v3.26.1
Revisions of Previously Issued Financial Statements - Statements of Operations (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue $ 1,103   $ 1,102   $ 2,146 $ 2,081
Total operating expenses 947   983   1,906 1,869
Income from operations 156   119   240 212
Other income (expense), net (4)   7   8 3
Income before income taxes 90   57   123 79
Income tax expense 25   19   36 28
Net income 65 $ 22 38 $ 13 87 51
Net income attributable to Atleos $ 65   $ 39   $ 87 $ 53
Net income (loss) per common share            
Basic (in dollars per share) $ 0.88   $ 0.53   $ 1.18 $ 0.72
Diluted (in dollars per share) $ 0.86   $ 0.52   $ 1.15 $ 0.71
Weighted average common shares outstanding            
Basic (in shares) 73.8   73.5   73.7 73.3
Diluted (in shares) 75.8   74.9   75.7 75.1
Product            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue $ 248   $ 265   $ 469 $ 454
Cost of services 181   217   369 377
Services            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue 855   837   1,677 1,627
Cost of services $ 613   633   $ 1,234 1,220
As Reported            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue     1,104     2,083
Total operating expenses     984     1,869
Income from operations     120     214
Other income (expense), net     12     9
Income before income taxes     63     87
Income tax expense     19     29
Net income     44     58
Net income attributable to Atleos     $ 45     $ 60
Net income (loss) per common share            
Basic (in dollars per share)     $ 0.61     $ 0.82
Diluted (in dollars per share)     $ 0.60     $ 0.80
Weighted average common shares outstanding            
Basic (in shares)     73.5     73.3
Diluted (in shares)     74.9     75.1
As Reported | Product            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue     $ 266     $ 455
As Reported | Services            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue     838     1,628
Cost of services     634     1,220
Adjustments            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue     (2)     (2)
Total operating expenses     (1)     0
Income from operations     (1)     (2)
Other income (expense), net     (5)     (6)
Income before income taxes     (6)     (8)
Income tax expense     0     (1)
Net income     (6)     (7)
Net income attributable to Atleos     $ (6)     $ (7)
Net income (loss) per common share            
Basic (in dollars per share)     $ (0.08)     $ (0.10)
Diluted (in dollars per share)     $ (0.08)     $ (0.09)
Weighted average common shares outstanding            
Basic (in shares)        
Diluted (in shares)        
Adjustments | Product            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue     $ (1)     $ (1)
Adjustments | Services            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Total revenue     (1)     (1)
Cost of services     $ (1)     $ 0