Earnings per Share, Reconciliation (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended							9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Sep. 30, 2012		Sep. 30, 2011
Basic Earnings per Share:
Net income attributable to Xerox	$ 282,000,000				$ 320,000,000			$ 860,000,000		$ 920,000,000
Accrued dividends on preferred stock	(6,000,000)				(6,000,000)			(18,000,000)	[1]	(18,000,000)	[1]
Adjusted Net Income Available to Common Shareholders	276,000,000				314,000,000			842,000,000		902,000,000
Weighted-average common shares outstanding (in shares)	1,293,513				1,396,176			1,320,422		1,398,855
Basic Earnings per Share (in dollars per share)	$ 0.21				$ 0.23			$ 0.64		$ 0.65
Diluted Earnings (Loss) per Share:
Net income attributable to Xerox	282,000,000				320,000,000			860,000,000		920,000,000
Accrued dividends on preferred stock	(6,000,000)				(6,000,000)			(18,000,000)	[1]	(18,000,000)	[1]
Interest on Convertible Securities, net	0				0			1,000,000		1,000,000
Adjusted Net Income Available to Common Shareholders	$ 276,000,000				$ 314,000,000			$ 843,000,000		$ 903,000,000
Weighted-average common shares outstanding (in shares)	1,293,513				1,396,176			1,320,422		1,398,855
Common shares issuable with respect to:
Convertible Securities (in shares)	1,992				1,992			1,992		1,992
Adjusted Weighted Average Common Shares Outstanding (in shares)	1,318,868				1,425,698			1,349,010		1,431,685
Diluted Earnings per Share (in dollars per share)	$ 0.21				$ 0.22			$ 0.62		$ 0.63
Total anti-dilutive securities (in shares)	89,723				107,165			86,489		103,857
Dividends per common share (in dollars per share)	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.1275		$ 0.1275
Stock Options [Member]
Common shares issuable with respect to:
Stock options and Restricted stock and performance shares (in shares)	3,335				7,952			5,369		10,932
Restricted Stock and performance shares [Member]
Common shares issuable with respect to:
Stock options and Restricted stock and performance shares (in shares)	20,028				19,578			21,227		19,906

[1] (3)Cash dividends declared on preferred stock of $20.00 per share in each quarter of 2012 and 2011.