Shareholders' Equity (Details) (USD $) In Millions, except Per 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		Dec. 31, 2010
Shareholders' Equity [Roll Forward]
Balance at beginning of period			$ 12,159		$ 7,191	$ 12,159		$ 7,191
Net (loss) income	327			236		616		202
Translation adjustments						450		(545)
Changes in benefit plans	14			20		(22)		119
Other unrealized gains (losses)						(15)		10
Comprehensive income (loss)	500			26		1,029		(214)
ACS Acquisition								4,315	[1]
Cash dividends declared-common stock						(122)	[2]	(121)	[2]
Cash dividends declared-preferred stock						(12)	[3]	(9)	[3]
Stock option and incentive plans, net						93		173
Tax benefit on stock option and incentive plans, net						2		7
Distributions to noncontrolling interests						(10)		(7)
Other						2
Balance at end of period	13,141			11,335		13,141		11,335
Cash dividends declared on common stock (in dollars per share)	$ 0.0425		$ 0.0425	$ 0.0425	$ 0.0425	$ 0.0850		$ 0.0850
Cash dividends declared on preferred stock (in dollars per share)	$ 20.00		$ 20.00	$ 20.00	$ 12.22
Comprehensive Income [Abstract]
Net income (loss) attributable to Xerox	319			227		600		185
Translation adjustments	153			(236)		450		(544)
Changes in benefit plans	14			20		(22)		119
Other unrealized gains (losses), net	6			6		(15)		10
Comprehensive Income (Loss) - Xerox	492			17		1,013		(230)
Net income attributable to noncontrolling interests	8			9		16		17
Translation adjustments - noncontrolling interests	0			0		0		(1)
Comprehensive Income - Noncontrolling Interests	8			9		16		16
Total Comprehensive Income (Loss)	500			26		1,029		(214)
Accumulated Other Comprehensive Loss (AOCL) [Abstract]
Cumulative translation adjustments	(385)					(385)				(835)
Benefit plans net actuarial losses and prior service credits	(1,189)	[4]				(1,189)	[4]			(1,167)	[4]
Other unrealized (losses) gains, net	(1)					(1)				14
Total Accumulated Other Comprehensive Loss	(1,575)					(1,575)				(1,988)
Xerox Shareholders Equity [Member]
Shareholders' Equity [Roll Forward]
Balance at beginning of period			12,006		7,050	12,006		7,050
Net (loss) income						600		185
Translation adjustments						450		(544)
Changes in benefit plans						(22)	[5]	119	[5]
Other unrealized gains (losses)						(15)		10
Comprehensive income (loss)						1,013		(230)
ACS Acquisition								4,315	[1]
Cash dividends declared-common stock						(122)	[2]	(121)	[2]
Cash dividends declared-preferred stock						(12)	[3]	(9)	[3]
Stock option and incentive plans, net						93		173
Tax benefit on stock option and incentive plans, net						2		7
Distributions to noncontrolling interests						0		0
Other						0
Balance at end of period	12,980			11,185		12,980		11,185
Comprehensive Income [Abstract]
Total Comprehensive Income (Loss)						1,013		(230)
Common Stock [Member]
Shareholders' Equity [Roll Forward]
Balance at beginning of period			1,398		871	1,398		871
Net (loss) income						0		0
Translation adjustments						0		0
Changes in benefit plans						0	[5]	0	[5]
Other unrealized gains (losses)						0		0
ACS Acquisition								490	[1]
Cash dividends declared-common stock						0	[2]	0	[2]
Cash dividends declared-preferred stock						0	[3]	0	[3]
Stock option and incentive plans, net						5		23
Tax benefit on stock option and incentive plans, net						0		0
Distributions to noncontrolling interests						0		0
Other						0
Balance at end of period	1,403			1,384		1,403		1,384
Additional Paid-in Capital [Member]
Shareholders' Equity [Roll Forward]
Balance at beginning of period			6,580		2,493	6,580		2,493
Net (loss) income						0		0
Translation adjustments						0		0
Changes in benefit plans						0	[5]	0	[5]
Other unrealized gains (losses)						0		0
ACS Acquisition								3,825	[1]
Cash dividends declared-common stock						0	[2]	0	[2]
Cash dividends declared-preferred stock						0	[3]	0	[3]
Stock option and incentive plans, net						88		150
Tax benefit on stock option and incentive plans, net						2		7
Distributions to noncontrolling interests						0		0
Other						0
Balance at end of period	6,670			6,475		6,670		6,475
Retained Earnings [Member]
Shareholders' Equity [Roll Forward]
Balance at beginning of period			6,016		5,674	6,016		5,674
Net (loss) income						600		185
Translation adjustments						0		0
Changes in benefit plans						0	[5]	0	[5]
Other unrealized gains (losses)						0		0
ACS Acquisition								0	[1]
Cash dividends declared-common stock						(122)	[2]	(121)	[2]
Cash dividends declared-preferred stock						(12)	[3]	(9)	[3]
Stock option and incentive plans, net						0		0
Tax benefit on stock option and incentive plans, net						0		0
Distributions to noncontrolling interests						0		0
Other						0
Balance at end of period	6,482			5,729		6,482		5,729
Accumulated Other Comprehensive Income [Member]
Shareholders' Equity [Roll Forward]
Balance at beginning of period			(1,988)		(1,988)	(1,988)		(1,988)
Net (loss) income						0		0
Translation adjustments						450		(544)
Changes in benefit plans						(22)	[5]	119	[5]
Other unrealized gains (losses)						(15)		10
ACS Acquisition								0	[1]
Cash dividends declared-common stock						0	[2]	0	[2]
Cash dividends declared-preferred stock						0	[3]	0	[3]
Stock option and incentive plans, net						0		0
Tax benefit on stock option and incentive plans, net						0		0
Distributions to noncontrolling interests						0		0
Other						0
Balance at end of period	(1,575)			(2,403)		(1,575)		(2,403)
Non-controlling interests [Member]
Shareholders' Equity [Roll Forward]
Balance at beginning of period			153		141	153		141
Net (loss) income						16		17
Translation adjustments						0		(1)
Changes in benefit plans						0	[5]	0	[5]
Other unrealized gains (losses)						0		0
Comprehensive income (loss)						16		16
ACS Acquisition								0	[1]
Cash dividends declared-common stock						0	[2]	0	[2]
Cash dividends declared-preferred stock						0	[3]	0	[3]
Stock option and incentive plans, net						0		0
Tax benefit on stock option and incentive plans, net						0		0
Distributions to noncontrolling interests						(10)		(7)
Other						2
Balance at end of period	161			150		161		150
Comprehensive Income [Abstract]
Total Comprehensive Income (Loss)						$ 16		$ 16

[1] (2) Refer to Note 4 - Acquisitions for additional information.

[2] (3) Cash dividends declared on common stock of $0.0425 per share in each quarter of 2011 and 2010.

[3] (4) Cash dividends declared on preferred stock of $20.00 per share in each quarter of 2011 and 2010 except the first quarter of 2010 which was $12.22 per share.

[4] (1) Includes our share of Fuji Xerox - refer to Note 13 for additional information.

[5] (1) Refer to Note 13, Employee Benefit Plans for additional information.