SEGMENT INFORMATION (Details - Schedule of continuing operations by operating segment) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total Revenues	$ 10,681	$ 9,396	$ 25,135	$ 23,839
Adjusted Pre-tax Income (Loss)	147	(9,661)	4,875	(7,103)
AIG Consolidation and Elimination
Segment Reporting Information [Line Items]
Total Revenues	(125)	35	(305)	(106)
Adjusted Pre-tax Income (Loss)	(94)	53	(270)	(34)
Total
Segment Reporting Information [Line Items]
Total Revenues	12,126	11,558	22,888	22,685
Adjusted Pre-tax Income (Loss)	1,708	791	2,964	971
General Insurance | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	6,946	6,255	13,584	12,922
Adjusted Pre-tax Income (Loss)	1,194	175	2,039	676
General Insurance | Reportable Segments | North America
Segment Reporting Information [Line Items]
Total Revenues	2,685	2,474	5,073	5,205
Adjusted Pre-tax Income (Loss)	169	(439)	(33)	(542)
General Insurance | Reportable Segments | International
Segment Reporting Information [Line Items]
Total Revenues	3,530	3,263	7,008	6,611
Adjusted Pre-tax Income (Loss)	294	96	569	112
General Insurance | Reportable Segments | Net Investment Income
Segment Reporting Information [Line Items]
Total Revenues	731	518	1,503	1,106
Adjusted Pre-tax Income (Loss)	731	518	1,503	1,106
Life and Retirement | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	5,046	4,661	9,026	8,947
Adjusted Pre-tax Income (Loss)	1,124	895	2,065	1,496
Life and Retirement | Reportable Segments | Individual Retirement
Segment Reporting Information [Line Items]
Total Revenues	1,519	1,331	2,996	2,699
Adjusted Pre-tax Income (Loss)	617	549	1,149	854
Life and Retirement | Reportable Segments | Group Retirement
Segment Reporting Information [Line Items]
Total Revenues	820	712	1,626	1,406
Adjusted Pre-tax Income (Loss)	347	214	654	357
Life and Retirement | Reportable Segments | Life Insurance
Segment Reporting Information [Line Items]
Total Revenues	1,295	1,219	2,628	2,419
Adjusted Pre-tax Income (Loss)	20	2	(20)	80
Life and Retirement | Reportable Segments | Institutional Markets
Segment Reporting Information [Line Items]
Total Revenues	1,412	1,399	1,776	2,423
Adjusted Pre-tax Income (Loss)	140	130	282	205
Other Operations
Segment Reporting Information [Line Items]
Total Revenues	134	642	278	816
Adjusted Pre-tax Income (Loss)	(610)	(279)	(1,140)	(1,201)
Other Operations | Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	259	607	583	922
Adjusted Pre-tax Income (Loss)	$ (516)	$ (332)	$ (870)	$ (1,167)