Deferred revenue net within contract assets from contracts.

No definition available.

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Namespace Prefix:	ssnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Revenue recognition period.

+ References

No definition available.

+ Details

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- Definition

Revenue remaining performance obligation to be recognized in next twelve months.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

+ Details

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Balance Type:	credit
Period Type:	duration

- 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

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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Revenues - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Deferred Revenue Arrangement [Line Items]
Deferred revenue presented net within contract assets arising from contract	$ 44.6		$ 51.8
Deferred revenue recognized	108.0	$ 99.9
Revenue expected to be recognized from remaining performance obligations	623.0
Revenue expected to be recognized from remaining performance obligations in next twelve months	$ 343.0
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