Condensed Consolidated Statements of Operations (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Income from operations of discontinued businesses, income tax expense (benefit)	$ 14	$ (2)	[1]
Gain/(loss) from disposal of discontinued businesses, income tax expense (benefit)	$ (1)	$ (1)

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