v3.25.2
N-4
Jul. 31, 2025
Prospectus:  
Document Type N-4
Entity Registrant Name NATIONWIDE VARIABLE ACCOUNT 4
Entity Central Index Key 0000843075
Entity Investment Company Type N-4
Document Period End Date Jul. 31, 2025
Amendment Flag false
JP Morgan Multi-Asset Choice New York  
Prospectus:  
Item 17. Portfolio Companies (N-4) [Text Block] The following underlying mutual fund is offered as an investment option under the contract or policy. Effective August 22, 2025, the name of the investment option is updated as indicated below:
CURRENT NAME
UPDATED NAME
Invesco Oppenheimer V.I. International Growth Fund: Series I
Invesco V.I. International Growth Fund: Series I
JP Morgan Multi-Asset Choice New York | InvescoVIInternationalGrowthFundSeriesIMember  
Prospectus:  
Portfolio Company Name [Text Block] Invesco V.I. International Growth Fund: Series I
JP Morgan Multi-Asset Choice  
Prospectus:  
Item 17. Portfolio Companies (N-4) [Text Block] The following underlying mutual fund is offered as an investment option under the contract or policy. Effective August 22, 2025, the name of the investment option is updated as indicated below:
CURRENT NAME
UPDATED NAME
Invesco Oppenheimer V.I. International Growth Fund: Series I
Invesco V.I. International Growth Fund: Series I
JP Morgan Multi-Asset Choice | InvescoVIInternationalGrowthFundSeriesIMember  
Prospectus:  
Portfolio Company Name [Text Block] Invesco V.I. International Growth Fund: Series I