Shareholder Fees |
Jul. 27, 2026
USD ($)
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|---|---|---|---|---|
| T. Rowe Price New Income Fund-Investor Class [Member] | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | $ 20 | [1] | ||
| T. Rowe Price New Income Fund-I Class [Member] | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | 0 | |||
| T. Rowe Price New Income Fund-Advisor Class [Member] | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | 0 | |||
| T. Rowe Price New Income Fund-R Class [Member] | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | 0 | |||
| T. Rowe Price New Income Fund-Z Class [Member] | ||||
| Prospectus [Line Items] | ||||
| Maximum Account Fee | $ 0 | |||
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