Empower SP 500 Index Fund Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500® Index (reflects no deduction for fees, expenses or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% |
| Institutional | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.64% | 14.25% | 14.63% |
| Investor | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.30% | 13.85% | 14.22% |