Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Beginning balance	$ 26,041	$ 25,714
Acquisitions	16,024	35
Currency translation	(141)	292
Ending balance	41,924	26,041
Life Sciences Solutions [Member]
Goodwill [Roll Forward]
Beginning balance	8,590	8,544
Acquisitions	1,560	35
Currency translation	(7)	11
Ending balance	10,143	8,590
Analytical Instruments [Member]
Goodwill [Roll Forward]
Beginning balance	5,079	4,928
Acquisitions	56
Currency translation	(92)	151
Ending balance	5,043	5,079
Specialty Diagnostics [Member]
Goodwill [Roll Forward]
Beginning balance	3,370	3,184
Acquisitions	8
Currency translation	(101)	186
Ending balance	3,277	3,370
Laboratory Products and Biopharma Services [Member]
Goodwill [Roll Forward]
Beginning balance	9,002	9,058
Acquisitions	14,400
Currency translation	59	(56)
Ending balance	$ 23,461	$ 9,002

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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