Schedule of Goodwill by Segment (Detail) $ in Millions	12 Months Ended
Dec. 29, 2018 USD ($)
Goodwill [Line Items]
Balance as of December 30, 2017	$ 851
Acquisitions	70
Foreign currency rate impact	(12)
Purchase accounting adjustments	9
Balance as of December 29, 2018	914
Clearpath Holdings, LLC
Goodwill [Line Items]
Sale of business	(4)
Operating Segments \| Business Solutions Division
Goodwill [Line Items]
Balance as of December 30, 2017	328
Acquisitions	57
Purchase accounting adjustments	2
Balance as of December 29, 2018	387
Operating Segments \| Retail Division
Goodwill [Line Items]
Balance as of December 30, 2017	78
Balance as of December 29, 2018	78
Operating Segments \| CompuCom Division
Goodwill [Line Items]
Balance as of December 30, 2017	445
Acquisitions	13
Foreign currency rate impact	(12)
Purchase accounting adjustments	7
Balance as of December 29, 2018	449
Operating Segments \| CompuCom Division \| Clearpath Holdings, LLC
Goodwill [Line Items]
Sale of business	$ (4)

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.

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