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

No definition available.

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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)
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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=120400017&loc=d3e572229-122910

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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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Investments - Investment Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Schedule of Investments [Line Items]
Investments	$ 5,812		$ 5,812		$ 9,151
Securities sold, not yet purchased, at fair value	4,062		4,062		5,340
Investment Segment
Schedule of Investments [Line Items]
Investments	5,720		5,720		8,952
Securities sold, not yet purchased, at fair value	4,062		4,062		5,340
Portion of unrealized (losses) gains that relates to equity and debt securities still held	(894)	$ 491	(694)	$ 1,593
Investment Segment \| Equity securities
Schedule of Investments [Line Items]
Investments	5,683		5,683		8,838
Investment Segment \| Corporate debt securities
Schedule of Investments [Line Items]
Investments	37		37		114
Investment Segment \| Communication
Schedule of Investments [Line Items]
Investments	357		357		352
Investment Segment \| Consumer, cyclical
Schedule of Investments [Line Items]
Investments	831		831		1,281
Securities sold, not yet purchased, at fair value	401		401		848
Investment Segment \| Energy
Schedule of Investments [Line Items]
Investments	1,387		1,387		3,184
Securities sold, not yet purchased, at fair value	1,901		1,901		2,028
Investment Segment \| Utilities
Schedule of Investments [Line Items]
Investments	1,173		1,173		992
Securities sold, not yet purchased, at fair value	852		852		659
Investment Segment \| Healthcares
Schedule of Investments [Line Items]
Investments	392		392		1,009
Securities sold, not yet purchased, at fair value	400		400		1,049
Investment Segment \| Technology
Schedule of Investments [Line Items]
Investments	736		736		931
Investment Segment \| Materials
Schedule of Investments [Line Items]
Investments	179		179		194
Securities sold, not yet purchased, at fair value	254		254		365
Investment Segment \| Industrial
Schedule of Investments [Line Items]
Investments	628		628		895
Securities sold, not yet purchased, at fair value	$ 254		$ 254		$ 391