Annual Operating Expenses - FidelityOTCPortfolio-AMCIZPRO - FidelityOTCPortfolio-AMCIZPRO - Fidelity OTC Portfolio	Oct. 04, 2024
Fidelity Advisor OTC Fund - Class Z
Operating Expenses:
Management fee	0.65%	[1],[2]
Distribution and/or Service (12b-1) fees	none
Other expenses	0.01%	[2]
Total annual operating expenses	0.66%
Fidelity Advisor OTC Fund - Class C
Operating Expenses:
Management fee	0.77%	[1],[2]
Distribution and/or Service (12b-1) fees	1.00%
Other expenses	0.01%	[2]
Total annual operating expenses	1.78%
Fidelity Advisor OTC Fund - Class A
Operating Expenses:
Management fee	0.77%	[1],[2]
Distribution and/or Service (12b-1) fees	0.25%
Other expenses	0.01%	[2]
Total annual operating expenses	1.03%
Fidelity Advisor OTC Fund - Class M
Operating Expenses:
Management fee	0.77%	[1],[2]
Distribution and/or Service (12b-1) fees	0.50%
Other expenses	0.01%	[2]
Total annual operating expenses	1.28%
Fidelity Advisor OTC Fund - Class I
Operating Expenses:
Management fee	0.77%	[1],[2]
Distribution and/or Service (12b-1) fees	none
Other expenses	0.01%	[2]
Total annual operating expenses	0.78%

[1] A The management fee comprises a basic fee, which may vary by class, that is adjusted up or down (subject to a maximum rate) based on the performance of the fund or a designated class of the fund relative to that of the Nasdaq Composite Index®. Please see "Fund Services - Fund Management - Advisory Fee(s)" for additional information.

[2] B Based on estimated amounts for the current fiscal year.