Shareholders' Equity, Additional Information (Details) (USD $) In Millions, except Per Share data	3 Months Ended									9 Months Ended
	Sep. 30, 2011		Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010		Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Sep. 30, 2011		Sep. 30, 2010
Stockholders' Equity Note [Abstract]
Cash dividends declared on common stock (in dollars per share)	$ 0.0425		$ 0.0425	$ 0.0425	$ 0.0425		$ 0.0425	$ 0.0425	$ 0.0425	$ 0.1275		$ 0.1275
Cash dividends declared on preferred stock (in dollars per share)	$ 20.00		$ 20.00	$ 20.00	$ 20.00		$ 20.00	$ 20.00	$ 12.22
Comprehensive Income [Abstract]
Net income attributable to Xerox	$ 320						$ 250			$ 920		$ 435
Translation adjustments	(383)						559			67		15
Changes in benefit plans	44						(19)			22		100
Other unrealized gains (losses), net	28						(8)			13		2
Comprehensive Income - Xerox	9						782			1,022		552
Net income attributable to noncontrolling interests	9						6			25		23
Translation adjustments - noncontrolling interests	0						1			0		0
Comprehensive Income - Noncontrolling Interests	9						7			25		23
Total Comprehensive income	18						789			1,047		575
Accumulated Other Comprehensive Loss (AOCL) [Abstract]
Cumulative translation adjustments	(768)				(835)					(768)
Benefit plans net actuarial losses and prior service credits	(1,145)	[1]			(1,167)	[1]				(1,145)	[1]
Other unrealized gains, net	27				14					27
Total Accumulated Other Comprehensive Loss	$ (1,886)				$ (1,988)					$ (1,886)

[1] Includes our share of Fuji Xerox – refer to Note 13 for additional information.