Schedule II Condensed Financial Information of Registrant - Parent Company Only (Details - Balance Sheets) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets:
Short-term investments	$ 9,674	$ 10,386
Other Investments	19,341	20,822
Total investments	314,209	322,292
Cash	2,873	2,362	$ 1,868
Loans to subsidiaries	0
Deferred income taxes	15,221	14,033
Investment in consolidated subsidiaries	0
Other assets	13,568	10,194
Total assets	491,984	498,301
Restricted cash	142	58	46
Liabilities:
Outstanding debt	34,540	31,640
Loans from subsidiaries	0
Total liabilities	434,675	432,593
AIG Shareholders' equity:
Common stock	4,766	4,766
Treasury stock	(49,144)	(47,595)
Additional paid-in capital	81,268	81,078
Retained earnings	20,884	21,457
Accumulated other comprehensive income (loss)	(1,413)	5,465	3,230	$ 2,537
Total AIG shareholders' equity	56,361	65,171
Total liabilities and equity	491,984	498,301
Short-term investments
Assets:
Restricted cash	142	58
Other assets
Assets:
Restricted cash	343	317
Parent Company [Member]
Assets:
Short-term investments	1,141	2,541
Other Investments	3,377	6,004
Total investments	4,518	8,545
Cash	2	3	2
Loans to subsidiaries	34,963	35,004
Due from affiliates - net	1,206	1,585
Intercompany tax receivable	3,053	3,058
Deferred income taxes	10,747	11,030
Investment in consolidated subsidiaries	33,300	40,135
Other assets	383	343
Total assets	88,172	99,703
Restricted cash	124	4	0
Liabilities:
Due to affiliate	2,329	4,340
Intercompany tax payable	2,954	4,577
Deferred tax liabilities	0	0
Outstanding debt	22,422	21,557
Loans from subsidiaries	615	517
Other liabilities (includes intercompany derivative liabilities of $63 in 2017 and $419 in 2016)	3,491	3,541
Total liabilities	31,811	34,532
AIG Shareholders' equity:
Common stock	4,766	4,766
Treasury stock	(49,144)	(47,595)
Additional paid-in capital	81,268	81,078
Retained earnings	20,884	21,457
Accumulated other comprehensive income (loss)	(1,413)	5,465
Total AIG shareholders' equity	56,361	65,171
Total liabilities and equity	88,172	99,703
Intercompany derivative liabilities	105	63
Parent Company [Member] | Short-term investments
Assets:
Restricted cash	124	4	0
Parent Company [Member] | Other assets
Assets:
Restricted cash	1	1	$ 1
Series AIGFP | Parent Company [Member]
Liabilities:
Outstanding debt	21	21
MIP | Parent Company [Member]
Liabilities:
Outstanding debt	0	356
Notes and bonds payable | Parent Company [Member]
Liabilities:
Outstanding debt	20,853	20,339
Junior subordinated debt | Parent Company [Member]
Liabilities:
Outstanding debt	$ 1,548	$ 841