RECENT INVESTMENT ACTIVITY 2 (DETAILS) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Mesquite Solar 1 [Member]
Deconsolidation of business [Line Items]
Proceeds from sale, net of transaction costs	$ 100	[1]
Other assets	(72)
Property, plant and equipment, net	(461)
Long-term debt including current portion	297
Other liabilities	31
Gain on sale of assets	(36)
Equity method investments upon deconsolidation	(141)
Transaction costs	3
Ownership percentage in equity method investee	50.00%
Gain on sale of assets, after tax	22
Proceeds From Divestiture Of Businesses	103
Copper Mountain Solar 2 [Member]
Deconsolidation of business [Line Items]
Proceeds from sale, net of transaction costs	68	[1]
Other assets	(30)
Property, plant and equipment, net	(266)
Long-term debt including current portion	146
Other liabilities	19
Gain on sale of assets	(4)
Equity method investments upon deconsolidation	(67)
Transaction costs	3
Ownership percentage in equity method investee	50.00%
Gain on sale of assets, after tax	2
Proceeds From Divestiture Of Businesses	$ 71

[1] Transaction costs were $3 million at both Copper Mountain Solar 2 and Mesquite Solar 1.