Annual Fund Operating Expenses |
Dec. 31, 2024 |
|||||||
---|---|---|---|---|---|---|---|---|
NVIT Fidelity Institutional AM Emerging Markets Fund | ||||||||
Prospectus [Line Items] | ||||||||
Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||
NVIT Fidelity Institutional AM Emerging Markets Fund | Class Y Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.95% | |||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||
Other Expenses (as a percentage of Assets): | 0.16% | |||||||
Expenses (as a percentage of Assets) | 1.11% | |||||||
Fee Waiver or Reimbursement | (0.14%) | [1] | ||||||
Net Expenses (as a percentage of Assets) | 0.97% | |||||||
NVIT Fidelity Institutional AM Emerging Markets Fund | Class D Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.95% | |||||||
Distribution and Service (12b-1) Fees | 0.25% | |||||||
Other Expenses (as a percentage of Assets): | 0.36% | |||||||
Expenses (as a percentage of Assets) | 1.56% | |||||||
Fee Waiver or Reimbursement | (0.14%) | [1] | ||||||
Net Expenses (as a percentage of Assets) | 1.42% | |||||||
NVIT Fidelity Institutional AM Emerging Markets Fund | Class I Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.95% | |||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||
Other Expenses (as a percentage of Assets): | 0.31% | |||||||
Expenses (as a percentage of Assets) | 1.26% | |||||||
Fee Waiver or Reimbursement | (0.14%) | [1] | ||||||
Net Expenses (as a percentage of Assets) | 1.12% | |||||||
NVIT Fidelity Institutional AM Emerging Markets Fund | Class II Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.95% | |||||||
Distribution and Service (12b-1) Fees | 0.25% | |||||||
Other Expenses (as a percentage of Assets): | 0.31% | |||||||
Expenses (as a percentage of Assets) | 1.51% | |||||||
Fee Waiver or Reimbursement | (0.14%) | [1] | ||||||
Net Expenses (as a percentage of Assets) | 1.37% | |||||||
NVIT Putnam International Value Fund | ||||||||
Prospectus [Line Items] | ||||||||
Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||
NVIT Putnam International Value Fund | Class Y Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.73% | [2] | ||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||
Other Expenses (as a percentage of Assets): | 0.09% | |||||||
Acquired Fund Fees and Expenses | 0.02% | |||||||
Expenses (as a percentage of Assets) | 0.84% | |||||||
Fee Waiver or Reimbursement | (0.04%) | [3] | ||||||
Net Expenses (as a percentage of Assets) | 0.80% | |||||||
NVIT Putnam International Value Fund | Class Z Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.73% | [2] | ||||||
Distribution and Service (12b-1) Fees | 0.25% | |||||||
Other Expenses (as a percentage of Assets): | 0.10% | |||||||
Acquired Fund Fees and Expenses | 0.02% | |||||||
Expenses (as a percentage of Assets) | 1.10% | |||||||
Fee Waiver or Reimbursement | (0.04%) | [3] | ||||||
Net Expenses (as a percentage of Assets) | 1.06% | |||||||
NVIT Putnam International Value Fund | Class X Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.73% | [2] | ||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||
Other Expenses (as a percentage of Assets): | 0.10% | |||||||
Acquired Fund Fees and Expenses | 0.02% | |||||||
Expenses (as a percentage of Assets) | 0.85% | |||||||
Fee Waiver or Reimbursement | (0.04%) | [3] | ||||||
Net Expenses (as a percentage of Assets) | 0.81% | |||||||
NVIT Putnam International Value Fund | Class I Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.73% | [2] | ||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||
Other Expenses (as a percentage of Assets): | 0.24% | |||||||
Acquired Fund Fees and Expenses | 0.02% | |||||||
Expenses (as a percentage of Assets) | 0.99% | |||||||
Fee Waiver or Reimbursement | (0.04%) | [3] | ||||||
Net Expenses (as a percentage of Assets) | 0.95% | |||||||
NVIT Putnam International Value Fund | Class II Shares | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 0.73% | [2] | ||||||
Distribution and Service (12b-1) Fees | 0.25% | |||||||
Other Expenses (as a percentage of Assets): | 0.24% | |||||||
Acquired Fund Fees and Expenses | 0.02% | |||||||
Expenses (as a percentage of Assets) | 1.24% | |||||||
Fee Waiver or Reimbursement | (0.04%) | [3] | ||||||
Net Expenses (as a percentage of Assets) | 1.20% | |||||||
|