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Clearing Operations (Schedule of Clearing Member Default Fund Contributions And Margin Deposits) (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Clearing Operations [Line Items] |  |
Default fund contributions | $ 869 |
Margin deposits | 13,033 |
Total | 13,902 |
Cash Contributions |  |
Clearing Operations [Line Items] |  |
Default fund contributions | 736 |
Margin deposits | 5,834 |
Total | 6,570 | $ 5,911
Non-Cash Contributions |  |
Clearing Operations [Line Items] |  |
Default fund contributions | 133 |
Margin deposits | 7,199 |
Total | $ 7,332 |

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- Definition Default fund Contributions. + References No definition available. + Details
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- Definition Default fund contributions and margin deposits + References No definition available. + Details
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- Details
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