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Employee Stock-based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

The Company recorded stock-based compensation expense for the years ended December 31 as follows: 

In millions			2020						2019						2018
Stock options			$	1					$	3					$	6
Restricted shares			98						77						56
Employee share repurchase program			2						3						3
Total stock-based compensation before income taxes			101						83						65
Tax benefit			(5)						(10)						(11)
Total stock-based compensation, net of tax			$	96					$	73					$	54

Restricted Stock and Restricted Stock Unit Activity

The following table reports restricted shares and restricted share unit activity during the year ended December 31, 2020:

Shares in thousands			Number of Shares						Weighted- Average  Grant Date Fair  Value per Share
Unvested shares at January 1, 2020			5,169						$	40.95
Granted			6,145						$	20.74
Vested			(2,100)						$	37.19
Forfeited/canceled			(1,702)						$	31.74
Unvested shares at December 31, 2020			7,512						$	27.00

Weighted-Average Fair Value and Total Fair Value of Shares Vested

The following table summarizes the weighted-average fair value of restricted share units granted for Teradata equity awards and the total fair value of shares vested.

			2020						2019						2018
Weighted-average fair value of restricted share units granted			$	20.74					$	44.13					$	37.98
Total fair value of shares vested (in millions)			$	80					$	41					$	53

The Composition of Teradata Restricted Stock Grants

The following table represents the composition of Teradata restricted share unit grants in 2020: 

Shares in thousands			Number of Shares						Weighted- Average  Grant Date Fair  Value
Service-based shares			5,570						$	20.75
Performance-based shares			575						$	20.68
Total stock grants			6,145						$	20.74

Employee Purchases and Aggregate Cost

Employee purchases and aggregate cost were as follows at December 31:

In millions			2020						2019						2018
Employee share purchases			0.7						0.6						0.5
Aggregate cost			$	14					$	20					$	17

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