Segment Information (Detail) - USD ($) $ in Millions		3 Months Ended																12 Months Ended
		Dec. 28, 2019		Sep. 28, 2019	[1]	Jun. 29, 2019	[1]	Mar. 30, 2019	[1]	Dec. 29, 2018		Sep. 29, 2018	[1]	Jun. 30, 2018	[1]	Mar. 31, 2018	[1]	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Segment Reporting Information [Line Items]
Sales		$ 2,508	[1]	$ 2,782		$ 2,588		$ 2,769		$ 2,670	[1]	$ 2,887		$ 2,628		$ 2,830		$ 10,647	$ 11,015	$ 10,240
Division operating income (loss)																		463	451	521
Capital expenditures																		150	187	141
Depreciation and amortization																		204	192	159
Charges for losses on receivables and inventories																		26	37	70
Assets		7,311								6,166								7,311	6,166
Business Solutions Division
Segment Reporting Information [Line Items]
Sales																		5,279	5,282	5,108
Retail Division
Segment Reporting Information [Line Items]
Sales																		4,363	4,641	4,962
Other
Segment Reporting Information [Line Items]
Sales																		11	6	14
Operating Segments | Business Solutions Division
Segment Reporting Information [Line Items]
Sales																		5,279	5,282	5,108
Division operating income (loss)																		271	243	262
Capital expenditures																		43	43	45
Depreciation and amortization																		66	64	62
Charges for losses on receivables and inventories																			3	8
Assets		1,803								1,686								1,803	1,686
Operating Segments | Retail Division
Segment Reporting Information [Line Items]
Sales																		4,363	4,641	4,962
Division operating income (loss)																		194	193	254
Capital expenditures																		68	108	78
Depreciation and amortization																		91	83	78
Charges for losses on receivables and inventories																		25	32	62
Assets		2,403								1,277								2,403	1,277
Operating Segments | CompuCom Division
Segment Reporting Information [Line Items]
Sales																		994	1,086	156
Division operating income (loss)																		(2)	17	8
Capital expenditures																		10	14	5
Depreciation and amortization																		39	38	5
Charges for losses on receivables and inventories																		1	2
Assets		989								1,033								989	1,033
Operating Segments | Other
Segment Reporting Information [Line Items]
Sales																		11	6	14
Division operating income (loss)																			(2)	(3)
Assets		10								6								10	6
Corporate, Eliminations, and Discontinued Operations | Discontinued Operations
Segment Reporting Information [Line Items]
Capital expenditures	[2]																	29	22	13
Depreciation and amortization	[2]																	8	7	$ 14
Assets	[2]	$ 2,106								$ 2,164								$ 2,106	$ 2,164

[1] Due to rounding, the sum of the quarterly amounts may not equal the reported amounts for the year.

[2] Amounts included in “Corporate and Discontinued Operations” consist of assets (including all cash and cash equivalents) and depreciation related to corporate activities of continuing operations.