Schedule II Condensed Financial Information of Registrant - Parent Company Only (Details - Statements of Cash Flows) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 2,383	$ 2,877	$ 5,007
Cash flows from investing activities:
Proceeds from divested businesses, net	2,809		2,348
Purchase of investments	(69,985)	(65,265)	(58,110)
Net change in restricted cash	385	1,457	(1,447)
Net change in short-term investments	(3,089)	1,163	8,760
Contributions from (to) subsidiaries - net	0	0
Mortgage and other loans receivable	(10,651)	(10,140)	(8,008)
Payments received on mortgages and other loan receivables	6,074	5,104	3,856
Loans to subsidiaries - net	0	0
Other, net	(1,020)	(1,509)	(1,023)
Net cash provided by (used in) investing activities	4,744	8,462	14,284
Cash flows from financing activities:
Issuance of long-term debt	5,954	6,867	6,687
Repayments of long-term debt	(4,082)	(9,805)	(16,160)
Cash dividends paid	(1,372)	(1,028)	(712)
Purchase of Common Stock	(11,460)	(10,691)	(4,902)
Other, net	(68)	(818)	6,420
Net cash provided by (used in) financing activities	(6,833)	(11,429)	(19,788)
Net increase (decrease) in cash	346	(129)	(571)
Cash at beginning of year	1,629	1,758	2,241
Cash at end of year	1,868	1,629	1,758
Interest:
Third party	(1,331)	(1,368)	(3,367)
Intercompany	0	0	0
Taxes:
Income tax authorities	(493)	(511)	(737)
Intercompany	0	0	0
Aer Cap
Non-cash investing/financing activities:
Non-cash consideration received from sale		500
UGC
Non-cash investing/financing activities:
Non-cash consideration received from sale	1,101
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	2,112	4,443	9,316
Cash flows from investing activities:
Sales and maturities of investments	5,598	7,609	2,996
Proceeds from divested businesses, net	2,160
Purchase of investments	(1,002)	(1,881)	(1,051)
Net change in restricted cash	0	0	(501)
Net change in short-term investments	(789)	2,300	5,792
Contributions from (to) subsidiaries - net	1,637	565	(148)
Mortgage and other loans receivable	(85)
Payments received on mortgages and other loan receivables	171	158	40
Loans to subsidiaries - net	1,525	(83)	446
Other, net	(56)	(175)	(141)
Net cash provided by (used in) investing activities	9,159	8,493	7,433
Cash flows from financing activities:
Issuance of long-term debt	3,831	5,540	3,247
Repayments of long-term debt	(1,996)	(6,504)	(14,468)
Proceeds from drawdown on the Department of the Treasury Commitment		0	0
Issuance of Common Stock	0	0	0
Cash dividends paid	(1,372)	(1,028)	(712)
Loans from subsidiaries - net	3	(201)	110
Purchase of Common Stock	(11,460)	(10,691)	(4,902)
Other, net	(309)	(44)	(28)
Net cash provided by (used in) financing activities	(11,303)	(12,928)	(16,753)
Net increase (decrease) in cash	(32)	8	(4)
Cash at beginning of year	34	26	30
Cash at end of year	2	34	26
Interest:
Third party	(975)	(1,030)	(1,624)
Intercompany	2	0	5
Taxes:
Income tax authorities	(15)	(11)	(18)
Intercompany	479	829	1,172
Non-cash investing/financing activities:
Capital contributions in the form of available for sale securities			0
Capital contributions to subsidiaries through forgiveness of loans		0
Other capital contributions - net	3,245	494	2,457
Return of capital	0	0	4,836
Return of capital and dividend received in the form of cancellation of intercompany loan			0
Return of capital and dividend received in the form of other bonds securities	5,234	2,326	3,088
Fixed maturity securities received in exchange for equity securities	$ 440
Payment of accrued compounded interest of FRBNY Credit Facility			$ 0
AIG Capital Corporation [Member]
Non-cash investing/financing activities:
Return of capital		$ 4,800