Declining Debt Consumer debt declined to $11.4 trillion at the end of the second quarter, from a peak of $12.7 trillion in 2008. The market for commercial paper, a form of short-term corporate IOUs, has shrunk to $975 billion from a record $2.22 trillion in July 2007, central bank data show. Net U.S. taxable debt issuance, which includes corporate, mortgage and Treasury securities, is forecast to fall to $821 billion in 2012, the least since 2000 and less than half the record $2.28 trillion in 2007, according to Ira Jersey, an interest-rate strategist at Credit Suisse Group AG in New York. The firm is one of 21 primary dealers that trade directly with the Fed and is obligated to bid at Treasury auctions.