N-4	Jun. 17, 2025
Prospectus:
Document Type	N-4
Entity Registrant Name	FS VARIABLE SEPARATE ACCOUNT
Entity Central Index Key	0000931344
Entity Investment Company Type	N-4
Document Period End Date	Jun. 17, 2025
Amendment Flag	false
Polaris Platinum III (EA) (NY) 333-178841 \| PolarisIncomeMaxOneCoveredPersonMember
Prospectus:
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Polaris Platinum III (EA) (NY) 333-178841 \| PolarisIncomeMaxTwoCoveredPersonsMember
Prospectus:
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Polaris Platinum III (EA) (NY) 333-178841 \| PolarisIncomePlusDailyFlexOneCoveredPersonMember
Prospectus:
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Polaris Platinum III (EA) (NY) 333-178841 \| PolarisIncomePlusDailyFlexTwoCoveredPersonsMember
Prospectus:
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%
Optional Benefit Expense (of Benefit Base), Current [Percent]	1.45%

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