Average Annual Total Returns		12 Months Ended	50 Months Ended	60 Months Ended	95 Months Ended	109 Months Ended	120 Months Ended	124 Months Ended	188 Months Ended	195 Months Ended
Average Annual Total Returns	Aug. 29, 2025	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024
Class A
Prospectus [Line Items]
Average Annual Return, Percent		(2.65%)		2.32%			3.73%			5.66%
Performance Inception Date	Oct. 01, 2008
Class 529-A
Prospectus [Line Items]
Average Annual Return, Percent		(0.35%)		2.78%			3.93%			5.75%
Performance Inception Date	Oct. 01, 2008
Class C
Prospectus [Line Items]
Average Annual Return, Percent		1.53%		2.77%			3.71%			5.63%
Performance Inception Date	Oct. 01, 2008
Class 529-C
Prospectus [Line Items]
Average Annual Return, Percent		1.48%		2.73%			3.90%			5.72%
Performance Inception Date	Oct. 01, 2008
Class 529-E
Prospectus [Line Items]
Average Annual Return, Percent		3.09%		3.32%			4.09%			5.74%
Performance Inception Date	Oct. 01, 2008
Class 529-F-1
Prospectus [Line Items]
Average Annual Return, Percent		3.48%		3.73%			4.52%			6.21%
Performance Inception Date	Oct. 01, 2008
Class F-1
Prospectus [Line Items]
Average Annual Return, Percent		3.31%		3.53%			4.32%			6.01%
Performance Inception Date	Oct. 01, 2008
Class F-2
Prospectus [Line Items]
Average Annual Return, Percent		3.57%		3.82%			4.60%			6.29%
Performance Inception Date	Oct. 01, 2008
Class F-2 \| After Taxes on Distributions
Prospectus [Line Items]
Average Annual Return, Percent		2.83%		2.95%			3.93%
Class F-2 \| After Taxes on Distributions and Sales
Prospectus [Line Items]
Average Annual Return, Percent		2.87%		2.98%			3.68%
Class F-3
Prospectus [Line Items]
Average Annual Return, Percent		3.69%		3.93%	6.24%
Performance Inception Date	Jan. 27, 2017
Class 529-F-2
Prospectus [Line Items]
Average Annual Return, Percent		3.57%	7.89%
Performance Inception Date	Oct. 30, 2020
Class 529-F-3
Prospectus [Line Items]
Average Annual Return, Percent		3.63%	7.94%
Performance Inception Date	Oct. 30, 2020
Class R-1
Prospectus [Line Items]
Average Annual Return, Percent		2.56%		2.80%			3.60%			5.35%
Performance Inception Date	Oct. 01, 2008
Class R-2
Prospectus [Line Items]
Average Annual Return, Percent		2.59%		2.80%			3.56%			5.22%
Performance Inception Date	Oct. 01, 2008
Class R-3
Prospectus [Line Items]
Average Annual Return, Percent		3.02%		3.26%			4.04%			5.71%
Performance Inception Date	Oct. 01, 2008
Class R-4
Prospectus [Line Items]
Average Annual Return, Percent		3.33%		3.57%			4.36%			6.04%
Performance Inception Date	Oct. 01, 2008
Class R-5
Prospectus [Line Items]
Average Annual Return, Percent		3.63%		3.89%			4.67%			6.36%
Performance Inception Date	Oct. 01, 2008
Class R-6
Prospectus [Line Items]
Average Annual Return, Percent		3.69%		3.94%			4.72%		7.17%
Performance Inception Date	May 01, 2009
Class R-2E
Prospectus [Line Items]
Average Annual Return, Percent		2.86%		3.11%			3.92%	2.99%
Performance Inception Date	Aug. 29, 2014
Class R-5E
Prospectus [Line Items]
Average Annual Return, Percent		3.56%		3.77%		5.61%
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		5.53%		4.10%			4.80%			4.87%