Earnings Per Common Share (Tables)

6 Months Ended

Sep. 30, 2020

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 September 30,				Six Months Ended September 30,
(In millions, except per share amounts)	2020		2019		2020		2019
Income (loss) from continuing operations	$	627	$	(676)	$	1,122	$	(193)
Net income attributable to noncontrolling interests	(50)		(53)		(100)		(107)
Income (loss) from continuing operations attributable to McKesson	577		(729)		1,022		(300)
Loss from discontinued operations, net of tax	—		(1)		(1)		(7)
Net income (loss) attributable to McKesson	$	577	$	(730)	$	1,021	$	(307)
Weighted-average common shares outstanding:
Basic	162		183		162		185
Effect of dilutive securities:
Restricted stock units	1		—		1		—
Diluted	163		183		163		185
Earnings (loss) per common share attributable to McKesson: (1)
Diluted
Continuing operations	$	3.54	$	(3.99)	$	6.26	$	(1.62)
Discontinued operations	—		—		—		(0.03)
Total	$	3.54	$	(3.99)	$	6.26	$	(1.65)
Basic
Continuing operations	$	3.56	$	(3.99)	$	6.31	$	(1.62)
Discontinued operations	—		—		(0.01)		(0.03)
Total	$	3.56	$	(3.99)	$	6.30	$	(1.65)

(1) Certain computations may reflect rounding adjustments.