Shareholders' Equity (Notes)

9 Months Ended

Sep. 30, 2017

Stockholders' Equity Attributable to Parent [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

9. STOCKHOLDERS' EQUITY

Changes in stockholders' equity in the nine months endedSeptember 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	277			2			279
Other comprehensive income	17			(2		)	15
Repurchases of Company common stock	(350		)	—			(350		)
Series A Convertible Preferred Stock dividends	(36		)	—			(36		)
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	60			—			60
Tax witholdings related to vesting of stock based awards	(26		)	—			(26		)
Proceeds from employee stock plans	11			—			11
Balance at September 30, 2017	$	770		$	4		$	774

During the nine months endedSeptember 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.