Earnings (Loss) Per Common Share (Tables)

9 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of computations for basic and diluted earnings per common share

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

	Three Months Ended December 31,				Nine Months Ended December 31,
(In millions, except per share amounts)	2021		2020		2021		2020
Income (loss) from continuing operations	$	39	$	(6,174)	$	885	$	(5,052)
Net income attributable to noncontrolling interests	(46)		(52)		(136)		(152)
Income (loss) from continuing operations attributable to McKesson Corporation	(7)		(6,226)		749		(5,204)
Loss from discontinued operations, net of tax	—		—		(3)		(1)
Net income (loss) attributable to McKesson Corporation	$	(7)	$	(6,226)	$	746	$	(5,205)
Weighted-average common shares outstanding:
Basic	151.6		159.5		154.0		161.2
Effect of dilutive securities:
Stock options	—		—		0.2		—
Restricted stock units (1)	—		—		1.6		—
Diluted	151.6		159.5		155.8		161.2
Earnings (loss) per common share attributable to McKesson: (2)
Diluted
Continuing operations	$	(0.04)	$	(39.03)	$	4.81	$	(32.28)
Discontinued operations	—		—		(0.02)		(0.01)
Total	$	(0.04)	$	(39.03)	$	4.79	$	(32.29)
Basic
Continuing operations	$	(0.04)	$	(39.03)	$	4.87	$	(32.28)
Discontinued operations	—		—		(0.02)		(0.01)
Total	$	(0.04)	$	(39.03)	$	4.85	$	(32.29)

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

(2)Certain computations may reflect rounding adjustments.