Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives - Schedule of Components and Changes in Restructuring Accruals (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			$ 798
Provision	[2]	$ (5)	$ 338	14	$ 379
Utilization and other	[3]			(215)
Balance, ending	[4]	596		596
Other Current Liabilities [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning				628
Balance, ending		473		473
Other Noncurrent Liabilities [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning				169
Balance, ending		123		123
Employee Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			782
Provision				19
Utilization and other	[3]			(215)
Balance, ending	[4]	585		585
Asset Impairment Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			0
Provision				(2)
Utilization and other	[3]			2
Balance, ending	[4]	0		0
Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			15
Provision				(3)
Utilization and other	[3]			(1)
Balance, ending	[4]	$ 11		$ 11

[1] Included in Other current liabilities ($628 million) and Other noncurrent liabilities ($169 million).

[2] Primarily represents cost reduction initiatives.

[3] Includes adjustments for foreign currency translation.

[4] Included in Other current liabilities ($473 million) and Other noncurrent liabilities ($123 million).