Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Total revenue	$ 1,972	$ 1,901	$ 5,835	$ 5,122
Selling, general and administrative expenses	264	294	886	835
Research and development expenses	40	69	164	204
Total operating expenses	1,785	1,744	5,512	4,771
Income (loss) from operations	187	157	323	351
Loss on extinguishment of debt	0	(42)	0	(42)
Interest expense	(74)	(68)	(204)	(174)
Other income (expense), net	(1)	(5)	9	(23)
Income (loss) from continuing operations before income taxes	112	42	128	112
Income tax expense (benefit)	43	29	56	77
Income (loss) from continuing operations	69	13	72	35
Income (loss) from discontinued operations, net of tax	0	0	5	0
Net income (loss)	69	13	77	35
Net income (loss) attributable to noncontrolling interests	0	1	1	2
Net income (loss) attributable to NCR	69	12	76	33
Amounts attributable to NCR common stockholders:
Income (loss) from continuing operations	69	12	71	33
Series A convertible preferred stock dividends	(4)	(4)	(12)	(12)
Income (loss) from continuing operations attributable to NCR common stockholders	65	8	59	21
Income (loss) from discontinued operations, net of tax	0	0	5	0
Net income (loss) attributable to NCR common stockholders	$ 65	$ 8	$ 64	$ 21
Income (loss) per common share from continuing operations
Basic (in dollars per share)	$ 0.47	$ 0.06	$ 0.43	$ 0.16
Diluted (in dollars per share)	0.46	0.06	0.42	0.15
Net income (loss) per common share
Basic (in dollars per share)	0.47	0.06	0.47	0.16
Diluted (in dollars per share)	$ 0.46	$ 0.06	$ 0.45	$ 0.15
Weighted average common shares outstanding
Basic (in shares)	137.0	131.5	136.4	130.8
Diluted (in shares)	140.3	137.8	140.9	137.1
Product
Total revenue	$ 590	$ 520	$ 1,720	$ 1,553
Cost of revenue	524	429	1,560	1,290
Services
Total revenue	1,382	1,381	4,115	3,569
Cost of revenue	$ 957	$ 952	$ 2,902	$ 2,442