EARNINGS PER SHARE - Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator:
Income (loss) from continuing operations	$ (17)	$ (29)	$ (36)	$ (190)
Series A convertible preferred stock dividends	(3)	(4)	(11)	(12)
Income (loss) from continuing operations attributable to NCR Voyix common stockholders	(20)	(33)	(47)	(202)
Income (loss) from discontinued operations, net of tax attributable to NCR Voyix common stockholders	(2)	1,111	0	1,159
Net income (loss) attributable to NCR Voyix common stockholders	$ (22)	$ 1,078	$ (47)	$ 957
Denominator:
Basic weighted average number of shares outstanding (in shares)	138.2	145.4	138.6	144.6
Diluted weighted average number of shares outstanding (in shares)	138.2	145.4	138.6	144.6
Basic and diluted earnings (loss) per share:
From continuing operations basic (in dollars per share)	$ (0.14)	$ (0.23)	$ (0.34)	$ (1.40)
From continuing operations diluted (in dollars per share)	(0.14)	(0.23)	(0.34)	(1.40)
From discontinued operations, basic (in dollars per share)	(0.02)	7.64	0	8.02
From discontinued operations diluted (in dollars per share)	(0.02)	7.64	0	8.02
Total basic earnings per share, basic (in dollars per share)	(0.16)	7.41	(0.34)	6.62
Total diluted earnings per share diluted (in dollars per share)	$ (0.16)	$ 7.41	$ (0.34)	$ 6.62