Condensed Consolidated Statements of Operations (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Income from operations of discontinued businesses, income tax expense	$ 0	$ (3)	$ 22	$ 2	[1]
Gain/(loss) from disposal of discontinued businesses, income tax expense	$ 0	$ (1)	$ 4	$ (2)

[1] Includes the results of operations of our Ukraine utility businesses, which were sold in April 2013.