v3.25.2
Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2025
Earnings Per Share [Abstract]  
Schedule of Reconciliation of Basic and Diluted Earnings Per Share
 Three Months Ended
June 30		Six Months Ended
June 30
 2025202420252024
BasicDilutedBasicDilutedBasicDilutedBasicDiluted
Amounts Attributed to Phillips 66 Common Stockholders (millions):
Net Income Attributable to Phillips 66877 877 1,015 1,015 1,364 1,364 1,763 1,763 
Income allocated to participating securities(2)(1)(3)(1)(5)(3)(5)(2)
Net income available to common stockholders$875 876 1,012 1,014 1,359 1,361 1,758 1,761 
Weighted-average common shares outstanding (thousands):
405,726 406,763 421,313 422,869 406,820 407,966 424,239 425,914 
Effect of share-based compensation1,037 1,166 1,556 2,865 1,146 1,482 1,675 3,079 
Weighted-average common shares outstanding—EPS406,763 407,929 422,869 425,734 407,966 409,448 425,914 428,993 
Earnings Per Share of Common Stock (dollars)
$2.15 2.15 2.39 2.38 3.33 3.32 4.13 4.10