v3.25.4

Supplemental Income Statement Information - Schedule of Changes in the Company's Accrued Restructuring Balance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Reserve [Roll Forward]
Beginning balance	$ 50	$ 60	$ 41
Net restructuring charges incurred	197	97	194
Payments	(175)	(105)	(175)
Currency translation and other	(1)	(2)
Ending balance	$ 70	$ 50	60
Restructuring charges, statement of income or comprehensive income [Extensible Enumeration]	Restructuring and other costs	Restructuring and other costs
Impairment, long-lived asset, held-for-use, statement of income or comprehensive income [Extensible Enumeration]	Restructuring and other costs
Non-cash charges	$ 165	$ 282	264
Impairment of long-lived assets	94	211	126
Loss on contract termination			26
Pre-acquisition litigation costs			19
Impairment of disposal group		41	93
Loss attributable to noncontrolling interest		$ 19	$ 46
Consolidated Joint Venture
Restructuring Reserve [Roll Forward]
Loss on disposition of stock in subsidiary	$ 51

Restructuring and other costs which consist principally of gains and losses resulting from changes in estimates for significant litigation-related matters, and, in some periods, may also include gains and losses on the sale of businesses, product lines and real estate, and asset impairment charges.

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THERMO FISHER SCIENTIFIC INC. 10-K