XML 48 R37.htm IDEA: XBRL DOCUMENT v3.25.3
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Earnings Per Share, Basic and Diluted, by Common Class, Including Two Class Method [Line Items]        
Earnings for basic computations $ 174 $ 388 $ 443 $ 552
Earnings for diluted computations $ 174 $ 388 $ 443 $ 552
Weighted-average common stock shares outstanding, basic (in shares) 122,662,037 128,391,878 123,388,093 128,893,263
Dilutive stock options and restricted stock (in shares) 219,526 456,199 289,899 494,459
Weighted-average common stock shares outstanding, diluted (in shares) 122,881,563 128,848,077 123,677,992 129,387,722
Earnings per common share:        
Basic (in dollars per share) $ 1.42 $ 3.02 $ 3.59 $ 4.29
Diluted (in dollars per share) $ 1.42 $ 3.01 $ 3.58 $ 4.27
Restricted Stock        
Earnings per common share:        
Unvested shares participating in the payment of the company's dividends declared (in shares) 900,000 800,000 900,000 700,000