Expense Example, No Redemption {- Investment Grade Bond II Portfolio} - NF_02.28 VIP Investment Grade Bond II Portfolio Investor PRO-01 - Investment Grade Bond II Portfolio - Investor Class	May 26, 2022 USD ($)
Expense Example, No Redemption:
1 Year	$ 46
3 Years	$ 144

You would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Subsection example
-Paragraph 2
-Subparagraph 1

Name:	rr_ExpenseExampleNoRedemptionYear01
Namespace Prefix:	rr_
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration