XML 16 R1.htm IDEA: XBRL DOCUMENT v2.3.0.15
Document and Entity Information
9 Months Ended
Sep. 30, 2011
Oct. 15, 2011
Document and Entity Information  
Document Type10-Q 
Document Period End DateSep. 30, 2011
Document Fiscal Year Focus2011 
Amendment Flagfalse 
Document Fiscal Period FocusQ3 
Entity Registrant NameNCR CORP 
Entity Central Index Key0000070866 
Entity Filer CategoryLarge Accelerated Filer 
Entity Common Stock, Shares Outstanding 157,400,000
Current Fiscal Year End Date--12-31