Income per Share Income per Share (Tables)

12 Months Ended

Dec. 31, 2022

Weighted average shares outstanding and antidilutive shares [Line Items]

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:

	Year Ended December 31
Millions of shares	2022	2021	2020
Basic weighted average common shares outstanding	904	892	881
Dilutive effect of awards granted under our stock incentive plans	4	—	—
Diluted weighted average common shares outstanding	908	892	881
Antidilutive shares:
Options with exercise price greater than the average market price	15	22	27
Options which are antidilutive due to net loss position	—	—	1
Total antidilutive shares	15	22	28