Income (Loss) per Share (Tables)

6 Months Ended

Jun. 30, 2023

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 June 30		Six Months Ended June 30
Millions of shares	2023	2022	2023	2022
Basic weighted average common shares outstanding	901	904	902	902
Dilutive effect of awards granted under our stock incentive plans	2	5	3	4
Diluted weighted average common shares outstanding	903	909	905	906
Antidilutive shares:
Options with exercise price greater than the average market price	13	14	14	15
Total antidilutive shares	13	14	14	15