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Fair Value Measurements Investment Fair Value (Details) (USD $)
In Millions, unless otherwise specified

Jun. 30, 2012

Dec. 31, 2011

Investments [Abstract]

Investments

$ 5,386

$ 8,938

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

548

4,476

Investment Segment [Member]

Investments [Abstract]

Investments

4,982

8,448

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

548

4,476

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]

Investments [Abstract]

Investments

3,648

7,119

Derivative contracts, Assets at fair value

0

^[1]

0

^[1]

Assets, Fair Value Disclosure

3,648

7,119

Securities sold, not yet purchased, at fair value: [Abstract]

Derivative contracts, Liabilities at fair value

0

^[2]

0

^[2]

Liabilities, Fair Value

340

4,466

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member]

Investments [Abstract]

Trading securities

3,648

7,119

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

340

4,466

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Basic materials [Member]

Investments [Abstract]

Trading securities

81

128

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Communications [Member]

Investments [Abstract]

Trading securities

318

2,593

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, non-cyclical [Member]

Investments [Abstract]

Trading securities

1,523

1,778

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

371

376

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

294

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Energy Segment [Member]

Investments [Abstract]

Trading securities

824

1,644

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

46

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

228

263

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Funds [Member]

Investments [Abstract]

Trading securities

0

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

4,466

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Industrial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Technology [Member]

Investments [Abstract]

Trading securities

253

254

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

50

83

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Communications [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Financial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Sovereign debt [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]

Investments [Abstract]

Investments

1,047

1,040

Derivative contracts, Assets at fair value

0

^[1]

3

^[1]

Assets, Fair Value Disclosure

1,047

1,043

Securities sold, not yet purchased, at fair value: [Abstract]

Derivative contracts, Liabilities at fair value

92

^[2]

42

^[2]

Liabilities, Fair Value

300

52

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member]

Investments [Abstract]

Trading securities

759

486

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

208

10

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Basic materials [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Communications [Member]

Investments [Abstract]

Trading securities

13

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, non-cyclical [Member]

Investments [Abstract]

Trading securities

0

26

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

433

378

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Energy Segment [Member]

Investments [Abstract]

Trading securities

57

29

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Funds [Member]

Investments [Abstract]

Trading securities

216

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

208

10

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Industrial [Member]

Investments [Abstract]

Trading securities

0

32

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Technology [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

40

21

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member]

Investments [Abstract]

Trading securities

124

387

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Communications [Member]

Investments [Abstract]

Trading securities

0

84

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

0

150

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Financial [Member]

Investments [Abstract]

Trading securities

94

109

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Sovereign debt [Member]

Investments [Abstract]

Trading securities

3

10

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

27

34

Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

164

167

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]

Investments [Abstract]

Investments

287

289

Derivative contracts, Assets at fair value

0

^[1]

0

^[1]

Assets, Fair Value Disclosure

287

289

Securities sold, not yet purchased, at fair value: [Abstract]

Derivative contracts, Liabilities at fair value

0

^[2]

0

^[2]

Liabilities, Fair Value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member]

Investments [Abstract]

Trading securities

0

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Basic materials [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Communications [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, non-cyclical [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

0

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Energy Segment [Member]

Investments [Abstract]

Trading securities

0

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Funds [Member]

Investments [Abstract]

Trading securities

0

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Industrial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Technology [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member]

Investments [Abstract]

Trading securities

287

289

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Communications [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

287

289

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Financial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Sovereign debt [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

0

0

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member]

Investments [Abstract]

Investments

4,982

8,448

Derivative contracts, Assets at fair value

0

^[1]

3

^[1]

Assets, Fair Value Disclosure

4,982

8,451

Securities sold, not yet purchased, at fair value: [Abstract]

Derivative contracts, Liabilities at fair value

92

^[2]

42

^[2]

Liabilities, Fair Value

640

4,518

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member]

Investments [Abstract]

Trading securities

4,407

7,605

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

548

4,476

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Basic materials [Member]

Investments [Abstract]

Trading securities

81

128

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Communications [Member]

Investments [Abstract]

Trading securities

331

2,593

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, non-cyclical [Member]

Investments [Abstract]

Trading securities

1,523

1,804

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

804

754

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

294

0

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Energy Segment [Member]

Investments [Abstract]

Trading securities

881

1,673

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

46

0

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

228

263

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Funds [Member]

Investments [Abstract]

Trading securities

216

0

Securities sold, not yet purchased, at fair value: [Abstract]

Securities sold, not yet purchased, at fair value

208

4,476

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Industrial [Member]

Investments [Abstract]

Trading securities

0

32

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Technology [Member]

Investments [Abstract]

Trading securities

253

254

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

90

104

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member]

Investments [Abstract]

Trading securities

411

676

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Communications [Member]

Investments [Abstract]

Trading securities

0

84

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Consumer, cyclical [Member]

Investments [Abstract]

Trading securities

287

439

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Financial [Member]

Investments [Abstract]

Trading securities

94

109

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Sovereign debt [Member]

Investments [Abstract]

Trading securities

3

10

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Corporate debt [Member] | Utilities [Member]

Investments [Abstract]

Trading securities

27

34

Investment Segment [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-backed securities [Member] | Financial [Member]

Investments [Abstract]

Trading securities

$ 164

$ 167

[1]	Included in other assets in our consolidated balance sheets.
[2]	Included in accrued expenses and other liabilities in our consolidated balance sheets.

X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FIN39-1

-Paragraph 10A, 10B

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 4, 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

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-Publisher FASB

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-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611

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- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FIN39-1

-Paragraph 10A, 10B

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 4, 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-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



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph h

-Article 7

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X

- Definition

This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents securities sold but not yet purchased, that is, sold short, which leads to a liability for the obligation to purchase said securities at a future date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 25

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6957929&loc=d3e63862-112815



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-BRD

-Paragraph 38, 39

-IssueDate 2006-05-01

-Chapter 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_SecuritiesSoldNotYetPurchasedFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Trading Securities which consist of all investments in certain debt and equity securities that are bought and held principally for the purpose of selling them in the near term (thus held for only a short period of time) or for which an entity has elected the fair value option. Trading generally reflects active and frequent buying and selling, and trading securities are generally used with the objective of generating profits on short-term differences in price, but this category of investments may also include items which are not intended to be sold in the near term or for which the fair value option has been elected.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7534914&loc=d3e22054-111558



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 12

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Trading Securities

-URI http://asc.fasb.org/extlink&oid=6526789

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant