Derivatives and Hedging Instruments - Additional Information (Details)	Jun. 30, 2025 currency
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Number of functional currencies	25

Currency Exposure, Number of Functional Currencies

No definition available.

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Namespace Prefix:	ncr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant