Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2017

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Stock by Class [Table Text Block]

Changes in stockholders' equity in the three months endedMarch 31, 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
Net income	57			1		58
Other comprehensive income	18			—		18
Repurchases of Company common stock	(350		)	—		(350		)
Series A convertible preferred stock dividends	(12		)	—		(12		)
Deemed dividend on modification of Series A convertible preferred stock	(4		)	—		(4		)
Redemption of Series A convertible preferred stock	87			—		87
Adoption of share-based compensation accounting standard update	39			—		39
Employee stock compensation expense	19			—		19
Tax witholdings related to vesting of stock based awards	(22		)	—		(22		)
Proceeds from employee stock plans	3			—		3
Balance at March 31, 2017	$	530		$	5	$	535