BUSINESS COMBINATION (Details - Pro Forma Income Statement Information) - Validus Holding Ltd [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
BUSINESS COMBINATION
Total revenues	$ 12,914	$ 11,486	$ 37,931	$ 36,028
Net income (loss)	973	(1,259)	3,300	576
Net income (loss) attributable to AIG common shareholders	$ 648	$ (1,259)	$ 2,404	$ 571
Basic net income (loss) attributable to AIG common shareholders	$ 0.74	$ (1.41)	$ 2.74	$ 0.63
Diluted net income (loss) attributable to AIG common shareholders	$ 0.72	$ (1.41)	$ 2.71	$ 0.62