Acquisitions, Sale of Hospira Infusion Systems Net Assets, Collaborative Arrangement, Equity-Method Investments and Cost-Method Investment - Anacor Pharmaceuticals, Inc. (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended
		Jun. 24, 2016	Apr. 02, 2017	Apr. 03, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Cash payments for acquisition, net of cash acquired	[1]		$ 585	$ 110
Goodwill	[2]		$ 54,656		$ 54,449
Anacor [Member]
Business Acquisition [Line Items]
Business acquisition, per share in cash (in dollars per share)		$ 99.25
Payments for acquisitions, cash portion		$ 4,900
Cash payments for acquisition, net of cash acquired		4,500
Debt assumed		698
IPR&D		4,900
Goodwill		647
Deferred tax liabilities		352
Anacor [Member] | In Process Research and Development [Member]
Business Acquisition [Line Items]
Identifiable intangible assets		$ 4,800

[1] Amounts may not add due to rounding.

[2] Amounts may not add due to rounding.