RECENT INVESTMENT ACTIVITY (Details) (USD $) In Millions, unless otherwise specified		1 Months Ended	6 Months Ended
	Jun. 30, 2014	Jul. 31, 2014 Energia Sierra Juarez [Member]	Jun. 30, 2013 Mesquite Power [Member]	Jun. 30, 2014 Copper Mountain Solar 3 [Member]
Recent Investment Activity (Details) [Abstract]
Sempra Renewables' Equity Investment In Solar Projects	$ 109
Deconsolidation of business [Line Items]
Proceeds from sale, net of transaction costs				68
Cash				(2)
Property, plant and equipment, net		137		(247)
Other assets				(11)
Accounts payable and accrued expenses				82
Long-term debt including current portion				97
Accumulated other comprehensive income				(2)
Other long-term liabilities				3
Gain on sale of equity interest and assets			74	(27)
Equity method investments upon deconsolidation				(39)
Gain on sale of assets, after tax			44	16
Proceeds From Divestiture Of Businesses		44	371
Long Term Debt		$ 82