Expense Example - FidelityEmergingMarketsDiscoveryFundFidelityTotalEmergingMarketsFund-RetailComboPRO - FidelityEmergingMarketsDiscoveryFundFidelityTotalEmergingMarketsFund-RetailComboPRO - Fidelity Total Emerging Markets Fund - Fidelity Total Emerging Markets Fund	Dec. 30, 2022 USD ($)
Expense Example:
1 year	$ 114
3 years	356
5 years	617
10 years	$ 1,363