The FRED series Total Credit Market Debt Owed by Domestic Financial Sectors - Commercial Banking (Discontinued Series) is now known as U.S.-Chartered Depository Institutions; Credit Market Instruments; Liability.
The source series id is FL764104005.Q.
This series still appears in Table L.1. The series will continue to update. For further assistance see the information provided in the guide to the Financial Accounts at http://www.federalreserve.gov/apps/fof/.