Income (Loss) per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Weighted average shares outstanding and antidilutive shares

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

	Three Months Ended March 31
Millions of shares	2020	2019
Basic weighted average common shares outstanding	878	873
Dilutive effect of awards granted under our stock incentive plans	—	—
Diluted weighted average common shares outstanding	878	873
Antidilutive shares:
Options with exercise price greater than the average market price	27	20
Shares which are antidilutive due to net loss position	3	—
Total antidilutive shares	30	20