v3.26.1
Empower International Index Fund Expense Example - Empower International Index Fund
Dec. 31, 2025
USD ($)
Institutional  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 24
Expense Example, with Redemption, 3 Years 74
Expense Example, with Redemption, 5 Years 130
Expense Example, with Redemption, 10 Years 293
Investor  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 59
Expense Example, with Redemption, 3 Years 186
Expense Example, with Redemption, 5 Years 324
Expense Example, with Redemption, 10 Years $ 726