v3.26.1
Empower International Growth Fund Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Index (reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 31.22% 8.92% 8.18%
MSCI EAFE Growth Index (reflects no deduction for fees, expenses or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 20.76% 4.43% 7.42%
Institutional      
Prospectus [Line Items]      
Average Annual Return, Percent 11.92% 0.34% 6.45%
Investor      
Prospectus [Line Items]      
Average Annual Return, Percent 11.55% (0.02%) 6.08%