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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Property, Plant and Equipment Estimated Useful Lives

Depreciation of property, plant and equipment is computed using the straight-line method over the following estimated useful lives: 

			Years
Buildings			5 to 50
Buildings Improvements			1 to 40
Leasehold Improvements			1 to 40
Machinery and Equipment			1 to 30

Basic and Dilutive Common Shares Outstanding Used in Determining Net Income Per Share

Basic and dilutive common shares outstanding used in determining net income per share are as follows:

			Years Ended 31 March
(Millions of shares)			2021						2020						2019
Basic common shares outstanding			443.7						442.6						441.9
Dilutive effect of stock awards			1.7						1.5						1.1
Diluted common shares outstanding			445.4						444.1						443.0

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- Definition

Tabular disclosure of estimated useful lives of property, plant and equipment.

+ References

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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