| **Shareholder Fees - FidelityTotalInternationalEquityFundFidelityInternationalGrowthFund-RetailComboPRO**                     | Dec. 30, 2024 USD ($) |
|-------------------------------------------------------------------------------------------------------------------------------|-----------------------|
| FidelityTotalInternationalEquityFundFidelityInternationalGrowthFund-RetailComboPRO | Fidelity Total International Equity Fund |                  |
| **Shareholder Fees:**                                                                                                         |                  |
| (fees paid directly from your investment)                                                                                     | none                  |

| X                                                                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Other Expenses
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-1A -Section 3 -Subsection table -Paragraph 1 -Subparagraph 10
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| X                                                                                                                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - References
No definition available.
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| X                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                |
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