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v3.22.4

Intangible Assets and Goodwill Intangible Assets and Goodwill (Useful Lives of Intangible Assets) (Details) | 12 Months Ended
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Dec. 31, 2022
Minimum [Member] | Clearing Firm, Market Data, and Other Customer Relationships [Member] |
Finite-Lived Intangible Assets [Line Items] |
Useful life, minimum | 5 years
Minimum [Member] | Technology-Related Intellectual Property [Member] |
Finite-Lived Intangible Assets [Line Items] |
Useful life, minimum | 5 years
Minimum [Member] | Other Intangible Assets [Member] |
Finite-Lived Intangible Assets [Line Items] |
Useful life, minimum | 3 years
Maximum [Member] | Clearing Firm, Market Data, and Other Customer Relationships [Member] |
Finite-Lived Intangible Assets [Line Items] |
Useful life, minimum | 30 years
Maximum [Member] | Technology-Related Intellectual Property [Member] |
Finite-Lived Intangible Assets [Line Items] |
Useful life, minimum | 9 years
Maximum [Member] | Other Intangible Assets [Member] |
Finite-Lived Intangible Assets [Line Items] |
Useful life, minimum | 24 years 6 months

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |