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Payment of contingent consideration

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Range of Risk Adjusted Discount Rates used in Purchase Price Allocation

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of asset recognized arising from contingent consideration in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions and Strategic Investments (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	May 16, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill		$ 6,871		$ 6,871		$ 6,678
Business Combination, Contingent Consideration, Asset		102		102		$ 204
Payments for acquisitions of businesses, net of cash acquired				392	$ 0
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		24	$ (33)	74	(37)
Payment of contingent consideration				28	$ 77
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		1,278		1,278
revenue-based payments [Member] \| Discounted cash flow [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability		58		58
R&D and Commercialization-based Milestone [Member] \| Discounted cash flow [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability		$ 44		$ 44
Minimum [Member] \| revenue-based payments [Member] \| Discounted cash flow [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate				11.00%
contingent consideration liability, projected year of payment				2017
Minimum [Member] \| R&D and Commercialization-based Milestone [Member] \| Discounted cash flow [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate				2.00%
contingent consideration liability, projected year of payment				2017
Maximum [Member] \| revenue-based payments [Member] \| Discounted cash flow [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate				15.00%
contingent consideration liability, projected year of payment				2026
Maximum [Member] \| R&D and Commercialization-based Milestone [Member] \| Discounted cash flow [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate				3.00%
contingent consideration liability, projected year of payment				2021
Customer Relationships [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				13 years
Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired				$ 268
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				13 years
Range of Risk Adjusted Discount Rates used in Purchase Price Allocation		23.50%		23.50%
Other Intangible Assets [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired				$ 10
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				2 years
Range of Risk Adjusted Discount Rates used in Purchase Price Allocation		23.50%		23.50%
Finite-Lived Intangible Assets [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired				$ 278
2017 Acquisitions [Member]
Business Acquisition [Line Items]
Goodwill		$ 185		185
Payments for acquisitions of businesses, net of cash acquired				392
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		278		278
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		25		25
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities		$ (96)		(96)
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination				$ 392
Symetis [Member]
Business Acquisition [Line Items]
Payments for acquisitions of businesses, net of cash acquired	$ 430