Acquisition, Collaborative Arrangements and Equity-Method Investment and Cost-Method Investment - Acquisition (Details) - USD ($) $ in Millions		Dec. 01, 2014	Jun. 28, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill	[1]		$ 41,571	$ 42,069
Baxter International Inc. [Member]
Business Acquisition [Line Items]
Total consideration transferred		$ 648
Intangible assets		376
Inventory		194
Goodwill		12
Baxter International Inc. [Member] | Developed Technology Rights [Member]
Business Acquisition [Line Items]
Intangible assets		$ 371

[1] Amounts may not add due to rounding.