Earnings (Loss) Per Common Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Earnings (Loss) Per Common Share [Table Text Block]

	Three Months Ended  September 30,				Nine Months Ended  September 30,
	2020		2019		2020		2019
	(Dollars in millions, except per-share amounts; shares in thousands)
Net income (loss) available to common stockholders	$	308	$	220	$	93	$	724
Basic weighted-average shares	1,213,912		1,212,270		1,213,512		1,211,938
Effect of dilutive securities:
Nonvested restricted stock units	1,423		1,790		1,241		1,809
Stock options	—		105		4		196
Diluted weighted-average shares	1,215,335		1,214,165		1,214,757		1,213,943
Earnings (loss) per common share:
Basic	$	.25	$	.18	$	.08	$	.60
Diluted	$	.25	$	.18	$	.08	$	.60