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		9 Months Ended
		Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			$ 798
Provision	[2]	$ 643	$ (5)	657	$ 374
Utilization and other	[3]			(319)
Balance, ending	[4]	1,135		1,135
Other Current Liabilities [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning				628
Balance, ending		860		860
Other Noncurrent Liabilities [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning				169
Balance, ending		275		275
Employee Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			782
Provision				649
Utilization and other	[3]			(306)
Balance, ending	[4]	1,125		1,125
Asset Impairment Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			0
Provision				9
Utilization and other	[3]			(9)
Balance, ending	[4]	0		0
Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning	[1]			15
Provision				0
Utilization and other	[3]			(5)
Balance, ending	[4]	$ 10		$ 10

[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 ($860 million) and Other noncurrent liabilities ($275 million).