HELD-FOR-SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended				0 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended		9 Months Ended		0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	May 13, 2014 Aer Cap	Sep. 30, 2014 Aer Cap	Sep. 30, 2014 AIG	Sep. 30, 2014 AIG	Sep. 30, 2014 AIG Aer Cap	Sep. 30, 2014 AIG Revolving Credit Facility	Sep. 30, 2014 Discontinued operations	Sep. 30, 2013 Discontinued operations	Sep. 30, 2014 Discontinued operations	Sep. 30, 2013 Discontinued operations	May 14, 2014 International Lease Finance Corporation (ILFC)	May 14, 2014 International Lease Finance Corporation (ILFC)	Dec. 31, 2013 Assets held-for-sale
Held-for-Sale Classification and Discontinued Operations
Percentage of common stock agreed to be sold																		100.00%
Consideration in cash																	$ 7,600,000,000
Number of shares received																	97.6
Common stock value	4,766,000,000		4,766,000,000		4,766,000,000			4,600,000,000
Before Tax gain on sale after settlement of intercompany loans								2,200,000,000					5,000,000	(27,000,000)	56,000,000	119,000,000
After-tax gain on sale on sale after settlement of intercompany loans								1,400,000,000	0
Aggregate commitment under revolving credit facility												1,000,000,000
Percentage of common stock held after closing transaction							46.00%
Closing price per share (in dollars per share)							$ 47.01
Difference between carrying amount and equity of AerCap											1,400,000,000
Difference between carrying amount and equity of AerCap amortized into income based on estimated lives of assets and liabilities											400,000,000
Net cash proceeds to AIG were after the settlement of intercompany loans			2,348,000,000	0						2,400,000,000
Assets:
Equity securities	4,344,000,000		4,344,000,000		3,656,000,000														3,000,000
Mortgage and other loans receivable, net																			229,000,000
Flight equipment primarily under operating leases, net of accumulated depreciation																			35,508,000,000
Short-term investments	17,852,000,000		17,852,000,000		21,617,000,000														658,000,000
Cash	1,933,000,000	2,058,000,000	1,933,000,000	2,058,000,000	2,241,000,000	1,151,000,000													88,000,000
Premiums and other receivables, net of allowance	13,236,000,000		13,236,000,000		12,939,000,000														318,000,000
Other assets	10,239,000,000		10,239,000,000		9,366,000,000														2,066,000,000
Assets held for sale																			38,870,000,000
Less: Loss Accrual																			(9,334,000,000)
Total assets held for sale	0		0		29,536,000,000														29,536,000,000
Liabilities:
Other liabilities	28,410,000,000		28,410,000,000		29,155,000,000														3,127,000,000
Long-term debt	36,223,000,000		36,223,000,000		41,693,000,000														21,421,000,000
Total liabilities held for sale	0		0		24,548,000,000														24,548,000,000
Income (loss) from divested business or operations:
Gain (loss) on sale								2,200,000,000					5,000,000	(27,000,000)	56,000,000	119,000,000
Income (loss) from discontinued operations, before tax expense (benefit)													5,000,000	(27,000,000)	56,000,000	119,000,000
Income tax expense (benefit)													3,000,000	(9,000,000)	71,000,000	46,000,000
Income (loss) from discontinued operations, net of income tax expense	$ 2,000,000	$ (18,000,000)	$ (15,000,000)	$ 73,000,000									$ 2,000,000	$ (18,000,000)	$ (15,000,000)	$ 73,000,000