EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Annual contribution to costs, percent (as percent)	50.00%
Expected amortization, next fiscal year	$ 1
Total Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	142	$ 163
Accumulated benefit obligation	141	162
Plan assets	0	$ 0
Expected future employer contributions, next fiscal year	$ 13
U.S. Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Weighted-average interest crediting rate (as percent)	1.50%	1.40%
Postemployment Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected future employer contributions, next fiscal year	$ 13
Defined Contribution, U.S. Plan
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	21	$ 22	$ 26
Defined Contribution, all Other Plans
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost	14	$ 11	$ 11
NCR Atleos Corporation
Defined Benefit Plan Disclosure [Line Items]
Employer contribution threshold	$ 40