CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2018	Dec. 31, 2017	[1]
Current assets:
Cash and cash equivalents	$ 239,000,000	$ 288,000,000
Restricted cash	54,000,000	62,000,000
Accounts receivable – trade, net	1,328,000,000	1,307,000,000
Accounts receivable – other, net	353,000,000	277,000,000
Due from unconsolidated affiliates	63,000,000	37,000,000
Income taxes receivable	118,000,000	110,000,000
Inventories	285,000,000	307,000,000
Regulatory assets	241,000,000	325,000,000
Fixed-price contracts and other derivatives	111,000,000	66,000,000
Greenhouse gas allowances	301,000,000	299,000,000
Assets held for sale	135,000,000	127,000,000
Other	166,000,000	136,000,000
Total current assets	3,394,000,000	3,341,000,000
Other assets:
Restricted cash	14,000,000	14,000,000
Due from unconsolidated affiliates	666,000,000	598,000,000
Regulatory assets	1,597,000,000	1,517,000,000
Nuclear decommissioning trusts	1,017,000,000	1,033,000,000
Investment in Oncor Holdings	9,176,000,000	0
Other investments	2,590,000,000	2,527,000,000
Goodwill	2,406,000,000	2,397,000,000
Other intangible assets	596,000,000	596,000,000
Dedicated assets in support of certain benefit plans	421,000,000	455,000,000
Insurance receivable for Aliso Canyon costs	447,000,000	418,000,000
Deferred income taxes	117,000,000	170,000,000
Greenhouse gas allowances	154,000,000	93,000,000
Sundry	865,000,000	792,000,000
Total other assets	20,066,000,000	10,610,000,000
Property, plant and equipment:
Property, plant and equipment	48,857,000,000	48,108,000,000
Less accumulated depreciation and amortization	(11,832,000,000)	(11,605,000,000)
Property, plant and equipment, net	37,025,000,000	36,503,000,000
Total assets	60,485,000,000	50,454,000,000
Current liabilities:
Short-term debt	3,665,000,000	1,540,000,000
Accounts payable – trade	1,057,000,000	1,350,000,000
Accounts payable – other	148,000,000	173,000,000
Due to unconsolidated affiliates	6,000,000	7,000,000
Dividends and interest payable	494,000,000	342,000,000
Accrued compensation and benefits	253,000,000	439,000,000
Regulatory liabilities	210,000,000	109,000,000
Current portion of long-term debt	1,871,000,000	1,427,000,000
Fixed-price contracts and other derivatives	69,000,000	109,000,000
Customer deposits	164,000,000	162,000,000
Reserve for Aliso Canyon costs	122,000,000	84,000,000
Greenhouse gas obligations	301,000,000	299,000,000
Liabilities held for sale	52,000,000	49,000,000
Other	697,000,000	545,000,000
Total current liabilities	9,109,000,000	6,635,000,000
Long-term debt	20,863,000,000	16,445,000,000
Deferred credits and other liabilities:
Customer advances for construction	149,000,000	150,000,000
Due to unconsolidated affiliates	35,000,000	35,000,000
Pension and other postretirement benefit plan obligations, net of plan assets	1,215,000,000	1,148,000,000
Deferred income taxes	2,654,000,000	2,767,000,000
Deferred investment tax credits	26,000,000	28,000,000
Regulatory liabilities	3,922,000,000	3,922,000,000
Asset retirement obligations	2,766,000,000	2,732,000,000
Fixed-price contracts and other derivatives	275,000,000	316,000,000
Greenhouse gas obligations	19,000,000	0
Deferred credits and other	1,147,000,000	1,136,000,000
Total deferred credits and other liabilities	12,208,000,000	12,234,000,000
Commitments and contingencies (Note 11)
Equity:
Preferred stock	1,693,000,000	0
Common stock	4,436,000,000	3,149,000,000
Retained earnings	10,260,000,000	10,147,000,000
Accumulated other comprehensive income (loss)	(545,000,000)	(626,000,000)
Total shareholders’ equity	15,844,000,000	12,670,000,000
Preferred stock of subsidiary	20,000,000	20,000,000
Other noncontrolling interests	2,441,000,000	2,450,000,000
Total equity	18,305,000,000	15,140,000,000
Total liabilities and equity	60,485,000,000	50,454,000,000
San Diego Gas and Electric Company [Member]
Current assets:
Cash and cash equivalents	9,000,000	12,000,000
Restricted cash	5,000,000	6,000,000
Accounts receivable – trade, net	376,000,000	362,000,000
Accounts receivable – other, net	89,000,000	79,000,000
Inventories	106,000,000	105,000,000
Prepaid expenses	39,000,000	58,000,000
Regulatory assets	233,000,000	316,000,000
Fixed-price contracts and other derivatives	32,000,000	42,000,000
Greenhouse gas allowances	116,000,000	116,000,000
Other	25,000,000	4,000,000
Total current assets	1,030,000,000	1,100,000,000
Other assets:
Restricted cash	11,000,000	11,000,000
Regulatory assets	483,000,000	451,000,000
Nuclear decommissioning trusts	1,017,000,000	1,033,000,000
Greenhouse gas allowances	113,000,000	83,000,000
Sundry	301,000,000	328,000,000
Total other assets	1,925,000,000	1,906,000,000
Property, plant and equipment:
Property, plant and equipment	20,082,000,000	19,787,000,000
Less accumulated depreciation and amortization	(5,020,000,000)	(4,949,000,000)
Property, plant and equipment, net	15,062,000,000	14,838,000,000
Total assets	18,017,000,000	17,844,000,000
Current liabilities:
Short-term debt	340,000,000	253,000,000
Accounts payable – trade	369,000,000	501,000,000
Due to unconsolidated affiliates	43,000,000	40,000,000
Interest payable	52,000,000	41,000,000
Accrued compensation and benefits	59,000,000	122,000,000
Regulatory liabilities	8,000,000	18,000,000
Accrued franchise fees	57,000,000	59,000,000
Current portion of long-term debt	220,000,000	220,000,000
Asset retirement obligations	87,000,000	77,000,000
Fixed-price contracts and other derivatives	57,000,000	60,000,000
Customer deposits	69,000,000	69,000,000
Greenhouse gas obligations	116,000,000	116,000,000
Other	139,000,000	46,000,000
Total current liabilities	1,616,000,000	1,622,000,000
Long-term debt	5,313,000,000	5,335,000,000
Deferred credits and other liabilities:
Customer advances for construction	54,000,000	57,000,000
Pension and other postretirement benefit plan obligations, net of plan assets	202,000,000	182,000,000
Deferred income taxes	1,496,000,000	1,530,000,000
Deferred investment tax credits	17,000,000	18,000,000
Regulatory liabilities	2,250,000,000	2,225,000,000
Asset retirement obligations	776,000,000	762,000,000
Fixed-price contracts and other derivatives	151,000,000	153,000,000
Greenhouse gas obligations	10,000,000	0
Deferred credits and other	334,000,000	334,000,000
Total deferred credits and other liabilities	5,290,000,000	5,261,000,000
Commitments and contingencies (Note 11)
Equity:
Preferred stock	0	0
Common stock	1,338,000,000	1,338,000,000
Retained earnings	4,438,000,000	4,268,000,000
Accumulated other comprehensive income (loss)	(8,000,000)	(8,000,000)
Total shareholders’ equity	5,768,000,000	5,598,000,000
Other noncontrolling interests	30,000,000	28,000,000
Total equity	5,798,000,000	5,626,000,000
Total liabilities and equity	18,017,000,000	17,844,000,000
Southern California Gas Company [Member]
Current assets:
Cash and cash equivalents	11,000,000	8,000,000
Accounts receivable – trade, net	509,000,000	517,000,000
Accounts receivable – other, net	87,000,000	90,000,000
Due from unconsolidated affiliates	6,000,000	4,000,000
Income taxes receivable	0	10,000,000
Inventories	96,000,000	124,000,000
Regulatory assets	8,000,000	9,000,000
Greenhouse gas allowances	181,000,000	179,000,000
Other	38,000,000	38,000,000
Total current assets	936,000,000	979,000,000
Other assets:
Regulatory assets	1,031,000,000	983,000,000
Insurance receivable for Aliso Canyon costs	447,000,000	418,000,000
Greenhouse gas allowances	39,000,000	9,000,000
Sundry	363,000,000	364,000,000
Total other assets	1,880,000,000	1,774,000,000
Property, plant and equipment:
Property, plant and equipment	17,077,000,000	16,772,000,000
Less accumulated depreciation and amortization	(5,431,000,000)	(5,366,000,000)
Property, plant and equipment, net	11,646,000,000	11,406,000,000
Total assets	14,462,000,000	14,159,000,000
Current liabilities:
Short-term debt	100,000,000	116,000,000
Accounts payable – trade	370,000,000	502,000,000
Accounts payable – other	89,000,000	93,000,000
Due to unconsolidated affiliates	37,000,000	35,000,000
Accrued compensation and benefits	99,000,000	151,000,000
Regulatory liabilities	202,000,000	91,000,000
Current portion of long-term debt	503,000,000	501,000,000
Customer deposits	91,000,000	89,000,000
Reserve for Aliso Canyon costs	122,000,000	84,000,000
Greenhouse gas obligations	181,000,000	179,000,000
Other	241,000,000	205,000,000
Total current liabilities	2,035,000,000	2,046,000,000
Long-term debt	2,486,000,000	2,485,000,000
Deferred credits and other liabilities:
Customer advances for construction	95,000,000	92,000,000
Pension obligation, net of plan assets	808,000,000	789,000,000
Deferred income taxes	1,085,000,000	995,000,000
Deferred investment tax credits	9,000,000	10,000,000
Regulatory liabilities	1,672,000,000	1,697,000,000
Asset retirement obligations	1,904,000,000	1,885,000,000
Greenhouse gas obligations	9,000,000	0
Deferred credits and other	227,000,000	253,000,000
Total deferred credits and other liabilities	5,809,000,000	5,721,000,000
Commitments and contingencies (Note 11)
Equity:
Preferred stock	22,000,000	22,000,000
Common stock	866,000,000	866,000,000
Retained earnings	3,265,000,000	3,040,000,000
Accumulated other comprehensive income (loss)	(21,000,000)	(21,000,000)
Total shareholders’ equity	4,132,000,000	3,907,000,000
Total liabilities and equity	$ 14,462,000,000	$ 14,159,000,000

[1] Derived from audited financial statements.