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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.

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