v3.26.1
Earnings Per Share - Computation Of Basic Earnings And Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Earnings Per Share Reconciliation [Abstract]      
Net income $ 887 $ 1,121 $ 1,273
Weighted-average common stock outstanding - basic (in shares) 250 262 270
Dilutive potential common shares related to stock award plans (in shares) 3 2 2
Weighted average common stock outstanding - diluted (in shares) 253 264 272
Basic (in dollars per share) $ 3.55 $ 4.28 $ 4.71
Diluted (in dollars per share) $ 3.51 $ 4.25 $ 4.68