In post-market trading, shares had dropped 2% to $51.65.
Dragging on profits, AIG reported a 5% drop in property casualty insurance, while consumer insurance fell 7% on higher catastrophe and severe loss claims.
Adjusted profits of $1.21 a share beat analysts' estimates of $1.07 a share, according to those polled by Thomson Reuters.
Revenue slid 4% year over year to $8.2 billion. Analysts had expected $9.4 billion.