Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Class of Treasury Stock

The following table summarizes our common share repurchases and issuances associated with these programs.

	Years Ended December 31,
(Shares and per share amounts in actuals)	2020		2019		2018
Common stock repurchased under repurchase program(1)(2)	47,736,847		16,962,199		—
Average purchase price per share(3)	$	9.66	$	9.86	$	—
Shares repurchased related to employee stock-based compensation plans(4)	1,197,843		1,369,630		3,087,396
Average purchase price per share	$	10.93	$	10.85	$	11.32
Common shares issued(5)	3,129,325		3,743,705		6,392,634

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(1)      Common shares purchased under our share repurchase programs. $75 million of capacity under the 2020 Share Repurchase Program remained available as of December 31, 2020.

(2)      For the year ended December 31, 2020, the amount includes 44.9 million shares related to the initial delivery of shares under our accelerated share repurchase agreement, described above.

(3)      Average purchase price per share includes purchase commission costs.

(4)      Comprised of shares withheld from stock option exercises and vesting of restricted stock for employees’ tax withholding obligations and shares tendered by employees to satisfy option exercise costs.

(5)      Common shares issued under our various compensation and benefit plans.