Acquisitions and Strategic Investments (Tables)

3 Months Ended

Mar. 31, 2017

Business Acquisition [Line Items]

Investment [Table Text Block]

The aggregate carrying amount of our strategic investments as of March 31, 2017 and December 31, 2016 were comprised of the following categories:

(in millions)	As of
	March 31, 2017		December 31, 2016
Equity method investments	$	266	$	265
Cost method investments	34		20
Available-for-sale securities	28		20
Notes receivable	43		42
	$	371	$	347

Rollforward of Fair Value of Contingent Consideration [Table Text Block]

Changes in the fair value of our contingent consideration liabilities were as follows (in millions):

Balance as of December 31, 2016	$	204
Fair value adjustments	(50		)
Contingent payments related to prior period acquisitions	(28		)
Balance as of March 31, 2017	$	126

Description of unobservable inputs used in Level 3 fair value measurements [Table Text Block]

The recurring Level 3 fair value measurements of our contingent consideration liabilities include the following significant unobservable inputs:

Contingent Consideration Liabilities	Fair Value as of March 31, 2017	Valuation Technique	Unobservable Input	Range
R&D and Commercialization-based Milestones	$45 million	Discounted Cash Flow	Discount Rate	2% - 3%
			Projected Year of Payment	2017 - 2021
Revenue-based Payments	$81 million	Discounted Cash Flow	Discount Rate	11% - 15%
			Projected Year of Payment	2017 - 2026