Earnings per Share, Reconciliation (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Basic Earnings per Share:
Net income from continuing operations attributable to Xerox	$ 288	$ 280	$ 875	$ 850
Adjusted Net Income From Continuing Operations Available to Common Shareholders	282	274	857	832
Net (loss) income from discontinued operations attributable to Xerox	(2)	2	(22)	10
Adjusted Net Income Available to Common Shareholders	280	276	835	842
Weighted-average common shares outstanding (in shares)	1,236,485	1,293,513	1,230,787	1,320,422
Continuing operations (dollars per share)	$ 0.23	$ 0.21	$ 0.70	$ 0.63
Discontinued operations (dollars per share)	$ 0.00	$ 0.00	$ (0.02)	$ 0.01
Total Basic Earnings per Share (dollars per share)	$ 0.23	$ 0.21	$ 0.68	$ 0.64
Diluted Earnings per Share:
Net income from continuing operations attributable to Xerox	288	280	875	850
Interest on convertible securities, net	0	0	1	1
Adjusted Net Income From Continuing Operations Available to Common Shareholders, Diluted	288	274	876	833
Net (loss) income from discontinued operations attributable to Xerox	(2)	2	(22)	10
Adjusted Net Income Available to Common Shareholders, Diluted	286	276	854	843
Weighted-average common shares outstanding (in shares)	1,236,485	1,293,513	1,230,787	1,320,422
Common shares issuable with respect to:
Adjusted Weighted Average Common Shares Outstanding	1,285,578	1,318,868	1,283,596	1,349,010
Continuing operations (dollars per share)	$ 0.22	$ 0.21	$ 0.68	$ 0.62
Discontinued operations (dollars per share)	$ 0.00	$ 0.00	$ (0.01)	$ 0.00
Diluted Earnings per Share (dollars per share)	$ 0.22	$ 0.21	$ 0.67	$ 0.62
Stock options [Member]
Common shares issuable with respect to:
Stock options and Restricted stock and performance shares (in shares)	5,225	3,335	5,422	5,369
Restricted Stock and Performance Shares [Member]
Common shares issuable with respect to:
Stock options and Restricted stock and performance shares (in shares)	14,910	20,028	18,429	21,227
Convertible Preferred Stock [Member]
Common shares issuable with respect to:
Convertible preferred stock (in shares)	26,966	0	26,966	0
Convertible Debt Securities [Member]
Common shares issuable with respect to:
Convertible securities (in shares)	1,992	1,992	1,992	1,992
Earnings (loss) per share, basic [Member]
Basic Earnings per Share:
Accrued dividends on preferred stock	(6)	(6)	(18)	(18)
Earnings (loss) per share, diluted [Member]
Basic Earnings per Share:
Accrued dividends on preferred stock	$ 0	$ (6)	$ 0	$ (18)