v3.26.1
Form N-1A Cover
Jul. 27, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name T. Rowe Price New Income Fund, Inc.
Entity Central Index Key 0000080249
Entity Investment Company Type N-1A
Document Period End Date Jul. 25, 2026
Prospectus Date Aug. 01, 2026