Acquisitions (Details) € in Millions	1 Months Ended								12 Months Ended
	Sep. 30, 2015 USD ($)	Jan. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)	May. 31, 2014 USD ($)	Jan. 31, 2014 USD ($)	Jan. 31, 2014 EUR (€)	Apr. 30, 2013 USD ($)	Feb. 28, 2013 USD ($)	Dec. 31, 2015 USD ($) business	Dec. 31, 2014 USD ($) businesses	Dec. 31, 2013 USD ($) businesses
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired									$ 210,000,000	$ 340,000,000	$ 155,000,000
Revenue of Acquiree since Acquisition Date, Actual									$ 43,000,000
Goodwill, Expected Tax Deductible Percentage									63.00%
Accounts/finance receivables									$ 8,000,000
Goodwill									151,000,000
Other assets									12,000,000
Total Assets Acquired									231,000,000
Liabilities assumed									21,000,000
Contingent Consideration Arrangements, Range of Outcomes, Value, High									31,000,000
Contingent consideration accrued at acquisition date									25,000,000
RSA Medical LLC [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition	Sep. 30, 2015
Payments to Acquire Businesses, Net of Cash Acquired	$ 141,000,000
Goodwill									107,000,000
Intellinex LLC [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition		Jan. 31, 2015
Payments to Acquire Businesses, Net of Cash Acquired		$ 28,000,000
Goodwill									19,000,000
Consilience Software, Inc. [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition			Sep. 30, 2014
Payments to Acquire Businesses, Net of Cash Acquired			$ 25,000,000
Goodwill										23,000,000
ISG Holdings, Inc. [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition				May 31, 2014
Payments to Acquire Businesses, Net of Cash Acquired				$ 225,000,000
Goodwill										166,000,000
Invoco Holding GmbH [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition					Jan. 31, 2014	Jan. 31, 2014
Payments to Acquire Businesses, Net of Cash Acquired					$ 54,000,000	€ 40
Goodwill										39,000,000
Zeno Office Solutions, Inc. [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition							Apr. 01, 2013
Payments to Acquire Businesses, Net of Cash Acquired							$ 59,000,000
Impika [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Date of acquisition								Feb. 28, 2013
Payments to Acquire Businesses, Net of Cash Acquired								$ 53,000,000
Prior year acquisitions [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Revenue of Acquiree since Acquisition Date, Actual									214,000,000	132,000,000
Acquisitions made current year minus two years [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Revenue of Acquiree since Acquisition Date, Actual									87,000,000	84,000,000	56,000,000
Document Technology [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired									$ 13,000,000
Number of Businesses Acquired (in businesses) | business									2
Document Technology [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired										$ 34,000,000	$ 12,000,000
Number of Businesses Acquired (in businesses) | businesses										2	1
Services Segment [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired									$ 28,000,000
Number of Businesses Acquired (in businesses) | business									2
Services Segment [Member] | RSA Medical LLC [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Goodwill									$ 107,000,000
Services Segment [Member] | Intellinex LLC [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Goodwill									$ 19,000,000
Services Segment [Member] | Consilience Software, Inc. [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Goodwill										$ 23,000,000
Services Segment [Member] | ISG Holdings, Inc. [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Goodwill										166,000,000
Services Segment [Member] | Invoco Holding GmbH [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Goodwill										39,000,000
Services Segment [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired										$ 2,000,000	$ 31,000,000
Number of Businesses Acquired (in businesses)										1	3
Customer relationships [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Weighted Average Useful Life (Years) Acquired Finite-lived Intangible Asset									9 years
Intangible assets:									$ 49,000,000
Trademarks [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Weighted Average Useful Life (Years) Acquired Finite-lived Intangible Asset									12 years
Intangible assets:									$ 2,000,000
Non-compete agreements [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Weighted Average Useful Life (Years) Acquired Finite-lived Intangible Asset									4 years
Intangible assets:									$ 2,000,000
Software [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Weighted Average Useful Life (Years) Acquired Finite-lived Intangible Asset									4 years
Intangible assets:									$ 7,000,000