Fair Value of Equity Method Investment Under Fair Value Option

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- Definition

Unrealized gain (loss) on equity method investments under fair value option

+ References

No definition available.

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- Definition

Amount of unrealized gain (loss) on investment in debt and equity securities.

+ References

No definition available.

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

Fair value of obligations incurred from short sales.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35711043&loc=d3e42429-110968

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(h))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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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

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Investments and Related Matters Investment Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Schedule of Investments [Line Items]
Investments	$ 8,337	$ 10,015
Securities sold, not yet purchased, at fair value	468	1,023
Investment Segment
Schedule of Investments [Line Items]
Investments	6,867	9,532
Securities sold, not yet purchased, at fair value	468	1,023
Portion of unrealized (losses) gains that relates to equity and debt securities still held	(800)	1,413	$ 340
Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	6,686	9,377
Securities sold, not yet purchased, at fair value	468	988
Investment Segment \| Debt securities
Schedule of Investments [Line Items]
Investments	181	155
Basic materials \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	414	1,170
Consumer, non-cyclical \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	2,161	2,551
Securities sold, not yet purchased, at fair value	57	101
Consumer, cyclical \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	1,161	777
Securities sold, not yet purchased, at fair value	106	667
Consumer, cyclical \| Investment Segment \| Debt securities
Schedule of Investments [Line Items]
Securities sold, not yet purchased, at fair value	0	35
Energy \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	1,598	1,489
Securities sold, not yet purchased, at fair value	305	110
Financial \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	167	2,185
Industrial \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Securities sold, not yet purchased, at fair value	0	110
Technology \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	1,040	833
Other sectors \| Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	$ 145	372
Herbalife \| Investment Segment
Schedule of Investments [Line Items]
Ownership percentage in equity method investment	18.10%
Unrealized gain on equity method investments under fair value option	$ 864	357	(113)
Fair value of equity method investment under fair value option	$ 1,700	1,200
Hertz \| Investment Segment
Schedule of Investments [Line Items]
Ownership percentage in equity method investment	27.90%
Unrealized gain on equity method investments under fair value option	$ (197)	13	$ (389)
Fair value of equity method investment under fair value option	$ 320	$ 517