[["$ in millions", "as of december 2013", "as of december 2012"], ["total level 1 financial assets", "$ 156030", "$ 190737"], ["total level 2 financial assets", "499480", "502293"], ["total level 3 financial assets", "40013", "47095"], ["cash collateral and counterparty netting", "-95350 ( 95350 )", "-101612 ( 101612 )"], ["total financial assets at fair value", "$ 600173", "$ 638513"], ["total assets1", "$ 911507", "$ 938555"], ["total level 3 financial assets as a percentage of total assets", "4.4% ( 4