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Earnings Per Share
9 Months Ended
Sep. 30, 2025
Earnings Per Share [Abstract]  
Earnings Per Share
Note 17—Earnings Per Share
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
September 30
Nine Months Ended
September 30
2025202420252024
Basic earnings per share
Net income (loss)$1,726 2,0596,5466,939
Less: Dividends and undistributed earnings
allocated to participating securities672221
Net income (loss) available to common shareholders$1,720 2,0526,5246,918
Weighted-average common shares outstanding (in millions)1,2451,1611,2591,169
Net income (loss) per share of common stock$1.38 1.775.185.92
Diluted earnings per share
Net income (loss) available to common shareholders$1,720 2,0526,5246,918
Weighted-average common shares outstanding (in millions)1,2451,1611,2591,169
Add: Dilutive impact of options and unvested
non-participating RSU/PSUs (in millions)2212
Weighted-average diluted shares outstanding (in millions)1,2471,1631,2601,171
Net income (loss) per share of common stock$1.38 1.765.185.91