v3.26.1
DWS Small Mid Cap Growth VIP Average Annual Total Returns - Class A [Member]
12 Months Ended 60 Months Ended 120 Months Ended
Apr. 24, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Russell 3000® Index (reflects no deduction for fees, expenses or taxes)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Russell 2500™ Growth Index (reflects no deduction for fees, expenses or taxes)[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   10.31% 2.98% 10.55%
Class A | Return Before Taxes[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   8.11% 2.05% 7.34%
Performance Inception Date May 02, 1994