v3.25.2
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Net income $ 1,876 $ 1,673 $ 3,502 $ 3,314
Weighted-average number of shares outstanding:        
Weighted average number of shares - basic (in shares) 594.1 609.4 597.5 609.3
Weighted average number of shares - diluted (in shares) 594.8 610.3 598.4 610.3
Earnings per share - basic (in dollars per share) $ 3.16 $ 2.75 $ 5.86 $ 5.44
Earnings per share - diluted (in dollars per share) $ 3.15 $ 2.74 $ 5.85 $ 5.43
Stock options excluded as their inclusion would be anti-dilutive (in shares) 1.0 0.5 0.9 0.5
Stock options        
Weighted-average number of shares outstanding:        
Weighted-average number of shares outstanding, dilutive effect on shares 0.2 0.4 0.3 0.5
Retention awards        
Weighted-average number of shares outstanding:        
Weighted-average number of shares outstanding, dilutive effect on shares 0.5 0.5 0.6 0.5