v3.26.1
Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Earning Per Share Basic And Diluted [Abstract]        
Net income available for common shareholders (A) $ 31,778 $ 25,824 $ 97,983 $ 74,599
Weighted average outstanding shares of common stock (B) 7,426 7,434 7,430 7,434
Dilutive effect of stock-based awards 19 27 27 32
Common stock and common stock equivalents (C) 7,445 7,461 7,457 7,466
Earnings Per Share        
Basic (A/B) $ 4.28 $ 3.47 $ 13.19 $ 10.03
Diluted (A/C) $ 4.27 $ 3.46 $ 13.14 $ 9.99