Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives - Restructuring Accruals - Footnotes (Detail) - USD ($) $ in Millions	Apr. 02, 2017		Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 1,449	[1]	$ 1,583	[2]
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	718		863
Other Noncurrent Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 731		$ 720

[1] Included in Other current liabilities ($718 million) and Other noncurrent liabilities ($731 million).

[2] Included in Other current liabilities ($863 million) and Other noncurrent liabilities ($720 million).