FAIR VALUE MEASUREMENTS (Details - Gains or losses recorded related to the eligible instruments for which we elected the fair value option) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Options Changes in Fair Value Gain (loss)	$ 241	$ 512	$ 444	$ 1,027
Fair value option credit risk gains (losses) on liabilities	(1)	(3)	1	0
Fair Value Option \| Long-term debt
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Options Changes in Fair Value Gain (loss)	16	(33)	68	(48)
Fair Value Option \| Other liabilities
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Options Changes in Fair Value Gain (loss)	0	(1)	0	(1)
Fair Value Option \| Bond and equity securities
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Options Changes in Fair Value Gain (loss)	129	450	152	799
Fair Value Option \| Alternative investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Options Changes in Fair Value Gain (loss)	96	96	224	277
Fair Value Option \| Other, Including Short Term Investments
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value Options Changes in Fair Value Gain (loss)	$ 0	$ 0	$ 0	$ 0

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612

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This item represents the estimated amount of gains and losses from fair value changes included in earnings that are attributable to changes in the instrument-specific credit risk of liabilities with fair values that have been significantly affected during the reporting period by changes in the instrument-specific credit risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612

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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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