Earnings (Loss) Per Common Share

6 Months Ended

Jun. 30, 2020

Basic and diluted earnings (loss) per common share were calculated as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019	2020	2019
	(Dollars in millions, except per share amounts, shares in thousands)
Income (Loss) (Numerator):
Net income (loss)	$	377	371	691	(5,794)
Net income (loss) applicable to common stock for computing basic earnings per common share	377		371	691	(5,794)
Net income (loss) as adjusted for purposes of computing diluted earnings per common share	$	377	371	691	(5,794)
Shares (Denominator):
Weighted-average number of shares:
Outstanding during period	1,097,586		1,090,342	1,095,278	1,086,966
Non-vested restricted stock	(18,111)		(19,001)	(17,523)	(16,856)
Weighted-average shares outstanding for computing basic earnings per common share	1,079,475		1,071,341	1,077,755	1,070,110
Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities	10		10	10	—
Shares issuable under incentive compensation plans	3,082		1,462	4,453	—
Number of shares as adjusted for purposes of computing diluted earnings (loss) per common share	1,082,567		1,072,813	1,082,218	1,070,110
Basic earnings (loss) per common share	$	0.35	0.35	0.64	(5.41)
Diluted earnings (loss) per common share ⁽¹⁾	$	0.35	0.35	0.64	(5.41)

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⁽¹⁾For the six months ended June 30, 2019, we excluded from the calculation of diluted loss per share 2.4 million shares, potentially issuable under incentive compensation plans or convertible securities, as their effect, if included, would have been anti-dilutive.

Our calculation of diluted earnings (loss) per common share excludes shares of common stock that are issuable upon exercise of stock options when the exercise price is greater than the average market price of our common stock. We also exclude unvested restricted stock awards that are antidilutive as a result of unrecognized compensation cost. Such shares averaged 8.7 million and 14.3 million for the three months ended June 30, 2020 and 2019, respectively, and 5.7 million and 9.9 million for the six months ended June 30, 2020 and 2019, respectively.