Schedule II Condensed Financial Information of Registrant - Parent Company Only (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Assets:
Short-term investments	$ 21,617	$ 28,808
Other investments	334,811	347,016
Total investments	356,428	375,824
Cash	2,241	1,151	1,474	1,558
Deferred income taxes	21,925	17,466
Other assets	9,366	10,399
Total assets	541,329	548,633
Liabilities:
Outstanding debt	41,693	48,500
Total liabilities	440,218	449,630
AIG Shareholders' equity:
Common stock	4,766	4,766
Treasury stock	(14,520)	(13,924)
Additional paid-in capital	80,899	80,410
Retained earnings	22,965	14,176
Accumulated other comprehensive income (loss)	6,360	12,574
Total AIG shareholders' equity	100,470	98,002
Total liabilities and equity	541,329	548,633
Parent Company
Assets:
Short-term investments	11,965	14,764
Other investments	7,561	3,902
Total investments	19,526	18,666
Cash	30	81	176	49
Loans to subsidiaries	31,220	35,064
Due from affiliates - net	765	422
Deferred income taxes	19,352	20,601
Investment in consolidated subsidiaries	66,201	70,781
Other assets	1,489	2,130
Total assets	138,583	147,745
Liabilities:
Intercompany tax payable	1,419	6,078
Loans from subsidiaries	852	1,002
Other liabilities (includes intercompany derivative liabilities of $249 in 2013 and $602 in 2012)	5,003	6,297
Total liabilities	38,113	49,743
Intercompany derivative liabilities	249	602
AIG Shareholders' equity:
Common stock	4,766	4,766
Treasury stock	(14,520)	(13,924)
Additional paid-in capital	80,899	80,410
Retained earnings	22,965	14,176
Accumulated other comprehensive income (loss)	6,360	12,574
Total AIG shareholders' equity	100,470	98,002
Total liabilities and equity	138,583	147,745
Parent Company | Series AIGFP
Liabilities:
Outstanding debt	3,031	3,329
Parent Company | MIP
Liabilities:
Outstanding debt	7,963	9,287
Parent Company | Notes and bonds payable
Liabilities:
Outstanding debt	14,312	14,334
Parent Company | Junior subordinated debt
Liabilities:
Outstanding debt	$ 5,533	$ 9,416