Restructuring Programs (Details) Employees in Thousands, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Employees		Jun. 30, 2014 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated (approximately) | Employees				1
Restructuring Reserve [Roll Forward]
Balance at beginning of period				$ 97
Restructuring Charge, Including Asset Impairment Relatedto Discontinued Operation				187
Reversals				(16)
Net Current Period Charges		$ 157	$ 39	171	[1]	$ 65
Charges against reserve and currency		(175)	(40)	(212)		(81)
Balance at end of period		56		56
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve		(175)	(40)	(212)		(81)
Asset impairments		146	3	146		7
Effects of foreign currency and other non-cash items		(1)	1	5		2
Restructuring Cash Payments		(30)	(36)	(61)		(72)
Net current period restructuring charges, discontinued operations			(1)
Services [Member]
Restructuring Reserve [Roll Forward]
Net Current Period Charges	[2]	149	5	154		14
Document Technology
Restructuring Reserve [Roll Forward]
Net Current Period Charges		8	26	17		42
Other
Restructuring Reserve [Roll Forward]
Net Current Period Charges		0	$ 8	0		$ 9
Severance and Related Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period				93
Restructuring Charge, Including Asset Impairment Relatedto Discontinued Operation				38
Reversals				(13)
Net Current Period Charges	[1]			25
Charges against reserve and currency				(65)
Balance at end of period		53		53
Restructuring Charges				38
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve				(65)
Lease Cancellation and Other Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period				4
Restructuring Charge, Including Asset Impairment Relatedto Discontinued Operation				3
Reversals				(3)
Net Current Period Charges	[1]			0
Charges against reserve and currency				(1)
Balance at end of period		3		3
Restructuring Charges				3
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve				(1)
Asset Impairments [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period	[3]			0
Restructuring Charge, Including Asset Impairment Relatedto Discontinued Operation	[3]			146
Reversals	[3]			0
Net Current Period Charges	[1],[3]			146
Charges against reserve and currency	[3]			(146)
Balance at end of period	[3]	$ 0		0
Reconciliation To Consolidated Statements Of Cash Flows [Abstract]
Charges against reserve	[3]			$ (146)
ITO [Member]
Restructuring Cost and Reserve [Line Items]
Disposal Date				Jun. 30, 2015

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

[2] The three months ended June 30, 2014 excludes $(1) related to the ITO business, which was reported as a discontinued operation up to its sale on June 30, 2015. Refer to Note 5 - Divestitures for additional information regarding this sale.

[3] 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.