Goodwill and Intangible Assets, Net - Goodwill (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Beginning Balance, Goodwill	$ 9,062	$ 8,803	$ 8,649
Foreign currency translation	22	75	(34)
Ending Balance, Goodwill	9,205	9,062	8,803
Services Segment [Member]
Goodwill [Roll Forward]
Beginning Balance, Goodwill	6,780	6,619	6,522
Foreign currency translation	6	41	(28)
Ending Balance, Goodwill	6,815	6,780	6,619
Document Technology Segment [Member]
Goodwill [Roll Forward]
Beginning Balance, Goodwill	2,282	2,184	2,127
Foreign currency translation	16	34	(6)
Ending Balance, Goodwill	2,390	2,282	2,184
Unamic HCN Member
Goodwill [Roll Forward]
Goodwill acquired during period			43
Unamic HCN Member | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			43
Unamic HCN Member | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			0
Breakaway [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			33
Breakaway [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			33
Breakaway [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			0
ESM [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			28
ESM [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			28
ESM [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			0
Concept Group [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			26
Concept Group [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			0
Concept Group [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			26
MBM [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			20
MBM [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			0
MBM [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period			20
WDS [Member]
Goodwill [Roll Forward]
Goodwill acquired during period		69
WDS [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period		69
WDS [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period		0
R.K. Dixon [Member]
Goodwill [Roll Forward]
Goodwill acquired during period		30
R.K. Dixon [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period		0
R.K. Dixon [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period		30
Zeno[Member]
Goodwill [Roll Forward]
Goodwill acquired during period	44
Zeno[Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	0
Zeno[Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	44
Impika [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	43
Impika [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	0
Impika [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	43
Other Immaterial Acquisitions [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	34	85	38
Other Immaterial Acquisitions [Member] | Services Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	29	51	21
Other Immaterial Acquisitions [Member] | Document Technology Segment [Member]
Goodwill [Roll Forward]
Goodwill acquired during period	$ 5	$ 34	$ 17