Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the fair value of the receivables acquired, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of assets acquired at the acquisition date.

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The amount of financial assets (as defined) recognized as of the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The number of businesses acquired by the entity during the period.

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No definition available.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Business Acquisition, Goodwill, Expected Tax Deductible Amount, Percentage

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No definition available.

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Business Combination, Acquisition of 100 Percent of acquired company

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Acquisitions (Details) $ in Millions	12 Months Ended
Acquisitions (Details) $ in Millions	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) business	Dec. 31, 2014 USD ($) business
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 30	$ 13	$ 34
Business Combination, Acquisition of 100 Percent of acquired company	100.00%	100.00%	100.00%
Revenue of Acquiree since Acquisition Date, Actual	$ 14
Goodwill, Expected Tax Deductible Percentage	100.00%
Accounts/finance receivables	$ 2
Goodwill	19
Other assets	3
Total Assets Acquired	34
Liabilities assumed	4
Global Imaging Systems, Equipment dealers [Domain]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	30
Equipment Dealer, Southern U.S. [Domain]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			$ 22
Prior year acquisitions [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Revenue of Acquiree since Acquisition Date, Actual	10	$ 3
Acquisitions made current year minus two years [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Revenue of Acquiree since Acquisition Date, Actual	$ 32	30	2
Document Technology [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 13	$ 12
Number of Businesses Acquired (in businesses) \| business		2	1
Customer relationships [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Weighted Average Useful Life (Years) Acquired Finite-lived Intangible Asset	10 years
Intangible assets:	$ 7
Trademarks [Member]
Schedule of Business Acquisitions, by Acquisition [Line Items]
Weighted Average Useful Life (Years) Acquired Finite-lived Intangible Asset	20 years
Intangible assets:	$ 2
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:	$ 1