Acquisitions Purchase Price (Details) - USD ($) $ / shares in Units, $ in Millions							10 Months Ended	12 Months Ended
	Oct. 25, 2018	Aug. 29, 2017	Mar. 02, 2017	Feb. 14, 2017	Sep. 19, 2016	Mar. 31, 2016	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Oct. 31, 2016	Dec. 31, 2015
Purchase Price
Cash paid								$ 531	$ 7,332	$ 5,649
Debt Assumed									488	255
Fair Value of Contingent Consideration								11	17
Fair Value of Equity Awards Exchanged									6
Fair Value of Previously Held Interest									11
Purchase Price Payable								1	1
Cash Acquired								(1)	(72)	(447)
Total Purchase Price								542	7,783	5,457
Net Assets Acquired [Abstract]
Current assets								57	1,101	783
Property, plant and equipment								42	1,246	172
Goodwill								161	3,539	2,756
Other assets								14	54	80
Deferred tax liabilities								(7)	(1,133)
Other liabilities assumed								(14)	(970)
Liabilities assumed										(1,102)
Total Net Assets Acquired								$ 542	$ 7,783	$ 5,457
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)								13 years	16 years	13 years
In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets								$ 10	$ 2	$ 119
Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets								$ 108	$ 3,731	$ 1,561
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)								14 years	17 years	16 years
Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets								$ 163	$ 96	$ 1,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)								13 years	9 years	8 years
Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets								$ 8	$ 117	$ 88
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)								6 years	4 years	8 years
Advanced Bioprocessing business [Member]
Purchase Price
Cash paid	$ 476
Purchase Price Payable	1
Total Purchase Price	477
Net Assets Acquired [Abstract]
Current assets	53
Property, plant and equipment	42
Goodwill	146
Deferred tax liabilities	(7)
Other liabilities assumed	(5)
Total Net Assets Acquired	477
Revenue Reported by Acquired Entity									$ 100
Goodwill, Expected Tax Deductible Amount	146
Advanced Bioprocessing business [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets	108
Advanced Bioprocessing business [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets	132
Advanced Bioprocessing business [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets	$ 8
IntegenX Inc. [Member]
Purchase Price
Cash paid								$ 55
Fair Value of Contingent Consideration								11
Cash Acquired								(1)
Total Purchase Price								65
Net Assets Acquired [Abstract]
Current assets								4
Goodwill								15
Other assets								14
Other liabilities assumed								(9)
Total Net Assets Acquired								65
IntegenX Inc. [Member] | In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets								10
IntegenX Inc. [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets								$ 31
Patheon N.V. [Member]
Business Acquisition [Line Items]
Business Acquisition, Share Price		$ 35.00
Purchase Price
Cash paid		$ 6,911
Debt Assumed		488
Fair Value of Equity Awards Exchanged		6
Cash Acquired		(47)
Total Purchase Price		7,358
Net Assets Acquired [Abstract]
Current assets		1,062
Property, plant and equipment		1,242
Goodwill		3,276
Other assets		54
Deferred tax liabilities		(1,093)
Other liabilities assumed		(936)
Total Net Assets Acquired		7,358
Revenue Reported by Acquired Entity											$ 1,870
Goodwill, Expected Tax Deductible Amount		125
Patheon N.V. [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets		3,641
Patheon N.V. [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets		0
Patheon N.V. [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets		$ 112
Core Informatics [Member]
Purchase Price
Cash paid			$ 95
Fair Value of Contingent Consideration			9
Cash Acquired			(10)
Total Purchase Price			94
Net Assets Acquired [Abstract]
Current assets			2
Goodwill			63
Deferred tax liabilities			(4)
Other liabilities assumed			(5)
Total Net Assets Acquired			94
Revenue Reported by Acquired Entity										$ 10
Goodwill, Expected Tax Deductible Amount			50
Core Informatics [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets			6
Core Informatics [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets			29
Core Informatics [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets			$ 3
Finesse Solutions, Inc. [Member]
Purchase Price
Cash paid				$ 223
Cash Acquired				(2)
Total Purchase Price				221
Net Assets Acquired [Abstract]
Current assets				17
Property, plant and equipment				1
Goodwill				136
Deferred tax liabilities				(22)
Other liabilities assumed				(15)
Total Net Assets Acquired				221
Revenue Reported by Acquired Entity										50
Goodwill, Expected Tax Deductible Amount				0
Finesse Solutions, Inc. [Member] | In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets				2
Finesse Solutions, Inc. [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets				68
Finesse Solutions, Inc. [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets				32
Finesse Solutions, Inc. [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets				$ 2
FEI Company [Member]
Purchase Price
Cash paid					$ 4,451
Cash Acquired					(369)
Total Purchase Price					4,082
Net Assets Acquired [Abstract]
Current assets					619
Property, plant and equipment					153
Goodwill					2,125
Other assets					72
Liabilities assumed					(825)
Total Net Assets Acquired					4,082
Revenue Reported by Acquired Entity												$ 930
Goodwill, Expected Tax Deductible Amount					65
FEI Company [Member] | In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets					105
FEI Company [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets					1,051
FEI Company [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets					740
FEI Company [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets					$ 42
Affymetrix, Inc. [Member]
Purchase Price
Cash paid						$ 1,166
Debt Assumed						254
Cash Acquired						(78)
Total Purchase Price						1,342
Net Assets Acquired [Abstract]
Current assets						161
Property, plant and equipment						19
Goodwill						615
Other assets						8
Liabilities assumed						(275)
Total Net Assets Acquired						1,342
Revenue Reported by Acquired Entity												$ 360
Goodwill, Expected Tax Deductible Amount						0
Deferred Tax Liabilities, Undistributed Foreign Earnings						156
Affymetrix, Inc. [Member] | In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets						14
Affymetrix, Inc. [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets						501
Affymetrix, Inc. [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets						253
Affymetrix, Inc. [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets						$ 46
Other [Member]
Purchase Price
Cash paid									103	32
Debt Assumed										1
Fair Value of Contingent Consideration									8
Fair Value of Previously Held Interest									11
Purchase Price Payable									1
Cash Acquired									(13)
Total Purchase Price									110	33
Net Assets Acquired [Abstract]
Current assets									20	3
Property, plant and equipment									3
Goodwill									64	16
Deferred tax liabilities									(14)
Other liabilities assumed									(14)
Liabilities assumed										(2)
Total Net Assets Acquired									110	33
Other [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets									16	9
Other [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets									$ 35	$ 7
Scenario, Forecast [Member] | Gatan, Inc. [Member]
Purchase Price
Cash paid							$ 925