.04 billion , a decrease of $ 29.80 billion from december 2012 . this decrease was primarily due to a decrease in other liabilities and accrued expenses of $ 26.35 billion , primarily due to the sale of a majority stake in both our americas reinsurance business in april 2013 and our european insurance business in december 2013 , and a decrease in collateralized financings of $ 9.24 billion , primarily due to firm financing activities