v3.26.1
Performance Management - T. Rowe Price Tax-Exempt Money Fund, Inc.
Apr. 24, 2026
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]

The following performance information provides some indication of the risks of investing in the fund. The fund’s performance information represents only past performance and is not necessarily an indication of future results.

 

The following bar chart illustrates how much returns can differ from year to year by showing calendar year returns and the best and worst calendar quarter returns during those years for the fund’s Investor Class. Returns for other share classes vary since they have different expenses.
Performance Past Does Not Indicate Future [Text] The fund’s performance information represents only past performance and is not necessarily an indication of future results.
Performance Information Illustrates Variability of Returns [Text] The following performance information provides some indication of the risks of investing in the fund.
Bar Chart [Heading] Calender Year Returns
Bar Chart [Table]

 
Bar Chart Closing [Text Block]

 

    Quarter Ended

Total

Return

     Quarter Ended

Total

Return

  
  Best Quarter 12/31/23 0.82%   Worst Quarter 3/31/21 0.00%  

 
Highest Quarterly Return, Label [Optional Text] Best Quarter
Highest Quarterly Return 0.82%
Highest Quarterly Return, Date Dec. 31, 2023
Lowest Quarterly Return, Label [Optional Text] Worst Quarter
Lowest Quarterly Return none
Lowest Quarterly Return, Date Mar. 31, 2021
Performance Table Heading Average Annual Total Returns Periods ended December 31, 2025
Performance Table Narrative

The following table shows the average annual total returns for each class of the fund that has been in operation for at least one full calendar year. In addition, the table also includes a comparative index that has investment characteristics similar to those of the fund.

 
Performance [Table]

Average Annual Total Returns 

           
    Periods ended   
    December 31, 2025  
                           
                      Since Inception  
    1 Year      5 Years      10 Years      inception date  
  Investor Class                       04/08/1981  
    2.34 %   1.81 %   1.20 %   — %    
  I Class                       07/06/2017  
    2.55     1.96     —     1.50      
       
  Lipper Tax-Exempt Money Market Funds Average    
    2.28     1.76     1.18     1.33 a     
                             
aReturn since 6/30/17.

 
Performance Table Closing [Text Block]

Updated performance information is available through troweprice.com.

 
Performance Availability Website Address [Text] troweprice.com