Restructuring and Asset Impairment Charges (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Restructuring reserve [Roll Forward]
Balance at beginning of period	$ 130		$ 123		$ 323
Restructuring provision	145		168		103
Reversals of prior accruals	(29)		(14)		(71)
Net current period restructuring charges, continuing operations	116	[1],[2]	154	[1]	32	[1]
Net current period restructuring charges, discontinued operations	6		(1)	[2]	1	[2]
Restructuring, Net Current Period Charges	122		153		33
Charges against reserve and currency	(136)		(146)		(233)
Balance at end of period	116		130		123
Reconciliation to the Condensed Consolidated Statements of Cash Flows [Abstract]
Asset impairment	1		1		5
Effects of foreign currency and other non-cash items	(1)		1		10
Restructuring Cash Payments	(136)		(144)		(218)
Services Segment [Member]
Restructuring reserve [Roll Forward]
Net current period restructuring charges, continuing operations	39		71		12
Document Technology Segment [Member]
Restructuring reserve [Roll Forward]
Net current period restructuring charges, continuing operations	77		83		23
All Other Segments [Member]
Restructuring reserve [Roll Forward]
Net current period restructuring charges, continuing operations	0		0		(3)
Employee Severance [Member]
Restructuring reserve [Roll Forward]
Balance at beginning of period	123		116		298
Restructuring provision	142		161		97
Reversals of prior accruals	(29)		(13)		(65)
Net current period restructuring charges, continuing operations	113		148		32
Net current period restructuring charges, discontinued operations	6	[2]	(1)	[2]	1	[2]
Restructuring, Net Current Period Charges	119		147		33
Charges against reserve and currency	(133)		(140)		(215)
Balance at end of period	109		123		116
Lease Cancellation and Other Costs [Member]
Restructuring reserve [Roll Forward]
Balance at beginning of period	7		7		25
Restructuring provision	2		5		1
Reversals of prior accruals	0		0		(6)
Net current period restructuring charges, continuing operations	2		5		(5)
Net current period restructuring charges, discontinued operations	0	[2]	0	[2]	0	[2]
Restructuring, Net Current Period Charges	2		5		(5)
Charges against reserve and currency	(2)		(5)		(13)
Balance at end of period	7		7		7
Asset Impairments [Member]
Restructuring reserve [Roll Forward]
Balance at beginning of period	0	[3]	0		0	[3]
Restructuring provision	1	[3]	2	[3]	5	[3]
Reversals of prior accruals	0	[3]	(1)	[3]	0	[3]
Net current period restructuring charges, continuing operations	1		1		5
Net current period restructuring charges, discontinued operations	0	[2]	0	[2]	0	[2]
Restructuring, Net Current Period Charges	1		1		5
Charges against reserve and currency	(1)	[3]	(1)	[3]	(5)	[3]
Balance at end of period	$ 0	[3]	$ 0	[3]	$ 0

[1] (2)Represents amount recognized within the Consolidated Statements of Income for the years shown.

[2] Refer to Note 3 - Acquisitions and Divestitures for additional information regarding discontinued operations.

[3] (1)Charges associated with asset impairments represent the write-down of the related assets to their new cost basis and are recorded concurrently with the recognition of the provision.