v3.26.1
Expense Example
Dec. 31, 2025
USD ($)
Allspring Variable Trust - Class 1 | VT Discovery All Cap Growth Fund | 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 77
Expense Example, with Redemption, 3 Years 248
Expense Example, with Redemption, 5 Years 435
Expense Example, with Redemption, 10 Years 974
Allspring Variable Trust - Class 1 | VT Opportunity Fund | 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 257
Expense Example, with Redemption, 5 Years 453
Expense Example, with Redemption, 10 Years 1,018
Allspring Variable Trust - Class 1 | VT Small Cap Growth Fund | 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 290
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years 1,120
Allspring Variable Trust - Class 2 | VT Discovery All Cap Growth Fund | 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 327
Expense Example, with Redemption, 5 Years 570
Expense Example, with Redemption, 10 Years 1,267
Allspring Variable Trust - Class 2 | VT Opportunity Fund | 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 336
Expense Example, with Redemption, 5 Years 588
Expense Example, with Redemption, 10 Years 1,310
Allspring Variable Trust - Class 2 | VT Small Cap Growth Fund | 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 368
Expense Example, with Redemption, 5 Years 638
Expense Example, with Redemption, 10 Years 1,409
Allspring Variable Trust - Class 2 | VT Discovery SMID Cap Growth Fund | 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 115
Expense Example, with Redemption, 3 Years 359
Expense Example, with Redemption, 5 Years 622
Expense Example, with Redemption, 10 Years 1,375
Allspring Variable Trust - Class 2 | VT Index Asset Allocation Fund | 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 344
Expense Example, with Redemption, 5 Years 605
Expense Example, with Redemption, 10 Years $ 1,352