Contingent Consideration (Tables)

6 Months Ended

Jun. 30, 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	131
Contingent consideration expense (benefit)	(18		)
Contingent consideration payments	(67		)
Balance as of June 30, 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 June 30, 2019	Valuation Technique	Unobservable Input	Range				Weighted Average (1)
R&D, Regulatory and Commercialization-based Milestones	$232 million	Discounted Cash Flow	Discount Rate	3%				3%
			Probability of Payment	17	%	-	90%	82%
			Projected Year of Payment	2019		-	2027	2021
Revenue-based Payments	$162 million	Discounted Cash Flow	Discount Rate	11	%	-	15%	13%
			Probability of Payment	60	%	-	100%	99%
			Projected Year of Payment	2019		-	2026	2021