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Organization and Nature of Operations (Details) (USD $)
In Trillions, unless otherwise specified |
3 Months Ended |
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Mar. 31, 2013
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segment
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| Organization And Basis Of Presentation [Line Items] | |
| Operations in number of continents | 6 |
| Total number of U.S. listed companies | 2,568 |
| Approximate combined market capitalization, U.S. | $ 5.6 |
| Total number of listed companies within Nordic and Baltic exchanges | 752 |
| Approximate combined market capitalization | $ 1.1 |
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- Definition
Approximate Combined Market Capitalization No definition available.
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- Definition
Approximate Combined Market Capitalization United States. No definition available.
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- Definition
Operations In Six Continents No definition available.
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- Details
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Total Number of Listed Companies within Nordic and Baltic Exchanges No definition available.
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- Definition
Total Number Of U.S. companies listed on The NASDAQ Stock Market. No definition available.
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