INSURANCE LIABILITIES (Details - Discounting of Reserves) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Discounting of Reserves [Line Items]
Tabular Discount Rate		3.50%
Workers Compensation Tabular Discount Amount	$ 622
Workers Compensation Non Tabular Discount Amount	1,222
U.S. Workers' compensation	3,383	$ 3,570
Retroactive Reinsurance	(1,539)	0
Total reserve discount	1,844	3,570
Current accident year	114	177	$ 182
Accretion and other adjustments to prior year discount	(230)	351	(336)
Effect of interest rate changes	(71)	(106)	225
Net reserve discount (benefit) charge	(187)	422	71
Amount transferred to run-off insurance lines	0	0	0
Change in discount on loss reserves ceded under retroactive reinsurance	(1,539)	0	0
Net change in total reserve discount	(1,726)	422	71
U.S Workers' compensation	(1,726)	429	75
Asbestos	0	(7)	(4)
North America Commerical Insurance
Discounting of Reserves [Line Items]
U.S. Workers' compensation	2,465	2,583
Retroactive Reinsurance	(1,539)	0
Total reserve discount	926	2,583
Current accident year	114	177	182
Accretion and other adjustments to prior year discount	(186)	287	(262)
Effect of interest rate changes	(46)	(58)	148
Net reserve discount (benefit) charge	(118)	406	68
Amount transferred to run-off insurance lines	0	0	(39)
Change in discount on loss reserves ceded under retroactive reinsurance	(1,539)	0	0
Net change in total reserve discount	(1,657)	406	29
U.S Workers' compensation	(1,657)	406	29
Asbestos	0	0	0
Legacy General Insrance Run-Off Lines
Discounting of Reserves [Line Items]
U.S. Workers' compensation	918	987
Retroactive Reinsurance	0	0
Total reserve discount	918	987
Current accident year	0	0	0
Accretion and other adjustments to prior year discount	(44)	64	(74)
Effect of interest rate changes	(25)	(48)	77
Net reserve discount (benefit) charge	(69)	16	3
Amount transferred to run-off insurance lines	0	0	39
Change in discount on loss reserves ceded under retroactive reinsurance	0	0	0
Net change in total reserve discount	(69)	16	42
U.S Workers' compensation	(69)	23	46
Asbestos	$ 0	(7)	$ (4)
New York
Discounting of Reserves [Line Items]
Nontabular discount rate	5.00%
Pennsylvania \| Accident Year 2001 And prior
Discounting of Reserves [Line Items]
Nontabular discount rate	6.00%
United Kingdom
Discounting of Reserves [Line Items]
Total reserve discount	$ 173	181
Net change in total reserve discount	$ 8	$ 20

Represents the change in Asbestos discount.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Represents the increase (decrease) in discount of loss reserves.

+ References

No definition available.

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- Definition

Represents the increase (decrease) in discount of loss reserves due to reinsurance transaction.

+ References

No definition available.

+ Details

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- Definition

Represents the increase (decrease) in discount of loss reserves attributable to current accident year loss reserve activities.

+ References

No definition available.

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- Definition

Represents the increase (decrease) in discount of loss reserves attributable to change in interest rate

+ References

No definition available.

+ Details

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- Definition

Represents the increase (decrease) in discount of loss reserves attributable to prior year year loss reserve development and payout pattern

+ References

No definition available.

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- Definition

Represents the discount of loss reserves to present value for claims that won't be paid for an extended period of time.

+ References

No definition available.

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- Definition

Represents the net change in discount of loss reserves.

+ References

No definition available.

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- Definition

Retroactive Reinsurance Discount

+ References

No definition available.

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- Definition

Represents the change in workers' compensation discount.

+ References

No definition available.

+ Details

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- Definition

Current year monetary amount of the change in worker's compensation non tabular reserve liability resulting from the discount applied to reduce the reserve to present value.

+ References

No definition available.

+ Details

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- Definition

Current year monetary amount of the change in worker's compensation tabular reserve liability resulting from the discount applied to reduce the reserve to present value.

+ References

No definition available.

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- Definition

For non tabular calculations of the workers compensation reserve, the percent discount applied to worker's compensation reserve liability to reduce the reserve to present value.

+ References

No definition available.

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- Definition

For tabular calculations of the workers compensation reserve, the percent discount applied to worker's compensation reserve liability to reduce the reserve to present value.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in insurance liabilities classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

Current year monetary amount of the change in worker's compensation reserve liability resulting from the discount applied to reduce the reserve to present value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.(a),13(b))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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