Earnings per common share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Computations of Basic Earnings Per Common Share

The computations of basic earnings per common share follow:

	Three Months Ended September 30						Nine Months Ended September 30
	2019			2018			2019			2018
	(In thousands, except per share)
Income available to common shareholders:
Net income	$	480,081			526,091			1,436,083			1,371,861
Less: Preferred stock dividends (a)		(16,103	)		(18,130	)		(52,364	)		(54,390	)
Net income available to common equity		463,978			507,961			1,383,719			1,317,471
Less: Income attributable to unvested stock-based    compensation awards		(2,568	)		(2,598	)		(7,591	)		(6,774	)
Net income available to common shareholders	$	461,410			505,363			1,376,128			1,310,697
Weighted-average shares outstanding:
Common shares outstanding (including common stock    issuable) and unvested stock-based compensation    awards		133,703			143,556			136,156			146,177
Less: Unvested stock-based compensation awards		(738	)		(734	)		(745	)		(753	)
Weighted-average shares outstanding		132,965			142,822			135,411			145,424
Basic earnings per common share	$	3.47			3.54			10.16			9.01

 (a)Including impact of not as yet declared cumulative dividends.

Computations of Diluted Earnings Per Common Share

The computations of diluted earnings per common share follow:

	Three Months Ended September 30						Nine Months Ended September 30
	2019			2018			2019			2018
	(In thousands, except per share)
Net income available to common equity	$	463,978			507,961			1,383,719			1,317,471
Less: Income attributable to unvested stock-based    compensation awards		(2,568	)		(2,596	)		(7,590	)		(6,768	)
Net income available to common shareholders	$	461,410			505,365			1,376,129			1,310,703
Adjusted weighted-average shares outstanding:
Common and unvested stock-based compensation    awards		133,703			143,556			136,156			146,177
Less: Unvested stock-based compensation awards		(738	)		(734	)		(745	)		(753	)
Plus: Incremental shares from assumed conversion of    stock-based compensation awards and warrants to    purchase common stock		34			154			32			181
Adjusted weighted-average shares outstanding		132,999			142,976			135,443			145,605
Diluted earnings per common share	$	3.47			3.53			10.16			9.00