CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 USD ($)		Mar. 31, 2013 USD ($)	Mar. 31, 2014 San Diego Gas and Electric Company and Subsidiary [Member] USD ($)		Mar. 31, 2013 San Diego Gas and Electric Company and Subsidiary [Member] USD ($)	Mar. 31, 2014 Southern California Gas Company [Member] USD ($)		Mar. 31, 2013 Southern California Gas Company [Member] USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 266		$ 178	$ 101		$ 81	$ 78		$ 46
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	286		295
Utility depreciation and amortization				130		134	105		100
Deferred income taxes and investment tax credits	95		252	57		36	26		18
Gain on sale of equity interest and assets	(27)		(74)
Adjustment to loss from plant closure	(13)		0
Adjustment to utility loss from plant closure				(13)		0
Equity earnings	(23)		(14)
Fixed-price contracts and other derivatives	(3)		17	(2)		(2)
Other	(24)		6	(9)		5	0		0
Net change in other working capital components	234		149	(76)		(2)	197		250
Changes in other assets	94		17	63		4	18		3
Changes in other liabilities	19		9	10		8	3		(6)
Net cash provided by operating activities	904		835	261		264	427		411
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(801)		(531)	(294)		(237)	(260)		(179)
Expenditures for investments	(12)		(5)
Proceeds from sale of equity interest and assets, net of cash sold	66		371
Distributions from investments	3		15
Purchases of nuclear decommissioning and other trust assets	(198)		(136)	(198)		(135)
Proceeds from sales by nuclear decommissioning and other trusts	195		134	195		134
Decrease (increase) in loans to affiliates, net							(117)		(243)
Decrease (increase) in loans to unconsolidated affiliates, net	(17)		0
Decrease in restricted cash	23		52	10		17
Increase in restricted cash	(27)		(60)	(10)		(19)
Other cash flows from investing activities	(2)		(2)
Net cash used in investing activities	(770)		(162)	(297)		(240)	(377)		(422)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(154)		(145)				0		0
Preferred dividends paid				0		(1)
Preferred dividends paid by subsidiaries	0		(2)
Proceeds from issuances of common stock	11		15
Repurchases of common stock	(37)		(45)
Issuances of debt (maturities greater than 90 days)	1,188		608
Issuances of long-term debt							248		0
Payments on debt (maturities greater than 90 days)	(1,138)		(645)
Payments on long-term debt				(3)		(3)	(250)		0
Proceeds from sale of noncontrolling interests, net of $25 million in offering costs	0		574
Increase (decrease) in short-term debt, net	(69)		(43)	31		0	(42)		0
Distributions to noncontrolling interests				(7)		(1)
Other cash flows from financing activities	6		3				(1)		0
Net cash provided by (used in) financing activities	(193)		320	21		(5)	(45)		0
Effect of exchange rate changes on cash and cash equivalents	(1)		3
Increase (decrease) in cash and cash equivalents	(60)		996	(15)		19	5		(11)
Cash and cash equivalents, beginning of period	904	[1]	475	27	[1]	87	27	[1]	83
Cash and cash equivalents, end of period	844		1,471	12		106	32		72
Sale of noncontrolling interests offering costs			25
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest payments, net of amounts capitalized	91		87	36		28	12		12
Income tax payments, net of refunds	41		14				30		0
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued capital expenditures	249		275	99		102	111		76
Increase in capital lease obligations for investments in property, plant and equipment	60		0	60		0
Capital expenditures recoverable by U. S. Treasury grants receivable	0		1
Sequestration of U.S. Treasury grants receivable	0		(23)
Financing of build-to-suit property	9		0
Dividends declared but not paid	$ 168		$ 160	$ 0		$ 1

[1] Derived from audited financial statements.