| Schedule of Reconciliation of Basic and Diluted Earnings Per Share |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | 2024 | | 2023 | | Basic | Diluted | | Basic | Diluted | | Basic | Diluted | Amounts Attributed to Phillips 66 Common Stockholders (millions): | | | | | | | | | | Net Income Attributable to Phillips 66 | $ | 4,403 | | 4,403 | | | 2,117 | | 2,117 | | | 7,015 | | 7,015 | | | Income allocated to participating securities | (9) | | (2) | | | (10) | | (10) | | | (11) | | — | | | | | | | | | | | | Net income available to common stockholders | $ | 4,394 | | 4,401 | | | 2,107 | | 2,107 | | | 7,004 | | 7,015 | | | | | | | | | | | Weighted-average common shares outstanding (thousands): | 404,783 | | 406,008 | | | 418,607 | | 420,174 | | | 448,381 | | 450,136 | | | Effect of share-based compensation | 1,225 | | 2,045 | | | 1,567 | | 1,714 | | | 1,755 | | 3,074 | | Weighted-average common shares outstanding—EPS | 406,008 | | 408,053 | | | 420,174 | | 421,888 | | | 450,136 | | 453,210 | | | | | | | | | | | Earnings Per Share of Common Stock (dollars) | $ | 10.82 | | 10.79 | | | 5.01 | | 4.99 | | | 15.56 | | 15.48 | |
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