Segment Information and Concentrations - Net Income Reconciled to Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Corporate and other income and expenses not allocated to reportable segments	$ 81	$ 72	$ 231	$ 196
Depreciation and amortization	53	49	153	140
Acquisition-related amortization of intangibles	7	11	22	31
Interest expense	40	83	120	257
Interest income	(2)	(5)	(5)	(11)
Acquisition-related costs	0	0	0	1
Loss (gain) on debt extinguishment	(8)	0	(8)	0
Income tax expense (benefit)	(1)	187	3	200
Stock-based compensation expense	9	19	32	65
Transformation and restructuring costs	16	1	90	5
Separation costs	1	10	9	18
Loss (gain) on disposal of businesses	0	(3)	(14)	(10)
Foreign currency devaluation	0	0	15	0
Fraudulent ACH disbursements	(2)	5	(4)	10
Cyber ransomware incident recovery costs	(1)	12	(5)	23
Strategic initiatives	12	0	18	0
Net income (loss) from continuing operations attributable to NCR Voyix	(31)	(266)	(193)	(457)
Operating Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 174	$ 175	$ 464	$ 468