Note 21—Earnings Per Share
The following table presents the calculation of net income (loss) available to common shareholders and basic and diluted EPS for the years ended December 31, 2025, 2024, and 2023. For each of the periods with net income presented in the table below, diluted EPS calculated under the two-class method was more dilutive.

Millions of Dollars (except per share amounts)
Years Ended December 31202520242023
Basic earnings per share
Net income (loss)$7,988 9,245 10,957 
Less: Dividends and undistributed earnings
allocated to participating securities27 27 35 
Net income (loss) available to common shareholders$7,961 9,218 10,922 
Weighted-average common shares outstanding (in millions)1,252 1,179 1,203 
Net income (loss) per share of common stock$6.36 7.82 9.08 
Diluted earnings per share
Net income (loss) available to common shareholders$7,961 9,218 10,922 
Weighted-average common shares outstanding (in millions)1,252 1,179 1,203 
Add: Dilutive impact of options and unvested
non-participating RSU/PSUs1 
Weighted-average diluted shares outstanding (in millions)1,253 1,181 1,206 
Net income (loss) per share of common stock$6.35 7.81 9.06 

Historical Timeline

Fiscal YearFiled
2025Feb 17, 2026Showing above
2024Feb 18, 2025
2023Feb 15, 2024
2022Feb 16, 2023

About Earnings Per Share Disclosures

The earnings per share disclosure breaks down the calculation from net income to both basic and diluted EPS, revealing the full impact of a company's capital structure on per-share economics. The reconciliation between basic and diluted share counts exposes how many stock options, RSUs, convertible securities, and warrants are potentially dilutive to existing shareholders.

Key signals: a widening gap between basic and diluted shares indicates growing dilution from equity compensation or convertible instruments. Anti-dilutive securities excluded from the diluted calculation deserve attention — they represent latent dilution that will materialize if the stock price rises. Watch for the effect of share buybacks on per-share metrics: EPS growth driven primarily by repurchases rather than income growth signals weakening fundamentals. Compare year-over-year changes in the diluted share count against equity compensation expense to assess whether management is effectively managing dilution.