Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2012

Discontinued Operations [Abstract]

Operations data for the discontinued operations

(in $ millions)	Year Ended December 31, 2012		From January 1, 2011 to May 5, 2011			Year Ended December 31, 2010
Net revenue		—		76			294
Operating expenses		—		86			254
Operating (loss) income before income taxes		—		(10	)		40
Benefit (provision) for income taxes		—		4			(13	)
(Loss) income from discontinued operations, net of tax		—		(6	)		27
Gain from disposal of discontinued operations, net of tax of $0		7		312			—
Total income from discontinued operations, net of tax		7		306			27