Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 102 Months Ended | 120 Months Ended | 537 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
[1] | Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| Lipper Tax-Exempt Money Market Funds Average | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 2.28% | 1.76% | 1.33% | 1.18% | |||||
| T. Rowe Price Tax-Exempt Money Fund, Inc. - Investor Class | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 2.34% | 1.81% | 1.20% | ||||||
| Performance Inception Date | Apr. 08, 1981 | ||||||||
| T. Rowe Price Tax-Exempt Money Fund, Inc. - I Class | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 2.55% | 1.96% | 1.50% | ||||||
| Performance Inception Date | Jul. 06, 2017 | ||||||||
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