Acquisitions and Strategic Investments (Tables)

12 Months Ended

Dec. 31, 2017

Dec. 31, 2016

Business Combinations [Abstract]

Investment [Table Text Block]

he aggregate carrying amounts of our strategic investments were comprised of the following categories:

	As of
(in millions)	December 31, 2017		December 31, 2016
Equity method investments	$	209	$	265
Cost method investments	81		20
Available-for-sale securities	15		20
Notes receivable	47		42
	$	353	$	347

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

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

Payment for acquisitions, net of cash acquired	$	561
Fair value of contingent consideration	94
	$	655

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

Payment for acquisitions, net of cash acquired	$	1,735
Fair value of contingent consideration	63
	$	1,798

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

Payment for acquisitions, net of cash acquired	$	365
Fair value of contingent consideration	50
Fair value of debt repaid	43
	$	458

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

The following summarizes the aggregate purchase price allocation for the 2015 acquisitions as of December 31, 2015 (in millions):

Goodwill	$	573
Amortizable intangible assets	1,074
Indefinite-lived intangible assets	6
Inventory	103
Other assets acquired	165
Liabilities assumed	(123		)
	$	1,798

The following summarizes the purchase price allocation for our 2016 acquisitions as of December 31, 2016 (in millions):

Goodwill	$	204
Amortizable intangible assets	228
Other assets acquired	83
Liabilities assumed	(57		)
	$	458

The following summarizes the preliminary purchase price allocation for our 2017 acquisitions as of December 31, 2017

(in millions):

Goodwill	$	308
Amortizable intangible assets	278
Indefinite-lived intangible assets	186
Other assets acquired	45
Liabilities assumed	(58		)
Deferred tax liabilities	(104		)
	$	655

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	$	176	9-13	11% - 20%
Customer relationships	51		9-13	11% - 12%
Other intangible assets	1		4	11%
	$	228

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 December 31, 2017	Valuation Technique	Unobservable Input	Range
R&D and Commercialization-based Milestone	$125 million	Discounted Cash Flow	Discount Rate	2% - 3%
			Probability of Payment	17% - 100%
			Projected Year of Payment	2018 - 2022
Revenue-based Payments	$44 million	Discounted Cash Flow	Discount Rate	11% - 15%
			Projected Year of Payment	2018 - 2026

Schedule of Business Acquisitions by Acquisition, 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
Amounts recorded related to new acquisitions	50
Other amounts recorded related to prior acquisitions	1
Fair value adjustment	29
Contingent payments related to prior period acquisition	(122		)
Balance as of December 31, 2016	$	204
Amounts recorded related to new acquisitions	94
Fair value adjustment	(80		)
Contingent payments related to prior period acquisition	(48		)
Balance as of December 31, 2017	$	169

Business Acquisition, Purchase Price Allocation, Intangible Assets, Description

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	$	431	11-13	14% - 23%
Customer relationships	625		12-13	14% - 15%
Other intangible assets	18		13	14%
Indefinite-lived intangible assets:
In-process research & development	6		N/A	17%
	$	1,080

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

	Amount Assigned (in millions)		Amortization Period (in years)	Risk-Adjusted Discount Rates used in Purchase Price Allocation
Amortizable intangible assets:
Technology-related	$	268	13	24%
Other intangible assets	10		2-13	24%
Indefinite-lived intangible assets:
Purchased research and development	$	186	N/A	15%
	$	464