Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

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)	2023		2022		2021
Basic earnings (loss) attributable to Viatris Inc. common shareholders (numerator):
Net earnings (loss) attributable to Viatris Inc. common shareholders	$	54.7	$	2,078.6	$	(1,269.1)
Shares (denominator):
Weighted average shares outstanding	1,200.3		1,212.1		1,208.8
Basic earnings (loss) per share attributable to Viatris Inc. shareholders	$	0.05	$	1.71	$	(1.05)
Diluted earnings (loss) attributable to Viatris Inc. common shareholders (numerator):
Net earnings (loss) attributable to Viatris Inc. common shareholders	$	54.7	$	2,078.6	$	(1,269.1)
Shares (denominator):
Weighted average shares outstanding	1,200.3		1,212.1		1,208.8
Share-based awards	6.6		5.3		—
Total dilutive shares outstanding	1,206.9		1,217.4		1,208.8
Diluted earnings (loss) per share attributable to Viatris Inc. shareholders	$	0.05	$	1.71	$	(1.05)