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Income (Loss) per Share

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Income (Loss) per Share

Income per Share

Basic income per share is based on the weighted average number of common shares outstanding during the period. Diluted income per share includes additional common shares that would have been outstanding if potential common shares with a dilutive effect had been issued. Antidilutive shares represent potential common shares which are excluded from the computation of diluted income per share as their impact would be antidilutive.

A reconciliation of the number of shares used for the basic and diluted income per share computations is as follows:

	Three Months Ended September 30				Nine Months Ended September 30
Millions of shares	2018		2017		2018		2017
Basic weighted average common shares outstanding	877		872		876		869
Dilutive effect of awards granted under our stock incentive plans	1		1		3		3
Diluted weighted average common shares outstanding	878		873		879		872
Antidilutive shares:
Options with exercise price greater than the average market price	15		14		7		6
Total antidilutive shares	15		14		7		6

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- References

No definition available.

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- Definition

The entire disclosure for earnings per share.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-URI http://asc.fasb.org/topic&trid=2144383

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