INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Line Items]
Change in U.S. deferred tax assets valuation allowance, amount	$ 48
Valuation allowance against interest expense deduction carryforwards	36
Deferred tax impact of tax law change	14
Internal entity restructuring expense	40
Undistributed earnings of foreign subsidiaries	3,700
Undistributed foreign earnings	152
U.S. federal and foreign tax attribute carryforwards	1,700
Total amount of gross unrecognized tax benefits that would affect NCR's effective tax rate if realized	59
Recognized interest and penalties expense (benefit) associated with uncertain tax positions	1	$ 0	$ 5
Interest and penalties accrued associated with uncertain tax positions	26	$ 30
Minimum
Income Tax Disclosure [Line Items]
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound	3
Maximum
Income Tax Disclosure [Line Items]
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound	5
Domestic Tax Authority
Income Tax Disclosure [Line Items]
Tax credit carryforward, amount	$ 200