Annual Operating Expenses - FidelityEmergingMarketsDiscoveryFund-AMCIZPRO - FidelityEmergingMarketsDiscoveryFund-AMCIZPRO - Fidelity Emerging Markets Discovery Fund	Dec. 30, 2024
Fidelity Advisor Emerging Markets Discovery Fund - Class A
Operating Expenses:
Management fee	0.95%	[1],[2]
Distribution and/or Service (12b-1) fees	0.25%
Other expenses	0.06%	[1]
Total annual operating expenses	1.26%
Fidelity Advisor Emerging Markets Discovery Fund - Class C
Operating Expenses:
Management fee	0.95%	[1],[2]
Distribution and/or Service (12b-1) fees	1.00%
Other expenses	0.06%	[1]
Total annual operating expenses	2.01%
Fidelity Advisor Emerging Markets Discovery Fund - Class M
Operating Expenses:
Management fee	0.95%	[1],[2]
Distribution and/or Service (12b-1) fees	0.50%
Other expenses	0.06%	[1]
Total annual operating expenses	1.51%
Fidelity Advisor Emerging Markets Discovery Fund - Class I
Operating Expenses:
Management fee	0.95%	[1],[2]
Distribution and/or Service (12b-1) fees	none
Other expenses	0.06%	[1]
Total annual operating expenses	1.01%
Fidelity Advisor Emerging Markets Discovery Fund - Class Z
Operating Expenses:
Management fee	0.83%	[1],[2]
Distribution and/or Service (12b-1) fees	none
Other expenses	0.06%	[1]
Total annual operating expenses	0.89%

[1] B Adjusted to reflect current fees.

[2] A The management fee covers administrative services previously provided under separate services agreements with the fund, for which 0.25%, 0.25%, 0.25%, 0.22%, and 0.09% for Class A, Class M, Class C, Class I, and Class Z, respectively, was previously charged under the services agreements.