CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2015		Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 377,000,000		$ 570,000,000	[1]
Restricted cash	10,000,000		11,000,000	[1]
Trade accounts receivable	1,081,000,000		1,242,000,000	[1]
Other accounts and notes receivable	175,000,000		152,000,000	[1]
Due from unconsolidated affiliates	5,000,000		38,000,000	[1]
Income taxes receivable	53,000,000		45,000,000	[1]
Deferred income taxes, net current assets	244,000,000		305,000,000	[1]
Inventories	255,000,000		396,000,000	[1]
Regulatory balancing accounts, undercollected	718,000,000		746,000,000	[1]
Fixed-price contracts and other derivatives, current assets	89,000,000		93,000,000	[1]
Assets held for sale, power plant	295,000,000		293,000,000	[1]
Other current assets	354,000,000		293,000,000	[1]
Total current assets	3,656,000,000		4,184,000,000	[1]
Investments And Other Assets [Abstract]
Restricted cash, noncurrent	23,000,000		29,000,000	[1]
Due from unconsolidated affiliate	195,000,000		188,000,000	[1]
Other regulatory assets	3,046,000,000		3,031,000,000	[1]
Nuclear decommissioning trusts	1,150,000,000		1,131,000,000	[1]
Other investments	2,772,000,000		2,848,000,000	[1]
Goodwill	903,000,000		931,000,000	[1]
Other intangible assets	412,000,000		415,000,000	[1]
Sundry	682,000,000		561,000,000	[1]
Dedicated assets in support of certain benefit plans	476,000,000		512,000,000	[1]
Total investments and other assets	9,659,000,000		9,646,000,000	[1]
Property, plant and equipment:
Property, plant and equipment	35,901,000,000		35,407,000,000	[1]
Less accumulated depreciation and amortization	(9,665,000,000)		(9,505,000,000)	[1]
Property, plant and equipment, net	26,236,000,000		25,902,000,000	[1]
Total assets	39,551,000,000		39,732,000,000	[1]
Current liabilities:
Short-term debt	795,000,000		1,733,000,000	[1]
Accounts payable - trade	907,000,000		1,198,000,000	[1]
Accounts payable - other	137,000,000		155,000,000	[1]
Due to unconsolidated affiliates	0		2,000,000	[1]
Dividends and interest payable	344,000,000		282,000,000	[1]
Accrued compensation and benefits	238,000,000		373,000,000	[1]
Current portion of long-term debt	477,000,000		469,000,000	[1]
Fixed-price contracts and other derivatives, current liabilities	50,000,000		55,000,000	[1]
Customer deposits	155,000,000		153,000,000	[1]
Other current liabilities	667,000,000		649,000,000	[1]
Total current liabilities	3,770,000,000		5,069,000,000	[1]
Long-term debt	13,012,000,000		12,167,000,000	[1]
Deferred Credits And Other Liabilities [Abstract]
Customer advances for construction	144,000,000		144,000,000	[1]
Pension and other postretirement benefit obligations, net of plan assets	1,077,000,000		1,064,000,000	[1]
Deferred income taxes, net noncurrent liabilities	3,019,000,000		3,003,000,000	[1]
Deferred investment tax credits	35,000,000		37,000,000	[1]
Regulatory liabilities arising from removal obligations	2,755,000,000		2,741,000,000	[1]
Asset retirement obligations	2,066,000,000		2,048,000,000	[1]
Fixed-price contracts and other derivatives, noncurrent liabilities	274,000,000		255,000,000	[1]
Deferred credits and other	1,118,000,000		1,104,000,000	[1]
Total deferred credits and other liabilities	10,488,000,000		10,396,000,000	[1]
Equity:
Preferred stock	0		0	[1]
Common stock	2,514,000,000		2,484,000,000	[1]
Retained earnings	9,603,000,000		9,339,000,000	[1]
Accumulated other comprehensive income (loss)	(613,000,000)	[2]	(497,000,000)	[1],[2]
Total shareholders' equity	11,504,000,000		11,326,000,000	[1]
Preferred stock of subsidiaries	20,000,000		20,000,000	[1]
Other noncontrolling interests	757,000,000		754,000,000	[1]
Total equity	12,281,000,000		12,100,000,000	[1]
Total liabilities and equity	39,551,000,000		39,732,000,000	[1]
San Diego Gas and Electric Company [Member]
Current assets:
Cash and cash equivalents	23,000,000		8,000,000	[1]
Restricted cash	7,000,000		8,000,000	[1]
Trade accounts receivable	297,000,000		285,000,000	[1]
Other accounts and notes receivable	36,000,000		35,000,000	[1]
Due from unconsolidated affiliates	41,000,000		1,000,000	[1]
Inventories	69,000,000		73,000,000	[1]
Regulatory balancing accounts, undercollected	659,000,000		711,000,000	[1]
Other regulatory assets	101,000,000		54,000,000	[1]
Fixed-price contracts and other derivatives, current assets	44,000,000		44,000,000	[1]
Other current assets	107,000,000		125,000,000	[1]
Total current assets	1,384,000,000		1,344,000,000	[1]
Investments And Other Assets [Abstract]
Restricted cash, noncurrent	12,000,000		11,000,000	[1]
Deferred taxes recoverable in rates	833,000,000		824,000,000	[1]
Other regulatory assets	1,015,000,000		1,086,000,000	[1]
Nuclear decommissioning trusts	1,150,000,000		1,131,000,000	[1]
Sundry	369,000,000		282,000,000	[1]
Total investments and other assets	3,379,000,000		3,334,000,000	[1]
Property, plant and equipment:
Property, plant and equipment	15,643,000,000		15,478,000,000	[1]
Less accumulated depreciation and amortization	(3,921,000,000)		(3,860,000,000)	[1]
Property, plant and equipment, net	11,722,000,000		11,618,000,000	[1]
Total assets	16,485,000,000		16,296,000,000	[1]
Current liabilities:
Short-term debt	0		246,000,000	[1]
Accounts payable - trade	310,000,000		441,000,000	[1]
Due to unconsolidated affiliates	2,000,000		21,000,000	[1]
Income taxes payable	30,000,000		30,000,000	[1]
Deferred income taxes, net current liabilities	114,000,000		53,000,000	[1]
Accrued compensation and benefits	66,000,000		124,000,000	[1]
Current portion of long-term debt	401,000,000		365,000,000	[1]
Fixed-price contracts and other derivatives, current liabilities	38,000,000		40,000,000	[1]
Customer deposits	72,000,000		71,000,000	[1]
Other current liabilities	242,000,000		237,000,000	[1]
Interest payable	51,000,000		40,000,000	[1]
Asset Retirement Obligation Current	105,000,000		120,000,000	[1]
Total current liabilities	1,431,000,000		1,788,000,000	[1]
Long-term debt	4,668,000,000		4,319,000,000	[1]
Deferred Credits And Other Liabilities [Abstract]
Customer advances for construction	41,000,000		41,000,000	[1]
Pension and other postretirement benefit obligations, net of plan assets	220,000,000		216,000,000	[1]
Deferred income taxes, net noncurrent liabilities	2,122,000,000		2,121,000,000	[1]
Deferred investment tax credits	21,000,000		22,000,000	[1]
Regulatory liabilities arising from removal obligations	1,587,000,000		1,557,000,000	[1]
Asset retirement obligations	746,000,000		754,000,000	[1]
Fixed-price contracts and other derivatives, noncurrent liabilities	151,000,000		153,000,000	[1]
Deferred credits and other	360,000,000		333,000,000	[1]
Total deferred credits and other liabilities	5,248,000,000		5,197,000,000	[1]
Equity:
Common stock	1,338,000,000		1,338,000,000	[1]
Retained earnings	3,753,000,000		3,606,000,000	[1]
Accumulated other comprehensive income (loss)	(12,000,000)		(12,000,000)	[1]
Total shareholders' equity	5,079,000,000		4,932,000,000	[1]
Other noncontrolling interests	59,000,000		60,000,000	[1]
Total equity	5,138,000,000		4,992,000,000
Total liabilities and equity	16,485,000,000		16,296,000,000	[1]
Southern California Gas Company [Member]
Current assets:
Cash and cash equivalents	21,000,000		85,000,000	[1]
Trade accounts receivable	437,000,000		586,000,000	[1]
Other accounts and notes receivable	68,000,000		51,000,000	[1]
Due from unconsolidated affiliates	61,000,000		4,000,000	[1]
Income taxes receivable	0		5,000,000	[1]
Inventories	109,000,000		181,000,000	[1]
Regulatory balancing accounts, undercollected	59,000,000		35,000,000	[1]
Other regulatory assets	6,000,000		5,000,000	[1]
Other current assets	62,000,000		36,000,000	[1]
Total current assets	823,000,000		988,000,000	[1]
Investments And Other Assets [Abstract]
Regulatory assets arising from pension and other postretirement benefit obligations	633,000,000		617,000,000	[1]
Other regulatory assets	532,000,000		472,000,000	[1]
Other post retirement benefit assets, net of plan liabilities	4,000,000		4,000,000	[1]
Sundry	147,000,000		136,000,000	[1]
Total investments and other assets	1,316,000,000		1,229,000,000	[1]
Property, plant and equipment:
Property, plant and equipment	13,130,000,000		12,886,000,000	[1]
Less accumulated depreciation and amortization	(4,706,000,000)		(4,642,000,000)	[1]
Property, plant and equipment, net	8,424,000,000		8,244,000,000	[1]
Total assets	10,563,000,000		10,461,000,000	[1]
Current liabilities:
Short-term debt	0		50,000,000	[1]
Accounts payable - trade	344,000,000		532,000,000	[1]
Accounts payable - other	84,000,000		88,000,000	[1]
Due to unconsolidated affiliates	0		13,000,000	[1]
Income taxes payable	100,000,000		0	[1]
Deferred income taxes, net current liabilities	56,000,000		53,000,000	[1]
Accrued compensation and benefits	104,000,000		129,000,000	[1]
Customer deposits	75,000,000		75,000,000	[1]
Other current liabilities	148,000,000		149,000,000	[1]
Total current liabilities	911,000,000		1,089,000,000	[1]
Long-term debt	1,906,000,000		1,906,000,000	[1]
Deferred Credits And Other Liabilities [Abstract]
Customer advances for construction	101,000,000		102,000,000	[1]
Pension and other postretirement benefit obligations, net of plan assets	650,000,000		633,000,000	[1]
Deferred income taxes, net noncurrent liabilities	1,249,000,000		1,212,000,000	[1]
Deferred investment tax credits	15,000,000		16,000,000	[1]
Regulatory liabilities arising from removal obligations	1,150,000,000		1,167,000,000	[1]
Asset retirement obligations	1,280,000,000		1,255,000,000	[1]
Deferred credits and other	306,000,000		300,000,000	[1]
Total deferred credits and other liabilities	4,751,000,000		4,685,000,000	[1]
Equity:
Preferred stock	22,000,000		22,000,000	[1]
Common stock	866,000,000		866,000,000	[1]
Retained earnings	2,125,000,000		1,911,000,000	[1]
Accumulated other comprehensive income (loss)	(18,000,000)		(18,000,000)	[1]
Total shareholders' equity	2,995,000,000		2,781,000,000	[1]
Total equity	2,995,000,000		2,781,000,000
Total liabilities and equity	$ 10,563,000,000		$ 10,461,000,000	[1]

[1] Derived from audited financial statements.

[2] All amounts are net of income tax, if subject to tax, and exclude noncontrolling interests.