Earnings per common share (Tables)

3 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Computations of Basic Earnings Per Common Share

The computations of basic earnings per common share follow:

	Three Months Ended March 31,
(Dollars in millions, except per share, shares in thousands)	2025		2024
Income available to common shareholders:
Net income	$	584	$	531
Less: Preferred stock dividends	(36)		(25)
Net income available to common equity	548		506
Less: Income attributable to unvested stock-based compensation awards	(1)		(1)
Net income available to common shareholders	$	547	$	505
Weighted-average shares outstanding:
Common shares outstanding (including common stock issuable) and unvested stock-based compensation awards	164,520		166,738
Less: Unvested stock-based compensation awards	(311)		(278)
Weighted-average shares outstanding	164,209		166,460
Basic earnings per common share	$	3.33	$	3.04

Computations of Diluted Earnings Per Common Share

The computations of diluted earnings per common share follow:

	Three Months Ended March 31,
(Dollars in millions, except per share, shares in thousands)	2025		2024
Net income available to common equity	$	548	$	506
Less: Income attributable to unvested stock-based compensation awards	(1)		(1)
Net income available to common shareholders	$	547	$	505
Adjusted weighted-average shares outstanding:
Common shares outstanding (including common stock issuable) and unvested stock-based compensation awards	164,520		166,738
Less: Unvested stock-based compensation awards	(311)		(278)
Plus: Incremental shares from assumed conversion of stock-based compensation awards	838		624
Adjusted weighted-average shares outstanding	165,047		167,084
Diluted earnings per common share	$	3.32	$	3.02