schedule Of Defined Benefit Plans, Assumed Health Care Cost Trend Rates

	2011		2010
ASSUMED HEALTH CARE COST TREND RATES AT DECEMBER 31:
Health-care cost trend rate	10.00	%	8.50	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend)	5.00	%	5.50	%
Year that the rate reaches the ultimate trend	2019		2016

	Sempra Energy
	Consolidated				SDG&E				SoCalGas
	1%		1%		1%		1%		1%		1%
(Dollars in millions)	Increase		Decrease		Increase		Decrease		Increase		Decrease
Effect on total of service and interest
cost components of net periodic
postretirement health care benefit cost	$	13	$	(10)	$	1	$	(1)	$	12	$	(9)
Effect on the health care component of the
accumulated other postretirement
benefit obligations	$	116	$	(95)	$	9	$	(8)	$	105	$	(85)

Schedule Of Defined Benefit Plans Fair Value Of Plan Assets By Level In Fair Value Hierarchy [Abstract]

Schedule Of Defined Benefit Plans, Fair Value Of Plan Assets By Level In Fair Value Hierarchy

FAIR VALUE MEASUREMENTS — SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
		At fair value as of December 31, 2011
PENSION PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
SDG&E (see table below)		$	466	$	244	$	7	$	717
SoCalGas (see table below)			919		484		15		1,418
Other Sempra Energy
Equity securities:
Domestic large-cap(1)			50		―		―		50
Domestic mid-cap(1)			10		―		―		10
Domestic small-cap(1)			12		―		―		12
Foreign large-cap			32		―		―		32
Foreign mid-cap			7		―		―		7
Foreign small-cap			6		―		―		6
Foreign preferred small-cap			1		―		―		1
Registered investment companies			1		―		―		1
Fixed income securities:
Domestic municipal bonds			―		2		―		2
Foreign government bonds			―		5		―		5
Domestic corporate bonds(2)			―		36		―		36
Foreign corporate bonds			―		12		―		12
Common/collective trusts(3)			―		6		―		6
Other types of investments:
Private equity funds(4) (stated at net asset value)			1		―		2		3
Total other Sempra Energy(5)			120		61		2		183
Total Sempra Energy Consolidated(6)		$	1,505	$	789	$	24	$	2,318
		At fair value as of December 31, 2010
PENSION PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
SDG&E (see table below)		$	450	$	245	$	8	$	703
SoCalGas (see table below)			924		501		17		1,442
Other Sempra Energy
Equity securities:
Domestic large-cap(1)			54		―		―		54
Domestic mid-cap(1)			11		―		―		11
Domestic small-cap(1)			12		―		―		12
Foreign emerging market funds			―		13		―		13
Foreign large-cap			31		―		―		31
Foreign mid-cap			8		―		―		8
Foreign small-cap			5		―		―		5
Fixed income securities:
U.S. Treasury securities			5		―		―		5
Other U.S. government securities			―		9		―		9
Domestic municipal bonds			―		2		―		2
Foreign government bonds			―		2		―		2
Domestic corporate bonds(2)			―		31		―		31
Foreign corporate bonds			―		9		―		9
Common/collective trusts(3)			―		3		―		3
Other types of investments:
Private equity funds(4) (stated at net asset value)			―		―		2		2
Total other Sempra Energy(7)			126		69		2		197
Total Sempra Energy Consolidated(6)		$	1,500	$	815	$	27	$	2,342
(1)	Investments in common stock of domestic corporations stratified according to the MSCI 2500 index.
(2)	Investment-grade bonds of U.S. issuers from diverse industries.
(3)	Investments in common/collective trusts held in Sempra Energy’s Pension Master Trust.
(4)	Investments in venture capital and real estate funds.
(5)	Excludes cash and cash equivalents of $1 million and transfers payable to other plans of $7 million.
(6)	Excludes cash and cash equivalents of $14 million and $12 million at December 31, 2011 and 2010, respectively.
(7)	Excludes transfers payable to other plans of $12 million.

FAIR VALUE MEASUREMENTS — SDG&E
(Dollars in millions)
		At fair value as of December 31, 2011
PENSION PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	199	$	―	$	―	$	199
Domestic mid-cap(1)			39		―		―		39
Domestic small-cap(1)			45		―		―		45
Foreign large-cap			125		―		―		125
Foreign mid-cap			31		―		―		31
Foreign small-cap			22		―		―		22
Foreign preferred large-cap			1		―		―		1
Registered investment companies			4		―		―		4
Fixed income securities:
Domestic municipal bonds			―		9		―		9
Foreign government bonds			―		25		―		25
Domestic corporate bonds(2)			―		139		―		139
Foreign corporate bonds			―		48		―		48
Common/collective trusts(3)			―		23		―		23
Other types of investments:
Private equity funds(4) (stated at net asset value)			―		―		7		7
Total investment assets(5)		$	466	$	244	$	7	$	717
		At fair value as of December 31, 2010
PENSION PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	198	$	―	$	―	$	198
Domestic mid-cap(1)			39		―		―		39
Domestic small-cap(1)			42		―		―		42
Foreign emerging market funds			―		46		―		46
Foreign large-cap			108		―		―		108
Foreign mid-cap			25		―		―		25
Foreign small-cap			19		―		―		19
Foreign preferred large-cap			1		―		―		1
Fixed income securities:
U.S. Treasury securities			18		―		―		18
Other U.S. government securities			―		32		―		32
Domestic municipal bonds			―		8		―		8
Foreign government bonds			―		9		―		9
Domestic corporate bonds(2)			―		111		―		111
Foreign corporate bonds			―		33		―		33
Common/collective trusts(3)			―		6		―		6
Other types of investments:
Private equity funds(4) (stated at net asset value)			―		―		8		8
Total investment assets(6)		$	450	$	245	$	8	$	703
(1)	Investments in common stock of domestic corporations stratified according to the MSCI 2500 index.
(2)	Investment-grade bonds of U.S. issuers from diverse industries.
(3)	Investments in common/collective trusts held in Sempra Energy’s Pension Master Trust.
(4)	Investments in venture capital and real estate funds.
(5)	Excludes cash and cash equivalents of $4 million and $9 million of transfers payable to other plans.
(6)	Excludes cash and cash equivalents of $4 million and transfers receivable from other plans of $6 million.

FAIR VALUE MEASUREMENTS — SOCALGAS
(Dollars in millions)
		At fair value as of December 31, 2011
PENSION PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	393	$	―	$	―	$	393
Domestic mid-cap(1)			76		―		―		76
Domestic small-cap(1)			89		―		―		89
Foreign large-cap			247		―		―		247
Foreign mid-cap			61		―		―		61
Foreign small-cap			43		―		―		43
Foreign preferred large-cap			1		―		―		1
Registered investment companies			8		―		―		8
Fixed income securities:
Domestic municipal bonds			―		18		―		18
Foreign government bonds			―		49		―		49
Domestic corporate bonds(2)			―		275		―		275
Foreign corporate bonds			―		96		―		96
Common/collective trusts(3)			―		46		―		46
Other types of investments:
Private equity funds(4) (stated at net asset value)			1		―		15		16
Total investment assets(5)		$	919	$	484	$	15	$	1,418
		At fair value as of December 31, 2010
PENSION PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	409	$	―	$	―	$	409
Domestic mid-cap(1)			80		―		―		80
Domestic small-cap(1)			86		―		―		86
Foreign emerging market funds			―		95		―		95
Foreign large-cap			221		―		―		221
Foreign mid-cap			52		―		―		52
Foreign small-cap			39		―		―		39
Foreign preferred large-cap			1		―		―		1
Fixed income securities:
U.S. Treasury securities			36		―		―		36
Other U.S. government securities			―		65		―		65
Domestic municipal bonds			―		16		―		16
Foreign government bonds			―		18		―		18
Domestic corporate bonds(2)			―		227		―		227
Foreign corporate bonds			―		67		―		67
Common/collective trusts(3)			―		13		―		13
Other types of investments:
Private equity funds(4) (stated at net asset value)			―		―		17		17
Total investment assets(6)		$	924	$	501	$	17	$	1,442
(1)	Investments in common stock of domestic corporations stratified according to the MSCI 2500 index.
(2)	Investment-grade bonds of U.S. issuers from diverse industries.
(3)	Investments in common/collective trusts held in Sempra Energy’s Pension Master Trust.
(4)	Investments in venture capital and real estate funds.
(5)	Excludes cash and cash equivalents of $9 million and transfers receivable from other plans of $16 million.
(6)	Excludes cash and cash equivalents of $8 million and transfers receivable from other plans of $6 million.

FAIR VALUE MEASUREMENTS — SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
		At fair value as of December 31, 2011
OTHER POSTRETIREMENT BENEFIT PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
SDG&E (see table below)		$	47	$	24	$	1	$	72
SoCalGas (see table below)			176		390		3		569
Other Sempra Energy
Equity securities:
Domestic large-cap(1)			4		―		―		4
Domestic mid-cap(1)			1		―		―		1
Domestic small-cap(1)			1		―		―		1
Foreign large-cap			2		―		―		2
Foreign small-cap			1		―		―		1
Fixed income securities:
Domestic corporate bonds(2)			―		4		―		4
Foreign government bonds			―		1		―		1
Foreign corporate bonds			―		1		―		1
Total other Sempra Energy(3)			9		6		―		15
Total Sempra Energy Consolidated(4)		$	232	$	420	$	4	$	656
		At fair value as of December 31, 2010
OTHER POSTRETIREMENT BENEFIT PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
SDG&E (see table below)		$	45	$	24	$	1	$	70
SoCalGas (see table below)			184		395		3		582
Other Sempra Energy
Equity securities:
Domestic large-cap(1)			3		―		―		3
Domestic mid-cap(1)			1		―		―		1
Domestic small-cap(1)			1		―		―		1
Foreign large-cap			2		―		―		2
Foreign mid-cap			1		―		―		1
Foreign small-cap			1		―		―		1
Fixed income securities:
U.S. Treasury securities			1		―		―		1
Domestic corporate bonds(2)			―		3		―		3
Total other Sempra Energy(5)			10		3		―		13
Total Sempra Energy Consolidated(6)		$	239	$	422	$	4	$	665
(1)	Investments in common stock of domestic corporations stratified according to the MSCI 2500 index.
(2)	Investment-grade bonds of U.S. issuers from diverse industries.
(3)	Excludes transfers payable to other plans of $1 million.
(4)	Excludes cash and cash equivalents of $122 million, $86 million and $36 million of which is held in SoCalGas and SDG&E
	PBOP plan trusts, respectively.
(5)	Excludes cash and cash equivalents of $2 million.
(6)	Excludes cash and cash equivalents of $81 million, $50 million and $29 million of which is held in SoCalGas and SDG&E
	PBOP plan trusts, respectively.

FAIR VALUE MEASUREMENTS — SDG&E
(Dollars in millions)
		At fair value as of December 31, 2011
OTHER POSTRETIREMENT BENEFIT PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	17	$	―	$	―	$	17
Domestic mid-cap(1)			3		―		―		3
Domestic small-cap(1)			4		―		―		4
Foreign large-cap			11		―		―		11
Foreign mid-cap			3		―		―		3
Foreign small-cap			2		―		―		2
Registered investment company			7		―		―		7
Fixed income securities:
Domestic municipal bonds(2)			―		4		―		4
Domestic corporate bonds(3)			―		12		―		12
Foreign government bonds			―		2		―		2
Foreign corporate bonds			―		4		―		4
Common/collective trusts(4)			―		2		―		2
Other types of investments:
Private equity funds(5) (stated at net asset value)			―		―		1		1
Total investment assets(6)		$	47	$	24	$	1	$	72
		At fair value as of December 31, 2010
OTHER POSTRETIREMENT BENEFIT PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	16	$	―	$	―	$	16
Domestic mid-cap(1)			3		―		―		3
Domestic small-cap(1)			3		―		―		3
Foreign emerging market funds			―		4		―		4
Foreign large-cap			8		―		―		8
Foreign mid-cap			2		―		―		2
Foreign small-cap			1		―		―		1
Registered investment company			11		―		―		11
Fixed income securities:
U.S. Treasury securities			1		―		―		1
Other U.S. government securities			―		2		―		2
Foreign government bonds			―		1		―		1
Domestic municipal bonds(2)			―		6		―		6
Domestic corporate bonds(3)			―		9		―		9
Foreign corporate bonds			―		2		―		2
Other types of investments:
Private equity funds(5) (stated at net asset value)			―		―		1		1
Total investment assets(7)		$	45	$	24	$	1	$	70
(1)	Investments in common stock of domestic corporations stratified according to the MSCI 2500 index.
(2)	Bonds of California municipalities held in SDG&E PBOP plan trusts.
(3)	Investment-grade bonds of U.S. issuers from diverse industries.
(4)	Investment in common/collective trusts held in PBOP plan VEBA trusts.
(5)	Investments in venture capital and real estate funds.
(6)	Excludes cash and cash equivalents of $36 million, all of which is held in SDG&E PBOP plan trusts, and transfers payable to other plans of $2 million.
(7)	Excludes cash and cash equivalents of $29 million, all of which is held in SDG&E PBOP plan trusts.

FAIR VALUE MEASUREMENTS — SOCALGAS
(Dollars in millions)
		At fair value as of December 31, 2011
OTHER POSTRETIREMENT BENEFIT PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	75	$	―	$	―	$	75
Domestic mid-cap(1)			15		―		―		15
Domestic small-cap(1)			17		―		―		17
Foreign large-cap			47		―		―		47
Foreign mid-cap			12		―		―		12
Foreign small-cap			8		―		―		8
Registered investment company			2		―		―		2
Fixed income securities:
Domestic municipal bonds			―		3		―		3
Foreign government bonds			―		9		―		9
Domestic corporate bonds(2)			―		52		―		52
Foreign corporate bonds			―		18		―		18
Common/collective trusts(3)			―		308		―		308
Other types of investments:
Private equity funds(4) (stated at net asset value)			―		―		3		3
Total investment assets(5)		$	176	$	390	$	3	$	569
		At fair value as of December 31, 2010
OTHER POSTRETIREMENT BENEFIT PLANS - INVESTMENT ASSETS			Level 1		Level 2		Level 3		Total
Equity securities:
Domestic large-cap(1)		$	82	$	―	$	―	$	82
Domestic mid-cap(1)			16		―		―		16
Domestic small-cap(1)			17		―		―		17
Foreign emerging market funds			―		19		―		19
Broad market fund(6)			―		220		―		220
Foreign large-cap			44		―		―		44
Foreign mid-cap			10		―		―		10
Foreign small-cap			8		―		―		8
Fixed income securities:
U.S. Treasury securities			7		―		―		7
Other U.S. government securities			―		14		―		14
Domestic municipal bonds			―		3		―		3
Foreign government bonds			―		3		―		3
Domestic corporate bonds(2)			―		45		―		45
Foreign corporate bonds			―		14		―		14
Common/collective trusts(3)			―		77		―		77
Other types of investments:
Private equity funds(4) (stated at net asset value)			―		―		3		3
Total investment assets(7)		$	184	$	395	$	3	$	582
(1)	Investments in common stock of domestic corporations stratified according to the MSCI 2500 index.
(2)	Investment-grade bonds of U.S. issuers from diverse industries.
(3)	Investments in common/collective trusts held in PBOP plan VEBA trusts.
(4)	Investments in venture capital and real estate funds.
(5)	Excludes cash and cash equivalents of $86 million, all of which is held in SoCalGas PBOP plan trusts, and transfers receivable from other plans of $3 million.
(6)	A passively managed broad market fund held in SoCalGas PBOP plan trusts.
(7)	Excludes cash and cash equivalents of $50 million, all of which is held in SoCalGas PBOP plan trusts.

Schedule Of Defined Benefit Plans Level 3 Investment Plan Assets [Abstract]

Schedule Of Defined Benefit Plans, Level 3 Investment Plan Assets

	Private Equity Funds
	2011				2010
(Dollars in millions)	SDG&E	SoCalGas	All Other	Sempra Energy Consolidated	SDG&E	SoCalGas	All Other	Sempra Energy Consolidated
PENSION PLANS
Total Level 3 investment assets	$7	$15	$2	$24	$8	$17	$2	$27
Percentage of total investment assets	1%	1%	-%	1%	1%	1%	-%	1%
OTHER POSTRETIREMENT BENEFIT PLANS
Total Level 3 investment assets	$1	$3	$-	$4	$1	$3	$-	$4
Percentage of total investment assets	1%	-%	-%	1%	1%	-%	-%	1%

Schedule Of Defined Benefit Plans Level 3 Reconciliations [Abstract]

Schedule Of Defined Benefit Plans, Level 3 Reconciliations

LEVEL 3 RECONCILIATIONS
(Dollars in millions)
	Private Equity Funds
		SDG&E		SoCalGas		All Other		Sempra Energy Consolidated
PENSION PLANS
Balance as of January 1, 2010	$	9	$	19	$	2	$	30
Actual returns on plan assets		―		1		―		1
Purchases		―		1		―		1
Sales		(1)		(4)		―		(5)
Balance as of December 31, 2010		8		17		2		27
Realized gains		1		1		―		2
Purchases		―		1		―		1
Sales		(2)		(4)		―		(6)
Balance as of December 31, 2011	$	7	$	15	$	2	$	24
OTHER POSTRETIREMENT BENEFIT PLANS
Balance as of January 1, 2010	$	1	$	4	$	―	$	5
Sales		―		(1)		―		(1)
Balance as of December 31, 2010 and 2011	$	1	$	3	$	―	$	4

Schedule Of Defined Benefit Plans Estimated Future Employer Contributions In Next Fiscal Year [Abstract]

Schedule Of Defined Benefit Plans, Estimated Future Employer Contributions In Next Fiscal Year

	Sempra Energy
(Dollars in millions)	Consolidated		SDG&E		SoCalGas
Pension plans	$	215	$	67	$	113
Other postretirement benefit plans		59		14		40

Schedule Of Defined Benefit Plans Estimated Future Benefit Payments [Abstract]

Schedule Of Defined Benefit Plans, Estimated Future Benefit Payments

	Sempra Energy Consolidated				SDG&E				SoCalGas
			Other				Other				Other
	Pension		Postretirement		Pension		Postretirement		Pension		Postretirement
(Dollars in millions)	Benefits		Benefits		Benefits		Benefits		Benefits		Benefits
2012	$	302	$	49	$	89	$	7	$	173	$	37
2013		309		52		91		8		183		40
2014		313		56		91		9		185		43
2015		304		60		89		10		179		46
2016		302		64		82		11		182		49
2017-2021		1,344		373		377		67		806		283

Schedule Of Defined Benefit Plans Contributions To Savings Plans [Abstract]

Schedule Of Defined Benefit Plans, Contributions To Savings Plans

(Dollars in millions)	2011		2010		2009
Sempra Energy Consolidated	$	32	$	31	$	31
SDG&E		14		14		13
SoCalGas		14		13		13