v2.3.0.15
Document And Entity Information
9 Months Ended
Sep. 30, 2011
Document And Entity Information 
Document Type10-Q
Amendment Flagfalse
Document Period End DateSep. 30, 2011
Document Fiscal Year Focus2011
Document Fiscal Period FocusQ3
Trading SymbolXOM
Entity Registrant NameEXXON MOBIL CORP
Entity Central Index Key0000034088
Current Fiscal Year End Date--12-31
Entity Filer CategoryLarge Accelerated Filer
Entity Common Stock, Shares Outstanding4,793,207,715