SEGMENT INFORMATION (Details - Continuing operations by reportable segment) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment results
Total Revenues	$ 11,631	$ 12,502	$ 23,343	$ 25,134
Adjusted pre-tax income (loss)	1,252	1,667	2,479	3,394
AIG Consolidation and Eliminations
Segment results
Total Revenues	(110)	(54)	(172)	(118)
Adjusted pre-tax income (loss)	(12)	28	(1)	76
Total AIG Consolidated adjusted revenues and adjusted pre-tax income (loss)
Segment results
Total Revenues	11,532	12,496	23,360	25,231
Adjusted pre-tax income (loss)	1,278	2,133	2,494	4,174
General Insurance | Reportable Segments
Segment results
Total Revenues	7,227	7,421	14,671	14,959
Adjusted pre-tax income (loss)	568	1,046	1,078	2,107
General Insurance | Reportable Segments | North America
Segment results
Total Revenues	3,426	3,671	6,766	7,511
Adjusted pre-tax income (loss)	407	721	727	1,549
General Insurance | Reportable Segments | International
Segment results
Total Revenues	3,801	3,750	7,905	7,448
Adjusted pre-tax income (loss)	161	325	351	558
Life and Retirement | Reportable Segments
Segment results
Total Revenues	3,465	3,365	6,925	7,068
Adjusted pre-tax income (loss)	962	993	1,854	1,891
Life and Retirement | Reportable Segments | Individual Retirement
Segment results
Total Revenues	1,366	1,383	2,727	2,756
Adjusted pre-tax income (loss)	462	558	961	1,097
Life and Retirement | Reportable Segments | Group Retirement
Segment results
Total Revenues	730	696	1,491	1,414
Adjusted pre-tax income (loss)	250	266	532	509
Life and Retirement | Reportable Segments | Life insurance
Segment results
Total Revenues	1,092	1,030	2,153	2,043
Adjusted pre-tax income (loss)	175	106	227	160
Life and Retirement | Reportable Segments | Institutional Markets
Segment results
Total Revenues	277	256	554	855
Adjusted pre-tax income (loss)	75	63	134	125
Other Operations
Segment results
Total Revenues	169	626	319	1,100
Adjusted pre-tax income (loss)	(374)	(365)	(716)	(673)
Legacy Portfolio
Segment results
Total Revenues	781	1,138	1,617	2,222
Adjusted pre-tax income (loss)	$ 134	$ 431	$ 279	$ 773