v3.26.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]        
Net income $ 1,993 $ 1,876 $ 3,694 $ 3,502
Weighted-average number of shares outstanding:        
Basic (in shares) 593.4 594.1 593.2 597.5
Diluted (in shares) 594.0 594.8 593.8 598.4
Earnings per share - basic (in dollars per share) $ 3.36 $ 3.16 $ 6.23 $ 5.86
Earnings per share - diluted (in dollars per share) $ 3.36 $ 3.15 $ 6.22 $ 5.85
Stock options excluded as their inclusion would be anti-dilutive (in shares) 1.1 1.0 1.2 0.9
Stock options        
Weighted-average number of shares outstanding:        
Dilutive effect of awards (in shares) 0.3 0.2 0.2 0.3
Retention awards        
Weighted-average number of shares outstanding:        
Dilutive effect of awards (in shares) 0.3 0.5 0.4 0.6