Revised 2023 Quarterly Financial Statements (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	$ 711		$ 809	$ 2,144	$ 2,382
Selling, general and administrative expenses	113		142	340	427
Research and development expenses	38		29	129	98
Total operating expenses	696		785	2,183	2,349
Income (loss) from operations	15		24	(39)	33
Gain (loss) on extinguishment of debt	8		0	8	0
Interest expense	(40)		(83)	(120)	(257)
Other income (expense), net	(15)		(20)	(40)	(33)
Income (loss) from continuing operations before income taxes	(32)		(79)	(191)	(257)
Income tax expense (benefit)	(1)		187	3	200
Income from continuing operations	(31)		(266)	(194)	(457)
Income (loss) from discontinued operations, net of tax	1,113		138	1,162	353
Net income (loss)	1,082		(128)	968	(104)
Net income (loss) attributable to noncontrolling interests	0		0	(1)	0
Net income attributable to noncontrolling interests of discontinued operations	0		1	0	1
Net income (loss) attributable to NCR Voyix	1,082		(129)	969	(105)
Income (loss) from continuing operations	(31)		(266)	(193)	(457)
Series A convertible preferred stock dividends	(4)		(4)	(12)	(12)
Income (loss) from continuing operations attributable to NCR Voyix	(35)		(270)	(205)	(469)
Income (loss) from discontinued operations, net of tax	1,113		137	1,162	352
Net income (loss) attributable to NCR Voyix common stockholders	$ 1,078		$ (133)	$ 957	$ (117)
Continuing operations, basic (in dollars per share)	$ (0.24)		$ (1.92)	$ (1.42)	$ (3.34)
Discontinued operations, basic (in dollars per share)			0.98		2.51
Net income attributable to common shareholders (in dollars per share)	7.41		(0.94)	6.62	(0.83)
Continuing operations, diluted (in dollars per share)	(0.24)		(1.92)	(1.42)	(3.34)
Discontinued operations, diluted (in dollars per share)			0.98		2.51
Diluted earnings per share attributable to common shareholders (in dollars per share)	$ 7.41		$ (0.94)	$ 6.62	$ (0.83)
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	$ 0		$ 106	$ 0	$ 254
Net income attributable to noncontrolling interests of discontinued operations	0		1	0	1
Income (loss) from discontinued operations, net of tax	0		105	0	253
As reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue			2,017		5,894
Selling, general and administrative expenses			331		956
Research and development expenses			54		175
Total operating expenses			1,775		5,394
Income (loss) from operations			242		500
Gain (loss) on extinguishment of debt			0		0
Interest expense			(85)		(259)
Other income (expense), net			(44)		(55)
Income (loss) from continuing operations before income taxes			113		186
Income tax expense (benefit)			236		280
Income from continuing operations			(123)		(94)
Income (loss) from discontinued operations, net of tax			0		(1)
Net income (loss)			(123)		(95)
Net income (loss) attributable to noncontrolling interests			1		1
Net income attributable to noncontrolling interests of discontinued operations			0		0
Net income (loss) attributable to NCR Voyix			(124)		(96)
Income (loss) from continuing operations			(124)		(95)
Series A convertible preferred stock dividends			(4)		(12)
Income (loss) from continuing operations attributable to NCR Voyix			(128)		(107)
Income (loss) from discontinued operations, net of tax			0		(1)
Net income (loss) attributable to NCR Voyix common stockholders			$ (128)		$ (108)
Continuing operations, basic (in dollars per share)			$ (0.91)		$ (0.76)
Discontinued operations, basic (in dollars per share)			0		(0.01)
Net income attributable to common shareholders (in dollars per share)			(0.91)		(0.77)
Continuing operations, diluted (in dollars per share)			(0.91)		(0.76)
Discontinued operations, diluted (in dollars per share)			0		(0.01)
Diluted earnings per share attributable to common shareholders (in dollars per share)			$ (0.91)		$ (0.77)
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			$ 1,208		$ 3,512
Selling, general and administrative expenses			195		540
Research and development expenses			25		77
Total operating expenses			997		3,057
Income (loss) from operations			211		455
Gain (loss) on extinguishment of debt			0		0
Interest expense			(2)		(2)
Other income (expense), net			(24)		(22)
Income (loss) from continuing operations before income taxes			185		431
Income tax expense (benefit)			47		77
Income from continuing operations			138		354
Income (loss) from discontinued operations, net of tax			(138)		(354)
Net income (loss)			0		0
Net income (loss) attributable to noncontrolling interests			1		1
Net income attributable to noncontrolling interests of discontinued operations			(1)		(1)
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			6		11
Research and development expenses			0		0
Total operating expenses			7		12
Income (loss) from operations			(7)		(12)
Gain (loss) on extinguishment of debt			0		0
Interest expense			0		0
Other income (expense), net	8		0		0
Income (loss) from continuing operations before income taxes			(7)		(12)
Income tax expense (benefit)			(2)		(3)
Income from continuing operations			(5)		(9)
Income (loss) from discontinued operations, net of tax			0		0
Net income (loss)			(5)		(9)
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			(5)		(9)
Product
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue	219		296	684	875
Cost of revenue	185		253	594	771
Product | As reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue			560		1,657
Cost of revenue			465		1,399
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			264		782
Cost of revenue			212		628
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	492		513	1,460	1,507
Cost of revenue	$ 360		361	$ 1,120	1,053
Cost of services | As reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue			1,457		4,237
Cost of revenue			925		2,864
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			944		2,730
Cost of revenue			565		1,812
Cost of services | Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total revenue			0		0
Cost of revenue			$ 1		$ 1