Acquisitions, Assets and Liabilities Held for Sale, Research and Development and Collaborative Arrangements, Equity-Method Investments and Cost-Method Investment - Anacor Pharmaceuticals, Inc. (Details) - USD ($) $ / shares in Units, $ in Millions			9 Months Ended
		Jun. 24, 2016	Oct. 02, 2016	Sep. 27, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Cash payments for acquisition, net of cash acquired	[1]		$ 17,679	$ 16,322
Goodwill	[2]		$ 56,281		$ 48,242
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		5,000
Goodwill		1,800
Deferred tax liabilities		1,600
Anacor [Member] | In Process Research and Development [Member]
Business Acquisition [Line Items]
IPR&D		$ 4,800

[1] Amounts may not add due to rounding.

[2] Amounts may not add due to rounding.