EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Annual contribution to costs, percent	50.00%
Expected amortization, next fiscal year	$ 1
NCR Atleos Corporation
Defined Benefit Plan Disclosure [Line Items]
Employer contribution threshold	40
Total Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	163	$ 147
Accumulated benefit obligation	162	149
Plan assets	$ 0	$ 0
U.S. Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Weighted-average interest crediting rate	1.40%	1.00%
International Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions, next fiscal year	$ 13
Postemployment Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions, next fiscal year	21
Defined Contribution, U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	22	$ 26	$ 22
Defined Contribution, All Other Plans
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	$ 11	$ 11	$ 14