v3.26.1

Cover Page - € / shares	3 Months Ended
Cover Page - € / shares	Mar. 31, 2026	May 04, 2026	Dec. 31, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2026
Document Transition Report	false
Entity File Number	001-39695
Entity Registrant Name	VIATRIS INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	83-4364296
Entity Address, Address Line One	1000 Mylan Boulevard
Entity Address, City or Town	Canonsburg
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	15317
City Area Code	724
Local Phone Number	514-1800
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	VTRS
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filler Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Common Stock, Par or Stated Value Per Share	€ 0.01		€ 0.01
Entity Common Stock, Shares Outstanding		1,164,552,654
Entity Central Index Key	0001792044
Amendment Flag	false
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31

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Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.

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Face amount or stated value per share of common stock.

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Viatris Inc 10-Q