Restructuring Programs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Employees		Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated	1,250
Restructuring reserve [Roll Forward]
Balance at beginning of period	$ 116
Provision	33
Reversals	(6)
Net Current Period Charges(1)	27	[1]	(8)
Charges against reserve and currency	(41)		(37)
Balance at end of period	102
Reconciliation to the Condensed Consolidated Statements of Cash Flows [Abstract]
Asset impairments	4		0
Effects of foreign currency and other non-cash items	1		(1)
Restructuring Cash Payments	(36)		(38)
Services Segment [Member]
Restructuring reserve [Roll Forward]
Net Current Period Charges(1)	10		(2)
Document Technology [Member]
Restructuring reserve [Roll Forward]
Net Current Period Charges(1)	16		(6)
Other [Member]
Restructuring reserve [Roll Forward]
Net Current Period Charges(1)	1		0
Severance and Related Costs [Member]
Restructuring reserve [Roll Forward]
Balance at beginning of period	109
Provision	28
Reversals	(6)
Net Current Period Charges(1)	22	[1]
Charges against reserve and currency	(35)
Balance at end of period	96
Lease Cancellation and Other Costs [Member]
Restructuring reserve [Roll Forward]
Balance at beginning of period	7
Provision	1
Reversals	0
Net Current Period Charges(1)	1	[1]
Charges against reserve and currency	(2)
Balance at end of period	6
Asset Impairments [Member]
Restructuring reserve [Roll Forward]
Balance at beginning of period	0	[2]
Provision	4	[2]
Reversals	0	[2]
Net Current Period Charges(1)	4	[1]
Charges against reserve and currency	(4)	[2]
Balance at end of period	$ 0

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

[2] (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.