Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| T. Rowe Price Inflation Protected Bond Fund, Inc. - Investor Class [Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.64% | 1.53% | 2.58% | (12.85%) | 5.31% | 11.06% | 8.65% | (1.33%) | 2.75% | 3.52% |