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Severance and Facility Closure Costs (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Restructuring Cost and Reserve [Line Items]
Beginning Balance			$ 9
Charges (credits) Incurred			50
Cash Payments			(16)
Ending Balance	$ 43		43
Optimize for Growth Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges (credits) Incurred	12		60
Cash Payments	(7)		(14)
Project Core
Restructuring Cost and Reserve [Line Items]
Charges (credits) Incurred		$ 24		$ 42
Cash Payments	(2)	$ (30)	(4)	$ (32)
Maximize B2B Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Cash Payments			(1)
Non-Facility Termination Benefits \| Optimize for Growth Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges (credits) Incurred			13
Cash Payments			(3)
Ending Balance	10		10
Non-Facility Termination Benefits \| Project Core
Restructuring Cost and Reserve [Line Items]
Beginning Balance			7
Charges (credits) Incurred			(2)
Cash Payments			(1)
Ending Balance	4		4
Lease and contract obligations, accruals for facility closures including termination benefits and other costs \| Optimize for Growth Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges (credits) Incurred			39
Cash Payments			(11)
Ending Balance	28		28
Lease and contract obligations, accruals for facility closures including termination benefits and other costs \| Maximize B2B Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Beginning Balance			2
Cash Payments			(1)
Ending Balance	$ 1		$ 1