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Earnings (Loss) Per Common Share

12 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Earnings (Loss) Per Common Share

Earnings (Loss) Per Common Share

Basic earnings (loss) per common share is computed by dividing net income (loss) by the weighted-average number of common shares outstanding during the reporting period. The computation of diluted earnings (loss) per common share is similar to that of basic earnings (loss) per common share, except that the former reflects the potential dilution that could occur if dilutive securities or other obligations to issue common stock were exercised or converted into common stock. Potentially dilutive securities include outstanding stock options, restricted stock units, and performance-based and other restricted stock units.

Diluted loss per common share for the year ended March 31, 2021 was calculated by excluding all dilutive securities from the denominator of the share computation due to their anti-dilutive effects. Less than 1 million of potentially dilutive securities for fiscal 2023 and fiscal 2022 were excluded from the computation of diluted earnings (loss) per common share as they were anti-dilutive.

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

			Years Ended March 31,
(In millions, except per share amounts)			2023						2022						2021
Income (loss) from continuing operations			$	3,725					$	1,292					$	(4,339)
Net income attributable to noncontrolling interests			(162)						(173)						(199)
Income (loss) from continuing operations attributable to McKesson Corporation			3,563						1,119						(4,538)
Loss from discontinued operations, net of tax			(3)						(5)						(1)
Net income (loss) attributable to McKesson Corporation			$	3,560					$	1,114					$	(4,539)
Weighted-average common shares outstanding:
Basic			141.1						152.3						160.6
Effect of dilutive securities:
Stock options			0.2						0.2						—
Restricted stock units (1)			0.9						1.6						—
Diluted			142.2						154.1						160.6
Earnings (loss) per common share attributable to McKesson Corporation: (2)
Diluted
Continuing operations			$	25.05					$	7.26					$	(28.26)
Discontinued operations			(0.02)						(0.03)						—
Total			$	25.03					$	7.23					$	(28.26)
Basic
Continuing operations			$	25.25					$	7.35					$	(28.26)
Discontinued operations			(0.02)						(0.03)						—
Total			$	25.23					$	7.32					$	(28.26)

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

(2)Certain computations may reflect rounding adjustments.

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- Definition

The entire disclosure for earnings per share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-URI https://asc.fasb.org/topic&trid=2144383

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257

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