Schedule of Goodwill by Segment (Detail) $ in Millions	3 Months Ended
Mar. 31, 2018 USD ($)
Goodwill [Line Items]
Goodwill	$ 851
Acquisitions	33
Foreign currency rate impact	(3)
Purchase accounting adjustments	1
Goodwill	882
Operating Segments \| Business Solutions Division
Goodwill [Line Items]
Goodwill	328
Acquisitions	20
Goodwill	348
Operating Segments \| Retail Division
Goodwill [Line Items]
Goodwill	78
Goodwill	78
Operating Segments \| CompuCom Division
Goodwill [Line Items]
Goodwill	445
Acquisitions	13
Foreign currency rate impact	(3)
Purchase accounting adjustments	1
Goodwill	$ 456

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460

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-Name Accounting Standards Codification
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