The FRED series Total Credit Market Debt Owed by Domestic Nonfinancial Sectors is now known as Domestic Nonfinancial Sectors; Credit Market Instruments; Liability.
The source series id is FL384104005.Q.
This series appears in Table L.1. For further information see the assistance provided in the guide to the Financial Accounts at http://www.federalreserve.gov/apps/fof/.
Board of Governors of the Federal Reserve System (US), Domestic Nonfinancial Sectors; Credit Market Instruments; Liability, Level [TCMDODNS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/TCMDODNS, January 22, 2019.