v3.26.1
Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Allspring Variable Trust - Class 1 | VT Discovery All Cap Growth Fund | Russell 3000 Growth Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   18.15% 14.59% 17.59%
Allspring Variable Trust - Class 1 | VT Discovery All Cap Growth Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 1 | VT Discovery All Cap Growth Fund | 1        
Prospectus [Line Items]        
Average Annual Return, Percent   15.53% 6.31% 13.84%
Performance Inception Date Mar. 06, 1997      
Allspring Variable Trust - Class 1 | VT Opportunity Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 1 | VT Opportunity Fund | 1        
Prospectus [Line Items]        
Average Annual Return, Percent   7.00% 9.22% 12.13%
Performance Inception Date Aug. 26, 2011      
Allspring Variable Trust - Class 1 | VT Small Cap Growth Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 1 | VT Small Cap Growth Fund | Russell 2000® Growth Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   13.01% 3.18% 9.57%
Allspring Variable Trust - Class 1 | VT Small Cap Growth Fund | 1        
Prospectus [Line Items]        
Average Annual Return, Percent   9.55% (0.70%) 10.22%
Performance Inception Date Jul. 16, 2010      
Allspring Variable Trust - Class 2 | VT Discovery All Cap Growth Fund | Russell 3000 Growth Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   18.15% 14.59% 17.59%
Allspring Variable Trust - Class 2 | VT Discovery All Cap Growth Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 2 | VT Discovery All Cap Growth Fund | 2        
Prospectus [Line Items]        
Average Annual Return, Percent   15.27% 6.04% 13.57%
Performance Inception Date Jul. 31, 2002      
Allspring Variable Trust - Class 2 | VT Opportunity Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 2 | VT Opportunity Fund | 2        
Prospectus [Line Items]        
Average Annual Return, Percent   6.71% 8.94% 11.85%
Performance Inception Date May 08, 1992      
Allspring Variable Trust - Class 2 | VT Small Cap Growth Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 2 | VT Small Cap Growth Fund | Russell 2000® Growth Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   13.01% 3.18% 9.57%
Allspring Variable Trust - Class 2 | VT Small Cap Growth Fund | 2        
Prospectus [Line Items]        
Average Annual Return, Percent   9.25% (0.96%) 9.94%
Performance Inception Date May 01, 1995      
Allspring Variable Trust - Class 2 | VT Discovery SMID Cap Growth Fund | Russell 2500™ Growth Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   10.31% 2.98% 10.55%
Allspring Variable Trust - Class 2 | VT Discovery SMID Cap Growth Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 2 | VT Discovery SMID Cap Growth Fund | 2        
Prospectus [Line Items]        
Average Annual Return, Percent   5.39% (2.46%) 9.94%
Performance Inception Date May 08, 1992      
Allspring Variable Trust - Class 2 | VT Index Asset Allocation Fund | Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   17.15% 13.15% 14.29%
Allspring Variable Trust - Class 2 | VT Index Asset Allocation Fund | Index Asset Allocation Blended Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   13.30% 8.22% 9.55%
Allspring Variable Trust - Class 2 | VT Index Asset Allocation Fund | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   7.30% (0.36%) 2.01%
Allspring Variable Trust - Class 2 | VT Index Asset Allocation Fund | 2        
Prospectus [Line Items]        
Average Annual Return, Percent   11.48% 7.54% 8.99%
Performance Inception Date Apr. 15, 1994      
[1]
1. Source:  Allspring Funds Management, LLC. The Index Asset Allocation Blended Index is composed 60% of the S&P 500 Index and 40% of the Bloomberg U.S. Treasury Index. Prior to April 1, 2015, the Index Asset Allocation Blended Index was composed 60% of the S&P 500 Index and 40% of the Bloomberg U.S. Treasury 20+ Year Index. You cannot invest directly in an index.