The FRED series Total Credit Market Assets Held by Domestic Nonfinancial Sectors - Federal Government is now known as Federal Government; Credit Market Instruments; Asset.
The source series id is FL314004005.Q.
The series previously appeared 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), Federal Government; Credit Market Instruments; Asset, Level" [FGTCMAHDNS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/FGTCMAHDNS, April 24, 2018.