Shareholder Fees |
Jul. 27, 2026
USD ($)
|
|||
|---|---|---|---|---|
| T. Rowe Price U.S. Limited Duration TIPS Index Fund- Investor Class | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | $ 20 | [1] | ||
| T. Rowe Price U.S. Limited Duration TIPS Index Fund-I Class | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | 0 | |||
| T. Rowe Price U.S. Limited Duration TIPS Index Fund-Z Class | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | $ 0 | |||
| ||||