Income (Loss) per Share (Tables)
3 Months Ended
Mar. 31, 2024
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 shares20242023
Basic weighted average common shares outstanding889 904 
Dilutive effect of awards granted under our stock incentive plans
Diluted weighted average common shares outstanding891 907 
Antidilutive shares:
Options with exercise price greater than the average market price11 14 
Total antidilutive shares11 14