SEGMENT INFORMATION (Details - Continuing operations by reportable segment) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Total Revenues	$ 11,486	$ 11,751	$ 34,829	$ 36,885
Net investment income	3,396	3,416	9,722	10,715
Interest Expense	326	290	902	880
Deferred acquisition costs adjustment	1,118	912	3,813	3,135
Adjusted pre-tax income (loss)	(1,527)	(2,803)	952	591
AIG Consolidation and Eliminations
Segment Reporting Information [Line Items]
Total Revenues	(42)	(119)	(214)	(237)
Adjusted pre-tax income (loss)	29	(1)	28	75
Total AIG Consolidated adjusted revenues and adjusted pre-tax income (loss)
Segment Reporting Information [Line Items]
Total Revenues	12,035	12,658	35,395	37,889
Adjusted pre-tax income (loss)	(416)	(1,856)	2,078	2,318
General Insurance \| Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	7,982	7,501	22,653	22,460
Adjusted pre-tax income (loss)	(825)	(2,933)	253	(826)
General Insurance \| Reportable Segments \| North America
Segment Reporting Information [Line Items]
Total Revenues	4,129	3,634	10,895	11,145
Adjusted pre-tax income (loss)	(160)	(2,193)	567	(644)
General Insurance \| Reportable Segments \| International
Segment Reporting Information [Line Items]
Total Revenues	3,853	3,867	11,758	11,315
Adjusted pre-tax income (loss)	(665)	(740)	(314)	(182)
Life and Retirement \| Reportable Segments
Segment Reporting Information [Line Items]
Total Revenues	3,146	4,136	10,071	11,204
Adjusted pre-tax income (loss)	713	1,158	2,567	3,049
Life and Retirement \| Reportable Segments \| Individual Retirement
Segment Reporting Information [Line Items]
Total Revenues	1,335	1,343	4,062	4,099
Adjusted pre-tax income (loss)	393	718	1,354	1,815
Life and Retirement \| Reportable Segments \| Group Retirement
Segment Reporting Information [Line Items]
Total Revenues	718	702	2,209	2,116
Adjusted pre-tax income (loss)	242	249	774	758
Life and Retirement \| Reportable Segments \| Life insurance
Segment Reporting Information [Line Items]
Total Revenues	809	1,000	2,962	3,043
Adjusted pre-tax income (loss)	16	112	243	272
Life and Retirement \| Reportable Segments \| Institutional Markets
Segment Reporting Information [Line Items]
Total Revenues	284	1,091	838	1,946
Adjusted pre-tax income (loss)	62	79	196	204
Other Operations
Segment Reporting Information [Line Items]
Total Revenues	135	127	454	1,227
Adjusted pre-tax income (loss)	(417)	(366)	(1,133)	(1,039)
Legacy Portfolio
Segment Reporting Information [Line Items]
Total Revenues	814	1,013	2,431	3,235
Adjusted pre-tax income (loss)	$ 84	$ 286	$ 363	$ 1,059

Amount of amortization expense (reversal of expense) for deferred policy acquisition costs.

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