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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Common Share Data Used for Computing Basic and Diluted Earnings Per Share

Basic and diluted earnings per share were computed using the following common share data (shares in millions):

		Three Months Ended March 31,
		2016				2015
Number of common shares outstanding at end of period			444.7				457.8
Effect of using weighted average common shares outstanding			1.4				0.7
Weighted average basic common shares outstanding			446.1				458.5
Dilutive effect of equity-based compensation awards and other contingently issuable shares			2.5				—
Weighted average diluted common shares outstanding			448.6				458.5
Potentially issuable shares			11.2				11.5
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding			2.5				11.5

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- References

No definition available.

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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://www.xbrl.org/2003/role/presentationRef
-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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