Acquisitions, Sale of Hospira Infusion Systems Net Assets, Collaborative Arrangement and Equity-Method Investments - Bamboo Therapeutics (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
		Aug. 01, 2016	Oct. 02, 2016	Apr. 03, 2016	Oct. 01, 2017	Oct. 02, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Cash payments for acquisition, net of cash acquired	[1]				$ 1,000	$ 17,679
Goodwill	[2]				$ 56,078		$ 54,449
Bamboo Therapeutics [Member]
Business Acquisition [Line Items]
Payment to acquire the remaining equity		$ 150
Maximum amount of potential milestone payments		495
Total fair value of consideration transferred		343
Payments for acquisitions, cash portion		130		$ 43
Cash payments for acquisition, net of cash acquired		101
Contingent consideration incurred		167
Fair value of previously held equity interest		45
Goodwill		142
Deferred tax liabilities		94
Other (Income)/Deductions, Net [Member] | Bamboo Therapeutics [Member]
Business Acquisition [Line Items]
Gain recognized upon acquisition of remaining interest in acquiree			$ 2
In Process Research and Development [Member] | Bamboo Therapeutics [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 330

[1] Amounts may not add due to rounding.

[2] Amounts may not add due to rounding.