Shareholders' Equity (Notes)

6 Months Ended

Jun. 30, 2017

Stockholders' Equity Attributable to Parent [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

9. STOCKHOLDERS' EQUITY

Changes in stockholders' equity in the six months endedJune 30, 2017 were as follows:

in millions	NCR Stockholders' Equity			Non-Redeemable Noncontrolling Interests in Subsidiaries		Total Stockholders' Equity
Balance at December 31, 2016	$	695		$	4	$	699
Adoption of share-based compensation accounting standard update	39			—		39
Balance at January 1, 2017	734			4		738
Net income	159			1		160
Other comprehensive income	15			—		15
Repurchases of Company common stock	(350		)	—		(350		)
Series A convertible preferred stock dividends	(24		)	—		(24		)
Deemed dividend on modification of Series A convertible preferred stock	(4		)	—		(4		)
Redemption of Series A convertible preferred stock	87			—		87
Employee stock compensation expense	41			—		41
Tax witholdings related to vesting of stock based awards	(24		)	—		(24		)
Proceeds from employee stock plans	8			—		8
Balance at June 30, 2017	$	642		$	5	$	647

During the six months endedJune 30, 2017, the Company repurchased 7.4 million shares of its common stock for $350 million. Upon repurchase, the shares were retired. Refer to Note 8, "Series A Convertible Preferred Stock," for further discussion of the Series A Convertible Preferred Stock dividends, the deemed dividend on modification and the redemption of the Series A convertible preferred stock. Refer to Note 1, “Basis of Presentation and Summary of Significant Accounting Policies” for further discussion of the adoption of share-based compensation accounting standard update.