Reported total net revenue for the fourth quarter of 2011 declined 18% to $21.47bn from $26.1bn in 2010.
Investment bank net income was $726m, down 52%, compared to $1.50bn for the same perioa a year ago.
Consumer & Business Banking reported a net income of $802m, down 16%, compared with the prior year.
JPMorgan chairman and CEO Jamie Dimon said that as the economy continues to recover, they are gratified to see signs of improvement in loan demand and credit quality. Commercial Banking had its sixth consecutive quarter of loan growth, including a 17% increase in middle-market loans over the prior year.
"In Treasury & Securities Services, trade loans were up 73% over the prior year. Business Banking loans were up 5% over the prior year reflecting a 24% increase in origination volume during 2011," added Dimon.