INFORMATION PROVIDED IN CONNECTION WITH OUTSTANDING DEBT (Details - Condensed Consolidating Statements of Cash Flows) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018		Dec. 31, 2017	Jun. 30, 2017
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ (340)	$ (9,036)
Cash flows from investing activities:
Sales of investments	31,164	46,408
Sale of divested businesses, net	10	538
Purchase of investments	(28,504)	(32,351)
Loans to subsidiaries - net	0	0
Contributions from (to) subsidiaries - net	0	0
Net change in short-term investments	(3,840)	1,047
Other, net	(300)	(917)
Net cash provided by (used in) investing activities	(1,470)	14,725
Cash flows from financing activities:
Issuance of long-term debt	3,504	2,221
Repayments of long-term debt	(1,959)	(1,606)
Purchase of Common Stock	(646)	(6,000)
Intercompany loans - net	0	0
Cash dividends paid	(575)	(597)
Other, net	1,099	955
Net cash provided by (used in) financing activities	1,423	(5,027)
Effect of exchange rate changes on cash and restricted cash	30	(25)
Change in cash and restricted cash	(357)	637
Cash and restricted cash at beginning of year	2,737	2,107
Change in cash of businesses held for sale			$ 0			$ 66
Cash and restricted cash at end of period	2,380	2,810
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Cash			2,135		$ 2,362	2,517
Total cash and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	2,380	2,107	2,380		2,737	2,810
Interest:
Third party	(664)	(682)
Intercompany	0	0
Taxes:
Income tax authorities	(40)	(402)
Intercompany	0	0
Other Assets
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			227	[1]	317	234	[1]
Short-term investments
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			18	[1]	58	59	[1]
AIG (As Guarantor)
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	1,312	665
Cash flows from investing activities:
Sales of investments	3,800	5,030
Sale of divested businesses, net	0	0
Purchase of investments	(1,327)	(1,158)
Loans to subsidiaries - net	422	350
Contributions from (to) subsidiaries - net	57	931
Net change in short-term investments	(4,017)	405
Other, net	(51)	(46)
Net cash provided by (used in) investing activities	(1,116)	5,512
Cash flows from financing activities:
Issuance of long-term debt	2,472	1,108
Repayments of long-term debt	(1,313)	(606)
Purchase of Common Stock	(646)	(6,000)
Intercompany loans - net	25	(73)
Cash dividends paid	(575)	(597)
Other, net	(162)	(3)
Net cash provided by (used in) financing activities	(199)	(6,171)
Change in cash and restricted cash	(3)	6
Cash and restricted cash at beginning of year	8	3
Change in cash of businesses held for sale						0
Cash and restricted cash at end of period	5	9
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Cash			3		3	5
Total cash and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	8	3	5		8	9
Interest:
Third party	(478)	(513)
Intercompany	(1)	0
Taxes:
Income tax authorities	(17)	(280)
Intercompany	846	1,495
Non-cash financing and investing activities:
Return of capital	2,706	26
Dividends received in the form of securities	60	735
Capital contributions	2,339	198
AIG (As Guarantor) | Other Assets
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			1		1	1
AIG (As Guarantor) | Short-term investments
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			1		4	3
AIGLH
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	1,211	629
Cash flows from investing activities:
Sales of investments	0	0
Sale of divested businesses, net		0
Purchase of investments	0	0
Loans to subsidiaries - net	0	0
Contributions from (to) subsidiaries - net	0	0
Net change in restricted cash	0
Net change in short-term investments	0	0
Other, net	0	0
Net cash provided by (used in) investing activities	0	0
Cash flows from financing activities:
Issuance of long-term debt	0	0
Repayments of long-term debt	0	0
Purchase of Common Stock	0	0
Intercompany loans - net	0	0
Cash dividends paid	(1,228)	(652)
Other, net	0	0
Net cash provided by (used in) financing activities	(1,228)	(652)
Change in cash and restricted cash	(17)	(23)
Cash and restricted cash at beginning of year	20	34
Change in cash of businesses held for sale						0
Cash and restricted cash at end of period	3	11
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Cash			3		20	11
Total cash and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	3	11	3		20	11
Interest:
Third party	(23)	0
Intercompany	(1)	0
Taxes:
Income tax authorities	0	0
Intercompany	0	0
AIGLH | Other Assets
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			0			0
AIGLH | Short-term investments
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			0			0
Other Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(849)	(8,973)
Cash flows from investing activities:
Sales of investments	29,992	44,776
Sale of divested businesses, net	10	538
Purchase of investments	(29,805)	(34,591)
Loans to subsidiaries - net	(25)	73
Contributions from (to) subsidiaries - net	0	0
Net change in short-term investments	177	642
Other, net	(249)	(871)
Net cash provided by (used in) investing activities	100	10,567
Cash flows from financing activities:
Issuance of long-term debt	1,032	1,113
Repayments of long-term debt	(646)	(1,000)
Purchase of Common Stock	0	0
Intercompany loans - net	(422)	(350)
Cash dividends paid	(786)	(705)
Other, net	1,204	27
Net cash provided by (used in) financing activities	382	(915)
Effect of exchange rate changes on cash and restricted cash	30	(25)
Change in cash and restricted cash	(337)	654
Cash and restricted cash at beginning of year	2,709	2,070
Change in cash of businesses held for sale						66
Cash and restricted cash at end of period	2,372	2,790
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Cash			2,129		2,339	2,501
Total cash and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	2,372	2,790	2,372		2,709	2,790
Interest:
Third party	(163)	(169)
Intercompany	2	0
Taxes:
Income tax authorities	(23)	(122)
Intercompany	(846)	(1,495)
Other Subsidiaries | Other Assets
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			226		316	233
Other Subsidiaries | Short-term investments
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Restricted cash			17		54	56
Reclassification and Eliminations
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(2,014)	(1,357)
Cash flows from investing activities:
Sales of investments	(2,628)	(3,398)
Sale of divested businesses, net	0	0
Purchase of investments	2,628	3,398
Loans to subsidiaries - net	(397)	(423)
Contributions from (to) subsidiaries - net	(57)	(931)
Net change in short-term investments		0
Other, net		0
Net cash provided by (used in) investing activities	(454)	(1,354)
Cash flows from financing activities:
Issuance of long-term debt	0	0
Repayments of long-term debt	0	0
Purchase of Common Stock		0
Intercompany loans - net	397	423
Cash dividends paid	2,014	1,357
Other, net	57	931
Net cash provided by (used in) financing activities	2,468	2,711
Change in cash and restricted cash	0	0
Cash and restricted cash at beginning of year	0	0
Change in cash of businesses held for sale						0
Cash and restricted cash at end of period	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract]
Cash			0		0
Total cash and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	0	0	$ 0		$ 0	$ 0
Interest:
Third party	0	0
Intercompany	0	0
Taxes:
Income tax authorities	0	0
Intercompany	$ 0	$ 0

[1] Includes funds held for tax sharing payments to AIG Parent, security deposits for certain leased aircraft and escrow funds, security deposits and replacement reserve deposits related to our affordable housing investments.