v3.26.1
Average Annual Total Returns
12 Months Ended 60 Months Ended 62 Months Ended 107 Months Ended 120 Months Ended 121 Months Ended 136 Months Ended 200 Months Ended 207 Months Ended
Aug. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Class A                    
Prospectus [Line Items]                    
Average Annual Return, Percent   27.29% 7.04%     7.82%       7.17%
Performance Inception Date Oct. 01, 2008                  
Class 529-A                    
Prospectus [Line Items]                    
Average Annual Return, Percent   30.28% 7.52%     8.03%       7.26%
Performance Inception Date Oct. 01, 2008                  
Class C                    
Prospectus [Line Items]                    
Average Annual Return, Percent   33.07% 7.52%     7.80%       7.14%
Performance Inception Date Oct. 01, 2008                  
Class 529-C                    
Prospectus [Line Items]                    
Average Annual Return, Percent   33.00% 7.47%     8.01%       7.23%
Performance Inception Date Oct. 01, 2008                  
Class 529-E                    
Prospectus [Line Items]                    
Average Annual Return, Percent   34.75% 8.08%     8.20%       7.24%
Performance Inception Date Oct. 01, 2008                  
Class F-1                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.02% 8.30%     8.44%       7.51%
Performance Inception Date Oct. 01, 2008                  
Class F-2                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.39% 8.61%     8.73%       7.79%
Performance Inception Date Oct. 01, 2008                  
Class F-2 | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   32.90% 7.36%     7.90%        
Class F-2 | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.81% 6.63%     7.05%        
Class F-3                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.56% 8.72%   9.18%          
Performance Inception Date Jan. 27, 2017                  
Class 529-F-2                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.44% 8.61% 12.74%            
Performance Inception Date Oct. 30, 2020                  
Class 529-F-3                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.46% 8.66% 12.79%            
Performance Inception Date Oct. 30, 2020                  
Class R-1                    
Prospectus [Line Items]                    
Average Annual Return, Percent   34.05% 7.54%     7.67%       6.84%
Performance Inception Date Oct. 01, 2008                  
Class R-2                    
Prospectus [Line Items]                    
Average Annual Return, Percent   34.04% 7.54%     7.66%       6.71%
Performance Inception Date Oct. 01, 2008                  
Class R-3                    
Prospectus [Line Items]                    
Average Annual Return, Percent   34.68% 8.03%     8.14%       7.20%
Performance Inception Date Oct. 01, 2008                  
Class R-4                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.09% 8.35%     8.47%       7.54%
Performance Inception Date Oct. 01, 2008                  
Class R-5                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.47% 8.68%     8.80%       7.86%
Performance Inception Date Oct. 01, 2008                  
Class R-6                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.53% 8.72%     8.86%     8.69%  
Performance Inception Date May 01, 2009                  
Class R-2E                    
Prospectus [Line Items]                    
Average Annual Return, Percent   34.47% 7.85%     7.98%   5.44%    
Performance Inception Date Aug. 29, 2014                  
Class R-5E                    
Prospectus [Line Items]                    
Average Annual Return, Percent   35.32% 8.56%     8.68% 8.24%      
Performance Inception Date Nov. 20, 2015                  
MSCI All Country World ex USA Index (reflects no deductions for sales charges, account fees, expenses or U.S. federal income taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   32.39% 7.91%     8.41%       6.30%