Condensed Consolidated Statements of Operations (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013		Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Income from operations of discontinued businesses, income tax expense	$ 8	$ 7	[1]	$ 22	$ 5
Gain/(loss) from disposal of discontinued businesses, income tax expense	$ 5	$ 0		$ 4	$ (1)

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