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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Earnings Per Share, Basic and Diluted
The following table presents the calculation of net income (loss) available to common shareholders and basic and diluted EPS. For the periods presented in the table below, diluted EPS calculated under the two-class method was more dilutive.

Millions of Dollars
(except per share amounts)
Three Months Ended
March 31
20252024
Basic earnings per share
Net Income (Loss)$2,849 2,551
Less: Dividends and undistributed earnings
allocated to participating securities99
Net Income (Loss) available to common shareholders$2,840 2,542
Weighted-average common shares outstanding (in millions)1,2731,178
Net Income (Loss) Per Share of Common Stock$2.23 2.16
Diluted earnings per share
Net Income (Loss) available to common shareholders$2,840 2,542
Weighted-average common shares outstanding (in millions)1,2731,178
Add: Dilutive impact of options and unvested
non-participating RSU/PSUs (in millions)22
Weighted-average diluted shares outstanding (in millions)1,2751,180
Net Income (Loss) Per Share of Common Stock$2.23 2.15