v3.25.2
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Earnings Per Share, Basic and Diluted, by Common Class, Including Two Class Method [Line Items]    
Earnings for basic computations $ 269 $ 164
Earnings for diluted computations $ 269 $ 164
Weighted-average common stock shares outstanding, basic (in shares) 124,114,149 129,387,052
Dilutive stock options and restricted stock (in shares) 361,521 530,211
Weighted-average common stock shares outstanding, diluted (in shares) 124,475,670 129,917,263
Earnings per common share:    
Basic (in dollars per share) $ 2.17 $ 1.27
Diluted (in dollars per share) $ 2.16 $ 1.27
Restricted Stock    
Earnings per common share:    
Unvested shares participating in the payment of the company's dividends declared (in shares) 800,000 600,000