Earnings Per Share - Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator:
Income (loss) from continuing operations	$ 1	$ (90)	$ (19)	$ (161)
Series A convertible preferred stock dividends	(4)	(4)	(8)	(8)
Income (loss) from continuing operations attributable to NCR Voyix common stockholders, basic	(3)	(94)	(27)	(169)
Income (loss) from discontinued operations, net of tax attributable to NCR Voyix common stockholders	(1)	17	2	48
Net income (loss) attributable to NCR Voyix common stockholders, basic	$ (4)	$ (77)	$ (25)	$ (121)
Denominator:
Basic weighted average number of shares outstanding (in shares)	137,900	145,000	138,900	144,300
Diluted weighted average number of shares outstanding (in shares)	137,900	145,000	138,900	144,300
Basic and diluted earnings (loss) per share:
From continuing operations basic (in dollars per share)	$ (0.02)	$ (0.65)	$ (0.19)	$ (1.17)
From continuing operations diluted (in dollars per share)	(0.02)	(0.65)	(0.19)	(1.17)
From discontinued operations, basic (in dollars per share)	(0.01)	0.12	0.01	0.33
From discontinued operations diluted (in dollars per share)	(0.01)	0.12	0.01	0.33
Total basic earnings per share, basic (in dollars per share)	(0.03)	(0.53)	(0.18)	(0.84)
Total diluted earnings per share diluted (in dollars per share)	$ (0.03)	$ (0.53)	$ (0.18)	$ (0.84)