Acquisitions, Assets and Liabilities Held for Sale, Research and Development and Collaborative Arrangements, Equity-Method Investments and Cost-Method Investment - Additional Acquisitions (Details) - USD ($) $ in Millions		Dec. 01, 2014	Oct. 02, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill	[1]		$ 56,281	$ 48,242
Baxter International Inc. [Member]
Business Acquisition [Line Items]
Total consideration transferred		$ 648
Identifiable intangible assets, excluding IPR&D		376
Inventories		194
Goodwill		12
Baxter International Inc. [Member] | Developed Technology Rights [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, excluding IPR&D		$ 371

[1] Amounts may not add due to rounding.