Contingent Consideration (Tables)

3 Months Ended

Mar. 31, 2019

Business Combinations [Abstract]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Changes in the fair value of our contingent consideration liability were as follows:

(in millions)
Balance as of December 31, 2018	$	347
Amount recorded related to current year acquisition	87
Contingent consideration expense (benefit)	(28		)
Contingent consideration payments	(11		)
Balance as of March 31, 2019	$	394

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

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

Contingent Consideration Liability	Fair Value as of March 31, 2019	Valuation Technique	Unobservable Input	Range
R&D, Regulatory and Commercialization-based Milestones	$276 million	Discounted Cash Flow	Discount Rate	3	%	-	4%
			Probability of Payment	17	%	-	99%
			Projected Year of Payment	2019		-	2027
Revenue-based Payments	$119 million	Discounted Cash Flow	Discount Rate	11	%	-	15%
			Probability of Payment	60	%	-	100%
			Projected Year of Payment	2019		-	2026