Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011		Dec. 31, 2011
Translation Adjustments Gains, Pre-tax	$ 343		$ (381)		$ 176		$ 68
Translation Adjustments Gains, Net of Tax	344	[1]	(383)	[1]	181	[1]	67	[1]
Changes in fair value of cash flow hedges, pre-tax	8		43		16		19
Changes in fair value of cash flow hedges, net of tax	4		30		11		12
Changes in cash flow hedges reclassed to earnings, pre-tax	(8)	[2]	(4)	[2]	(29)	[2]	0	[2]
Changes in cash flow hedges reclassed to earnings, net of tax	(6)	[2]	(2)	[2]	(22)	[2]	1	[2]
Net Unrealized (Losses) Gains, Pre-tax	0		39		(13)		19
Net Unrealized(Losses) Gains, Net of Tax	(2)	[1]	28	[1]	(11)	[1]	13	[1]
Actuarial/Prior service gains, pre-tax	31		14		50		23
Actuarial/Prior service gains, Net of Tax	19		8		31		14
Actuarial/Prior service amortizaion, before Tax	35	[3]	13	[3]	87	[3]	67	[3]
Actuarial/Prior service amortization, Net of Tax	23	[3]	9	[3]	58	[3]	44	[3]
Fjui Xerox changes in defined benefit plans, net, Pre-tax	7	[4]	(11)	[4]	(34)	[4]	(32)	[4]
Fuji Xerox changes in defined benefit plans, net, Net of Tax	7	[4]	(11)	[4]	(34)	[4]	(32)	[4]
Other, Pre-tax	(59)	[5]	37	[5]	(55)	[5]	(6)	[5]
Other, Net of Tax	(59)	[5]	38	[5]	(55)	[5]	(4)	[5]
Changes in Defined Benefit Plans Gains (Losses), Pre-tax	(14)		(53)		(48)		(52)
Change in Defined Benefit Plans Gains (Losses), Net of Tax	(10)	[1]	44	[1]	0	[1]	22	[1]
Other Comprehensive Income (Loss) Attributable to Xerox, Pre-tax	357		(289)		211		139
Other Comprehensive Income (Loss) Attributable to Xerox, Net of Tax	332	[1]	(311)	[1]	170	[1]	102	[1]
Cumulative translation adjustments	(758)				(758)				(939)
Benefit plans net actuarial losses and prior service credits	(1,803)	[6]			(1,803)	[6]			(1,803)	[6]
Other unrealized gains, net	15				15				26
Total Accumulated Other Comprehensive Loss Attributable to Xerox	$ (2,546)				$ (2,546)				$ (2,716)

[1] (1) Refer to Note 14 - Comprehensive Income for gross components of comprehensive income, reclassification adjustments out of accumulated other comprehensive income and related tax effects.

[2] (1) Reclassified to Cost of sales - refer to Note 10 - Financial Instruments for additional information regarding our cash flow hedges.

[3] (2) Reclassified to Total Net Periodic Benefit Cost - refer to Note 12 - Employee Benefit Plans for additional information.

[4] (3) Represents our share of Fuji Xerox's benefit plan changes.

[5] (4) Primarily represents currency impact on cumulative amount of benefit plan net actuarial losses and prior service credits included in AOCL.

[6] (1)Includes our share of Fuji Xerox.