Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Earnings Per Common Share Attributable To Mylan

Basic and diluted earnings per share attributable to Viatris Inc. are calculated as follows:

	Year Ended December 31,
(In millions, except per share amounts)	2022		2021		2020
Basic earnings (loss) attributable to Viatris Inc. common shareholders (numerator):
Net earnings (loss) attributable to Viatris Inc. common shareholders	$	2,078.6	$	(1,269.1)	$	(669.9)
Shares (denominator):
Weighted average shares outstanding	1,212.1		1,208.8		601.2
Basic earnings (loss) per share attributable to Viatris Inc. shareholders	$	1.71	$	(1.05)	$	(1.11)
Diluted earnings (loss) attributable to Viatris Inc. common shareholders (numerator):
Net earnings (loss) attributable to Viatris Inc. common shareholders	$	2,078.6	$	(1,269.1)	$	(669.9)
Shares (denominator):
Weighted average shares outstanding	1,212.1		1,208.8		601.2
Share-based awards	5.3		—		—
Total dilutive shares outstanding	1,217.4		1,208.8		601.2
Diluted earnings (loss) per share attributable to Viatris Inc. shareholders	$	1.71	$	(1.05)	$	(1.11)