Segment Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Reconciliation of Segment Information to Total Consolidated Information

Presented in the table below is segment information for the periods identified and a reconciliation of segment information to total consolidated information.

	Net Sales						Segment Profitability
	Years Ended December 31,						Years Ended December 31,
(In millions)	2023		2022		2021		2023		2022		2021
Reportable Segments:
Developed Markets	$	9,251.9	$	9,768.9	$	10,428.7	$	4,086.5	$	4,878.1	$	5,143.1
Greater China	2,160.4		2,201.2		2,212.8		1,426.8		1,512.5		1,397.1
JANZ	1,424.5		1,632.4		2,027.4		522.9		665.5		762.4
Emerging Markets	2,551.6		2,615.6		3,144.7		1,091.9		1,207.1		1,402.4
Total reportable segments	$	15,388.4	$	16,218.1	$	17,813.6	$	7,128.1	$	8,263.2	$	8,705.0
Reconciling items:
Intangible asset amortization expense							(2,317.1)		(2,504.6)		(2,702.2)
Intangible asset disposal & impairment charges							(32.0)		(173.5)		(102.8)
Impairment of goodwill							(580.1)		(117.0)		—
Globally managed research and development costs							(805.2)		(662.2)		(681.0)
Acquired IPR&D							(105.5)		(36.4)		(70.1)
Litigation settlements & other contingencies							(111.6)		(4.4)		(329.2)
Transaction related and other special items							(774.4)		(1,026.9)		(2,832.2)
Corporate and other unallocated							(1,636.0)		(2,123.3)		(2,021.5)
Earnings (loss) from operations							$	766.2	$	1,614.9	$	(34.0)

Schedule of Revenue by Major Customers by Reporting Segments

The following table represents the percentage of consolidated net sales to Viatris’ major customers during the years ended December 31, 2023, 2022, and 2021:

	Percentage of Consolidated Net Sales
	2023		2022		2021
McKesson Corporation	10	%	11	%	9	%
AmerisourceBergen Corporation	10	%	10	%	9	%
Cardinal Health, Inc.	5	%	5	%	5	%

Net Third Party Sales Classified Based on Geographic Location of Subsidiaries

Net sales by country are presented on the basis of geographic location of our subsidiaries:

	Year Ended December 31,
(In millions)	2023		2022		2021
United States	$	3,551.8	$	3,946.6	$	4,176.4
China	1,889.0		1,951.3		1,981.5

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No other country’s net sales represents more than 10% of consolidated net sales.