Earnings per Common Share (Tables)

12 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per common share

The computations for basic and diluted earnings or loss per common share are as follows:

	Years Ended March 31,
(In millions, except per share amounts)	2022		2021		2020
Income (loss) from continuing operations	$	1,292	$	(4,339)	$	1,126
Net income attributable to noncontrolling interests	(173)		(199)		(220)
Income (loss) from continuing operations attributable to McKesson	1,119		(4,538)		906
Loss from discontinued operations, net of tax	(5)		(1)		(6)
Net income (loss) attributable to McKesson	$	1,114	$	(4,539)	$	900
Weighted-average common shares outstanding:
Basic	152.3		160.6		180.6
Effect of dilutive securities:
Stock options	0.2		—		—
Restricted stock units (1)	1.6		—		1.0
Diluted	154.1		160.6		181.6
Earnings (loss) per common share attributable to McKesson: (2)
Diluted
Continuing operations	$	7.26	$	(28.26)	$	4.99
Discontinued operations	(0.03)		—		(0.04)
Total	$	7.23	$	(28.26)	$	4.95
Basic
Continuing operations	$	7.35	$	(28.26)	$	5.01
Discontinued operations	(0.03)		—		(0.03)
Total	$	7.32	$	(28.26)	$	4.98

(1)Includes dilutive effect from restricted stock units and performance-based stock units.

(2)Certain computations may reflect rounding adjustments.