v3.26.1
Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Reconciliation of Basic and Diluted Earnings Per Share
Three Months Ended
June 30		Six Months Ended
June 30
2026202520262025
BasicDilutedBasicDilutedBasicDilutedBasicDiluted
Amounts Attributed to Phillips 66 Common Stockholders (millions):
Net Income Attributable to Phillips 663,847 3,847 877 877 4,054 4,054 1,364 1,364 
Income allocated to participating securities(3)— (2)(1)(4)— (5)(3)
Net income available to common stockholders$3,844 3,847 875 876 4,050 4,054 1,359 1,361 
Weighted-average common shares outstanding (thousands):
400,004 400,954 405,726 406,763 400,466 401,493 406,820 407,966 
Effect of share-based compensation950 1,664 1,037 1,166 1,027 1,979 1,146 1,482 
Weighted-average common shares outstanding—EPS400,954 402,618 406,763 407,929 401,493 403,472 407,966 409,448 
Earnings Per Share of Common Stock (dollars)
$9.59 9.55 2.15 2.15 10.09 10.05 3.33 3.32