Employee Benefit Plans (Details) (USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income:
Total Recognized in Other Comprehensive Income	$ 32		$ 22		$ 63		$ 58
Components of the Net change in benefit plans included within Other comprehensive income [Abstract]
Other changes in plan assets and benefit obligations	32		22		63		58
Income tax	(11)		(6)		(22)		(20)
Fuji Xerox changes in defined benefit plans	(3)	[1]	(3)	[1]	(21)	[1]	33	[1]
Currency, net	(4)		11		(40)		53
Other, net	0		(4)		(2)		(5)
Net Change in Benefit Plans	14		20		(22)		119
Retiree Health [Member]
Components of Net Periodic Benefit Costs:
Service cost	2		2		4		4
Interest cost	12		14		24		28
Amortization of prior service credit	(10)		(7)		(20)		(13)
Total net periodic benefit cost	4		9		8		19
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income:
Amortization of net prior service credit	10		7		20		13
Total Recognized in Other Comprehensive Income	10	[2]	7	[2]	20	[2]	13	[2]
Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income	14		16		28		32
Components of the Net change in benefit plans included within Other comprehensive income [Abstract]
Other changes in plan assets and benefit obligations	10	[2]	7	[2]	20	[2]	13	[2]
Contributions [Abstract]
Contributions by employer					39
Anticipated additional contributions	48				48
Anticipated total contributions	87				87
Pension Benefits [Member]
Components of Net Periodic Benefit Costs:
Service cost	46		42		94		88
Interest cost	121		118		239		238
Expected return on plan assets	(130)		(116)		(257)		(236)
Recognized net actuarial loss	19		19		36		35
Amortization of prior service credit	(6)		(5)		(12)		(10)
Recognized settlement loss	20		15		50		46
Total net periodic benefit cost	70		73		150		161
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income:
Net actuarial loss (gain)	(9)	[3]	0	[3]	(9)	[3]	0	[3]
Amortization of net prior service credit	6		5		12		10
Amortization of net actuarial losses	(39)		(34)		(86)		(81)
Total Recognized in Other Comprehensive Income	(42)	[2]	(29)	[2]	(83)	[2]	(71)	[2]
Total Recognized in Net Periodic Benefit Cost and Other Comprehensive Income	28		44		67		90
Components of the Net change in benefit plans included within Other comprehensive income [Abstract]
Other changes in plan assets and benefit obligations	(42)	[2]	(29)	[2]	(83)	[2]	(71)	[2]
Contributions [Abstract]
Contributions by employer					123
Anticipated additional contributions	377				377
Anticipated total contributions	$ 500				$ 500

[1] (1) Represents our share of Fuji Xerox's changes.

[2] (1) Amount represents the pre-tax effect included within Other comprehensive income. The amount, net of tax, is included within Note 14, Shareholders' Equity.

[3] (2) Represents adjustments for the actual valuation results based on January 1, 2011 plan census data for the U.S.