The FRED series Total Credit Market Assets Held by Domestic Nonfinancial Sectors - Household is now known as Households and Nonprofit Organizations; Credit Market Instruments; Asset.
The source series id is FL154004005.Q.
This series appears in both Table L.1 and Table B.100. 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), Households and Nonprofit Organizations; Credit Market Instruments; Asset, Level [HSTCMAHDNS], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/HSTCMAHDNS/, October 3, 2015.