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Fair Value Measurements Investment Fair Value (Details) - USD ($) $ in Millions | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Investments [Abstract] |  |  |
Investments |  | $ 14,466 | $ 14,500
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 977 | 337
Investment Segment [Member] |  |  |
Investments [Abstract] |  |  |
Investments |  | 13,952 | 13,961
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 977 | 337
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] |  |  |
Investments [Abstract] |  |  |
Investments |  | 13,952 | 13,961
Derivative contracts, at fair value (asset) | [1] | 144 | 3
Assets, Fair Value Disclosure |  | 14,096 | 13,964
Marketable Securities, Equity Securities [Abstract] |  |  |
Derivative contracts at fair value (liability) | [2] | 641 | 614
Mortgage-backed securities: [Abstract] |  |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 1,618 | 951
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 974 | 334
Trading Securities |  | 13,692 | 13,659
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Basic Materials [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 13 | 0
Trading Securities |  | 95 | 0
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Communications [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 2,698 | 2,846
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 2,573 | 2,308
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 908 | 334
Trading Securities |  | 295 | 436
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Diversified [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 24 | 23
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 1,076 | 1,895
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 213 | 417
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 53 | 0
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Industrial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 233 | 99
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Technology [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 6,485 | 5,635
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 94 | 129
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 62 | 75
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 3 | 19
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 5 | 7
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Utilities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 24 | 28
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 166 | 173
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 977 | 337
Investment Segment [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 3 | 3
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |
Investments [Abstract] |  |  |
Investments |  | 13,552 | 13,639
Derivative contracts, at fair value (asset) | [1] | 0 | 0
Assets, Fair Value Disclosure |  | 13,552 | 13,639
Marketable Securities, Equity Securities [Abstract] |  |  |
Derivative contracts at fair value (liability) | [2] | 0 | 0
Mortgage-backed securities: [Abstract] |  |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 948 | 334
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 948 | 334
Trading Securities |  | 13,552 | 13,639
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Basic Materials [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 0 | 0
Trading Securities |  | 65 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Communications [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 2,698 | 2,846
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 2,573 | 2,308
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 908 | 334
Trading Securities |  | 295 | 436
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Diversified [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 24 | 23
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 1,050 | 1,895
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 135 | 417
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 40 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Industrial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 227 | 79
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Technology [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 6,485 | 5,635
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Utilities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 948 | 334
Investment Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [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] |  |  |
Investments [Abstract] |  |  |
Investments |  | 338 | 247
Derivative contracts, at fair value (asset) | [1] | 144 | 3
Assets, Fair Value Disclosure |  | 482 | 250
Marketable Securities, Equity Securities [Abstract] |  |  |
Derivative contracts at fair value (liability) | [2] | 641 | 614
Mortgage-backed securities: [Abstract] |  |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 670 | 617
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 26 | 0
Trading Securities |  | 140 | 20
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Basic Materials [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 13 | 0
Trading Securities |  | 30 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Communications [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 0 | 0
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Diversified [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 26 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 78 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 13 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Industrial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 6 | 20
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Technology [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 32 | 54
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 3 | 19
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 5 | 7
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Utilities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 24 | 28
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 166 | 173
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 29 | 3
Investment Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 3 | 3
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |
Investments [Abstract] |  |  |
Investments |  | 62 | 75
Derivative contracts, at fair value (asset) | [1] | 0 | 0
Assets, Fair Value Disclosure |  | 62 | 75
Marketable Securities, Equity Securities [Abstract] |  |  |
Derivative contracts at fair value (liability) | [2] | 0 | 0
Mortgage-backed securities: [Abstract] |  |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 0 | 0
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Basic Materials [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 0 | 0
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Communications [Member] |  |  |
Marketable Securities, Equity Securities [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] |  |  |
Marketable Securities, Equity Securities [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] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | 0 | 0
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Diversified [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [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] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Technology [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 62 | 75
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Consumer, cyclical [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 62 | 75
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Energy sector [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Utilities [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] | Financial [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Trading Securities |  | 0 | 0
Investment Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Debt Securities [Member] | Consumer, non-cyclical [Member] |  |  |
Marketable Securities, Equity Securities [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] | Debt Securities [Member] | Funds [Member] |  |  |
Marketable Securities, Equity Securities [Abstract] |  |  |
Securities sold, not yet purchased, at fair value |  | $ 0 | $ 0
[1] | Included in other assets in our condensed consolidated balance sheets.
[2] | Included in accrued expenses and other liabilities in our condensed consolidated balance sheets.

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 2: 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 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=35750535&loc=d3e13433-108611 Reference 4: 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 5: 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=35750535&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313 + Details
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