. once a loan becomes a tdr , it will continue to be reported as a tdr until it is ultimately repaid in full , the collateral is foreclosed upon , or it is fully charged off . we held specific reserves in the alll of $ 587 million and $ 580 million at december 31 , 2012 and december 31 , 2011 , respectively , for the total tdr portfolio . table 71 : summary of troubled debt restructurings in millions dec . 31 dec . 31 .