Acquisitions and Strategic Investments (Tables)

3 Months Ended

Mar. 31, 2016

Business Combinations [Abstract]

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, 2015	$	246
Other amounts recorded related to prior acquisitions	1
Fair value adjustments	4
Contingent payments related to prior period acquisitions	(63		)
Balance as of March 31, 2016	$	188

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, 2016	Valuation Technique	Unobservable Input	Range
R&D, regulatory and commercialization-based Milestones	$20 million	Discounted Cash Flow	Discount Rate	2.1% - 3.7%
			Probability of Payment	32% - 95%
			Projected Year of Payment	2017 - 2021
Revenue-based Payments	$62 million	Discounted Cash Flow	Discount Rate	11% - 15%
			Projected Year of Payment	2016 - 2022
	$106 million	Monte Carlo	Revenue Volatility	15%
			Risk Free Rate	LIBOR Term Structure
			Projected Year of Payment	2016 - 2018