| Form N-CSR Cover | 6 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | BlackRock Unconstrained Equity Fund |
| Entity Central Index Key | 0001324285 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Shareholder Report | 6 Months Ended | |
| Oct. 31, 2024 USD ($) Holding | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | BlackRock Unconstrained Equity Fund | |
| Entity Central Index Key | 0001324285 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Oct. 31, 2024 | |
| C000007415 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BlackRock Unconstrained Equity Fund | |
| Class Name | Institutional Shares | |
| Trading Symbol | MAEGX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BlackRock Unconstrained Equity Fund (the “Fund”) for the period of 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 blackrock.com/fundreports | |
| Additional Information Phone Number | (800) 441‑7762 | |
| Additional Information Website | blackrock.com/fundreports | |
| 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 Costs paid as a percentage of a Institutional Shares $ 0.93 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 47 | |
| Expense Ratio, Percent | 0.93% | [1] |
| Performance Past Does Not Indicate Future [Text] | Past performance is not an indication of future results. | |
| Average Annual Return [Table Text Block] | Average annual total returns 6-Month 1 Year 5 Years 10 Years Institutional Shares 1.17 % 23.90 % 11.70 % 9.30 % MSCI World Index 11.13 33.68 12.03 9.78 | |
| No Deduction of Taxes [Text Block] | Performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |
| Updated Performance Information Location [Text Block] | Visit blackrock.com | |
| Net Assets | $ 1,353,308,565 | |
| Holdings Count | Holding | 24 | |
| Investment Company Portfolio Turnover | 22% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 24 Portfolio Turnover Rate 22 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Geographic allocation Country/Geographic Region Percent of United States 73.5 % Denmark 8.5 % France 7.4 % Netherlands 6.8 % Italy 3.5 % United Kingdom 0.8 % Liabilities in Excess of Other Assets (0.5 ) % Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| Largest Holdings [Text Block] | Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| C000007412 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BlackRock Unconstrained Equity Fund | |
| Class Name | Investor A Shares | |
| Trading Symbol | MDEGX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BlackRock Unconstrained Equity Fund (the “Fund”) for the period of 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 blackrock.com/fundreports | |
| Additional Information Phone Number | (800) 441‑7762 | |
| Additional Information Website | blackrock.com/fundreports | |
| 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 Costs paid as a percentage of a Investor A Shares $ 1.16 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 59 | |
| Expense Ratio, Percent | 1.16% | [2] |
| Performance Past Does Not Indicate Future [Text] | Past performance is not an indication of future results. | |
| Average Annual Return [Table Text Block] | Average annual total returns 6-Month 1 Year 5 Years 10 Years Investor A Shares 1.11 % 23.76 % 11.43 % 9.03 % Investor A Shares (with sales charge) (4.20 ) 17.26 10.23 8.44 MSCI World Index 11.13 33.68 12.03 9.78 | |
| No Deduction of Taxes [Text Block] | Performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |
| Updated Performance Information Location [Text Block] | Visit blackrock.com | |
| Net Assets | $ 1,353,308,565 | |
| Holdings Count | Holding | 24 | |
| Investment Company Portfolio Turnover | 22% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 24 Portfolio Turnover Rate 22 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Geographic allocation Country/Geographic Region Percent of United States 73.5 % Denmark 8.5 % France 7.4 % Netherlands 6.8 % Italy 3.5 % United Kingdom 0.8 % Liabilities in Excess of Other Assets (0.5 ) % Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| Largest Holdings [Text Block] | Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| C000007414 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BlackRock Unconstrained Equity Fund | |
| Class Name | Investor C Shares | |
| Trading Symbol | MCEGX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BlackRock Unconstrained Equity Fund (the “Fund”) for the period of 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 blackrock.com/fundreports | |
| Additional Information Phone Number | (800) 441‑7762 | |
| Additional Information Website | blackrock.com/fundreports | |
| 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 Costs paid as a percentage of a Investor C Shares $ 1.95 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 99 | |
| Expense Ratio, Percent | 1.95% | [3] |
| Performance Past Does Not Indicate Future [Text] | Past performance is not an indication of future results. | |
| Average Annual Return [Table Text Block] | Average annual total returns 6-Month 1 Year 5 Years 10 Years Investor C Shares 0.67 % 22.72 % 10.51 % 8.34 % Investor C Shares (with sales charge) (0.34 ) 21.72 10.51 8.34 MSCI World Index 11.13 33.68 12.03 9.78 | |
| No Deduction of Taxes [Text Block] | Performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |
| Updated Performance Information Location [Text Block] | Visit blackrock.com | |
| Net Assets | $ 1,353,308,565 | |
| Holdings Count | Holding | 24 | |
| Investment Company Portfolio Turnover | 22% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 24 Portfolio Turnover Rate 22 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Geographic allocation Country/Geographic Region Percent of United States 73.5 % Denmark 8.5 % France 7.4 % Netherlands 6.8 % Italy 3.5 % United Kingdom 0.8 % Liabilities in Excess of Other Assets (0.5 ) % Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| Largest Holdings [Text Block] | Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| C000250247 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BlackRock Unconstrained Equity Fund | |
| Class Name | Class K Shares | |
| Trading Symbol | MKEAX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BlackRock Unconstrained Equity Fund (the “Fund”) for the period of 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 blackrock.com/fundreports | |
| Additional Information Phone Number | (800) 441‑7762 | |
| Additional Information Website | blackrock.com/fundreports | |
| 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 Costs paid as a percentage of a Class K Shares $ 0.84 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 39 | |
| Expense Ratio, Percent | 0.84% | [4] |
| Performance Past Does Not Indicate Future [Text] | Past performance is not an indication of future results. | |
| Average Annual Return [Table Text Block] | Average annual total returns 6-Month 1 Year 5 Years 10 Years Class K Shares 1.25 % 23.99 % 11.71 % 9.31 % MSCI World Index 11.13 33.68 12.03 9.78 | |
| Performance Inception Date | May 14, 2024 | |
| No Deduction of Taxes [Text Block] | Performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |
| Updated Performance Information Location [Text Block] | Visit blackrock.com | |
| Net Assets | $ 1,353,308,565 | |
| Holdings Count | Holding | 24 | |
| Investment Company Portfolio Turnover | 22% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 24 Portfolio Turnover Rate 22 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Geographic allocation Country/Geographic Region Percent of United States 73.5 % Denmark 8.5 % France 7.4 % Netherlands 6.8 % Italy 3.5 % United Kingdom 0.8 % Liabilities in Excess of Other Assets (0.5 ) % Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| Largest Holdings [Text Block] | Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| C000047292 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | BlackRock Unconstrained Equity Fund | |
| Class Name | Class R Shares | |
| Trading Symbol | MREGX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about BlackRock Unconstrained Equity Fund (the “Fund”) for the period of 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 blackrock.com/fundreports | |
| Additional Information Phone Number | (800) 441‑7762 | |
| Additional Information Website | blackrock.com/fundreports | |
| 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 Costs paid as a percentage of a Class R Shares $ 1.45 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 73 | |
| Expense Ratio, Percent | 1.45% | [5] |
| Performance Past Does Not Indicate Future [Text] | Past performance is not an indication of future results. | |
| Average Annual Return [Table Text Block] | Average annual total returns 6-Month 1 Year 5 Years 10 Years Class R Shares 0.95 % 23.31 % 11.07 % 8.62 % MSCI World Index 11.13 33.68 12.03 9.78 | |
| No Deduction of Taxes [Text Block] | Performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or on the redemption or sale of fund shares. | |
| Updated Performance Information Location [Text Block] | Visit blackrock.com | |
| Net Assets | $ 1,353,308,565 | |
| Holdings Count | Holding | 24 | |
| Investment Company Portfolio Turnover | 22% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 24 Portfolio Turnover Rate 22 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Geographic allocation Country/Geographic Region Percent of United States 73.5 % Denmark 8.5 % France 7.4 % Netherlands 6.8 % Italy 3.5 % United Kingdom 0.8 % Liabilities in Excess of Other Assets (0.5 ) % Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| Largest Holdings [Text Block] | Ten largest holdings Security (a) Percent of Microsoft Corp. 9.5 % Novo Nordisk A/S, Class B 8.5 % ASML Holding NV 6.8 % Meta Platforms, Inc., Class A 5.6 % S&P Global, Inc. 5.5 % Masimo Corp. 5.0 % Visa, Inc., Class A 5.0 % Mastercard, Inc., Class A 4.9 % Cadence Design Systems, Inc. 4.9 % Alphabet, Inc., Class C 4.7 % (a) Excludes short-term securities. | |
| [1]Annualized.[2]Annualized.[3]Annualized.[4]Annualized.[5]Annualized. | ||
| Shareholder Report, Line Graph (Details) | 6 Months Ended | 12 Months Ended | 60 Months Ended | 120 Months Ended |
| Oct. 31, 2024 | Oct. 31, 2024 | Oct. 31, 2024 | Oct. 31, 2024 | |
| C000007415 [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Institutional Shares | |||
| Average Annual Return, Percent | 1.17% | 23.90% | 11.70% | 9.30% |
| C000007412 [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Investor A Shares (with sales charge) | |||
| Average Annual Return, Percent | (4.20%) | 17.26% | 10.23% | 8.44% |
| C000007412 [Member] | Without Sales Load [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Investor A Shares | |||
| Average Annual Return, Percent | 1.11% | 23.76% | 11.43% | 9.03% |
| C000007414 [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Investor C Shares (with sales charge) | |||
| Average Annual Return, Percent | (0.34%) | 21.72% | 10.51% | 8.34% |
| C000007414 [Member] | Without Sales Load [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Investor C Shares | |||
| Average Annual Return, Percent | 0.67% | 22.72% | 10.51% | 8.34% |
| C000250247 [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Class K Shares | |||
| Average Annual Return, Percent | 1.25% | 23.99% | 11.71% | 9.31% |
| C000047292 [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Class R Shares | |||
| Average Annual Return, Percent | 0.95% | 23.31% | 11.07% | 8.62% |
| MSCI World Index [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | MSCI World Index | |||
| Average Annual Return, Percent | 11.13% | 33.68% | 12.03% | 9.78% |
| Shareholder Report, Holdings (Details) | Oct. 31, 2024 | |
| C000007415 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | [1] |
| C000007415 [Member] | Novo Nordisk A S Class B [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | [1] |
| C000007415 [Member] | ASML Holding NV [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | [1] |
| C000007415 [Member] | Meta Platforms Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.60% | [1] |
| C000007415 [Member] | S And P Global Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.50% | [1] |
| C000007415 [Member] | Masimo Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [1] |
| C000007415 [Member] | Visa Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [1] |
| C000007415 [Member] | Mastercard Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [1] |
| C000007415 [Member] | Cadence Design Systems Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [1] |
| C000007415 [Member] | Alphabet Inc Class C [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.70% | [1] |
| C000007415 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 73.50% | |
| C000007415 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| C000007415 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.40% | |
| C000007415 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | |
| C000007415 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.50% | |
| C000007415 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| C000007415 [Member] | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.50%) | |
| C000007412 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | [2] |
| C000007412 [Member] | Novo Nordisk A S Class B [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | [2] |
| C000007412 [Member] | ASML Holding NV [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | [2] |
| C000007412 [Member] | Meta Platforms Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.60% | [2] |
| C000007412 [Member] | S And P Global Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.50% | [2] |
| C000007412 [Member] | Masimo Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [2] |
| C000007412 [Member] | Visa Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [2] |
| C000007412 [Member] | Mastercard Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [2] |
| C000007412 [Member] | Cadence Design Systems Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [2] |
| C000007412 [Member] | Alphabet Inc Class C [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.70% | [2] |
| C000007412 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 73.50% | |
| C000007412 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| C000007412 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.40% | |
| C000007412 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | |
| C000007412 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.50% | |
| C000007412 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| C000007412 [Member] | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.50%) | |
| C000007414 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | [3] |
| C000007414 [Member] | Novo Nordisk A S Class B [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | [3] |
| C000007414 [Member] | ASML Holding NV [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | [3] |
| C000007414 [Member] | Meta Platforms Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.60% | [3] |
| C000007414 [Member] | S And P Global Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.50% | [3] |
| C000007414 [Member] | Masimo Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [3] |
| C000007414 [Member] | Visa Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [3] |
| C000007414 [Member] | Mastercard Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [3] |
| C000007414 [Member] | Cadence Design Systems Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [3] |
| C000007414 [Member] | Alphabet Inc Class C [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.70% | [3] |
| C000007414 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 73.50% | |
| C000007414 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| C000007414 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.40% | |
| C000007414 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | |
| C000007414 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.50% | |
| C000007414 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| C000007414 [Member] | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.50%) | |
| C000250247 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | [4] |
| C000250247 [Member] | Novo Nordisk A S Class B [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | [4] |
| C000250247 [Member] | ASML Holding NV [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | [4] |
| C000250247 [Member] | Meta Platforms Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.60% | [4] |
| C000250247 [Member] | S And P Global Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.50% | [4] |
| C000250247 [Member] | Masimo Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [4] |
| C000250247 [Member] | Visa Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [4] |
| C000250247 [Member] | Mastercard Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [4] |
| C000250247 [Member] | Cadence Design Systems Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [4] |
| C000250247 [Member] | Alphabet Inc Class C [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.70% | [4] |
| C000250247 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 73.50% | |
| C000250247 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| C000250247 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.40% | |
| C000250247 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | |
| C000250247 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.50% | |
| C000250247 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| C000250247 [Member] | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.50%) | |
| C000047292 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9.50% | [5] |
| C000047292 [Member] | Novo Nordisk A S Class B [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | [5] |
| C000047292 [Member] | ASML Holding NV [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | [5] |
| C000047292 [Member] | Meta Platforms Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.60% | [5] |
| C000047292 [Member] | S And P Global Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.50% | [5] |
| C000047292 [Member] | Masimo Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [5] |
| C000047292 [Member] | Visa Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5% | [5] |
| C000047292 [Member] | Mastercard Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [5] |
| C000047292 [Member] | Cadence Design Systems Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.90% | [5] |
| C000047292 [Member] | Alphabet Inc Class C [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.70% | [5] |
| C000047292 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 73.50% | |
| C000047292 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 8.50% | |
| C000047292 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.40% | |
| C000047292 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.80% | |
| C000047292 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.50% | |
| C000047292 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 0.80% | |
| C000047292 [Member] | Liabilities in Excess of Other Assets [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | (0.50%) | |
| [1]Excludes short-term securities.[2]Excludes short-term securities.[3]Excludes short-term securities.[4]Excludes short-term securities.[5]Excludes short-term securities. | ||
