Expense Example, No Redemption - Pioneer Select Mid Cap Growth VCT Portfolio	May 01, 2021 USD ($)
Class II
Expense Example, No Redemption:
Expense Example, No Redemption, 1 Year	$ 116
Expense Example, No Redemption, 3 Years	362
Expense Example, No Redemption, 5 Years	628
Expense Example, No Redemption, 10 Years	1,386
Class I
Expense Example, No Redemption:
Expense Example, No Redemption, 1 Year	91
Expense Example, No Redemption, 3 Years	284
Expense Example, No Redemption, 5 Years	493
Expense Example, No Redemption, 10 Years	$ 1,096