v3.26.3
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 114 Months Ended 120 Months Ended
Jul. 31, 2026
Jul. 31, 2026
Jul. 31, 2026
 [2]
Jul. 31, 2026
American Funds Tax-Exempt Fund of New York® - Class A        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class A (with sales charge)      
Average Annual Return, Percent [1] 2.26% (0.68%)   1.18%
American Funds Tax-Exempt Fund of New York® - Class C        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class C (with sales charge)      
Average Annual Return, Percent [1] 4.45% (0.67%)   0.95%
American Funds Tax-Exempt Fund of New York® - Class F-1        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class F-1      
Average Annual Return, Percent [1] 6.14% 0.00%   1.52%
American Funds Tax-Exempt Fund of New York® - Class F-2        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class F-2      
Average Annual Return, Percent [1] 6.42% 0.25%   1.73%
American Funds Tax-Exempt Fund of New York® - Class F-3        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class F-3      
Average Annual Return, Percent [1] 6.54% 0.36% 2.33%  
Without Sales Load [Member] | American Funds Tax-Exempt Fund of New York® - Class A        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class A(without sales charge)      
Average Annual Return, Percent [1] 6.24% 0.08%   1.57%
Without Sales Load [Member] | American Funds Tax-Exempt Fund of New York® - Class C        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name American Funds Tax-Exempt Fund of New York — Class C(without sales charge)      
Average Annual Return, Percent [1] 5.45% (0.67%)   0.95%
Bloomberg Municipal Bond Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Bloomberg Municipal Bond Index      
Average Annual Return, Percent [3] 5.27% 0.51% 2.43% 1.95%
Bloomberg New York Municipal Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Bloomberg New York Municipal Index      
Average Annual Return, Percent [3] 5.57% 0.47% 2.28% 1.82%
[1] Investment results assume all distributions are reinvested and reflect applicable fees and expenses. When applicable, results reflect fee waivers and/or expense reimbursements, without which they would have been lower.
[2] Class F-3 shares were first offered on January 27, 2017
[3] Results assume all distributions are reinvested. Any market index shown is unmanaged, and therefore, has no expenses. Investors cannot invest directly in an index. Source(s): Bloomberg Index Services Ltd.