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
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount before 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of accumulated impairment loss for 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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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
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Amount of transfers of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized among segments.

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Amount of divestiture 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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Schedule of Goodwill by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Goodwill [Line Items]
Purchase accounting adjustments	$ (13)	$ 17
Goodwill			$ 1,658
Sale of Grupo OfficeMax		(24)
Accumulated impairment losses			(1,258)
Foreign currency rate impact			(2)
Ending Balance	378	391	398
Operating Segments \| North American Retail Division
Goodwill [Line Items]
Goodwill			2
Accumulated impairment losses			(2)
Allocation to reporting units		78
Ending Balance	78	78
Operating Segments \| North American Business Solutions Division
Goodwill [Line Items]
Purchase accounting adjustments	(13)
Goodwill			370
Accumulated impairment losses			(349)
Allocation to reporting units		277
Ending Balance	285	298	21
Operating Segments \| International Division
Goodwill [Line Items]
Goodwill			909
Accumulated impairment losses			(907)
Allocation to reporting units		15
Foreign currency rate impact			(2)
Ending Balance	$ 15	15
Corporate Eliminations and Other
Goodwill [Line Items]
Purchase accounting adjustments		17
Goodwill			377
Sale of Grupo OfficeMax		(24)
Allocation to reporting units		$ (370)
Ending Balance			$ 377