v3.26.1
Basis of presentation (Details)
$ in Millions
3 Months Ended
Mar. 31, 2027
USD ($)
Mar. 31, 2026
USD ($)
segment
$ / $
Mar. 31, 2025
USD ($)
$ / $
Dec. 31, 2025
USD ($)
$ / $
Dec. 31, 2024
$ / $
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Number of operating segments | segment   4      
Net monetary assets   $ 3,274.9   $ 3,329.0  
Cash and cash equivalents   1,547.3   1,725.9  
Goodwill   1,508.7   $ 1,515.3  
NCR Atleos          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Transaction costs   $ 19.4      
NCR Atleos | Forecast          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Estimated purchase price consideration $ 4,000.0        
Argentina, Pesos | Argentina          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Percent of consolidated revenue   3.00% 4.00%    
Rate change   5.00% (4.00%) (29.00%)  
Official exchange rate | $ / $   1,382 1,073.1 1,451.6 1,031
Currency remeasurement gain (loss)   $ 1.4 $ (4.8)    
Net monetary assets   33.0   $ 23.4  
Cash and cash equivalents   31.3   24.9  
Nonmonetary assets   135.3   140.7  
Goodwill   102.5   102.5  
Debt securities   $ 3.7   $ 7.7