v2.4.0.8

Clearing Operations (Schedule of Clearing Member Default Fund Contributions And Margin Deposits) (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2014
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Clearing Operations [Line Items] |  |
Default fund contributions | $ 392 |
Margin deposits | 9,484 |
Default fund contributions and margin deposits | 9,876 |
Cash Contributions [Member] |  |
Clearing Operations [Line Items] |  |
Default fund contributions | 264 | [1],[2]
Margin deposits | 1,989 | [1],[2]
Default fund contributions and margin deposits | 2,253 | [1],[2]
Non-Cash Contributions [Member] |  |
Clearing Operations [Line Items] |  |
Default fund contributions | 128 |
Margin deposits | 7,495 |
Default fund contributions and margin deposits | $ 7,623 |
[1] | As of March 31, 2014, in accordance with its investment policy, NASDAQ OMX Nordic Clearing has invested cash contributions of $1,501 million in reverse repurchase agreements and $710 million in highly rated government debt securities
[2] | Pursuant to clearing member agreements, we pay interest on cash contributions to clearing members.

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