Goodwill and Intangible Assets, Net - Intangible Assets by Major Class (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net	$ 2,503		$ 2,783
Gross Carrying Amount	4,013		3,965
Accumulated Amortization	1,510		1,182
Net Amount	2,503		2,783
Indefinite-Lived Intangible Assets (Excluding Goodwill)	10		5
Amortization of Intangible Assets	332		328		401
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2014	327
2015	327
2016	323
2017	323
2018	323
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Useful Life	12 years
Gross Carrying Amount	3,580		3,562
Accumulated Amortization	1,359		1,052
Net Amount	2,221		2,510
Distribution network [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Useful Life	25 years
Gross Carrying Amount	123		123
Accumulated Amortization	69		64
Net Amount	54		59
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Useful Life	20 years	[1]
Gross Carrying Amount	269	[1]	257	[1]
Accumulated Amortization	72	[1]	59	[1]
Net Amount	197	[1]	198	[1]
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Useful Life	9 years	[1]
Gross Carrying Amount	41	[1]	23	[1]
Accumulated Amortization	10	[1]	7	[1]
Net Amount	31	[1]	16	[1]
Services Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net	2,100
Document Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net	$ 400

[1] Includes $10 and $5 of indefinite-lived assets within trademarks and technology, respectively, related to the 2010 acquisition of ACS.