Restructuring Programs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014 Employees		Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated				3,500
Restructuring Reserve [Roll Forward]
Balance at beginning of period				$ 116
Provision				110
Reversals				(17)
Net Current Period Charges	28		35	93	[1]	60
Charges against reserve and currency	(35)		(34)	(116)		(107)
Balance at end of period	93			93
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve	(35)		(34)	(116)		(107)
Asset impairments	0		0	7		0
Effects of foreign currency and other non-cash items	4		0	6		0
Restructuring Cash Payments	(31)		(34)	(103)		(107)
Services Segment [Member]
Restructuring Reserve [Roll Forward]
Net Current Period Charges	6		10	20		18
Document Technology [Member]
Restructuring Reserve [Roll Forward]
Net Current Period Charges	20		25	62		42
Other [Member]
Restructuring Reserve [Roll Forward]
Net Current Period Charges	2		0	11		0
Severance and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period				109
Provision				99
Reversals				(15)
Net Current Period Charges				84	[1]
Charges against reserve and currency				(105)
Balance at end of period	88			88
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve				(105)
Lease Cancellation and Other Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period				7
Provision				4
Reversals				(2)
Net Current Period Charges				2	[1]
Charges against reserve and currency				(4)
Balance at end of period	5			5
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve				(4)
Asset Impairments [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period				0	[2]
Provision				7	[2]
Reversals				0	[2]
Net Current Period Charges				7	[1],[2]
Charges against reserve and currency				(7)	[2]
Balance at end of period	0	[2]		0	[2]
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve				$ (7)	[2]

[1] Represents net amount recognized within the Condensed Consolidated Statements of Income for the period shown.

[2] 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.