| Form N-CSR Cover | 6 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Fidelity Summer Street Trust |
| Entity Central Index Key | 0000225322 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Shareholder Report | 6 Months Ended |
| Oct. 31, 2024 USD ($) shares | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Fidelity Summer Street Trust |
| Entity Central Index Key | 0000225322 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Fidelity Women's Leadership Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Women's Leadership Fund |
| Class Name | Fidelity® Women's Leadership Fund |
| Trading Symbol | FWOMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Women's Leadership Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® Women's Leadership Fund $ 0.66 % |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.66% |
| Net Assets | $ 148,487,329 |
| Holdings Count | shares | 113 |
| Investment Company Portfolio Turnover | 26% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 113 Portfolio Turnover 26 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Information Technology 30.0 Financials 13.2 Health Care 13.0 Industrials 11.5 Consumer Discretionary 11.3 Communication Services 6.1 Materials 3.8 Consumer Staples 3.2 Energy 2.9 Real Estate 1.9 Utilities 1.0 Common Stocks 97.6 Preferred Stocks 0.3 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 93.8 China 1.3 Belgium 1.3 Australia 1.0 Germany 0.8 Italy 0.8 Canada 0.5 Norway 0.4 United Kingdom 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Apple Inc 4.4 NVIDIA Corp 3.7 Microsoft Corp 3.6 Amazon.com Inc 2.6 Accenture Capital Inc Class A 2.1 Walt Disney Co/The 2.0 Salesforce Inc 1.8 Hologic Inc 1.7 JPMorgan Chase & Co 1.7 Progressive Corp/The 1.6 25.2 |
| Fidelity Advisor High Income Fund - Class Z | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® High Income Fund |
| Class Name | Fidelity Advisor® High Income Fund Class Z |
| Trading Symbol | FGUMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Z $ 0.60 % |
| Expenses Paid, Amount | $ 31 |
| Expense Ratio, Percent | 0.60% |
| Net Assets | $ 2,767,692,910 |
| Holdings Count | shares | 926 |
| Investment Company Portfolio Turnover | 59% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 926 Portfolio Turnover 59 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 2.5 A 0.3 BBB 2.5 BB 32.9 B 37.4 CCC,CC,C 15.4 Not Rated 3.9 Equities 3.0 Short-Term Investments and Net Other Assets (Liabilities) 2.1 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 86.1 Bank Loan Obligations 4.3 U.S. Treasury Obligations 2.5 Common Stocks 1.9 Preferred Securities 1.7 Alternative Funds 1.1 Asset-Backed Securities 0.2 CMOs and Other Mortgage Related Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 81.7 Canada 3.7 United Kingdom 2.4 France 1.3 Germany 0.9 Ireland 0.9 Luxembourg 0.9 Netherlands 0.7 Tanzania 0.6 Others 6.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 2.5 CHS/Community Health Systems Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.3 Fidelity Private Credit Company LLC 1.1 TransDigm Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 Carnival Corp 0.9 Vistra Operations Co LLC 0.8 NRG Energy Inc 0.8 11.7 |
| Fidelity Advisor Short Duration High Income Fund - Class I | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Short Duration High Income Fund |
| Class Name | Fidelity Advisor® Short Duration High Income Fund Class I |
| Trading Symbol | FSFHX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Short Duration High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $ 0.75 % |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.75% |
| Net Assets | $ 249,300,191 |
| Holdings Count | shares | 487 |
| Investment Company Portfolio Turnover | 47% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 487 Portfolio Turnover 47 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.4 A 0.2 BBB 5.0 BB 32.0 B 44.2 CCC,CC,C 8.0 Not Rated 2.7 Equities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 79.7 Bank Loan Obligations 11.5 U.S. Treasury Obligations 1.4 Preferred Securities 0.7 Common Stocks 0.2 Asset-Backed Securities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 ASSET ALLOCATION (% of Fund's net assets) United States 88.7 Canada 4.3 United Kingdom 1.8 Ireland 0.7 Australia 0.6 Germany 0.5 Grand Cayman (UK Overseas Ter) 0.4 Switzerland 0.4 Netherlands 0.3 Others 2.3 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) TransDigm Inc 2.2 US Treasury Notes 1.4 Univision Communications Inc 1.2 DISH Network Corp 1.2 Carnival Corp 1.2 Royal Caribbean Cruises Ltd 1.1 CCO Holdings LLC / CCO Holdings Capital Corp 1.0 Venture Global LNG Inc 1.0 OneMain Finance Corp 0.9 Tenet Healthcare Corp 0.9 12.1 |
| Fidelity Focused High Income Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Focused High Income Fund |
| Class Name | Fidelity® Focused High Income Fund |
| Trading Symbol | FHIFX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Focused High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® Focused High Income Fund $ 0.75 % |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.75% |
| Net Assets | $ 198,767,721 |
| Holdings Count | shares | 394 |
| Investment Company Portfolio Turnover | 28% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 394 Portfolio Turnover 28 % |
| Holdings [Text Block] | A 0.1 BBB 6.5 BB 57.3 B 28.6 CCC,CC,C 2.3 Not Rated 1.5 Equities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 3.6 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 93.7 Bank Loan Obligations 1.5 Preferred Securities 0.9 Asset-Backed Securities 0.2 Common Stocks 0.1 Short-Term Investments and Net Other Assets (Liabilities) 3.6 ASSET ALLOCATION (% of Fund's net assets) United States 87.3 Canada 4.1 United Kingdom 1.9 Australia 1.5 Ireland 0.7 Hong Kong 0.7 Panama 0.5 Guatemala 0.4 France 0.4 Others 2.5 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) CCO Holdings LLC / CCO Holdings Capital Corp 2.0 Hilton Domestic Operating Co Inc 1.9 Hess Midstream Operations LP 1.7 Royal Caribbean Cruises Ltd 1.4 OneMain Finance Corp 1.4 Iron Mountain Inc 1.3 Albertsons Cos Inc / Safeway Inc / New Albertsons LP / Albertsons LLC 1.3 Vistra Operations Co LLC 1.3 Yum! Brands Inc 1.2 Sirius XM Radio Inc 1.1 14.6 |
| Fidelity SAI High Income Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® SAI High Income Fund |
| Class Name | Fidelity® SAI High Income Fund |
| Trading Symbol | FSHGX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® SAI High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-3455 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-3455 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® SAI High Income Fund $ 0.55 % |
| Expenses Paid, Amount | $ 29 |
| Expense Ratio, Percent | 0.55% |
| Net Assets | $ 1,614,908,129 |
| Holdings Count | shares | 820 |
| Investment Company Portfolio Turnover | 62% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 820 Portfolio Turnover 62 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.9 A 0.3 BBB 2.1 BB 34.5 B 34.6 CCC,CC,C 16.4 Not Rated 4.0 Equities 3.8 Short-Term Investments and Net Other Assets (Liabilities) 2.4 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 85.6 Bank Loan Obligations 4.4 Common Stocks 2.4 U.S. Treasury Obligations 1.9 Preferred Securities 1.7 Alternative Funds 1.4 CMOs and Other Mortgage Related Securities 0.1 Asset-Backed Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.4 ASSET ALLOCATION (% of Fund's net assets) United States 81.2 Canada 4.1 United Kingdom 2.7 France 1.4 Germany 0.9 Luxembourg 0.9 Ireland 0.9 Tanzania 0.6 Switzerland 0.6 Others 6.7 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 1.9 CHS/Community Health Systems Inc 1.5 Fidelity Private Credit Company LLC 1.4 CCO Holdings LLC / CCO Holdings Capital Corp 1.2 Mesquite Energy Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 TransDigm Inc 0.9 PG&E Corp 0.9 Cloud Software Group Inc 0.8 11.6 |
| Fidelity Advisor Women's Leadership Fund - Class M | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Women's Leadership Fund |
| Class Name | Fidelity Advisor® Women's Leadership Fund Class M |
| Trading Symbol | FWOEX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Women's Leadership Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class M $ 1.21 % |
| Expenses Paid, Amount | $ 63 |
| Expense Ratio, Percent | 1.21% |
| Net Assets | $ 148,487,329 |
| Holdings Count | shares | 113 |
| Investment Company Portfolio Turnover | 26% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 113 Portfolio Turnover 26 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Information Technology 30.0 Financials 13.2 Health Care 13.0 Industrials 11.5 Consumer Discretionary 11.3 Communication Services 6.1 Materials 3.8 Consumer Staples 3.2 Energy 2.9 Real Estate 1.9 Utilities 1.0 Common Stocks 97.6 Preferred Stocks 0.3 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 93.8 China 1.3 Belgium 1.3 Australia 1.0 Germany 0.8 Italy 0.8 Canada 0.5 Norway 0.4 United Kingdom 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Apple Inc 4.4 NVIDIA Corp 3.7 Microsoft Corp 3.6 Amazon.com Inc 2.6 Accenture Capital Inc Class A 2.1 Walt Disney Co/The 2.0 Salesforce Inc 1.8 Hologic Inc 1.7 JPMorgan Chase & Co 1.7 Progressive Corp/The 1.6 25.2 |
| Fidelity Advisor High Income Fund - Class M | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® High Income Fund |
| Class Name | Fidelity Advisor® High Income Fund Class M |
| Trading Symbol | FGRMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class M $ 0.95 % |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 0.95% |
| Net Assets | $ 2,767,692,910 |
| Holdings Count | shares | 926 |
| Investment Company Portfolio Turnover | 59% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 926 Portfolio Turnover 59 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 2.5 A 0.3 BBB 2.5 BB 32.9 B 37.4 CCC,CC,C 15.4 Not Rated 3.9 Equities 3.0 Short-Term Investments and Net Other Assets (Liabilities) 2.1 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 86.1 Bank Loan Obligations 4.3 U.S. Treasury Obligations 2.5 Common Stocks 1.9 Preferred Securities 1.7 Alternative Funds 1.1 Asset-Backed Securities 0.2 CMOs and Other Mortgage Related Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 81.7 Canada 3.7 United Kingdom 2.4 France 1.3 Germany 0.9 Ireland 0.9 Luxembourg 0.9 Netherlands 0.7 Tanzania 0.6 Others 6.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 2.5 CHS/Community Health Systems Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.3 Fidelity Private Credit Company LLC 1.1 TransDigm Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 Carnival Corp 0.9 Vistra Operations Co LLC 0.8 NRG Energy Inc 0.8 11.7 |
| Fidelity Advisor Short Duration High Income Fund - Class M | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Short Duration High Income Fund |
| Class Name | Fidelity Advisor® Short Duration High Income Fund Class M |
| Trading Symbol | FSEHX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Short Duration High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class M $ 1.00 % |
| Expenses Paid, Amount | $ 52 |
| Expense Ratio, Percent | 1% |
| Net Assets | $ 249,300,191 |
| Holdings Count | shares | 487 |
| Investment Company Portfolio Turnover | 47% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 487 Portfolio Turnover 47 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.4 A 0.2 BBB 5.0 BB 32.0 B 44.2 CCC,CC,C 8.0 Not Rated 2.7 Equities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 79.7 Bank Loan Obligations 11.5 U.S. Treasury Obligations 1.4 Preferred Securities 0.7 Common Stocks 0.2 Asset-Backed Securities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 ASSET ALLOCATION (% of Fund's net assets) United States 88.7 Canada 4.3 United Kingdom 1.8 Ireland 0.7 Australia 0.6 Germany 0.5 Grand Cayman (UK Overseas Ter) 0.4 Switzerland 0.4 Netherlands 0.3 Others 2.3 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) TransDigm Inc 2.2 US Treasury Notes 1.4 Univision Communications Inc 1.2 DISH Network Corp 1.2 Carnival Corp 1.2 Royal Caribbean Cruises Ltd 1.1 CCO Holdings LLC / CCO Holdings Capital Corp 1.0 Venture Global LNG Inc 1.0 OneMain Finance Corp 0.9 Tenet Healthcare Corp 0.9 12.1 |
| Fidelity Advisor High Income Fund - Class I | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® High Income Fund |
| Class Name | Fidelity Advisor® High Income Fund Class I |
| Trading Symbol | FGTMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $ 0.70 % |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.70% |
| Net Assets | $ 2,767,692,910 |
| Holdings Count | shares | 926 |
| Investment Company Portfolio Turnover | 59% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 926 Portfolio Turnover 59 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 2.5 A 0.3 BBB 2.5 BB 32.9 B 37.4 CCC,CC,C 15.4 Not Rated 3.9 Equities 3.0 Short-Term Investments and Net Other Assets (Liabilities) 2.1 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 86.1 Bank Loan Obligations 4.3 U.S. Treasury Obligations 2.5 Common Stocks 1.9 Preferred Securities 1.7 Alternative Funds 1.1 Asset-Backed Securities 0.2 CMOs and Other Mortgage Related Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 81.7 Canada 3.7 United Kingdom 2.4 France 1.3 Germany 0.9 Ireland 0.9 Luxembourg 0.9 Netherlands 0.7 Tanzania 0.6 Others 6.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 2.5 CHS/Community Health Systems Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.3 Fidelity Private Credit Company LLC 1.1 TransDigm Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 Carnival Corp 0.9 Vistra Operations Co LLC 0.8 NRG Energy Inc 0.8 11.7 |
| Fidelity High Income Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® High Income Fund |
| Class Name | Fidelity® High Income Fund |
| Trading Symbol | SPHIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® High Income Fund $ 0.66 % |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.66% |
| Net Assets | $ 2,767,692,910 |
| Holdings Count | shares | 926 |
| Investment Company Portfolio Turnover | 59% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 926 Portfolio Turnover 59 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 2.5 A 0.3 BBB 2.5 BB 32.9 B 37.4 CCC,CC,C 15.4 Not Rated 3.9 Equities 3.0 Short-Term Investments and Net Other Assets (Liabilities) 2.1 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 86.1 Bank Loan Obligations 4.3 U.S. Treasury Obligations 2.5 Common Stocks 1.9 Preferred Securities 1.7 Alternative Funds 1.1 Asset-Backed Securities 0.2 CMOs and Other Mortgage Related Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 81.7 Canada 3.7 United Kingdom 2.4 France 1.3 Germany 0.9 Ireland 0.9 Luxembourg 0.9 Netherlands 0.7 Tanzania 0.6 Others 6.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 2.5 CHS/Community Health Systems Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.3 Fidelity Private Credit Company LLC 1.1 TransDigm Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 Carnival Corp 0.9 Vistra Operations Co LLC 0.8 NRG Energy Inc 0.8 11.7 |
| Fidelity Advisor High Income Fund - Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® High Income Fund |
| Class Name | Fidelity Advisor® High Income Fund Class C |
| Trading Symbol | FGSMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 1.69 % |
| Expenses Paid, Amount | $ 88 |
| Expense Ratio, Percent | 1.69% |
| Net Assets | $ 2,767,692,910 |
| Holdings Count | shares | 926 |
| Investment Company Portfolio Turnover | 59% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 926 Portfolio Turnover 59 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 2.5 A 0.3 BBB 2.5 BB 32.9 B 37.4 CCC,CC,C 15.4 Not Rated 3.9 Equities 3.0 Short-Term Investments and Net Other Assets (Liabilities) 2.1 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 86.1 Bank Loan Obligations 4.3 U.S. Treasury Obligations 2.5 Common Stocks 1.9 Preferred Securities 1.7 Alternative Funds 1.1 Asset-Backed Securities 0.2 CMOs and Other Mortgage Related Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 81.7 Canada 3.7 United Kingdom 2.4 France 1.3 Germany 0.9 Ireland 0.9 Luxembourg 0.9 Netherlands 0.7 Tanzania 0.6 Others 6.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 2.5 CHS/Community Health Systems Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.3 Fidelity Private Credit Company LLC 1.1 TransDigm Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 Carnival Corp 0.9 Vistra Operations Co LLC 0.8 NRG Energy Inc 0.8 11.7 |
| Fidelity U.S. Low Volatility Equity Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® U.S. Low Volatility Equity Fund |
| Class Name | Fidelity® U.S. Low Volatility Equity Fund |
| Trading Symbol | FULVX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® U.S. Low Volatility Equity Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® U.S. Low Volatility Equity Fund $ 0.70 % |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.70% |
| Net Assets | $ 42,811,441 |
| Holdings Count | shares | 138 |
| Investment Company Portfolio Turnover | 58% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 138 Portfolio Turnover 58 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 19.3 Information Technology 18.2 Financials 15.1 Consumer Staples 12.9 Industrials 9.0 Communication Services 8.7 Utilities 5.1 Consumer Discretionary 4.1 Materials 3.0 Energy 2.5 Real Estate 1.0 Common Stocks 98.9 Domestic Equity Funds 0.3 Short-Term Investments and Net Other Assets (Liabilities) 0.8 ASSET ALLOCATION (% of Fund's net assets) United States 97.9 United Kingdom 0.8 Germany 0.8 Japan 0.5 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Walmart Inc 1.2 CACI International Inc 1.2 Cboe Global Markets Inc 1.2 Exelixis Inc 1.2 Marsh & McLennan Cos Inc 1.1 The Travelers Companies, Inc. 1.1 Philip Morris International Inc 1.1 T-Mobile US Inc 1.1 Linde PLC 1.1 Southern Co/The 1.1 11.4 |
| Fidelity Advisor Healthy Future Fund - Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Healthy Future Fund |
| Class Name | Fidelity Advisor® Healthy Future Fund Class A |
| Trading Symbol | FAPJX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Healthy Future Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 1.31 % |
| Expenses Paid, Amount | $ 69 |
| Expense Ratio, Percent | 1.31% |
| Net Assets | $ 12,720,521 |
| Holdings Count | shares | 69 |
| Investment Company Portfolio Turnover | 48% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 69 Portfolio Turnover 48 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 33.0 Consumer Staples 20.4 Consumer Discretionary 14.5 Financials 12.3 Information Technology 9.8 Industrials 4.8 Real Estate 1.4 Communication Services 0.9 Utilities 0.9 Common Stocks 98.0 Short-Term Investments and Net Other Assets (Liabilities) 2.0 ASSET ALLOCATION (% of Fund's net assets) United States 83.7 United Kingdom 4.1 Hong Kong 3.0 Belgium 2.8 Japan 2.1 France 2.1 China 0.7 Germany 0.7 Switzerland 0.7 Others 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) NVIDIA Corp 8.4 Procter & Gamble Co/The 5.5 Tesla Inc 4.6 Thermo Fisher Scientific Inc 3.8 Vertex Pharmaceuticals Inc 3.6 UnitedHealth Group Inc 3.5 Unilever PLC 3.5 Danaher Corp 3.4 Apollo Global Management Inc 3.0 AIA Group Ltd 3.0 42.3 |
| Fidelity Advisor Healthy Future Fund - Class I | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Healthy Future Fund |
| Class Name | Fidelity Advisor® Healthy Future Fund Class I |
| Trading Symbol | FAPMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Healthy Future Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $ 1.06 % |
| Expenses Paid, Amount | $ 56 |
| Expense Ratio, Percent | 1.06% |
| Net Assets | $ 12,720,521 |
| Holdings Count | shares | 69 |
| Investment Company Portfolio Turnover | 48% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 69 Portfolio Turnover 48 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 33.0 Consumer Staples 20.4 Consumer Discretionary 14.5 Financials 12.3 Information Technology 9.8 Industrials 4.8 Real Estate 1.4 Communication Services 0.9 Utilities 0.9 Common Stocks 98.0 Short-Term Investments and Net Other Assets (Liabilities) 2.0 ASSET ALLOCATION (% of Fund's net assets) United States 83.7 United Kingdom 4.1 Hong Kong 3.0 Belgium 2.8 Japan 2.1 France 2.1 China 0.7 Germany 0.7 Switzerland 0.7 Others 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) NVIDIA Corp 8.4 Procter & Gamble Co/The 5.5 Tesla Inc 4.6 Thermo Fisher Scientific Inc 3.8 Vertex Pharmaceuticals Inc 3.6 UnitedHealth Group Inc 3.5 Unilever PLC 3.5 Danaher Corp 3.4 Apollo Global Management Inc 3.0 AIA Group Ltd 3.0 42.3 |
| Fidelity Advisor Women's Leadership Fund - Class Z | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Women's Leadership Fund |
| Class Name | Fidelity Advisor® Women's Leadership Fund Class Z |
| Trading Symbol | FWOZX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Women's Leadership Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Z $ 0.55 % |
| Expenses Paid, Amount | $ 29 |
| Expense Ratio, Percent | 0.55% |
| Net Assets | $ 148,487,329 |
| Holdings Count | shares | 113 |
| Investment Company Portfolio Turnover | 26% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 113 Portfolio Turnover 26 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Information Technology 30.0 Financials 13.2 Health Care 13.0 Industrials 11.5 Consumer Discretionary 11.3 Communication Services 6.1 Materials 3.8 Consumer Staples 3.2 Energy 2.9 Real Estate 1.9 Utilities 1.0 Common Stocks 97.6 Preferred Stocks 0.3 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 93.8 China 1.3 Belgium 1.3 Australia 1.0 Germany 0.8 Italy 0.8 Canada 0.5 Norway 0.4 United Kingdom 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Apple Inc 4.4 NVIDIA Corp 3.7 Microsoft Corp 3.6 Amazon.com Inc 2.6 Accenture Capital Inc Class A 2.1 Walt Disney Co/The 2.0 Salesforce Inc 1.8 Hologic Inc 1.7 JPMorgan Chase & Co 1.7 Progressive Corp/The 1.6 25.2 |
| Fidelity Advisor Short Duration High Income Fund - Class Z | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Short Duration High Income Fund |
| Class Name | Fidelity Advisor® Short Duration High Income Fund Class Z |
| Trading Symbol | FIJWX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Short Duration High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Z $ 0.66 % |
| Expenses Paid, Amount | $ 34 |
| Expense Ratio, Percent | 0.66% |
| Net Assets | $ 249,300,191 |
| Holdings Count | shares | 487 |
| Investment Company Portfolio Turnover | 47% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 487 Portfolio Turnover 47 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.4 A 0.2 BBB 5.0 BB 32.0 B 44.2 CCC,CC,C 8.0 Not Rated 2.7 Equities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 79.7 Bank Loan Obligations 11.5 U.S. Treasury Obligations 1.4 Preferred Securities 0.7 Common Stocks 0.2 Asset-Backed Securities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 ASSET ALLOCATION (% of Fund's net assets) United States 88.7 Canada 4.3 United Kingdom 1.8 Ireland 0.7 Australia 0.6 Germany 0.5 Grand Cayman (UK Overseas Ter) 0.4 Switzerland 0.4 Netherlands 0.3 Others 2.3 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) TransDigm Inc 2.2 US Treasury Notes 1.4 Univision Communications Inc 1.2 DISH Network Corp 1.2 Carnival Corp 1.2 Royal Caribbean Cruises Ltd 1.1 CCO Holdings LLC / CCO Holdings Capital Corp 1.0 Venture Global LNG Inc 1.0 OneMain Finance Corp 0.9 Tenet Healthcare Corp 0.9 12.1 |
| Fidelity Advisor Healthy Future Fund - Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Healthy Future Fund |
| Class Name | Fidelity Advisor® Healthy Future Fund Class C |
| Trading Symbol | FAPKX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Healthy Future Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 2.06 % |
| Expenses Paid, Amount | $ 109 |
| Expense Ratio, Percent | 2.06% |
| Net Assets | $ 12,720,521 |
| Holdings Count | shares | 69 |
| Investment Company Portfolio Turnover | 48% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 69 Portfolio Turnover 48 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 33.0 Consumer Staples 20.4 Consumer Discretionary 14.5 Financials 12.3 Information Technology 9.8 Industrials 4.8 Real Estate 1.4 Communication Services 0.9 Utilities 0.9 Common Stocks 98.0 Short-Term Investments and Net Other Assets (Liabilities) 2.0 ASSET ALLOCATION (% of Fund's net assets) United States 83.7 United Kingdom 4.1 Hong Kong 3.0 Belgium 2.8 Japan 2.1 France 2.1 China 0.7 Germany 0.7 Switzerland 0.7 Others 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) NVIDIA Corp 8.4 Procter & Gamble Co/The 5.5 Tesla Inc 4.6 Thermo Fisher Scientific Inc 3.8 Vertex Pharmaceuticals Inc 3.6 UnitedHealth Group Inc 3.5 Unilever PLC 3.5 Danaher Corp 3.4 Apollo Global Management Inc 3.0 AIA Group Ltd 3.0 42.3 |
| Fidelity Advisor Short Duration High Income Fund - Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Short Duration High Income Fund |
| Class Name | Fidelity Advisor® Short Duration High Income Fund Class A |
| Trading Symbol | FSBHX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Short Duration High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 1.00 % |
| Expenses Paid, Amount | $ 52 |
| Expense Ratio, Percent | 1% |
| Net Assets | $ 249,300,191 |
| Holdings Count | shares | 487 |
| Investment Company Portfolio Turnover | 47% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 487 Portfolio Turnover 47 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.4 A 0.2 BBB 5.0 BB 32.0 B 44.2 CCC,CC,C 8.0 Not Rated 2.7 Equities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 79.7 Bank Loan Obligations 11.5 U.S. Treasury Obligations 1.4 Preferred Securities 0.7 Common Stocks 0.2 Asset-Backed Securities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 ASSET ALLOCATION (% of Fund's net assets) United States 88.7 Canada 4.3 United Kingdom 1.8 Ireland 0.7 Australia 0.6 Germany 0.5 Grand Cayman (UK Overseas Ter) 0.4 Switzerland 0.4 Netherlands 0.3 Others 2.3 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) TransDigm Inc 2.2 US Treasury Notes 1.4 Univision Communications Inc 1.2 DISH Network Corp 1.2 Carnival Corp 1.2 Royal Caribbean Cruises Ltd 1.1 CCO Holdings LLC / CCO Holdings Capital Corp 1.0 Venture Global LNG Inc 1.0 OneMain Finance Corp 0.9 Tenet Healthcare Corp 0.9 12.1 |
| Fidelity Advisor High Income Fund - Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® High Income Fund |
| Class Name | Fidelity Advisor® High Income Fund Class A |
| Trading Symbol | FGQMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 0.95 % |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 0.95% |
| Net Assets | $ 2,767,692,910 |
| Holdings Count | shares | 926 |
| Investment Company Portfolio Turnover | 59% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 926 Portfolio Turnover 59 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 2.5 A 0.3 BBB 2.5 BB 32.9 B 37.4 CCC,CC,C 15.4 Not Rated 3.9 Equities 3.0 Short-Term Investments and Net Other Assets (Liabilities) 2.1 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 86.1 Bank Loan Obligations 4.3 U.S. Treasury Obligations 2.5 Common Stocks 1.9 Preferred Securities 1.7 Alternative Funds 1.1 Asset-Backed Securities 0.2 CMOs and Other Mortgage Related Securities 0.1 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 81.7 Canada 3.7 United Kingdom 2.4 France 1.3 Germany 0.9 Ireland 0.9 Luxembourg 0.9 Netherlands 0.7 Tanzania 0.6 Others 6.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) US Treasury Notes 2.5 CHS/Community Health Systems Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.3 Fidelity Private Credit Company LLC 1.1 TransDigm Inc 1.1 MPT Operating Partnership LP / MPT Finance Corp 1.0 Tenet Healthcare Corp 0.9 Carnival Corp 0.9 Vistra Operations Co LLC 0.8 NRG Energy Inc 0.8 11.7 |
| Fidelity Advisor Women's Leadership Fund - Class I | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Women's Leadership Fund |
| Class Name | Fidelity Advisor® Women's Leadership Fund Class I |
| Trading Symbol | FWMNX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Women's Leadership Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class I $ 0.67 % |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.67% |
| Net Assets | $ 148,487,329 |
| Holdings Count | shares | 113 |
| Investment Company Portfolio Turnover | 26% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 113 Portfolio Turnover 26 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Information Technology 30.0 Financials 13.2 Health Care 13.0 Industrials 11.5 Consumer Discretionary 11.3 Communication Services 6.1 Materials 3.8 Consumer Staples 3.2 Energy 2.9 Real Estate 1.9 Utilities 1.0 Common Stocks 97.6 Preferred Stocks 0.3 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 93.8 China 1.3 Belgium 1.3 Australia 1.0 Germany 0.8 Italy 0.8 Canada 0.5 Norway 0.4 United Kingdom 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Apple Inc 4.4 NVIDIA Corp 3.7 Microsoft Corp 3.6 Amazon.com Inc 2.6 Accenture Capital Inc Class A 2.1 Walt Disney Co/The 2.0 Salesforce Inc 1.8 Hologic Inc 1.7 JPMorgan Chase & Co 1.7 Progressive Corp/The 1.6 25.2 |
| Fidelity Advisor Women's Leadership Fund - Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Women's Leadership Fund |
| Class Name | Fidelity Advisor® Women's Leadership Fund Class C |
| Trading Symbol | FWOCX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Women's Leadership Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 1.71 % |
| Expenses Paid, Amount | $ 89 |
| Expense Ratio, Percent | 1.71% |
| Net Assets | $ 148,487,329 |
| Holdings Count | shares | 113 |
| Investment Company Portfolio Turnover | 26% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 113 Portfolio Turnover 26 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Information Technology 30.0 Financials 13.2 Health Care 13.0 Industrials 11.5 Consumer Discretionary 11.3 Communication Services 6.1 Materials 3.8 Consumer Staples 3.2 Energy 2.9 Real Estate 1.9 Utilities 1.0 Common Stocks 97.6 Preferred Stocks 0.3 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 93.8 China 1.3 Belgium 1.3 Australia 1.0 Germany 0.8 Italy 0.8 Canada 0.5 Norway 0.4 United Kingdom 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Apple Inc 4.4 NVIDIA Corp 3.7 Microsoft Corp 3.6 Amazon.com Inc 2.6 Accenture Capital Inc Class A 2.1 Walt Disney Co/The 2.0 Salesforce Inc 1.8 Hologic Inc 1.7 JPMorgan Chase & Co 1.7 Progressive Corp/The 1.6 25.2 |
| Fidelity Short Duration High Income Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Short Duration High Income Fund |
| Class Name | Fidelity® Short Duration High Income Fund |
| Trading Symbol | FSAHX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Short Duration High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® Short Duration High Income Fund $ 0.75 % |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.75% |
| Net Assets | $ 249,300,191 |
| Holdings Count | shares | 487 |
| Investment Company Portfolio Turnover | 47% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 487 Portfolio Turnover 47 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.4 A 0.2 BBB 5.0 BB 32.0 B 44.2 CCC,CC,C 8.0 Not Rated 2.7 Equities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 79.7 Bank Loan Obligations 11.5 U.S. Treasury Obligations 1.4 Preferred Securities 0.7 Common Stocks 0.2 Asset-Backed Securities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 ASSET ALLOCATION (% of Fund's net assets) United States 88.7 Canada 4.3 United Kingdom 1.8 Ireland 0.7 Australia 0.6 Germany 0.5 Grand Cayman (UK Overseas Ter) 0.4 Switzerland 0.4 Netherlands 0.3 Others 2.3 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) TransDigm Inc 2.2 US Treasury Notes 1.4 Univision Communications Inc 1.2 DISH Network Corp 1.2 Carnival Corp 1.2 Royal Caribbean Cruises Ltd 1.1 CCO Holdings LLC / CCO Holdings Capital Corp 1.0 Venture Global LNG Inc 1.0 OneMain Finance Corp 0.9 Tenet Healthcare Corp 0.9 12.1 |
| Fidelity Healthy Future Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Healthy Future Fund |
| Class Name | Fidelity® Healthy Future Fund |
| Trading Symbol | FAPHX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Healthy Future Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® Healthy Future Fund $ 1.06 % |
| Expenses Paid, Amount | $ 56 |
| Expense Ratio, Percent | 1.06% |
| Net Assets | $ 12,720,521 |
| Holdings Count | shares | 69 |
| Investment Company Portfolio Turnover | 48% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 69 Portfolio Turnover 48 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 33.0 Consumer Staples 20.4 Consumer Discretionary 14.5 Financials 12.3 Information Technology 9.8 Industrials 4.8 Real Estate 1.4 Communication Services 0.9 Utilities 0.9 Common Stocks 98.0 Short-Term Investments and Net Other Assets (Liabilities) 2.0 ASSET ALLOCATION (% of Fund's net assets) United States 83.7 United Kingdom 4.1 Hong Kong 3.0 Belgium 2.8 Japan 2.1 France 2.1 China 0.7 Germany 0.7 Switzerland 0.7 Others 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) NVIDIA Corp 8.4 Procter & Gamble Co/The 5.5 Tesla Inc 4.6 Thermo Fisher Scientific Inc 3.8 Vertex Pharmaceuticals Inc 3.6 UnitedHealth Group Inc 3.5 Unilever PLC 3.5 Danaher Corp 3.4 Apollo Global Management Inc 3.0 AIA Group Ltd 3.0 42.3 |
| Fidelity Capital & Income Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Capital & Income Fund |
| Class Name | Fidelity® Capital & Income Fund |
| Trading Symbol | FAGIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Capital & Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® Capital & Income Fund $ 0.63 % |
| Expenses Paid, Amount | $ 33 |
| Expense Ratio, Percent | 0.63% |
| Net Assets | $ 13,387,526,690 |
| Holdings Count | shares | 745 |
| Investment Company Portfolio Turnover | 18% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 745 Portfolio Turnover 18 % |
| Holdings [Text Block] | BBB 5.6 BB 19.7 B 29.5 CCC,CC,C 6.6 Not Rated 2.5 Equities 23.4 Short-Term Investments and Net Other Assets (Liabilities) 12.7 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 51.7 Common Stocks 20.7 Bank Loan Obligations 9.4 Alternative Funds 2.7 Preferred Securities 2.7 Asset-Backed Securities 0.1 Preferred Stocks 0.0 Short-Term Investments and Net Other Assets (Liabilities) 12.7 ASSET ALLOCATION (% of Fund's net assets) United States 90.9 Canada 2.2 United Kingdom 1.7 France 1.3 Netherlands 0.5 China 0.5 Australia 0.4 Luxembourg 0.4 Taiwan 0.3 Others 1.8 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Fidelity Private Credit Company LLC 2.7 TransDigm Inc 2.3 Ally Financial Inc 1.4 NVIDIA Corp 1.4 Energy Transfer LP 1.2 Tenet Healthcare Corp 1.1 Altice France SA 1.1 DISH Network Corp 1.1 Meta Platforms Inc Class A 1.1 LBM Acquisition LLC 1.1 14.5 |
| Fidelity Advisor Healthy Future Fund - Class M | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Healthy Future Fund |
| Class Name | Fidelity Advisor® Healthy Future Fund Class M |
| Trading Symbol | FAPLX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Healthy Future Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class M $ 1.55 % |
| Expenses Paid, Amount | $ 82 |
| Expense Ratio, Percent | 1.55% |
| Net Assets | $ 12,720,521 |
| Holdings Count | shares | 69 |
| Investment Company Portfolio Turnover | 48% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 69 Portfolio Turnover 48 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 33.0 Consumer Staples 20.4 Consumer Discretionary 14.5 Financials 12.3 Information Technology 9.8 Industrials 4.8 Real Estate 1.4 Communication Services 0.9 Utilities 0.9 Common Stocks 98.0 Short-Term Investments and Net Other Assets (Liabilities) 2.0 ASSET ALLOCATION (% of Fund's net assets) United States 83.7 United Kingdom 4.1 Hong Kong 3.0 Belgium 2.8 Japan 2.1 France 2.1 China 0.7 Germany 0.7 Switzerland 0.7 Others 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) NVIDIA Corp 8.4 Procter & Gamble Co/The 5.5 Tesla Inc 4.6 Thermo Fisher Scientific Inc 3.8 Vertex Pharmaceuticals Inc 3.6 UnitedHealth Group Inc 3.5 Unilever PLC 3.5 Danaher Corp 3.4 Apollo Global Management Inc 3.0 AIA Group Ltd 3.0 42.3 |
| Fidelity Advisor Short Duration High Income Fund - Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Short Duration High Income Fund |
| Class Name | Fidelity Advisor® Short Duration High Income Fund Class C |
| Trading Symbol | FSDHX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Short Duration High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 1.75 % |
| Expenses Paid, Amount | $ 90 |
| Expense Ratio, Percent | 1.75% |
| Net Assets | $ 249,300,191 |
| Holdings Count | shares | 487 |
| Investment Company Portfolio Turnover | 47% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 487 Portfolio Turnover 47 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 1.4 A 0.2 BBB 5.0 BB 32.0 B 44.2 CCC,CC,C 8.0 Not Rated 2.7 Equities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 79.7 Bank Loan Obligations 11.5 U.S. Treasury Obligations 1.4 Preferred Securities 0.7 Common Stocks 0.2 Asset-Backed Securities 0.2 Short-Term Investments and Net Other Assets (Liabilities) 6.3 ASSET ALLOCATION (% of Fund's net assets) United States 88.7 Canada 4.3 United Kingdom 1.8 Ireland 0.7 Australia 0.6 Germany 0.5 Grand Cayman (UK Overseas Ter) 0.4 Switzerland 0.4 Netherlands 0.3 Others 2.3 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) TransDigm Inc 2.2 US Treasury Notes 1.4 Univision Communications Inc 1.2 DISH Network Corp 1.2 Carnival Corp 1.2 Royal Caribbean Cruises Ltd 1.1 CCO Holdings LLC / CCO Holdings Capital Corp 1.0 Venture Global LNG Inc 1.0 OneMain Finance Corp 0.9 Tenet Healthcare Corp 0.9 12.1 |
| Fidelity Advisor Women's Leadership Fund - Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Women's Leadership Fund |
| Class Name | Fidelity Advisor® Women's Leadership Fund Class A |
| Trading Symbol | FWOAX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Women's Leadership Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 0.96 % |
| Expenses Paid, Amount | $ 50 |
| Expense Ratio, Percent | 0.96% |
| Net Assets | $ 148,487,329 |
| Holdings Count | shares | 113 |
| Investment Company Portfolio Turnover | 26% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 113 Portfolio Turnover 26 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Information Technology 30.0 Financials 13.2 Health Care 13.0 Industrials 11.5 Consumer Discretionary 11.3 Communication Services 6.1 Materials 3.8 Consumer Staples 3.2 Energy 2.9 Real Estate 1.9 Utilities 1.0 Common Stocks 97.6 Preferred Stocks 0.3 Short-Term Investments and Net Other Assets (Liabilities) 2.1 ASSET ALLOCATION (% of Fund's net assets) United States 93.8 China 1.3 Belgium 1.3 Australia 1.0 Germany 0.8 Italy 0.8 Canada 0.5 Norway 0.4 United Kingdom 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) Apple Inc 4.4 NVIDIA Corp 3.7 Microsoft Corp 3.6 Amazon.com Inc 2.6 Accenture Capital Inc Class A 2.1 Walt Disney Co/The 2.0 Salesforce Inc 1.8 Hologic Inc 1.7 JPMorgan Chase & Co 1.7 Progressive Corp/The 1.6 25.2 |
| Fidelity Advisor Healthy Future Fund - Class Z | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Healthy Future Fund |
| Class Name | Fidelity Advisor® Healthy Future Fund Class Z |
| Trading Symbol | FAPNX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Healthy Future Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-877-208-0098 or by sending an e-mail to fidfunddocuments@fidelity.com. |
| Additional Information Phone Number | 1-877-208-0098 |
| Additional Information Email | fidfunddocuments@fidelity.com |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Z $ 0.91 % |
| Expenses Paid, Amount | $ 48 |
| Expense Ratio, Percent | 0.91% |
| Net Assets | $ 12,720,521 |
| Holdings Count | shares | 69 |
| Investment Company Portfolio Turnover | 48% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 69 Portfolio Turnover 48 % |
| Holdings [Text Block] | MARKET SECTORS (% of Fund's net assets) Health Care 33.0 Consumer Staples 20.4 Consumer Discretionary 14.5 Financials 12.3 Information Technology 9.8 Industrials 4.8 Real Estate 1.4 Communication Services 0.9 Utilities 0.9 Common Stocks 98.0 Short-Term Investments and Net Other Assets (Liabilities) 2.0 ASSET ALLOCATION (% of Fund's net assets) United States 83.7 United Kingdom 4.1 Hong Kong 3.0 Belgium 2.8 Japan 2.1 France 2.1 China 0.7 Germany 0.7 Switzerland 0.7 Others 0.1 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) NVIDIA Corp 8.4 Procter & Gamble Co/The 5.5 Tesla Inc 4.6 Thermo Fisher Scientific Inc 3.8 Vertex Pharmaceuticals Inc 3.6 UnitedHealth Group Inc 3.5 Unilever PLC 3.5 Danaher Corp 3.4 Apollo Global Management Inc 3.0 AIA Group Ltd 3.0 42.3 |
| Fidelity Series High Income Fund | |
| Shareholder Report [Line Items] | |
| Fund Name | Fidelity® Series High Income Fund |
| Class Name | Fidelity® Series High Income Fund |
| Trading Symbol | FSHNX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains information about Fidelity® Series High Income Fund for the period May 1, 2024 to October 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544. |
| Additional Information Phone Number | 1-800-544-8544 |
| Additional Information Website | fundresearch.fidelity.com/prospectus/sec |
| Expenses [Text Block] | What were your Fund costs for the last six months? (based on hypothetical $10,000 investment) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Fidelity® Series High Income Fund $ A 0.00 % B A Amount represents less than $.50 B Amount represents less than 0.005% |
| Expenses Paid, Amount | $ 0 |
| Expense Ratio, Percent | 0% |
| Net Assets | $ 1,458,074,536 |
| Holdings Count | shares | 821 |
| Investment Company Portfolio Turnover | 30% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of October 31, 2024) KEY FACTS Fund Size $ Number of Holdings 821 Portfolio Turnover 30 % |
| Holdings [Text Block] | U.S. Government and U.S. Government Agency Obligations 0.5 A 0.3 BBB 4.2 BB 31.4 B 36.6 CCC,CC,C 16.3 Not Rated 3.2 Equities 3.3 Short-Term Investments and Net Other Assets (Liabilities) 4.2 QUALITY DIVERSIFICATION (% of Fund's net assets) We have used ratings from Moody's Investors Service, Inc. Where Moody's® ratings are not available, we have used S&P® ratings. All ratings are as of the date indicated and do not reflect subsequent changes. Corporate Bonds 85.8 Bank Loan Obligations 4.7 Common Stocks 2.0 Alternative Funds 1.3 Preferred Securities 0.9 U.S. Treasury Obligations 0.5 CMOs and Other Mortgage Related Securities 0.3 Asset-Backed Securities 0.3 Fixed-Income Funds 0.0 Short-Term Investments and Net Other Assets (Liabilities) 4.2 ASSET ALLOCATION (% of Fund's net assets) United States 85.4 Canada 3.5 United Kingdom 2.0 France 0.9 Luxembourg 0.8 Ireland 0.7 Italy 0.6 Germany 0.6 Switzerland 0.6 Others 4.9 GEOGRAPHIC DIVERSIFICATION (% of Fund's net assets) |
| Largest Holdings [Text Block] | TOP HOLDINGS (% of Fund's net assets) CHS/Community Health Systems Inc 1.6 Fidelity Private Credit Company LLC 1.3 TransDigm Inc 1.3 CCO Holdings LLC / CCO Holdings Capital Corp 1.2 DISH Network Corp 1.0 Tenet Healthcare Corp 1.0 Mesquite Energy Inc 1.0 Alliant Holdings Intermediate LLC / Alliant Holdings Co-Issuer 0.8 MPT Operating Partnership LP / MPT Finance Corp 0.8 Altice France SA 0.8 10.8 |
| Shareholder Report, Holdings (Details) | Oct. 31, 2024 |
| Fidelity Women's Leadership Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity Women's Leadership Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Women's Leadership Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Women's Leadership Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| Fidelity Women's Leadership Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Women's Leadership Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Women's Leadership Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Women's Leadership Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Women's Leadership Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Women's Leadership Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Women's Leadership Fund | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Fidelity Women's Leadership Fund | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30% |
| Fidelity Women's Leadership Fund | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13% |
| Fidelity Women's Leadership Fund | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Women's Leadership Fund | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Women's Leadership Fund | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Women's Leadership Fund | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.30% |
| Fidelity Women's Leadership Fund | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Women's Leadership Fund | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Fidelity Women's Leadership Fund | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Fidelity Women's Leadership Fund | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Women's Leadership Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.80% |
| Fidelity Women's Leadership Fund | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Women's Leadership Fund | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Women's Leadership Fund | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Women's Leadership Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Women's Leadership Fund | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Women's Leadership Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Women's Leadership Fund | Norway | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Women's Leadership Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Women's Leadership Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.60% |
| Fidelity Women's Leadership Fund | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Women's Leadership Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class Z | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class Z | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class Z | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class Z | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class Z | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class Z | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor High Income Fund - Class Z | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class Z | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class Z | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class Z | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class Z | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class Z | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor High Income Fund - Class Z | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class Z | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.90% |
| Fidelity Advisor High Income Fund - Class Z | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.40% |
| Fidelity Advisor High Income Fund - Class Z | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
| Fidelity Advisor High Income Fund - Class Z | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Fidelity Advisor High Income Fund - Class Z | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor High Income Fund - Class Z | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class Z | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.70% |
| Fidelity Advisor High Income Fund - Class Z | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class Z | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor High Income Fund - Class Z | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity Advisor High Income Fund - Class Z | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class Z | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class Z | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class Z | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor High Income Fund - Class Z | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor High Income Fund - Class Z | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Fidelity Advisor High Income Fund - Class Z | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor High Income Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class Z | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 86.10% |
| Fidelity Advisor High Income Fund - Class Z | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor High Income Fund - Class Z | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class Z | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor High Income Fund - Class Z | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class Z | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class Z | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class I | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class I | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 88.70% |
| Fidelity Advisor Short Duration High Income Fund - Class I | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor Short Duration High Income Fund - Class I | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Short Duration High Income Fund - Class I | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor Short Duration High Income Fund - Class I | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Short Duration High Income Fund - Class I | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class I | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Short Duration High Income Fund - Class I | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Advisor Short Duration High Income Fund - Class I | GrandCaymanUKOverseasTerMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class I | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 79.70% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class I | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Focused High Income Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Focused High Income Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Focused High Income Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Focused High Income Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Focused High Income Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Focused High Income Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Focused High Income Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Focused High Income Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Focused High Income Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Focused High Income Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Focused High Income Fund | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Focused High Income Fund | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| Fidelity Focused High Income Fund | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 57.30% |
| Fidelity Focused High Income Fund | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 28.60% |
| Fidelity Focused High Income Fund | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Focused High Income Fund | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Fidelity Focused High Income Fund | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Focused High Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Focused High Income Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 87.30% |
| Fidelity Focused High Income Fund | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Fidelity Focused High Income Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Focused High Income Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Focused High Income Fund | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Focused High Income Fund | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Focused High Income Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Focused High Income Fund | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Focused High Income Fund | Panama | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Focused High Income Fund | Guatemala | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Focused High Income Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Focused High Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Focused High Income Fund | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.70% |
| Fidelity Focused High Income Fund | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Fidelity Focused High Income Fund | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Focused High Income Fund | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity SAI High Income Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity SAI High Income Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Fidelity SAI High Income Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity SAI High Income Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity SAI High Income Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity SAI High Income Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity SAI High Income Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity SAI High Income Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity SAI High Income Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity SAI High Income Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity SAI High Income Fund | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity SAI High Income Fund | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity SAI High Income Fund | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity SAI High Income Fund | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 34.50% |
| Fidelity SAI High Income Fund | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 34.60% |
| Fidelity SAI High Income Fund | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.40% |
| Fidelity SAI High Income Fund | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| Fidelity SAI High Income Fund | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity SAI High Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity SAI High Income Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.20% |
| Fidelity SAI High Income Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity SAI High Income Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity SAI High Income Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity SAI High Income Fund | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity SAI High Income Fund | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity SAI High Income Fund | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity SAI High Income Fund | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity SAI High Income Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.70% |
| Fidelity SAI High Income Fund | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity SAI High Income Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity SAI High Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity SAI High Income Fund | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 85.60% |
| Fidelity SAI High Income Fund | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity SAI High Income Fund | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity SAI High Income Fund | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity SAI High Income Fund | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity SAI High Income Fund | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity SAI High Income Fund | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class M | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Advisor Women's Leadership Fund - Class M | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Fidelity Advisor Women's Leadership Fund - Class M | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30% |
| Fidelity Advisor Women's Leadership Fund - Class M | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13% |
| Fidelity Advisor Women's Leadership Fund - Class M | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor Women's Leadership Fund - Class M | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Women's Leadership Fund - Class M | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Women's Leadership Fund - Class M | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.30% |
| Fidelity Advisor Women's Leadership Fund - Class M | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Advisor Women's Leadership Fund - Class M | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Fidelity Advisor Women's Leadership Fund - Class M | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Fidelity Advisor Women's Leadership Fund - Class M | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class M | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.80% |
| Fidelity Advisor Women's Leadership Fund - Class M | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class M | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class M | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class M | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class M | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class M | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Women's Leadership Fund - Class M | Norway | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Women's Leadership Fund - Class M | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class M | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.60% |
| Fidelity Advisor Women's Leadership Fund - Class M | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Women's Leadership Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class M | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class M | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class M | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class M | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class M | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class M | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor High Income Fund - Class M | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class M | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class M | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class M | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class M | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class M | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor High Income Fund - Class M | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class M | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.90% |
| Fidelity Advisor High Income Fund - Class M | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.40% |
| Fidelity Advisor High Income Fund - Class M | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
| Fidelity Advisor High Income Fund - Class M | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Fidelity Advisor High Income Fund - Class M | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor High Income Fund - Class M | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class M | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.70% |
| Fidelity Advisor High Income Fund - Class M | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class M | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor High Income Fund - Class M | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity Advisor High Income Fund - Class M | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class M | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class M | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class M | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor High Income Fund - Class M | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor High Income Fund - Class M | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Fidelity Advisor High Income Fund - Class M | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor High Income Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class M | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 86.10% |
| Fidelity Advisor High Income Fund - Class M | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor High Income Fund - Class M | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class M | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor High Income Fund - Class M | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class M | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class M | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class M | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class M | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 88.70% |
| Fidelity Advisor Short Duration High Income Fund - Class M | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor Short Duration High Income Fund - Class M | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Short Duration High Income Fund - Class M | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor Short Duration High Income Fund - Class M | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Short Duration High Income Fund - Class M | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class M | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Short Duration High Income Fund - Class M | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Advisor Short Duration High Income Fund - Class M | GrandCaymanUKOverseasTerMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class M | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 79.70% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class M | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class I | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class I | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class I | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class I | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class I | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class I | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor High Income Fund - Class I | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class I | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class I | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class I | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class I | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class I | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor High Income Fund - Class I | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class I | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.90% |
| Fidelity Advisor High Income Fund - Class I | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.40% |
| Fidelity Advisor High Income Fund - Class I | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
| Fidelity Advisor High Income Fund - Class I | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Fidelity Advisor High Income Fund - Class I | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor High Income Fund - Class I | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class I | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.70% |
| Fidelity Advisor High Income Fund - Class I | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class I | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor High Income Fund - Class I | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity Advisor High Income Fund - Class I | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class I | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class I | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class I | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor High Income Fund - Class I | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor High Income Fund - Class I | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Fidelity Advisor High Income Fund - Class I | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor High Income Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class I | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 86.10% |
| Fidelity Advisor High Income Fund - Class I | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor High Income Fund - Class I | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class I | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor High Income Fund - Class I | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class I | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class I | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity High Income Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity High Income Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity High Income Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity High Income Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity High Income Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity High Income Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity High Income Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity High Income Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity High Income Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity High Income Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity High Income Fund | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity High Income Fund | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity High Income Fund | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity High Income Fund | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.90% |
| Fidelity High Income Fund | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.40% |
| Fidelity High Income Fund | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
| Fidelity High Income Fund | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Fidelity High Income Fund | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity High Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity High Income Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.70% |
| Fidelity High Income Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity High Income Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity High Income Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity High Income Fund | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity High Income Fund | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity High Income Fund | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity High Income Fund | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity High Income Fund | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity High Income Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Fidelity High Income Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity High Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity High Income Fund | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 86.10% |
| Fidelity High Income Fund | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity High Income Fund | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity High Income Fund | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity High Income Fund | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity High Income Fund | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity High Income Fund | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor High Income Fund - Class C | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class C | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class C | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class C | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class C | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class C | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor High Income Fund - Class C | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class C | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class C | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class C | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class C | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class C | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor High Income Fund - Class C | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class C | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.90% |
| Fidelity Advisor High Income Fund - Class C | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.40% |
| Fidelity Advisor High Income Fund - Class C | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
| Fidelity Advisor High Income Fund - Class C | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Fidelity Advisor High Income Fund - Class C | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor High Income Fund - Class C | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class C | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.70% |
| Fidelity Advisor High Income Fund - Class C | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class C | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor High Income Fund - Class C | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity Advisor High Income Fund - Class C | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class C | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class C | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class C | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor High Income Fund - Class C | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor High Income Fund - Class C | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Fidelity Advisor High Income Fund - Class C | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor High Income Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class C | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 86.10% |
| Fidelity Advisor High Income Fund - Class C | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor High Income Fund - Class C | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class C | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor High Income Fund - Class C | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class C | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class C | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity U.S. Low Volatility Equity Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity U.S. Low Volatility Equity Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity U.S. Low Volatility Equity Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity U.S. Low Volatility Equity Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity U.S. Low Volatility Equity Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity U.S. Low Volatility Equity Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity U.S. Low Volatility Equity Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity U.S. Low Volatility Equity Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity U.S. Low Volatility Equity Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity U.S. Low Volatility Equity Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity U.S. Low Volatility Equity Fund | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.10% |
| Fidelity U.S. Low Volatility Equity Fund | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.20% |
| Fidelity U.S. Low Volatility Equity Fund | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.30% |
| Fidelity U.S. Low Volatility Equity Fund | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity U.S. Low Volatility Equity Fund | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9% |
| Fidelity U.S. Low Volatility Equity Fund | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity U.S. Low Volatility Equity Fund | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity U.S. Low Volatility Equity Fund | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.90% |
| Fidelity U.S. Low Volatility Equity Fund | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.70% |
| Fidelity U.S. Low Volatility Equity Fund | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity U.S. Low Volatility Equity Fund | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| Fidelity U.S. Low Volatility Equity Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.90% |
| Fidelity U.S. Low Volatility Equity Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity U.S. Low Volatility Equity Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity U.S. Low Volatility Equity Fund | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity U.S. Low Volatility Equity Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98.90% |
| Fidelity U.S. Low Volatility Equity Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity U.S. Low Volatility Equity Fund | AADomesticEquityFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Healthy Future Fund - Class A | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| Fidelity Advisor Healthy Future Fund - Class A | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Fidelity Advisor Healthy Future Fund - Class A | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Fidelity Advisor Healthy Future Fund - Class A | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Healthy Future Fund - Class A | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Healthy Future Fund - Class A | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class A | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class A | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fidelity Advisor Healthy Future Fund - Class A | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class A | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class A | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.30% |
| Fidelity Advisor Healthy Future Fund - Class A | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| Fidelity Advisor Healthy Future Fund - Class A | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33% |
| Fidelity Advisor Healthy Future Fund - Class A | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Healthy Future Fund - Class A | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Fidelity Advisor Healthy Future Fund - Class A | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Fidelity Advisor Healthy Future Fund - Class A | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.40% |
| Fidelity Advisor Healthy Future Fund - Class A | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class A | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class A | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.70% |
| Fidelity Advisor Healthy Future Fund - Class A | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class A | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Fidelity Advisor Healthy Future Fund - Class A | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class A | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Advisor Healthy Future Fund - Class A | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class A | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Healthy Future Fund - Class A | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class A | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class A | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class A | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Fidelity Advisor Healthy Future Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Healthy Future Fund - Class I | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| Fidelity Advisor Healthy Future Fund - Class I | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Fidelity Advisor Healthy Future Fund - Class I | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Fidelity Advisor Healthy Future Fund - Class I | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Healthy Future Fund - Class I | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Healthy Future Fund - Class I | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class I | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class I | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fidelity Advisor Healthy Future Fund - Class I | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class I | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class I | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.30% |
| Fidelity Advisor Healthy Future Fund - Class I | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| Fidelity Advisor Healthy Future Fund - Class I | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33% |
| Fidelity Advisor Healthy Future Fund - Class I | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Healthy Future Fund - Class I | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Fidelity Advisor Healthy Future Fund - Class I | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Fidelity Advisor Healthy Future Fund - Class I | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.40% |
| Fidelity Advisor Healthy Future Fund - Class I | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class I | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class I | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.70% |
| Fidelity Advisor Healthy Future Fund - Class I | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class I | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Fidelity Advisor Healthy Future Fund - Class I | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class I | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Advisor Healthy Future Fund - Class I | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class I | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Healthy Future Fund - Class I | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class I | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class I | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class I | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Fidelity Advisor Healthy Future Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class Z | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Advisor Women's Leadership Fund - Class Z | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.30% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class Z | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.80% |
| Fidelity Advisor Women's Leadership Fund - Class Z | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Women's Leadership Fund - Class Z | Norway | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Women's Leadership Fund - Class Z | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class Z | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.60% |
| Fidelity Advisor Women's Leadership Fund - Class Z | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Women's Leadership Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 88.70% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | GrandCaymanUKOverseasTerMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 79.70% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class Z | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Healthy Future Fund - Class C | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| Fidelity Advisor Healthy Future Fund - Class C | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Fidelity Advisor Healthy Future Fund - Class C | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Fidelity Advisor Healthy Future Fund - Class C | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Healthy Future Fund - Class C | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Healthy Future Fund - Class C | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class C | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class C | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fidelity Advisor Healthy Future Fund - Class C | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class C | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class C | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.30% |
| Fidelity Advisor Healthy Future Fund - Class C | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| Fidelity Advisor Healthy Future Fund - Class C | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33% |
| Fidelity Advisor Healthy Future Fund - Class C | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Healthy Future Fund - Class C | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Fidelity Advisor Healthy Future Fund - Class C | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Fidelity Advisor Healthy Future Fund - Class C | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.40% |
| Fidelity Advisor Healthy Future Fund - Class C | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class C | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class C | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.70% |
| Fidelity Advisor Healthy Future Fund - Class C | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class C | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Fidelity Advisor Healthy Future Fund - Class C | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class C | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Advisor Healthy Future Fund - Class C | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class C | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Healthy Future Fund - Class C | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class C | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class C | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class C | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Fidelity Advisor Healthy Future Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class A | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class A | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 88.70% |
| Fidelity Advisor Short Duration High Income Fund - Class A | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor Short Duration High Income Fund - Class A | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Short Duration High Income Fund - Class A | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor Short Duration High Income Fund - Class A | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Short Duration High Income Fund - Class A | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class A | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Short Duration High Income Fund - Class A | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Advisor Short Duration High Income Fund - Class A | GrandCaymanUKOverseasTerMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class A | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 79.70% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class A | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class A | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class A | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class A | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class A | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class A | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class A | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor High Income Fund - Class A | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class A | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class A | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class A | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor High Income Fund - Class A | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class A | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor High Income Fund - Class A | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class A | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.90% |
| Fidelity Advisor High Income Fund - Class A | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.40% |
| Fidelity Advisor High Income Fund - Class A | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
| Fidelity Advisor High Income Fund - Class A | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Fidelity Advisor High Income Fund - Class A | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor High Income Fund - Class A | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class A | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 81.70% |
| Fidelity Advisor High Income Fund - Class A | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class A | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor High Income Fund - Class A | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| Fidelity Advisor High Income Fund - Class A | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor High Income Fund - Class A | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class A | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor High Income Fund - Class A | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor High Income Fund - Class A | Tanzania, United Republic of | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor High Income Fund - Class A | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.90% |
| Fidelity Advisor High Income Fund - Class A | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor High Income Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor High Income Fund - Class A | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 86.10% |
| Fidelity Advisor High Income Fund - Class A | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor High Income Fund - Class A | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Advisor High Income Fund - Class A | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor High Income Fund - Class A | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor High Income Fund - Class A | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor High Income Fund - Class A | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class I | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Advisor Women's Leadership Fund - Class I | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Fidelity Advisor Women's Leadership Fund - Class I | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30% |
| Fidelity Advisor Women's Leadership Fund - Class I | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13% |
| Fidelity Advisor Women's Leadership Fund - Class I | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor Women's Leadership Fund - Class I | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Women's Leadership Fund - Class I | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Women's Leadership Fund - Class I | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.30% |
| Fidelity Advisor Women's Leadership Fund - Class I | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Advisor Women's Leadership Fund - Class I | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Fidelity Advisor Women's Leadership Fund - Class I | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Fidelity Advisor Women's Leadership Fund - Class I | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class I | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.80% |
| Fidelity Advisor Women's Leadership Fund - Class I | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class I | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class I | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class I | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class I | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class I | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Women's Leadership Fund - Class I | Norway | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Women's Leadership Fund - Class I | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class I | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.60% |
| Fidelity Advisor Women's Leadership Fund - Class I | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Women's Leadership Fund - Class I | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class C | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Advisor Women's Leadership Fund - Class C | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Fidelity Advisor Women's Leadership Fund - Class C | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30% |
| Fidelity Advisor Women's Leadership Fund - Class C | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13% |
| Fidelity Advisor Women's Leadership Fund - Class C | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor Women's Leadership Fund - Class C | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Women's Leadership Fund - Class C | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Women's Leadership Fund - Class C | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.30% |
| Fidelity Advisor Women's Leadership Fund - Class C | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Advisor Women's Leadership Fund - Class C | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Fidelity Advisor Women's Leadership Fund - Class C | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Fidelity Advisor Women's Leadership Fund - Class C | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class C | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.80% |
| Fidelity Advisor Women's Leadership Fund - Class C | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class C | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class C | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class C | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class C | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class C | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Women's Leadership Fund - Class C | Norway | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Women's Leadership Fund - Class C | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class C | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.60% |
| Fidelity Advisor Women's Leadership Fund - Class C | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Women's Leadership Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Short Duration High Income Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Short Duration High Income Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Short Duration High Income Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Short Duration High Income Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Short Duration High Income Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Short Duration High Income Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Short Duration High Income Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Short Duration High Income Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Short Duration High Income Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Short Duration High Income Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Short Duration High Income Fund | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Short Duration High Income Fund | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Short Duration High Income Fund | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Fidelity Short Duration High Income Fund | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32% |
| Fidelity Short Duration High Income Fund | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.20% |
| Fidelity Short Duration High Income Fund | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| Fidelity Short Duration High Income Fund | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Short Duration High Income Fund | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Short Duration High Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Short Duration High Income Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 88.70% |
| Fidelity Short Duration High Income Fund | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Short Duration High Income Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Short Duration High Income Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Short Duration High Income Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Short Duration High Income Fund | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Short Duration High Income Fund | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Short Duration High Income Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Short Duration High Income Fund | GrandCaymanUKOverseasTerMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Short Duration High Income Fund | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Short Duration High Income Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Short Duration High Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Short Duration High Income Fund | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 79.70% |
| Fidelity Short Duration High Income Fund | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Short Duration High Income Fund | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Short Duration High Income Fund | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Short Duration High Income Fund | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Healthy Future Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| Fidelity Healthy Future Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Fidelity Healthy Future Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Fidelity Healthy Future Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Healthy Future Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Healthy Future Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Healthy Future Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Healthy Future Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fidelity Healthy Future Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Healthy Future Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Healthy Future Fund | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.30% |
| Fidelity Healthy Future Fund | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| Fidelity Healthy Future Fund | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33% |
| Fidelity Healthy Future Fund | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Healthy Future Fund | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Fidelity Healthy Future Fund | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Fidelity Healthy Future Fund | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.40% |
| Fidelity Healthy Future Fund | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Healthy Future Fund | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Healthy Future Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.70% |
| Fidelity Healthy Future Fund | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Healthy Future Fund | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Fidelity Healthy Future Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Healthy Future Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Healthy Future Fund | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Healthy Future Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Healthy Future Fund | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Healthy Future Fund | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Healthy Future Fund | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Healthy Future Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Fidelity Healthy Future Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Capital & Income Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Capital & Income Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Capital & Income Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Capital & Income Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Capital & Income Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Capital & Income Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Capital & Income Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Capital & Income Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Capital & Income Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Capital & Income Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Capital & Income Fund | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Fidelity Capital & Income Fund | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.70% |
| Fidelity Capital & Income Fund | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.50% |
| Fidelity Capital & Income Fund | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.60% |
| Fidelity Capital & Income Fund | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| Fidelity Capital & Income Fund | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.40% |
| Fidelity Capital & Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.70% |
| Fidelity Capital & Income Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 90.90% |
| Fidelity Capital & Income Fund | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Capital & Income Fund | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Capital & Income Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Capital & Income Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Capital & Income Fund | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Capital & Income Fund | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Capital & Income Fund | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Capital & Income Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Capital & Income Fund | Taiwan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Capital & Income Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.70% |
| Fidelity Capital & Income Fund | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0% |
| Fidelity Capital & Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.70% |
| Fidelity Capital & Income Fund | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.70% |
| Fidelity Capital & Income Fund | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.40% |
| Fidelity Capital & Income Fund | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Capital & Income Fund | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Capital & Income Fund | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Healthy Future Fund - Class M | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| Fidelity Advisor Healthy Future Fund - Class M | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Fidelity Advisor Healthy Future Fund - Class M | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Fidelity Advisor Healthy Future Fund - Class M | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Healthy Future Fund - Class M | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Healthy Future Fund - Class M | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class M | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class M | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fidelity Advisor Healthy Future Fund - Class M | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class M | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class M | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.30% |
| Fidelity Advisor Healthy Future Fund - Class M | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| Fidelity Advisor Healthy Future Fund - Class M | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33% |
| Fidelity Advisor Healthy Future Fund - Class M | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Healthy Future Fund - Class M | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Fidelity Advisor Healthy Future Fund - Class M | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Fidelity Advisor Healthy Future Fund - Class M | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.40% |
| Fidelity Advisor Healthy Future Fund - Class M | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class M | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class M | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.70% |
| Fidelity Advisor Healthy Future Fund - Class M | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class M | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Fidelity Advisor Healthy Future Fund - Class M | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class M | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Advisor Healthy Future Fund - Class M | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class M | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Healthy Future Fund - Class M | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class M | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class M | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class M | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Fidelity Advisor Healthy Future Fund - Class M | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class C | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 44.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class C | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 88.70% |
| Fidelity Advisor Short Duration High Income Fund - Class C | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Advisor Short Duration High Income Fund - Class C | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Short Duration High Income Fund - Class C | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Fidelity Advisor Short Duration High Income Fund - Class C | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Short Duration High Income Fund - Class C | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class C | Netherlands | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Short Duration High Income Fund - Class C | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| Fidelity Advisor Short Duration High Income Fund - Class C | GrandCaymanUKOverseasTerMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class C | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.30% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 79.70% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Short Duration High Income Fund - Class C | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Fidelity Advisor Women's Leadership Fund - Class A | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Advisor Women's Leadership Fund - Class A | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Fidelity Advisor Women's Leadership Fund - Class A | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30% |
| Fidelity Advisor Women's Leadership Fund - Class A | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13% |
| Fidelity Advisor Women's Leadership Fund - Class A | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| Fidelity Advisor Women's Leadership Fund - Class A | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.50% |
| Fidelity Advisor Women's Leadership Fund - Class A | Materials Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Women's Leadership Fund - Class A | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.30% |
| Fidelity Advisor Women's Leadership Fund - Class A | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Advisor Women's Leadership Fund - Class A | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.10% |
| Fidelity Advisor Women's Leadership Fund - Class A | Energy Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Fidelity Advisor Women's Leadership Fund - Class A | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class A | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 93.80% |
| Fidelity Advisor Women's Leadership Fund - Class A | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class A | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Advisor Women's Leadership Fund - Class A | Australia | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Advisor Women's Leadership Fund - Class A | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class A | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Advisor Women's Leadership Fund - Class A | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Advisor Women's Leadership Fund - Class A | Norway | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Fidelity Advisor Women's Leadership Fund - Class A | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Women's Leadership Fund - Class A | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.60% |
| Fidelity Advisor Women's Leadership Fund - Class A | AAPreferredStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Advisor Women's Leadership Fund - Class A | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.40% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.80% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class Z | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class Z | MSFinancialsSectorMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.30% |
| Fidelity Advisor Healthy Future Fund - Class Z | Information Technology Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| Fidelity Advisor Healthy Future Fund - Class Z | Healthcare Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33% |
| Fidelity Advisor Healthy Future Fund - Class Z | Real Estate Sector | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Fidelity Advisor Healthy Future Fund - Class Z | Industrial Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Fidelity Advisor Healthy Future Fund - Class Z | Consumer Discretionary Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.50% |
| Fidelity Advisor Healthy Future Fund - Class Z | Consumer Staples Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.40% |
| Fidelity Advisor Healthy Future Fund - Class Z | Communications Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class Z | Utilities Sector Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Advisor Healthy Future Fund - Class Z | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.70% |
| Fidelity Advisor Healthy Future Fund - Class Z | China | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class Z | Belgium | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Fidelity Advisor Healthy Future Fund - Class Z | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class Z | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| Fidelity Advisor Healthy Future Fund - Class Z | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class Z | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Fidelity Advisor Healthy Future Fund - Class Z | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Advisor Healthy Future Fund - Class Z | Hong Kong | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| Fidelity Advisor Healthy Future Fund - Class Z | Japan | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Fidelity Advisor Healthy Future Fund - Class Z | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98% |
| Fidelity Advisor Healthy Future Fund - Class Z | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Series High Income Fund | TH0Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Fidelity Series High Income Fund | TH1Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Series High Income Fund | TH2Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Series High Income Fund | TH3Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Fidelity Series High Income Fund | TH4Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Series High Income Fund | TH5Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Series High Income Fund | TH6Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Fidelity Series High Income Fund | TH7Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Series High Income Fund | TH8Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Series High Income Fund | TH9Member | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Series High Income Fund | QDUSGovernmentandUSGovernmentAgencyObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Series High Income Fund | QDAMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Series High Income Fund | QDBBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| Fidelity Series High Income Fund | QDBBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.40% |
| Fidelity Series High Income Fund | QDBMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 36.60% |
| Fidelity Series High Income Fund | QDCCCCCCMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Fidelity Series High Income Fund | QDNotRatedMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Fidelity Series High Income Fund | QDEquitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.30% |
| Fidelity Series High Income Fund | QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| Fidelity Series High Income Fund | United States | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 85.40% |
| Fidelity Series High Income Fund | Germany | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Series High Income Fund | Italy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Series High Income Fund | Canada | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.50% |
| Fidelity Series High Income Fund | United Kingdom | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Series High Income Fund | France | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Series High Income Fund | Ireland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.70% |
| Fidelity Series High Income Fund | Luxembourg | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.80% |
| Fidelity Series High Income Fund | OtherMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Fidelity Series High Income Fund | Switzerland | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.60% |
| Fidelity Series High Income Fund | AACommonStocksMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Fidelity Series High Income Fund | AAShortTermInvestmentsandNetOtherAssetsLiabilitiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.20% |
| Fidelity Series High Income Fund | AACorporateBondsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 85.80% |
| Fidelity Series High Income Fund | AABankLoanObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Fidelity Series High Income Fund | AAUSTreasuryObligationsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| Fidelity Series High Income Fund | AAPreferredSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.90% |
| Fidelity Series High Income Fund | AAAlternativeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Fidelity Series High Income Fund | AAAssetBackedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Series High Income Fund | AACMOsandOtherMortgageRelatedSecuritiesMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.30% |
| Fidelity Series High Income Fund | AAFixedIncomeFundsMember | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0% |
