Summary of Disaggregated Revenue by Division, Major Product and Service Categories (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Disaggregation Of Revenue [Line Items]
Total sales	$ 2,539	$ 2,782	$ 7,422	$ 8,139
Products, Supplies
Disaggregation Of Revenue [Line Items]
Total sales	1,035	1,257	3,029	3,576
Products, Technology
Disaggregation Of Revenue [Line Items]
Total sales	819	795	2,436	2,445
Products, Furniture and Other
Disaggregation Of Revenue [Line Items]
Total sales	355	325	938	900
Services, Technology
Disaggregation Of Revenue [Line Items]
Total sales	152	180	482	551
Services, Copy Print and Other
Disaggregation Of Revenue [Line Items]
Total sales	178	225	537	667
Business Solutions Division
Disaggregation Of Revenue [Line Items]
Total sales	1,197	1,350	3,554	4,022
Business Solutions Division | Products, Supplies
Disaggregation Of Revenue [Line Items]
Total sales	632	758	1,934	2,264
Business Solutions Division | Products, Technology
Disaggregation Of Revenue [Line Items]
Total sales	303	302	890	941
Business Solutions Division | Products, Furniture and Other
Disaggregation Of Revenue [Line Items]
Total sales	192	204	514	576
Business Solutions Division | Services, Copy Print and Other
Disaggregation Of Revenue [Line Items]
Total sales	70	86	216	241
Retail Division
Disaggregation Of Revenue [Line Items]
Total sales	1,147	1,177	3,216	3,352
Retail Division | Products, Supplies
Disaggregation Of Revenue [Line Items]
Total sales	401	495	1,085	1,302
Retail Division | Products, Technology
Disaggregation Of Revenue [Line Items]
Total sales	473	422	1,379	1,294
Retail Division | Products, Furniture and Other
Disaggregation Of Revenue [Line Items]
Total sales	163	119	420	320
Retail Division | Services, Technology
Disaggregation Of Revenue [Line Items]
Total sales	6	7	21	21
Retail Division | Services, Copy Print and Other
Disaggregation Of Revenue [Line Items]
Total sales	104	134	311	415
CompuCom Division
Disaggregation Of Revenue [Line Items]
Total sales	197	252	646	758
CompuCom Division | Products, Technology
Disaggregation Of Revenue [Line Items]
Total sales	45	71	166	209
CompuCom Division | Services, Technology
Disaggregation Of Revenue [Line Items]
Total sales	149	176	471	539
CompuCom Division | Services, Copy Print and Other
Disaggregation Of Revenue [Line Items]
Total sales	3	5	9	10
Other
Disaggregation Of Revenue [Line Items]
Total sales	(2)	3	6	7
Other | Products, Supplies
Disaggregation Of Revenue [Line Items]
Total sales	2	4	10	10
Other | Products, Technology
Disaggregation Of Revenue [Line Items]
Total sales	(2)		1	1
Other | Products, Furniture and Other
Disaggregation Of Revenue [Line Items]
Total sales		2	4	4
Other | Services, Technology
Disaggregation Of Revenue [Line Items]
Total sales	(3)	$ (3)	(10)	(9)
Other | Services, Copy Print and Other
Disaggregation Of Revenue [Line Items]
Total sales	$ 1		$ 1	$ 1