Earnings (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings (Loss) per Common Share

The following table sets forth the computation of basic and diluted earnings (loss) per common share (EPS) (in millions, except share and per share amounts):

	Year Ended December 31,
	2021		2020		2019
Basic EPS:
Net income (loss)	$	(1,993)	$	(8,885)	$	1,686
Weighted average common shares outstanding (in thousands)	644,015		483,888		443,363
Basic EPS	$	(3.09)	$	(18.36)	$	3.80
Diluted EPS:
Net income (loss) for purposes of computing diluted EPS	$	(1,993)	$	(8,885)	$	1,686
Share computation for diluted EPS (in thousands):
Basic weighted average common shares outstanding	644,015		483,888		443,363
Dilutive effect of stock awards and warrants	—		—		906
Diluted weighted average common shares outstanding	644,015		483,888		444,269
Diluted EPS	$	(3.09)	$	(18.36)	$	3.79

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Securities that could potentially dilute EPS in the future, and which were excluded from the calculation of diluted EPS because inclusion of such shares would be antidilutive, are as follows (in thousands):

	Year Ended December 31,
	2021	2020	2019
6.50% convertible senior notes	61,728	31,882	—
PSP1 Warrants	5,392	349	—
Restricted stock unit awards	3,420	4,584	2,520
Treasury Loan Warrants	1,681	107	—
PSP2 Warrants	1,300	—	—