| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Pioneer Series Trust XI |
| Entity Central Index Key | 0000078758 |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 6 Months Ended | |
| Jun. 30, 2024 USD ($) Holding | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | Pioneer Series Trust XI | |
| Entity Central Index Key | 0000078758 | |
| Document Period End Date | Jun. 30, 2024 | |
| C000028137 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Pioneer Core Equity Fund | |
| Class Name | Class A | |
| Trading Symbol | PIOTX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Pioneer Core Equity Fund (“Fund”) for | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-225-6292 | |
| Additional Information Website | https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 0.87 % ^ ^ Annualized | |
| Expenses Paid, Amount | $ 45 | |
| Expense Ratio, Percent | 0.87% | [1] |
| Net Assets | $ 1,866,656,437 | |
| Holdings Count | Holding | 48 | [2] |
| Investment Company Portfolio Turnover | 18% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS Fund net assets $ % Total number of portfolio holdings $ % ^^ Portfolio turnover rate $ % ^^ Short-term investments and derivative contracts other than purchased options are not included. | |
| Holdings [Text Block] | SECTOR DISTRIBUTION * Information Technology 26.9 % Financials 14.6 % Health Care 10.8 % Consumer Discretionary 10.2 % Communication Services 9.8 % Industrials 7.9 % Consumer Staples 5.6 % Energy 5.4 % Materials 3.9 % Real Estate 2.5 % Utilities 2.4 % * As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased. | |
| Material Fund Change [Text Block] | Material Fund Changes Amundi Asset Management US, Inc. (the “Adviser”), the Fund’s investment adviser, is currently an indirect, wholly-owned subsidiary of Amundi. The closing of the Transaction would cause the Fund’s current investment advisory agreement with the Adviser to terminate. This is a summary of certain planned changes to the Fund. https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Updated Prospectus Phone Number | 1-800-225-6292 | |
| Updated Prospectus Web Address | https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants On March 25, 2024, Ernst & Young LLP (the “Prior Auditor”) resigned as the independent registered public accounting firm of the Fund. There were no disagreements with the Prior Auditor during the two most recent fiscal years and the subsequent interim period through March 25, 2024. On March 25, 2024, the Audit Committee of the Board approved, and on March 25, 2024, the Board approved, Deloitte & Touche LLP as the independent registered accounting firm of the Fund for fiscal periods ending after March 25, 2024. | |
| C000028139 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Pioneer Core Equity Fund | |
| Class Name | Class C | |
| Trading Symbol | PCOTX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Pioneer Core Equity Fund (“Fund”) for | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-225-6292 | |
| Additional Information Website | https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 1.66 % ^ ^ Annualized | |
| Expenses Paid, Amount | $ 85 | |
| Expense Ratio, Percent | 1.66% | [3] |
| Net Assets | $ 1,866,656,437 | |
| Holdings Count | Holding | 48 | [4] |
| Investment Company Portfolio Turnover | 18% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS Fund net assets $ % Total number of portfolio holdings $ % ^^ Portfolio turnover rate $ % ^^ Short-term investments and derivative contracts other than purchased options are not included. | |
| Holdings [Text Block] | SECTOR DISTRIBUTION * Information Technology 26.9 % Financials 14.6 % Health Care 10.8 % Consumer Discretionary 10.2 % Communication Services 9.8 % Industrials 7.9 % Consumer Staples 5.6 % Energy 5.4 % Materials 3.9 % Real Estate 2.5 % Utilities 2.4 % * As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased. | |
| Material Fund Change [Text Block] | Material Fund Changes Amundi Asset Management US, Inc. (the “Adviser”), the Fund’s investment adviser, is currently an indirect, wholly-owned subsidiary of Amundi. The closing of the Transaction would cause the Fund’s current investment advisory agreement with the Adviser to terminate. This is a summary of certain planned changes to the Fund. https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Updated Prospectus Phone Number | 1-800-225-6292 | |
| Updated Prospectus Web Address | https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants On March 25, 2024, Ernst & Young LLP (the “Prior Auditor”) resigned as the independent registered public accounting firm of the Fund. There were no disagreements with the Prior Auditor during the two most recent fiscal years and the subsequent interim period through March 25, 2024. On March 25, 2024, the Audit Committee of the Board approved, and on March 25, 2024, the Board approved, Deloitte & Touche LLP as the independent registered accounting firm of the Fund for fiscal periods ending after March 25, 2024. | |
| C000202493 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Pioneer Core Equity Fund | |
| Class Name | Class K | |
| Trading Symbol | PCEKX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Pioneer Core Equity Fund (“Fund”) for | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-225-6292 | |
| Additional Information Website | https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class K $ 0.57 % ^ ^ Annualized | |
| Expenses Paid, Amount | $ 29 | |
| Expense Ratio, Percent | 0.57% | [5] |
| Net Assets | $ 1,866,656,437 | |
| Holdings Count | Holding | 48 | [6] |
| Investment Company Portfolio Turnover | 18% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS Fund net assets $ % Total number of portfolio holdings $ % ^^ Portfolio turnover rate $ % ^^ Short-term investments and derivative contracts other than purchased options are not included. | |
| Holdings [Text Block] | SECTOR DISTRIBUTION * Information Technology 26.9 % Financials 14.6 % Health Care 10.8 % Consumer Discretionary 10.2 % Communication Services 9.8 % Industrials 7.9 % Consumer Staples 5.6 % Energy 5.4 % Materials 3.9 % Real Estate 2.5 % Utilities 2.4 % * As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased. | |
| Material Fund Change [Text Block] | Material Fund Changes Amundi Asset Management US, Inc. (the “Adviser”), the Fund’s investment adviser, is currently an indirect, wholly-owned subsidiary of Amundi. The closing of the Transaction would cause the Fund’s current investment advisory agreement with the Adviser to terminate. This is a summary of certain planned changes to the Fund. https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Updated Prospectus Phone Number | 1-800-225-6292 | |
| Updated Prospectus Web Address | https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants On March 25, 2024, Ernst & Young LLP (the “Prior Auditor”) resigned as the independent registered public accounting firm of the Fund. There were no disagreements with the Prior Auditor during the two most recent fiscal years and the subsequent interim period through March 25, 2024. On March 25, 2024, the Audit Committee of the Board approved, and on March 25, 2024, the Board approved, Deloitte & Touche LLP as the independent registered accounting firm of the Fund for fiscal periods ending after March 25, 2024. | |
| C000203260 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Pioneer Core Equity Fund | |
| Class Name | Class R | |
| Trading Symbol | CERPX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Pioneer Core Equity Fund (“Fund”) for | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-225-6292 | |
| Additional Information Website | https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class R $ 1.15 % ^ ^ Annualized | |
| Expenses Paid, Amount | $ 59 | |
| Expense Ratio, Percent | 1.15% | [7] |
| Net Assets | $ 1,866,656,437 | |
| Holdings Count | Holding | 48 | [8] |
| Investment Company Portfolio Turnover | 18% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS Fund net assets $ % Total number of portfolio holdings $ % ^^ Portfolio turnover rate $ % ^^ Short-term investments and derivative contracts other than purchased options are not included. | |
| Holdings [Text Block] | SECTOR DISTRIBUTION * Information Technology 26.9 % Financials 14.6 % Health Care 10.8 % Consumer Discretionary 10.2 % Communication Services 9.8 % Industrials 7.9 % Consumer Staples 5.6 % Energy 5.4 % Materials 3.9 % Real Estate 2.5 % Utilities 2.4 % * As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased. | |
| Material Fund Change [Text Block] | Material Fund Changes Amundi Asset Management US, Inc. (the “Adviser”), the Fund’s investment adviser, is currently an indirect, wholly-owned subsidiary of Amundi. The closing of the Transaction would cause the Fund’s current investment advisory agreement with the Adviser to terminate. This is a summary of certain planned changes to the Fund. https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Updated Prospectus Phone Number | 1-800-225-6292 | |
| Updated Prospectus Web Address | https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants On March 25, 2024, Ernst & Young LLP (the “Prior Auditor”) resigned as the independent registered public accounting firm of the Fund. There were no disagreements with the Prior Auditor during the two most recent fiscal years and the subsequent interim period through March 25, 2024. On March 25, 2024, the Audit Committee of the Board approved, and on March 25, 2024, the Board approved, Deloitte & Touche LLP as the independent registered accounting firm of the Fund for fiscal periods ending after March 25, 2024. | |
| C000028140 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Pioneer Core Equity Fund | |
| Class Name | Class Y | |
| Trading Symbol | PVFYX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Pioneer Core Equity Fund (“Fund”) for | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |
| Additional Information Phone Number | 1-800-225-6292 | |
| Additional Information Website | https://www.amundi.com/usinvestors/Resources/Shareholder-Reports | |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) Class Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class Y $ 0.68 % ^ ^ Annualized | |
| Expenses Paid, Amount | $ 35 | |
| Expense Ratio, Percent | 0.68% | [9] |
| Net Assets | $ 1,866,656,437 | |
| Holdings Count | Holding | 48 | [10] |
| Investment Company Portfolio Turnover | 18% | |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS Fund net assets $ % Total number of portfolio holdings $ % ^^ Portfolio turnover rate $ % ^^ Short-term investments and derivative contracts other than purchased options are not included. | |
| Holdings [Text Block] | SECTOR DISTRIBUTION * Information Technology 26.9 % Financials 14.6 % Health Care 10.8 % Consumer Discretionary 10.2 % Communication Services 9.8 % Industrials 7.9 % Consumer Staples 5.6 % Energy 5.4 % Materials 3.9 % Real Estate 2.5 % Utilities 2.4 % * As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased. | |
| Material Fund Change [Text Block] | Material Fund Changes Amundi Asset Management US, Inc. (the “Adviser”), the Fund’s investment adviser, is currently an indirect, wholly-owned subsidiary of Amundi. The closing of the Transaction would cause the Fund’s current investment advisory agreement with the Adviser to terminate. This is a summary of certain planned changes to the Fund. https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Updated Prospectus Phone Number | 1-800-225-6292 | |
| Updated Prospectus Web Address | https://www.amundi.com/usinvestors/Products/Mutual-Funds | |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants On March 25, 2024, Ernst & Young LLP (the “Prior Auditor”) resigned as the independent registered public accounting firm of the Fund. There were no disagreements with the Prior Auditor during the two most recent fiscal years and the subsequent interim period through March 25, 2024. On March 25, 2024, the Audit Committee of the Board approved, and on March 25, 2024, the Board approved, Deloitte & Touche LLP as the independent registered accounting firm of the Fund for fiscal periods ending after March 25, 2024. | |
| [1]Annualized[2]Short-term investments and derivative contracts other than purchased options are not included.[3]Annualized[4]Short-term investments and derivative contracts other than purchased options are not included.[5]Annualized[6]Short-term investments and derivative contracts other than purchased options are not included.[7]Annualized[8]Short-term investments and derivative contracts other than purchased options are not included.[9]Annualized[10]Short-term investments and derivative contracts other than purchased options are not included. | ||
| Shareholder Report, Holdings (Details) | Jun. 30, 2024 | |
| C000028137 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.40% | [1] |
| C000028137 [Member] | Healthcare Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.80% | [1] |
| C000028137 [Member] | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | [1] |
| C000028137 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.80% | [1] |
| C000028137 [Member] | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | [1] |
| C000028137 [Member] | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [1] |
| C000028137 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.90% | [1] |
| C000028137 [Member] | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.90% | [1] |
| C000028137 [Member] | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | [1] |
| C000028137 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | [1] |
| C000028137 [Member] | Financials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.60% | [1] |
| C000028139 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.40% | [2] |
| C000028139 [Member] | Healthcare Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.80% | [2] |
| C000028139 [Member] | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | [2] |
| C000028139 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.80% | [2] |
| C000028139 [Member] | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | [2] |
| C000028139 [Member] | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [2] |
| C000028139 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.90% | [2] |
| C000028139 [Member] | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.90% | [2] |
| C000028139 [Member] | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | [2] |
| C000028139 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | [2] |
| C000028139 [Member] | Financials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.60% | [2] |
| C000202493 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.40% | [3] |
| C000202493 [Member] | Healthcare Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.80% | [3] |
| C000202493 [Member] | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | [3] |
| C000202493 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.80% | [3] |
| C000202493 [Member] | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | [3] |
| C000202493 [Member] | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [3] |
| C000202493 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.90% | [3] |
| C000202493 [Member] | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.90% | [3] |
| C000202493 [Member] | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | [3] |
| C000202493 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | [3] |
| C000202493 [Member] | Financials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.60% | [3] |
| C000203260 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.40% | [4] |
| C000203260 [Member] | Healthcare Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.80% | [4] |
| C000203260 [Member] | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | [4] |
| C000203260 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.80% | [4] |
| C000203260 [Member] | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | [4] |
| C000203260 [Member] | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [4] |
| C000203260 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.90% | [4] |
| C000203260 [Member] | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.90% | [4] |
| C000203260 [Member] | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | [4] |
| C000203260 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | [4] |
| C000203260 [Member] | Financials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.60% | [4] |
| C000028140 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.40% | [5] |
| C000028140 [Member] | Healthcare Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.80% | [5] |
| C000028140 [Member] | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | [5] |
| C000028140 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.80% | [5] |
| C000028140 [Member] | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | [5] |
| C000028140 [Member] | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [5] |
| C000028140 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.90% | [5] |
| C000028140 [Member] | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.90% | [5] |
| C000028140 [Member] | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | [5] |
| C000028140 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | [5] |
| C000028140 [Member] | Financials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.60% | [5] |
| [1]As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased.[2]As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased.[3]As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased.[4]As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased.[5]As a percentage of total investments excluding short-term investments and all derivative contracts except for options purchased. | ||
