Segment Information and Concentrations - Net Income Reconciled to Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Corporate and other income and expenses not allocated to reportable segments	$ 68	$ 52	$ 142	$ 110
Depreciation and amortization	70	61	136	120
Acquisition-related amortization of intangibles	15	18	29	35
Interest expense	41	91	80	174
Interest income	(1)	(3)	(3)	(6)
Acquisition-related costs			0	1
Income tax expense (benefit)	24	7	10	12
Stock-based compensation expense	14	25	27	50
Transformation and restructuring costs	51	3	79	6
Separation costs	3	6	8	8
Loss (gain) on disposal of businesses	(7)	(4)	(14)	(7)
Foreign currency devaluation	0	0	15	0
Fraudulent ACH disbursements	(1)	3	(2)	5
Cyber ransomware incident recovery costs	(4)	11	(4)	11
Strategic initiatives	13	0	17	0
Net income (loss) from continuing operations attributable to NCR Voyix	(74)	(51)	(113)	(123)
Operating Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 212	$ 220	$ 407	$ 396