Schedule of Goodwill by Segment (Detail) $ in Millions	12 Months Ended
	Dec. 25, 2021 USD ($)
Goodwill [Line Items]
Balance as of December 26, 2020	$ 394
Acquisitions	68
Purchase accounting adjustments	2
Balance as of December 25, 2021	464
Other
Goodwill [Line Items]
Acquisitions	67
Purchase accounting adjustments	1
Balance as of December 25, 2021	68
Operating Segments | Business Solutions Division
Goodwill [Line Items]
Balance as of December 26, 2020	316
Acquisitions	1
Purchase accounting adjustments	1
Balance as of December 25, 2021	318
Operating Segments | Retail Division
Goodwill [Line Items]
Balance as of December 26, 2020	78
Balance as of December 25, 2021	$ 78