SEGMENT INFORMATION (Details - Schedule of continuing operations by operating segment) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Total Revenues	$ 12,835	$ 10,221	$ 37,970	$ 34,060
Adjusted Pre-tax Income (Loss)	2,176	368	7,051	(6,735)
AIG Consolidation and Elimination
Segment Reporting Information [Line Items]
Total Revenues	(206)	(149)	(511)	(255)
Adjusted Pre-tax Income (Loss)	(192)	(140)	(462)	(174)
Total
Segment Reporting Information [Line Items]
Total Revenues	11,753	10,756	34,641	33,441
Adjusted Pre-tax Income (Loss)	1,126	916	4,090	1,887
General Insurance | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	7,214	6,692	20,798	19,614
Adjusted Pre-tax Income (Loss)	811	416	2,850	1,092
General Insurance | Reportable Segments | North America
Segment Reporting Information [Line Items]
Total Revenues	2,907	2,494	7,980	7,699
Adjusted Pre-tax Income (Loss)	(166)	(370)	(199)	(912)
General Insurance | Reportable Segments | International
Segment Reporting Information [Line Items]
Total Revenues	3,516	3,359	10,524	9,970
Adjusted Pre-tax Income (Loss)	186	(53)	755	59
General Insurance | Reportable Segments | Net Investment Income
Segment Reporting Information [Line Items]
Total Revenues	791	839	2,294	1,945
Adjusted Pre-tax Income (Loss)	791	839	2,294	1,945
Life and Retirement | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	4,444	3,990	13,470	12,937
Adjusted Pre-tax Income (Loss)	877	1,008	2,942	2,504
Life and Retirement | Reportable Segments | Individual Retirement
Segment Reporting Information [Line Items]
Total Revenues	1,560	1,479	4,556	4,178
Adjusted Pre-tax Income (Loss)	292	532	1,441	1,386
Life and Retirement | Reportable Segments | Group Retirement
Segment Reporting Information [Line Items]
Total Revenues	832	758	2,458	2,164
Adjusted Pre-tax Income (Loss)	316	338	970	695
Life and Retirement | Reportable Segments | Life Insurance
Segment Reporting Information [Line Items]
Total Revenues	1,211	1,189	3,839	3,608
Adjusted Pre-tax Income (Loss)	134	32	114	112
Life and Retirement | Reportable Segments | Institutional Markets
Segment Reporting Information [Line Items]
Total Revenues	841	564	2,617	2,987
Adjusted Pre-tax Income (Loss)	135	106	417	311
Other Operations
Segment Reporting Information [Line Items]
Total Revenues	95	74	373	890
Adjusted Pre-tax Income (Loss)	(562)	(508)	(1,702)	(1,709)
Other Operations | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	301	223	884	1,145
Adjusted Pre-tax Income (Loss)	$ (370)	$ (368)	$ (1,240)	$ (1,535)