{"cik":740260,"taxonomy":"us-gaap","tag":"OperatingIncomeLoss","label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","entityName":"Ventas, Inc.","units":{"USD":[{"start":"2010-01-01","end":"2010-09-30","val":507751000,"accn":"0000950123-11-095876","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07"},{"start":"2010-07-01","end":"2010-09-30","val":177990000,"accn":"0000950123-11-095876","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07","frame":"CY2010Q3"},{"start":"2011-01-01","end":"2011-09-30","val":739747000,"accn":"0000950123-11-095876","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07"},{"start":"2011-07-01","end":"2011-09-30","val":350076000,"accn":"0000950123-11-095876","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07","frame":"CY2011Q3"}]}}