Acquisitions (Tables)

6 Months Ended

Jun. 30, 2015

Business Combinations [Abstract]

Business Combination, Components of Purchase Price [Table Text Block]

The components of the aggregate purchase price are as follows (in millions):

Cash, net of cash acquired	$	65
Fair value of prior interests	31
	$	96

The components of the aggregate preliminary purchase price are as follows (in millions):

Cash, net of cash acquired	$	63
Fair value of contingent consideration	31
	$	94

Business Combination, Purchase Price Allocation Schedule [Table Text Block]

The following summarizes the aggregate purchase price allocation for the 2014 acquisition as of June 30, 2014 (in millions):

Goodwill	$	39
Amortizable intangible assets	72
Other net assets	(1		)
Deferred income taxes	(14		)
	$	96

The following summarizes the aggregate purchase price allocation for the 2015 acquisition as of June 30, 2015 (in millions):

Goodwill	$	30
Amortizable intangible assets	68
Other net assets	3
Deferred income taxes	(7		)
	$	94

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

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

Balance as of December 31, 2014	$	274
Amounts recorded related to new acquisitions	31
Other amounts recorded related to prior acquisitions	—
Net fair value adjustments	46
Payments made	(110		)
Balance as of June 30, 2015	$	241

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 liability include the following significant unobservable inputs:

Contingent Consideration Liability	Fair Value as of June 30, 2015	Valuation Technique	Unobservable Input	Range
R&D, Regulatory and Commercialization-based Milestones	$14 million	Probability Weighted Discounted Cash Flow	Discount Rate	0.9% - 1.2%
			Probability of Payment	95% - 100%
			Projected Year of Payment	2015
Revenue-based Payments	$70 million	Probability Weighted Discounted Cash Flow	Discount Rate	11.5% - 15%
			Projected Year of Payment	2015 - 2018
	$157 million	Monte Carlo	Revenue Volatility	11% - 20%
			Risk Free Rate	LIBOR Term Structure
			Projected Year of Payment	2015-2018

The nonrecurring Level 3 fair value measurements of our intangible asset impairment analysis included the following significant unobservable inputs:

Intangible Asset	Valuation Date	Fair Value	Valuation Technique	Unobservable Input	Rate
In-Process R&D	June 30, 2015	$6 million	Income Approach - Excess Earnings Method	Discount Rate	16.5 - 20%
In-Process R&D	June 30, 2014	$83 million	Income Approach - Excess Earnings Method	Discount Rate	16.5 - 20%
Core Technology	June 30, 2014	$8 million	Income Approach - Excess Earnings Method	Discount Rate	15%
In-Process R&D	March 31, 2014	$6 million	Income Approach - Excess Earnings Method	Discount Rate	20%
Core Technology	March 31, 2014	$64 million	Income Approach - Excess Earnings Method	Discount Rate	15%

Business Acquisition, Purchase Price Allocation, Intangible Assets, Description [Table Text Block]

We allocated a portion of the purchase price to specific intangible asset categories as follows:

	Amount Assigned (in millions)		Weighted Average Amortization Period (in years)	Range of Risk- Adjusted Discount Rates used in Purchase Price Allocation
Amortizable intangible assets:
Technology-related	$	68	11	15	%
	$	68

We allocated a portion of the purchase price to specific intangible asset categories as follows:

	Amount Assigned (in millions)		Weighted Average Amortization Period (in years)	Range of Risk- Adjusted Discount Rates used in Purchase Price Allocation
Amortizable intangible assets:
Technology-related	$	71	14	14	%
Other intangible assets	1		2	14	%
	$	72