Revised 2023 Quarterly Financial Statements (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	$ 876	$ 946	$ 1,734	$ 1,852
Selling, general and administrative expenses	140	167	271	322
Research and development expenses	55	42	115	91
Total operating expenses	880	891	1,733	1,777
Income (loss) from operations	(4)	55	1	75
Loss on extinguishment of debt		0		0
Interest expense	(41)	(91)	(80)	(174)
Other income (expense), net	(5)	(8)	(25)	(12)
Income (loss) from continuing operations before income taxes	(50)	(44)	(104)	(111)
Income tax expense (benefit)	24	7	10	12
Income from continuing operations	(74)	(51)	(114)	(123)
Income (loss) from discontinued operations, net of tax	1	67	0	147
Net income (loss)	(73)	16	(114)	24
Net income (loss) attributable to noncontrolling interests	0	0	(1)	0
Net income attributable to noncontrolling interests of discontinued operations	0	(1)	0	0
Net income (loss) attributable to NCR Voyix	(73)	17	(113)	24
Income (loss) from continuing operations	(74)	(51)	(113)	(123)
Series A convertible preferred stock dividends	(4)	(4)	(8)	(8)
Income (loss) from continuing operations attributable to NCR Voyix	(78)	(55)	(121)	(131)
Income from discontinued operations, net of tax	1	68	0	147
Net income (loss) attributable to NCR Voyix common stockholders	$ (77)	$ 13	$ (121)	$ 16
Continuing operations, basic (in dollars per share)	$ (0.54)	$ (0.39)	$ (0.84)	$ (0.94)
Discontinued operations, basic (in dollars per share)		0.48		1.05
Basic (in dollars per share)	(0.53)	0.09	(0.84)	0.11
Diluted (in dollars per share)	(0.54)	(0.39)	(0.84)	(0.94)
Discontinued operations, diluted (in dollars per share)		0.48		1.05
Diluted (in dollars per share)	$ (0.53)	$ 0.09	$ (0.84)	$ 0.11
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Spin-Off of Atleos
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income (loss) from discontinued operations, net of tax	$ 1	$ 68	$ 0	$ 148
Net income attributable to noncontrolling interests of discontinued operations	0	(1)	0	0
Income from discontinued operations, net of tax	1	69	0	148
As reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		1,986		3,877
Selling, general and administrative expenses		333		625
Research and development expenses		57		121
Total operating expenses		1,838		3,619
Income (loss) from operations		148		258
Loss on extinguishment of debt		0		0
Interest expense		(91)		(174)
Other income (expense), net		(8)		(11)
Income (loss) from continuing operations before income taxes		49		73
Income tax expense (benefit)		30		44
Income from continuing operations		19		29
Income (loss) from discontinued operations, net of tax		(1)		(1)
Net income (loss)		18		28
Net income (loss) attributable to noncontrolling interests		(1)		0
Net income attributable to noncontrolling interests of discontinued operations		0		0
Net income (loss) attributable to NCR Voyix		19		28
Income (loss) from continuing operations		20		29
Series A convertible preferred stock dividends		(4)		(8)
Income (loss) from continuing operations attributable to NCR Voyix		16		21
Income from discontinued operations, net of tax		(1)		(1)
Net income (loss) attributable to NCR Voyix common stockholders		$ 15		$ 20
Continuing operations, basic (in dollars per share)		$ 0.11		$ 0.15
Discontinued operations, basic (in dollars per share)		0		(0.01)
Basic (in dollars per share)		0.11		0.14
Diluted (in dollars per share)		0.11		0.15
Discontinued operations, diluted (in dollars per share)		0		(0.01)
Diluted (in dollars per share)		$ 0.11		$ 0.14
Discontinued operations | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Spin-Off of Atleos
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		$ 1,040		$ 2,025
Selling, general and administrative expenses		169		308
Research and development expenses		15		30
Total operating expenses		950		1,847
Income (loss) from operations		90		178
Loss on extinguishment of debt		0		0
Interest expense		0		0
Other income (expense), net		0		1
Income (loss) from continuing operations before income taxes		90		179
Income tax expense (benefit)		22		31
Income from continuing operations		68		148
Income (loss) from discontinued operations, net of tax		(68)		(148)
Net income (loss)		0		0
Net income (loss) attributable to noncontrolling interests		(1)		0
Net income attributable to noncontrolling interests of discontinued operations		1		0
Net income (loss) attributable to NCR Voyix		0		0
Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	(10)	0		0
Selling, general and administrative expenses		3		5
Research and development expenses		0		0
Total operating expenses		3		5
Income (loss) from operations		(3)		(5)
Loss on extinguishment of debt		0		0
Interest expense		0		0
Other income (expense), net		0		0
Income (loss) from continuing operations before income taxes		(3)		(5)
Income tax expense (benefit)		(1)		(1)
Income from continuing operations		(2)		(4)
Income (loss) from discontinued operations, net of tax		0		0
Net income (loss)		(2)		(4)
Net income (loss) attributable to noncontrolling interests		0		0
Net income attributable to noncontrolling interests of discontinued operations		0		0
Net income (loss) attributable to NCR Voyix		(2)		(4)
Product
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	256	311	488	599
Cost of revenue	232	269	431	536
Product | As reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		576		1,097
Cost of revenue		478		934
Product | Discontinued operations | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Spin-Off of Atleos
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		265		498
Cost of revenue		209		398
Product | Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		0		0
Cost of revenue		0		0
Cost of services
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	620	635	1,246	1,253
Cost of revenue	$ 453	413	$ 916	828
Cost of services | As reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		1,410		2,780
Cost of revenue		970		1,939
Cost of services | Discontinued operations | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Spin-Off of Atleos
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		775		1,527
Cost of revenue		557		1,111
Cost of services | Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue		0		0
Cost of revenue		$ 0		$ 0