Service and Premier Shares [Member] Expense Example - Service and Premier Shares [Member] - U.S. GOVERNMENT SELECT PORTFOLIO |
Nov. 30, 2025
USD ($)
|
|---|---|
| Service Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 20 |
| Expense Example, with Redemption, 3 Years | 67 |
| Expense Example, with Redemption, 5 Years | 117 |
| Expense Example, with Redemption, 10 Years | 267 |
| Premier Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 20 |
| Expense Example, with Redemption, 3 Years | 67 |
| Expense Example, with Redemption, 5 Years | 117 |
| Expense Example, with Redemption, 10 Years | $ 267 |