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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

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Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities.

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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)		3 Months Ended	6 Months Ended		39 Months Ended
	Oct. 02, 2023	Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Feb. 12, 2026 USD ($)	Dec. 31, 2025 USD ($)	May 31, 2025 USD ($)	Sep. 30, 2024 USD ($)	Feb. 29, 2024 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Cyber ransomware incident recovery costs					$ 47,000,000
Proceeds from insurance settlement, investing activities					37,000,000
Cumulative fraudulent ACH disbursements										$ 34,000,000
Recovered fraudulent ACH disbursements		$ 16,000,000	$ 16,000,000		16,000,000
Accounts receivable, net		452,000,000	452,000,000		452,000,000		$ 470,000,000
Collections on non-operating receivables			67,000,000	$ 0
Contract with customer, liability, revenue recognized			137,000,000
Remaining performance obligations		1,100,000,000	1,100,000,000		1,100,000,000
Capitalized software development costs for internal use software and software sold to customers		306,000,000	306,000,000		306,000,000		$ 302,000,000
Capital expenditures related to capitalized software			71,000,000	$ 66,000,000
Ennoconn
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Loss on disposition of assets		3,000,000	15,000,000
Inventory, amount sold			123,000,000
Accounts receivable, net		$ 108,000,000	108,000,000		$ 108,000,000
Collections on non-operating receivables			$ 67,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage		0.75%	0.75%		0.75%
Remaining performance obligation, expected timing of satisfaction		12 months	12 months		12 months
Repurchase Program
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Share repurchase program, authorized, amount								$ 200,000,000
Share repurchase program, remaining authorized, amount						$ 300,000,000
Repurchase of NCR Voyix common stock			$ 20,000,000
Amended and Restated Repurchase Program
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Share repurchase program, authorized, amount						$ 178,000,000
Disposal Group, Disposed of Other than by Sale, Not Discontinued Operation, Spinoff \| NCR Atleos Corporation
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Conversion ratio	0.50
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Digital Banking Segment
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Disposal group, consideration									$ 2,450,000,000
Disposal group, potential earnout, maximum									$ 100,000,000