SEGMENT INFORMATION AND CONCENTRATION - Revenue and Operating Income By Segments (Details) - USD ($) $ in Millions	3 Months Ended								6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Revenue	$ 963	$ 978	$ 967	$ 922	$ 966	$ 960	$ 950	$ 917	$ 1,889	$ 2,867	$ 3,830	$ 3,793	$ 3,692
Corporate and other income and expenses not allocated to segments											211	181	322
Pension mark-to-market adjustments											7	(41)	(7)
Transformation and restructuring costs											39	96	53
Fraudulent ACH disbursements(2)											23	0	0
Amortization expense											71	71	76
Acquisition-related costs											1	2	3
Interest expense		83	91	83					174	257	294	285	238
Interest income											(13)	(13)	(8)
Depreciation and amortization											252	237	220
Income tax expense (benefit)		185	8	7					15	200	204	72	70
Stock-based compensation expense											150	90	121
Separation costs											99	0	0
Loss on disposal of businesses											12	0	0
Loss on debt extinguishment		0	0	0					0	0	46	0	42
Cyber ransomware incident recovery costs											17	0	0
Net income (loss) from continuing operations attributable to NCR Voyix (GAAP)		(222)	$ (41)	$ (65)					$ (106)	$ (328)	(586)	(203)	(337)
Gain on terminated interest rate derivatives agreement		$ 18
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Interest expense
Operating Segments
Segment Reporting Information [Line Items]
Revenue											3,642	3,586	3,453
Adjusted EBITDA by Segment											827	777	793
Operating Segments | Retail
Segment Reporting Information [Line Items]
Revenue											2,177	2,182	2,138
Adjusted EBITDA by Segment											411	384	427
Operating Segments | Restaurants
Segment Reporting Information [Line Items]
Revenue											886	857	794
Adjusted EBITDA by Segment											197	160	150
Operating Segments | Digital Banking
Segment Reporting Information [Line Items]
Revenue											579	547	521
Adjusted EBITDA by Segment											219	233	216
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Revenue											$ 188	$ 207	$ 239