v3.25.2
Earnings per common share - Computations of Diluted Earnings Per Common Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Earnings Per Share [Abstract]        
Net income available to common equity $ 681 $ 628 $ 1,229 $ 1,134
Less: Income attributable to unvested stock-based compensation awards (2) (2) (3) (3)
Net income available to common shareholders $ 679 $ 626 $ 1,226 $ 1,131
Adjusted weighted-average shares outstanding:        
Common shares outstanding (including common stock issuable) and unvested stock-based compensation awards (in shares) 159,559 167,282 162,025 167,010
Less: Unvested stock-based compensation awards (in shares) (338) (331) (324) (305)
Plus: Incremental shares from assumed conversion of stock-based compensation awards (in shares) 784 708 810 667
Adjusted weighted-average shares outstanding (in shares) 160,005 167,659 162,511 167,372
Diluted earnings per common share (in USD per share) $ 4.24 $ 3.73 $ 7.55 $ 6.76