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
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.