v2.4.0.8

Commitments, Contingencies and Guarantees (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended |
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Commitments and Contingencies Disclosure [Line Items] |  |
Financial guarantees obtained | $ 18 | $ 7
Margin deposits contributed to Cantor Fitzgerald | 19 |
Other guarantees |  | 18
Voluntary accommodation program | 62 |
Clearinghouse Credit Facilities [Member] |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Credit facilities, total | 313 | 310
Line of credit facility, available liquidity | 220 | 217
Credit facility, regulatory requirements amount | 93 | 93
Line of credit, outstanding amount | 0 | 0
Escrow Agreement [Member] |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Contingency, accrual | 12 |
Property Lease Guarantee [Member] |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Other guarantees | 15 |
Performance guarantees [Member] |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Other guarantees | 2 | 5
SEC Reserve Matter [Member] |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Contingency, accrual | $ 10 |

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- Definition Credit Facility Available Liquidity + References No definition available. + Details
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- Definition Credit Facility Satisfy Regulatory Requirements + References No definition available. + Details
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- Definition Financial guarantees obtained to provide further liquidity and default protection related to clearing businesess + References No definition available. + Details
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- Definition Other Guarantees + References No definition available. + Details
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- Definition Proposed voluntary customer accommodation program subject to review by the Securities and Exchange Commission, related to system issues which have subsequently been remedied. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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- Definition Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6475717&loc=d3e41645-110958 + Details
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