PSF PGIM 50 50 Balanced Portfolio Expense Example, No Redemption - PSF PGIM 50 50 Balanced Portfolio	Dec. 31, 2025 USD ($)
Class I
Prospectus [Line Items]
Expense Example, No Redemption, 1 Year	$ 59
Expense Example, No Redemption, 3 Years	186
Expense Example, No Redemption, 5 Years	324
Expense Example, No Redemption, 10 Years	726
Class III
Prospectus [Line Items]
Expense Example, No Redemption, 1 Year	85
Expense Example, No Redemption, 3 Years	265
Expense Example, No Redemption, 5 Years	460
Expense Example, No Redemption, 10 Years	$ 1,025