CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2014	Dec. 31, 2013		Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 667,000,000	$ 904,000,000	[1]	$ 1,061,000,000
Restricted cash	22,000,000	24,000,000	[1]
Trade accounts receivable	1,055,000,000	1,308,000,000	[1]
Other accounts and notes receivable	209,000,000	214,000,000	[1]
Due from unconsolidated affiliates	3,000,000	4,000,000	[1]
Income taxes receivable	91,000,000	85,000,000	[1]
Deferred income taxes, net current assets	452,000,000	301,000,000	[1]
Inventories	472,000,000	287,000,000	[1]
Regulatory balancing accounts, undercollected	821,000,000	556,000,000	[1]
Other regulatory assets	59,000,000	38,000,000	[1]
Fixed-price contracts and other derivatives, current assets	83,000,000	106,000,000	[1]
Assets held for sale, power plant	293,000,000	0
Other current assets	187,000,000	170,000,000	[1]
Total current assets	4,414,000,000	3,997,000,000	[1]
Investments And Other Assets [Abstract]
Restricted cash, noncurrent	10,000,000	25,000,000	[1]
Due from unconsolidated affiliate	133,000,000	14,000,000	[1]
Regulatory assets arising from pension and other postretirement benefit obligations	435,000,000	435,000,000	[1]
Other regulatory assets	2,048,000,000	2,113,000,000	[1]
Nuclear decommissioning trusts	1,087,000,000	1,034,000,000	[1]
Other investments	1,797,000,000	1,575,000,000	[1]
Goodwill	951,000,000	1,024,000,000	[1]
Other intangible assets	418,000,000	426,000,000	[1]
Sundry	1,280,000,000	1,141,000,000	[1]
Total investments and other assets	8,159,000,000	7,787,000,000	[1]
Property, plant and equipment:
Property, plant and equipment	35,829,000,000	34,407,000,000	[1]
Less accumulated depreciation and amortization	(9,420,000,000)	(8,947,000,000)	[1]
Property, plant and equipment, net	26,409,000,000	25,460,000,000	[1]
Total assets	38,982,000,000	37,244,000,000	[1]
Current liabilities:
Short-term debt	1,309,000,000	545,000,000	[1]
Accounts payable - trade	1,153,000,000	1,088,000,000	[1]
Accounts payable - other	129,000,000	127,000,000	[1]
Dividends and interest payable	327,000,000	271,000,000	[1]
Accrued compensation and benefits	345,000,000	376,000,000	[1]
Regulatory balancing accounts, overcollected		91,000,000	[1]	0
Current portion of long-term debt	188,000,000	1,147,000,000	[1]
Fixed-price contracts and other derivatives, current liabilities	49,000,000	55,000,000	[1]
Customer deposits	149,000,000	154,000,000	[1]
Other current liabilities	643,000,000	515,000,000	[1]
Total current liabilities	4,292,000,000	4,369,000,000	[1]
Long-term debt	12,437,000,000	11,253,000,000	[1]
Deferred Credits And Other Liabilities [Abstract]
Customer advances for construction	144,000,000	155,000,000	[1]
Pension and other postretirement benefit obligations, net of plan assets	659,000,000	667,000,000	[1]
Deferred income taxes, net noncurrent liabilities	3,113,000,000	2,804,000,000	[1]
Deferred investment tax credits	38,000,000	42,000,000	[1]
Regulatory liabilities arising from removal obligations	2,725,000,000	2,623,000,000	[1]
Asset retirement obligations	2,043,000,000	2,084,000,000	[1]
Fixed-price contracts and other derivatives, noncurrent liabilities	220,000,000	228,000,000	[1]
Deferred credits and other	1,154,000,000	1,169,000,000	[1]
Total deferred credits and other liabilities	10,096,000,000	9,772,000,000	[1]
Equity:
Preferred stock	0	0	[1]
Common stock	2,499,000,000	2,409,000,000	[1]
Retained earnings	9,205,000,000	8,827,000,000	[1]
Accumulated other comprehensive income (loss)	(371,000,000)	(228,000,000)	[1]
Total shareholders' equity	11,333,000,000	11,008,000,000	[1]
Preferred stock of subsidiaries	20,000,000	20,000,000	[1]
Other noncontrolling interests	804,000,000	822,000,000	[1]
Total equity	12,157,000,000	11,850,000,000	[1]	11,754,000,000
Total liabilities and equity	38,982,000,000	37,244,000,000	[1]
San Diego Gas and Electric Company and Subsidiary [Member]
Current assets:
Cash and cash equivalents	33,000,000	27,000,000	[1]	167,000,000
Restricted cash	8,000,000	6,000,000	[1]
Trade accounts receivable	389,000,000	266,000,000	[1]
Other accounts and notes receivable	27,000,000	28,000,000	[1]
Due from unconsolidated affiliates	1,000,000	1,000,000	[1]
Income taxes receivable	0	32,000,000	[1]
Deferred income taxes, net current assets	0	103,000,000	[1]
Inventories	70,000,000	86,000,000	[1]
Regulatory balancing accounts, undercollected	772,000,000	556,000,000	[1]
Other regulatory assets	52,000,000	29,000,000	[1]
Fixed-price contracts and other derivatives, current assets	38,000,000	61,000,000	[1]
Other current assets	92,000,000	75,000,000	[1]
Total current assets	1,482,000,000	1,270,000,000	[1]
Investments And Other Assets [Abstract]
Restricted cash, noncurrent	10,000,000	25,000,000	[1]
Deferred taxes recoverable in rates	787,000,000	788,000,000	[1]
Regulatory assets arising from fixed-price contracts and other derivatives - noncurrent	39,000,000	63,000,000	[1]
Regulatory assets arising from pension and other postretirement benefit obligations	92,000,000	106,000,000	[1]
Other regulatory assets	815,000,000	991,000,000	[1]
Nuclear decommissioning trusts	1,087,000,000	1,034,000,000	[1]
Sundry	340,000,000	254,000,000	[1]
Total investments and other assets	3,170,000,000	3,261,000,000	[1]
Property, plant and equipment:
Property, plant and equipment	15,086,000,000	14,346,000,000	[1]
Less accumulated depreciation and amortization	(3,763,000,000)	(3,500,000,000)	[1]
Property, plant and equipment, net	11,323,000,000	10,846,000,000	[1]
Total assets	15,975,000,000	15,377,000,000	[1]
Current liabilities:
Short-term debt	0	59,000,000	[1]
Accounts payable - trade	402,000,000	420,000,000	[1]
Due to unconsolidated affiliates	36,000,000	39,000,000	[1]
Income taxes payable	8,000,000	0	[1]
Deferred income taxes, net current liabilities	41,000,000	0	[1]
Dividends and interest payable	51,000,000	39,000,000	[1]
Accrued compensation and benefits	111,000,000	113,000,000	[1]
Current portion of long-term debt	115,000,000	29,000,000	[1]
Fixed-price contracts and other derivatives, current liabilities	38,000,000	38,000,000	[1]
Customer deposits	69,000,000	71,000,000	[1]
Other current liabilities	398,000,000	271,000,000	[1]
Total current liabilities	1,269,000,000	1,079,000,000	[1]
Long-term debt	4,573,000,000	4,525,000,000	[1]
Deferred Credits And Other Liabilities [Abstract]
Customer advances for construction	40,000,000	34,000,000	[1]
Pension and other postretirement benefit obligations, net of plan assets	120,000,000	132,000,000	[1]
Deferred income taxes, net noncurrent liabilities	2,054,000,000	2,021,000,000	[1]
Deferred investment tax credits	22,000,000	24,000,000	[1]
Regulatory liabilities arising from removal obligations	1,535,000,000	1,403,000,000	[1]
Asset retirement obligations	759,000,000	861,000,000	[1]
Fixed-price contracts and other derivatives, noncurrent liabilities	155,000,000	175,000,000	[1]
Deferred credits and other	362,000,000	404,000,000	[1]
Total deferred credits and other liabilities	5,047,000,000	5,054,000,000	[1]
Equity:
Common stock	1,338,000,000	1,338,000,000	[1]
Retained earnings	3,678,000,000	3,299,000,000	[1]
Accumulated other comprehensive income (loss)	(7,000,000)	(9,000,000)	[1]
Total shareholders' equity	5,009,000,000	4,628,000,000	[1]
Other noncontrolling interests	77,000,000	91,000,000	[1]
Total equity	5,086,000,000	4,719,000,000	[1]	4,588,000,000
Total liabilities and equity	15,975,000,000	15,377,000,000	[1]
Southern California Gas Company [Member]
Current assets:
Cash and cash equivalents	25,000,000	27,000,000	[1]	15,000,000
Trade accounts receivable	324,000,000	595,000,000	[1]
Other accounts and notes receivable	55,000,000	97,000,000	[1]
Due from unconsolidated affiliates	274,000,000	21,000,000	[1]
Income taxes receivable	29,000,000	25,000,000	[1]
Inventories	221,000,000	69,000,000	[1]
Regulatory balancing accounts, undercollected	49,000,000	0	[1]
Other regulatory assets	6,000,000	5,000,000	[1]
Other current assets	35,000,000	34,000,000	[1]
Total current assets	1,018,000,000	873,000,000	[1]
Investments And Other Assets [Abstract]
Regulatory assets arising from pension and other postretirement benefit obligations	341,000,000	326,000,000	[1]
Other regulatory assets	399,000,000	262,000,000	[1]
Other post retirement benefit assets, net of plan liabilities	93,000,000	95,000,000	[1]
Sundry	137,000,000	124,000,000	[1]
Total investments and other assets	970,000,000	807,000,000	[1]
Property, plant and equipment:
Property, plant and equipment	12,542,000,000	11,831,000,000	[1]
Less accumulated depreciation and amortization	(4,576,000,000)	(4,364,000,000)	[1]
Property, plant and equipment, net	7,966,000,000	7,467,000,000	[1]
Total assets	9,954,000,000	9,147,000,000	[1]
Current liabilities:
Short-term debt	0	42,000,000	[1]
Accounts payable - trade	336,000,000	346,000,000	[1]
Accounts payable - other	83,000,000	79,000,000	[1]
Due to unconsolidated affiliates	0	16,000,000	[1]
Deferred income taxes, net current liabilities	164,000,000	45,000,000	[1]
Accrued compensation and benefits	131,000,000	141,000,000	[1]
Regulatory balancing accounts, overcollected	0	91,000,000	[1]
Current portion of long-term debt	0	252,000,000	[1]
Customer deposits	74,000,000	75,000,000	[1]
Other current liabilities	125,000,000	125,000,000	[1]
Total current liabilities	913,000,000	1,212,000,000	[1]
Long-term debt	1,906,000,000	1,159,000,000	[1]
Deferred Credits And Other Liabilities [Abstract]
Customer advances for construction	102,000,000	108,000,000	[1]
Pension and other postretirement benefit obligations, net of plan assets	357,000,000	339,000,000	[1]
Deferred income taxes, net noncurrent liabilities	1,050,000,000	993,000,000	[1]
Deferred investment tax credits	16,000,000	18,000,000	[1]
Regulatory liabilities arising from removal obligations	1,173,000,000	1,205,000,000	[1]
Asset retirement obligations	1,245,000,000	1,182,000,000	[1]
Deferred credits and other	292,000,000	287,000,000	[1]
Regulatory liabilities arising from other post retirement benefit assets	93,000,000	95,000,000	[1]
Total deferred credits and other liabilities	4,328,000,000	4,227,000,000	[1]
Equity:
Preferred stock	22,000,000	22,000,000	[1]
Common stock	866,000,000	866,000,000	[1]
Retained earnings	1,935,000,000	1,679,000,000	[1]
Accumulated other comprehensive income (loss)	(16,000,000)	(18,000,000)	[1]
Total shareholders' equity	2,807,000,000	2,549,000,000	[1]
Total equity	2,807,000,000	2,549,000,000	[1]	2,452,000,000
Total liabilities and equity	$ 9,954,000,000	$ 9,147,000,000	[1]

[1] Derived from audited financial statements.