EMPLOYEE BENEFITS (Tables)

12 Months Ended

Dec. 31, 2017

Defined Benefit Plan Disclosure [Line Items]

Schedule of funded status of the plans reconciled to the amount reported in the balance sheets

As of or for the Years Ended		Pension								Postretirement
December 31,		U.S. Plans*			Non-U.S. Plans*					U.S. Plans			Non-U.S. Plans
(in millions)		2017		2016		2017		2016		2017		2016		2017		2016
Change in projected benefit obligation:
Benefit obligation, beginning of year	$	4,948	$	5,324	$	1,246	$	1,146	$	196	$	208	$	80	$	75
Service cost		11		19		29		31		2		2		3		3
Interest cost		166		181		16		21		6		7		3		3
Actuarial (gain) loss		372		118		(29)		98		-		(2)		(2)		-
Benefits paid:
AIG assets		(19)		(24)		(10)		(12)		(13)		(14)		(1)		(1)
Plan assets		(161)		(332)		(26)		(35)		-		-		-		-
Plan amendment		-		-		-		1		-		-		(6)		-
Curtailments		-		-		(7)		(2)		-		(1)		-		-
Settlements		(226)		(338)		(12)		(16)		-		-		-		-
Foreign exchange effect		-		-		37		19		-		-		1		-
Other		-		-		(42)		(5)		(1)		(4)		(15)		-
Projected benefit obligation, end of year	$	5,091	$	4,948	$	1,202	$	1,246	$	190	$	196	$	63	$	80
Change in plan assets:
Fair value of plan assets, beginning
of year	$	3,843	$	4,359	$	803	$	773	$	-	$	-	$	-	$	-
Actual return on plan assets, net of expenses		584		154		67		19		-		-		-		-
AIG contributions		329		24		60		71		13		14		1		1
Benefits paid:
AIG assets		(19)		(24)		(10)		(12)		(13)		(14)		(1)		(1)
Plan assets		(161)		(332)		(26)		(35)		-		-		-		-
Settlements		(226)		(338)		(12)		(16)		-		-		-		-
Foreign exchange effect		-		-		19		6		-		-		-		-
Dispositions		-		-		-		(4)		-		-		-		-
Other		-		-		(26)		1		-		-		-		-
Fair value of plan assets, end of year	$	4,350	$	3,843	$	875	$	803	$	-	$	-	$	-	$	-
Funded status, end of year	$	(741)	$	(1,105)	$	(327)	$	(443)	$	(190)	$	(196)	$	(63)	$	(80)
Amounts recognized in the balance
sheet:
Assets	$	-	$	-	$	68	$	53	$	-	$	-	$	-	$	-
Liabilities		(741)		(1,105)		(395)		(496)		(190)		(196)		(63)		(80)
Total amounts recognized	$	(741)	$	(1,105)	$	(327)	$	(443)	$	(190)	$	(196)	$	(63)	$	(80)
Pre-tax amounts recognized in Accumulated
other comprehensive income:
Net gain (loss)	$	(1,373)	$	(1,405)	$	(170)	$	(251)	$	17	$	17	$	(11)	$	(15)
Prior service (cost) credit		-		-		(22)		(28)		1		2		5		-
Total amounts recognized	$	(1,373)	$	(1,405)	$	(192)	$	(279)	$	18	$	19	$	(6)	$	(15)

* Includes non-qualified unfunded plans of which the aggregate projected benefit obligation was $272 million and $278 million for the U.S. at December 31,2017 and 2016, respectively, and $211 million and $199 million for the non-U.S at December 31,2017 and2016, respectively.

Schedule of accumulated benefit obligations

At December 31,
(in millions)		2017		2016
U.S. pension benefit plans	$	5,091	$	4,948
Non-U.S. pension benefit plans	$	1,188	$	1,215

Schedule of projected benefit obligation in excess of the plan assets and the accumulated benefit obligation in excess of the plan assets

At December 31,	PBO Exceeds Fair Value of Plan Assets								ABO Exceeds Fair Value of Plan Assets
		U.S. Plans				Non-U.S. Plans				U.S. Plans				Non-U.S. Plans
(in millions)		2017		2016		2017		2016		2017		2016		2017		2016
Projected benefit obligation	$	5,091	$	4,948	$	1,054	$	1,121	$	5,091	$	4,948	$	991	$	1,029
Accumulated benefit obligation		5,091		4,948		979		1,016		5,091		4,948		979		1,009
Fair value of plan assets		4,350		3,843		596		545		4,350		3,843		596		536

Schedule of components of net periodic benefit cost

Years Ended December 31,	Pension												Postretirement
	U.S. Plans						Non-U.S. Plans						U.S. Plans						Non-U.S. Plans
(in millions)		2017		2016		2015		2017		2016		2015		2017		2016		2015		2017		2016		2015
Components of net periodic benefit
cost:
Service cost*	$	11	$	19	$	192	$	29	$	31	$	43	$	2	$	2	$	5	$	3	$	3	$	3
Interest cost		166		181		220		16		21		25		6		7		8		3		3		3
Expected return on assets		(266)		(292)		(295)		(24)		(26)		(25)		-		-		-		-		-		-
Amortization of prior service credit		-		-		(22)		-		-		(2)		(1)		(12)		(11)		(1)		-		(1)
Amortization of net (gain) loss		26		25		92		12		7		9		(1)		(1)		-		1		1		-
Net periodic benefit cost (credit)		(63)		(67)		187		33		33		50		6		(4)		2		6		7		5
Curtailment gain		-		-		(179)		(6)		(6)		(1)		-		(1)		-		(2)		-		-
Settlement loss		60		149		-		1		2		1		-		-		-		-		-		-
Net benefit cost (credit)	$	(3)	$	82	$	8	$	28	$	29	$	50	$	6	$	(5)	$	2	$	4	$	7	$	5
Total recognized in Accumulated other
comprehensive income (loss)	$	32	$	(82)	$	143	$	87	$	(101)	$	38	$	(2)	$	(7)	$	12	$	9	$	1	$	(9)
Total recognized in net periodic benefit
cost and other comprehensive
income (loss)	$	35	$	(164)	$	135	$	59	$	(130)	$	(12)	$	(8)	$	(2)	$	10	$	5	$	(6)	$	(14)

* Reflects administrative fees for the U.S. pension plans.

Schedule of weighted average assumptions used to determine the benefit obligations

	Pension						Postretirement
	U.S. Plans			Non-U.S. Plans(a)			U.S. Plans		Non-U.S. Plans(a)
December 31, 2017
Discount rate	3.61	%			1.60	%	3.53	%		3.59	%
Rate of compensation increase	N/A		(b)		2.27	%	N/A			3.00	%
December 31, 2016
Discount rate	4.14	%			1.50	%	4.02	%		3.95	%
Rate of compensation increase	N/A		(b)		2.50	%	N/A			3.38	%

(a)The non-U.S. plans reflect those assumptions that were most appropriate for the local economic environments of each of the subsidiaries providing such benefits.

(b)Compensation increases are no longer applicable due to the plan freeze that became effective January 1, 2016.

Schedule of assumed health care cost trend rates

At December 31,	2017	2016
Following year:
Medical (before age 65)	6.12%	6.31%
Medical (age 65 and older)	5.00%	5.00%
Ultimate rate to which cost increase is assumed to decline	4.50%	4.50%
Year in which the ultimate trend rate is reached:
Medical (before age 65)	2038	2038
Medical (age 65 and older)	2038	2038

Schedule of A one percent point change in the assumed healthcare cost trend rate

	One Percent				One Percent
At December 31,	Increase				Decrease
(in millions)		2017		2016		2017		2016
U.S. plans	$	4	$	4	$	(4)	$	(3)
Non-U.S. plans	$	14	$	19	$	(10)	$	(14)

Schedule of weighted average assumptions used to determine the net periodic benefit costs

	Pension					Postretirement
	U.S. Plans		Non-U.S. Plans*			U.S. Plans		Non-U.S. Plans*
For the Year Ended December 31, 2017
Discount rate	4.15	%		1.50	%	4.01	%		3.95	%
Rate of compensation increase	N/A			2.50	%	N/A			3.38	%
Expected return on assets	7.00	%		2.92	%	N/A			N/A
For the Year Ended December 31, 2016
Discount rate	4.33	%		2.17	%	4.21	%		4.09	%
Rate of compensation increase	N/A			2.64	%	N/A			3.43	%
Expected return on assets	7.00	%		3.28	%	N/A			N/A
For the Year Ended December 31, 2015
Discount rate	3.94	%		2.33	%	3.77	%		4.04	%
Rate of compensation increase	3.40	%		2.89	%	N/A			3.29	%
Expected return on assets	7.25	%		3.33	%	N/A			N/A

*The non-U.S. plans reflect those assumptions that were most appropriate for the local economic environments of the subsidiaries providing such benefits.

Schedule of plan assets based on the level within the fair value hierarchy in which the fair value measurement falls

	U.S. Plans								Non-U.S. Plans
(in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
At December 31, 2017
Assets:
Cash and cash equivalents	$	397	$	-	$	-	$	397	$	51	$	-	$	-	$	51
Equity securities:
U.S.(a)		1,300		-		-		1,300		-		-		-		-
International(b)		265		-		-		265		362		64		-		426
Fixed maturity securities:
U.S. investment grade(c)		-		1,006		12		1,018		-		-		-		-
International investment grade(c)		-		204		-		204		-		97		-		97
U.S. and international high yield(d)		-		212		-		212		-		171		-		171
Mortgage and other asset-backed
securities(e)		-		142		-		142		-		-		-		-
Other fixed maturity securities		-		-		-		-		-		16		-		16
Other investment types(g):
Direct private equity(f)		-		-		15		15		-		-		-		-
Insurance contracts		-		20		-		20		-		-		113		113
Total	$	1,962	$	1,584	$	27	$	3,573	$	413	$	348	$	113	$	874
At December 31, 2016
Assets:
Cash and cash equivalents	$	228	$	-	$	-	$	228	$	50	$	-	$	-	$	50
Equity securities:
U.S.(a)		838		1		-		839		-		-		-		-
International(b)		377		-		-		377		298		58		-		356
Fixed maturity securities:
U.S. investment grade(c)		-		1,174		2		1,176		-		-		-		-
International investment grade(c)		-		-		-		-		-		90		-		90
U.S. and international high yield(d)		-		218		-		218		-		186		-		186
Mortgage and other asset-backed
securities(e)		-		-		-		-		-		-		-		-
Other fixed maturity securities		-		-		-		-		-		13		-		13
Other investment types(g):
Direct private equity(f)		-		-		24		24		-		-		-		-
Insurance contracts		-		21		-		21		-		-		108		108
Total	$	1,443	$	1,414	$	26	$	2,883	$	348	$	347	$	108	$	803

(a)Includes passive and active U.S. Large Cap and Small Cap strategies, as well as mutual funds, and exchange traded funds.

(b) Includes investments in companies in emerging and developed markets.

(c) Represents investments in U.S. and non-U.S. government issued bonds, U.S. government agency or sponsored agency bonds, and investment grade corporate bonds.

(d) Consists primarily of investments in securities or debt obligations that have a rating below investment grade.

(e) Comprised primarily of investments in U.S. asset backed securities and collateralized loan obligations.

(f)Comprised of private capital financing including private debt and private equity securities.

(g) Excludes investments that are measured at fair value using the NAV per share (or its equivalent), which totaled $777 million and $960 million at December 31, 2017 and 2016, respectively.

Schedule of changes in Level 3 plan assets measured at fair value

																				Changes in
				Net																Unrealized Gains
		Balance		Realized and														Balance		(Losses) on
At December 31, 2017		Beginning		Unrealized										Transfers		Transfers		at End		Instruments Held
(in millions)		of year		Gains (Losses)		Purchases		Sales		Issuances		Settlements		In		Out		of year		at End of year
U.S. Plan Assets:
Fixed maturity securities
U.S. investment grade	$	2	$	-	$	17	$	(7)	$	-	$	-	$	-	$	-	$	12	$	2
Direct private equity		24		(3)		1		(7)		-		-		-		-		15		(1)
Total	$	26	$	(3)	$	18	$	(14)	$	-	$	-	$	-	$	-	$	27	$	1
Non-U.S. Plan Assets:
Other fixed maturity securities	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-
Insurance contracts		108		4		1		-		-		-		-		-		113		-
Total	$	108	$	4	$	1	$	-	$	-	$	-	$	-	$	-	$	113	$	-

																				Changes in
				Net																Unrealized Gains
		Balance		Realized and														Balance		(Losses) on
At December 31, 2016		Beginning		Unrealized										Transfers		Transfers		at End		Instruments Held
(in millions)		of year		Gains (Losses)		Purchases		Sales		Issuances		Settlements		In		Out		of year		at End of year
U.S. Plan Assets:
Fixed maturity securities
U.S. investment grade	$	9	$	1	$	2	$	(10)	$	-	$	-	$	-	$	-	$	2	$	-
Direct private equity		28		(4)		4		(4)		-		-		-		-		24		(4)
Total	$	37	$	(3)	$	6	$	(14)	$	-	$	-	$	-	$	-	$	26	$	(4)
Non-U.S. Plan Assets:
Other fixed maturity securities	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-
Insurance contracts		95		12		1		-		-		-		2		(2)		108		-
Total	$	95	$	12	$	1	$	-	$	-	$	-	$	2	$	(2)	$	108	$	-

Schedule of expected future benefit payments, net of participants' contributions

		Pension			Postretirement
		U.S.		Non-U.S.		U.S.		Non-U.S.
(in millions)		Plans		Plans		Plans		Plans
2018	$	291	$	36	$	13	$	1
2019		287		40		13		1
2020		297		42		13		1
2021		294		43		13		2
2022		291		41		13		2
2023-2027		1,407		235		60		11

U.S. Plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of asset allocation percentage by major asset class and target allocation

	Target		Actual		Actual
At December 31,	2018		2017		2016
Asset class:
Equity securities	46	%	45	%	43	%
Fixed maturity securities	44	%	36	%	36	%
Other investments	10	%	19	%	21	%
Total	100	%	100	%	100	%

Non U.S. Plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of asset allocation percentage by major asset class and target allocation

	Target		Actual		Actual
At December 31,	2018		2017		2016
Asset class:
Equity securities	30	%	49	%	44	%
Fixed maturity securities	52	%	32	%	36	%
Other investments	17	%	13	%	14	%
Cash and cash equivalents	1	%	6	%	6	%
Total	100	%	100	%	100	%