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Revenues - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Deferred Revenue Arrangement [Line Items] |  |
Deferred revenue presented net within contract assets arising from contract |  | $ 72.0
Minimum [Member] | Software-enabled Services [Member] |  |
Deferred Revenue Arrangement [Line Items] |  |
Revenue recognition period | 1 year |
Maximum [Member] | Software-enabled Services [Member] |  |
Deferred Revenue Arrangement [Line Items] |  |
Revenue recognition period | 5 years |

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- Definition Deferred revenue net within contract assets from contracts. + References No definition available. + Details
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Namespace Prefix: | ssnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Revenue recognition period. + References No definition available. + Details
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Namespace Prefix: | ssnc_
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
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=ssnc_SoftwareEnabledServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |