CONTINGENCIES, COMMITMENTS AND GUARANTEES (Details - Contingencies, Commitments and Guarantees) $ in Millions	Mar. 31, 2020 USD ($)
Future undiscounted cash flows under operating leases
Other commitments	$ 6,900
Amount outstanding under standby letters of credit at end of period	$ 79

The amount the entity has committed to invest in limited partnerships, private equities, hedge funds and mutual funds, and to purchase and develop real estate in the U.S. and abroad.

No definition available.

Name:	aig_OtherCommitmentsAmount
Namespace Prefix:	aig_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant