Earnings per Share (Details) (USD $) In Millions, except Share data	3 Months Ended				6 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 2010	Mar. 31, 2010	Jun. 30, 2011	Jun. 30, 2010
Earnings per Share [Abstract]
Adjusted Net Income (Loss) Available to Common Shareholders	$ 313		$ 221		$ 588	$ 176
Basic Earnings (Loss) per Share (in dollars per share)	$ 0.22		$ 0.16		$ 0.42	$ 0.14
Diluted Earnings (Loss) per Share:
Interest on Convertible Securities, net	0		0		1	0
Adjusted Net Income (Loss) Available to Common Shareholders	313		221		589	176
Restricted stock and performance shares	22,000,000		18,984,000		20,903,000	16,756,000
Convertible Securities (in shares)	1,992,000		1,992,000		1,992,000	0
Adjusted Weighted Average Common Shares Outstanding (in shares)	1,437,896,000		1,418,652,000		1,436,445,000	1,294,275,000
Diluted (Loss) Earnings per Share (in dollars per share)	$ 0.22		$ 0.16		$ 0.41	$ 0.14
Stock options (in shares)	11,698,000		14,393,000		12,485,000	12,439,000
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	11,698,000		14,393,000		12,485,000	12,439,000
Total anti-dilutive securities (in shares)	96,603		149,608		96,913	155,782
Dividends per common share (in dollars per share)	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0850	$ 0.0850
Basic Earnings (Loss) per Share:
Net income (loss) attributable to Xerox	319		227		600	185
Accrued dividends on preferred stock	$ (6)		$ (6)		$ (12)	$ (9)
Weighted-average common shares outstanding (in shares)	1,402,206,000		1,383,283,000		1,401,065,000	1,265,080,000
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities (in shares)	53,745,000		109,790,000		52,958,000	111,744,000
Restricted Stock and performance shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities (in shares)	15,892,000		12,852,000		16,989,000	15,080,000
Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities (in shares)	26,966,000		26,966,000		26,966,000	26,966,000
Convertible Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total anti-dilutive securities (in shares)	0		0		0	1,992,000