SEGMENT INFORMATION (Details - Schedule of continuing operations by operating segment) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Total Revenues	$ 10,221	$ 12,914	$ 34,060	$ 37,931
Adjusted Pre-tax Income (Loss)	368	1,260	(6,735)	4,251
AIG Consolidation and Eliminations
Segment Reporting Information [Line Items]
Total Revenues	(148)	(81)	(262)	(257)
Adjusted Pre-tax Income (Loss)	(136)	(46)	(171)	(172)
Total AIG Consolidated adjusted revenues and adjusted pre-tax income (loss)
Segment Reporting Information [Line Items]
Total Revenues	10,756	12,057	33,445	36,971
Adjusted Pre-tax Income (Loss)	918	746	1,893	4,270
General Insurance | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	6,692	7,415	19,614	22,744
Adjusted Pre-tax Income (Loss)	416	507	1,092	2,755
General Insurance | Reportable Segments | North America
Segment Reporting Information [Line Items]
Total Revenues	3,417	3,878	9,908	12,001
Adjusted Pre-tax Income (Loss)	399	435	813	2,087
General Insurance | Reportable Segments | International
Segment Reporting Information [Line Items]
Total Revenues	3,275	3,537	9,706	10,743
Adjusted Pre-tax Income (Loss)	17	72	279	668
Life and Retirement | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	3,870	3,833	12,591	11,865
Adjusted Pre-tax Income (Loss)	975	646	2,430	2,619
Life and Retirement | Reportable Segments | Individual Retirement
Segment Reporting Information [Line Items]
Total Revenues	1,480	1,416	4,183	4,233
Adjusted Pre-tax Income (Loss)	533	387	1,389	1,483
Life and Retirement | Reportable Segments | Group Retirement
Segment Reporting Information [Line Items]
Total Revenues	758	726	2,164	2,225
Adjusted Pre-tax Income (Loss)	338	203	695	728
Life and Retirement | Reportable Segments | Life Insurance
Segment Reporting Information [Line Items]
Total Revenues	1,076	1,037	3,280	3,264
Adjusted Pre-tax Income (Loss)	5	(7)	51	195
Life and Retirement | Reportable Segments | Institutional Markets
Segment Reporting Information [Line Items]
Total Revenues	556	654	2,964	2,143
Adjusted Pre-tax Income (Loss)	99	63	295	213
Other Operations
Segment Reporting Information [Line Items]
Total Revenues	128	139	305	422
Adjusted Pre-tax Income (Loss)	(426)	(454)	(1,436)	(1,256)
Legacy Portfolio
Segment Reporting Information [Line Items]
Total Revenues	214	751	1,197	2,197
Adjusted Pre-tax Income (Loss)	$ 89	$ 93	$ (22)	$ 324