Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
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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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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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COMMITMENTS AND CONTINGENT LIABILITIES (Guarantees) (Table and Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Guarantor Obligations [Line Items]
Maximum future payments	$ 5,663	$ 6,043
Recorded liability	184	220
Long-term debt	$ 20,517	$ 21,091
Sadara [Member]
Guarantor Obligations [Line Items]
Ownership interest	35.00%	35.00%	35.00%
Performance Guarantee [Member]
Guarantor Obligations [Line Items]
Maximum future payments	$ 4,774	$ 5,096
Recorded liability	49	86
Performance Guarantee [Member] \| Sadara [Member]
Guarantor Obligations [Line Items]
Maximum future payments	4,400
Residual Value Guarantees [Member]
Guarantor Obligations [Line Items]
Maximum future payments	889	947
Recorded liability	135	134
Sadara [Member] \| Total Project Financing [Member]
Guarantor Obligations [Line Items]
Principal amount	12,500
Long-term debt	$ 12,400	$ 12,400