v3.25.2
Earnings Per Share
 6 Months Ended
Jun. 30, 2025
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
The following table provides a reconciliation between basic and diluted earnings per share:

Three months ended
June 30,		Six months ended
June 30,
Millions, except per share amounts2025202420252024
Net income$1,876 $1,673 $3,502 $3,314 
Weighted-average number of shares outstanding:
Basic594.1 609.4 597.5609.3
Dilutive effect of stock options0.2 0.4 0.30.5
Dilutive effect of retention shares and units0.5 0.5 0.60.5
Diluted594.8 610.3 598.4610.3
Earnings per share - basic$3.16 $2.75 $5.86 $5.44 
Earnings per share - diluted$3.15 $2.74 $5.85 $5.43 
Stock options excluded as their inclusion would be anti-dilutive1.00.50.90.5