EMPLOYEE BENEFIT PLANS (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Postemployment benefits, period expense	$ 23	$ 34
Postemployment Retirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets contributions by employer	7	20
Expected future benefit payment, remainder of fiscal year	41	41
Total estimated contributions by employer during fiscal year	21	21
Foreign Plan | Total Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets contributions by employer	3	9
Expected future benefit payment, remainder of fiscal year	3	3
Total estimated contributions by employer during fiscal year	$ 12	$ 12
United States | Total Pension Benefits | NCR Atleos Corporation
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions required, percent of annual costs		50.00%
Contributions by spinoff, threshold		$ 40