Schedule II Condensed Financial Information of Registrant - Parent Company Only (Details - Balance Sheets) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets:
Short-term investments	$ 10,386	$ 12,302
Other Investments	20,822	24,538
Total investments	322,292	328,175
Cash	2,362	1,868	$ 1,629	$ 1,758
Loans to subsidiaries	0
Deferred income taxes	14,033	21,332
Investment in consolidated subsidiaries	0
Other assets	10,194	10,815
Total assets	498,301	498,264
Liabilities:
Outstanding debt	31,640	30,912
Loans from subsidiaries	0
Total liabilities	432,593	421,406
AIG Shareholders' equity:
Common stock	4,766	4,766
Treasury stock	(47,595)	(41,471)
Additional paid-in capital	81,078	81,064
Retained earnings	21,457	28,711
Accumulated other comprehensive income (loss)	5,465	3,230	2,537	10,617
Total AIG shareholders' equity	65,171	76,300
Total liabilities and equity	498,301	498,264
Parent Company [Member]
Assets:
Short-term investments	2,541	4,424
Other Investments	6,004	7,154
Total investments	8,545	11,578
Cash	3	2	$ 34	$ 26
Loans to subsidiaries	35,004	34,692
Due from affiliates - net	1,585	3,460
Intercompany tax receivable	3,058	5,129
Deferred income taxes	11,030	15,169
Investment in consolidated subsidiaries	40,135	42,582
Other assets	343	341
Total assets	99,703	112,953
Liabilities:
Due to affiliate	4,340	6,083
Intercompany tax payable	4,577	4,152
Outstanding debt	21,557	21,405
Loans from subsidiaries	517	577
Other liabilities (includes intercompany derivative liabilities of $63 in 2017 and $419 in 2016)	3,541	4,436
Total liabilities	34,532	36,653
AIG Shareholders' equity:
Common stock	4,766	4,766
Treasury stock	(47,595)	(41,471)
Additional paid-in capital	81,078	81,064
Retained earnings	21,457	28,711
Accumulated other comprehensive income (loss)	5,465	3,230
Total AIG shareholders' equity	65,171	76,300
Total liabilities and equity	99,703	112,953
Intercompany derivative liabilities	63	419
Parent Company [Member] | Series AIGFP
Liabilities:
Outstanding debt	21	31
Parent Company [Member] | MIP
Liabilities:
Outstanding debt	356	1,099
Parent Company [Member] | Notes and bonds payable
Liabilities:
Outstanding debt	20,339	19,432
Parent Company [Member] | Junior subordinated debt
Liabilities:
Outstanding debt	$ 841	$ 843