Earnings Per Common Share (Tables)

3 Months Ended

Jun. 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 June 30,
(In millions, except per share amounts)	2020		2019
Income from continuing operations	$	495	$	483
Net income attributable to noncontrolling interests	(50)		(54)
Income from continuing operations attributable to McKesson	445		429
Loss from discontinued operations, net of tax	(1)		(6)
Net income attributable to McKesson	$	444	$	423
Weighted-average common shares outstanding:
Basic	162		188
Effect of dilutive securities:
Restricted stock units	1		1
Diluted	163		189
Earnings (loss) per common share attributable to McKesson: (1)
Diluted
Continuing operations	$	2.72	$	2.27
Discontinued operations	—		(0.03)
Total	$	2.72	$	2.24
Basic
Continuing operations	$	2.74	$	2.28
Discontinued operations	—		(0.03)
Total	$	2.74	$	2.25

(1)Certain computations may reflect rounding adjustments.