The photographer has acknowledged a/his 'debt' to Andy Warhol. [=the photographer has said that his work was influenced by the photographs made by Andy Warhol]
banks with millions of dollars of 'bad debt' [=banks that have loaned millions of dollars that will not be repaid]
She's finally paid off her mortgage 'debt'. [=the money that she owed the bank to pay for her house]
(..) ...for this budget year that ends September th. That deficit is larger than the entire federal budget in . ...we will pay in interest this year on the national debt. ...our federal government payroll was less than $ billion. During these years, our population has only increased by . percent... (..)2006 The Pursuit of Happyness