SHARE-BASED AND OTHER COMPENSATION PLANS (Details - Cash-settled Awards) $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($) item shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash paid to settle awards	$ 141	$ 105	$ 147
Compensation expense	353	237	365
Long Term Incentive Plans 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 0	19	57
Percentage of outstanding awards that will vest once the service requirements are satisfied	100.00%
Contingent performance measurement period	2 years
Long Term Incentive Plans 2012 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent performance target amount \| item	2
Contingent performance cash portion maximum period	2 years
Long Term Incentive Plans 2012 [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent performance target amount \| item	0
Stock Salary Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash paid to settle awards	$ 29	101	155
Compensation expense	$ 0	$ 2	$ 7
Number of vested but unsettled RSUs \| shares	0
SARs \| Long Term Incentive Plans 2012 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent performance cash portion maximum period	2 years

Represents the maximum graded vesting schedule of cash portion of the awards.

No definition available.

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- Definition

Represents the range of the ultimate value of awards measured on the basis of the amount of contingent performance measures.

+ References

No definition available.

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- Definition

Represents the contingent performance measurement period to receive additional compensation in the form of cash and stock appreciation rights.

+ References

No definition available.

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- Definition

Represents the percentage of non-vested equity-based payment instruments, excluding stock (or unit) options that validly exist and are outstanding that is expected to vest on satisfaction of the service condition.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (k)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ Details

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