| Form N-CSR Cover | 6 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | iShares Trust |
| Entity Central Index Key | 0001100663 |
| 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 | iShares Trust | |
| Entity Central Index Key | 0001100663 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Oct. 31, 2024 | |
| C000049094 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | iShares International Select Dividend ETF | |
| Class Name | iShares International Select Dividend ETF | |
| Trading Symbol | IDV | |
| Security Exchange Name | CboeBZX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about iShares International Select Dividend ETF (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 | 1‑800‑iShares (1‑800‑474‑2737) | |
| 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) Fund name Costs of a $10,000 Costs paid as a percentage of a iShares International Select Dividend ETF $ 0.50 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 26 | |
| Expense Ratio, Percent | 0.50% | [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 Fund NAV 7.35 % 23.37 % 4.54 % 3.60 % S&P Developed ex US Broad Market Index 4.62 21.21 (3.26 ) 1.06 Dow Jones EPAC Select Dividend Index TM 6.54 23.82 4.38 3.59 | |
| 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 iShares.com | |
| Net Assets | $ 4,150,821,972 | |
| Holdings Count | Holding | 106 | |
| Investment Company Portfolio Turnover | 4% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 106 Portfolio Turnover Rate 4 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Sector allocation Sector Percent of Total (a) Financials 32.5 % Utilities 16.8 % Communication Services 11.8 % Materials 9.1 % Energy 7.9 % Consumer Staples 7.7 % Consumer Discretionary 6.3 % Industrials 5.6 % Real Estate 1.8 % Information Technology 0.5 % Geographic allocation Country/Geographic Region Percent of Total (a) United Kingdom 24.4 % Italy 10.6 % Spain 9.3 % Canada 8.1 % France 7.5 % Hong Kong 6.8 % Australia 6.7 % Germany 6.0 % South Korea 4.4 % Netherlands 4.2 % Other # 12.0 % (a) Excludes money market funds. # Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other. | |
| C000050169 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | iShares International Developed Real Estate ETF | |
| Class Name | iShares International Developed Real Estate ETF | |
| Trading Symbol | IFGL | |
| Security Exchange Name | NASDAQ | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about iShares International Developed Real Estate ETF (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 | 1‑800‑iShares (1‑800‑474‑2737) | |
| 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) Fund name Costs of a $10,000 Costs paid as a percentage of a iShares International Developed Real Estate ETF $ 0.48 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 25 | |
| Expense Ratio, Percent | 0.48% | [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 Fund NAV 5.44 % 19.18 % (4.14 ) % 0.25 % FTSE All World ex-US Index 5.67 24.32 6.03 5.00 FTSE EPRA Nareit Developed ex US Index 4.80 19.47 (4.09 ) 0.39 | |
| 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 iShares.com | |
| Net Assets | $ 96,138,288 | |
| Holdings Count | Holding | 267 | |
| Investment Company Portfolio Turnover | 6% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 267 Portfolio Turnover Rate 6 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Industry allocation Industry Percent of Total (a) Real Estate Operating Companies 19.8 % Industrial REITs 18.2 % Retail REITs 16.0 % Diversified REITs 13.5 % Diversified Real Estate Activities 12.8 % Office REITs 7.5 % Multi-Family Residential REITs 4.3 % Health Care REITs 1.9 % Hotel & Resort REITs 1.5 % Self Storage REITs 1.4 % Other* 3.1 % Geographic allocation Country/Geographic Region Percent of Total (a) Japan 23.5 % Australia 18.2 % United Kingdom 11.1 % Singapore 8.3 % Hong Kong 7.3 % Canada 6.1 % Germany 5.9 % Sweden 5.2 % France 4.4 % Switzerland 3.2 % (a) Excludes money market funds. * Ten largest industries are presented. Additional industries are found in Other. | |
| C000065074 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | iShares Global Clean Energy ETF | |
| Class Name | iShares Global Clean Energy ETF | |
| Trading Symbol | ICLN | |
| Security Exchange Name | NASDAQ | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about iShares Global Clean Energy ETF (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 | 1‑800‑iShares (1‑800‑474‑2737) | |
| 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) Fund name Costs of a $10,000 Costs paid as a percentage of a iShares Global Clean Energy ETF $ 0.39 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 20 | |
| Expense Ratio, Percent | 0.39% | [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 Fund NAV (0.42 ) % 2.13 % 5.34 % 4.28 % S&P Global Broad Market Index 10.50 32.18 10.49 8.72 S&P Global Clean Energy Index TM (0.77 ) 2.29 5.48 4.01 | |
| 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 iShares.com | |
| Net Assets | $ 1,905,192,921 | |
| Holdings Count | Holding | 105 | |
| Investment Company Portfolio Turnover | 22% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 105 Portfolio Turnover Rate 22 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Industry allocation Industry Percent of Total (a) Electric Utilities 34.0 % Renewable Electricity 26.5 % Heavy Electrical Equipment 11.8 % Semiconductors 10.2 % Electrical Components & Equipment 7.5 % Semiconductor Materials & Equipment 6.8 % Construction & Engineering 1.2 % Commodity Chemicals 0.6 % Steel 0.6 % Independent Power Producers & Energy Traders 0.4 % Other* 0.4 % Geographic allocation Country/Geographic Region Percent of Total (a) United States 23.7 % China 12.0 % Brazil 10.3 % Denmark 8.7 % Spain 7.1 % United Kingdom 6.2 % India 6.1 % Portugal 5.3 % Canada 4.1 % Japan 4.0 % Other # 12.5 % (a) Excludes money market funds. * Ten largest industries are presented. Additional industries are found in Other. # Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other. | |
| C000141932 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | iShares Global REIT ETF | |
| Class Name | iShares Global REIT ETF | |
| Trading Symbol | REET | |
| Security Exchange Name | NYSEArca | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about iShares Global REIT ETF (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 | 1‑800‑iShares (1‑800‑474‑2737) | |
| 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) Fund name Costs of a $10,000 Costs paid as a percentage of a iShares Global REIT ETF $ 0.14 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 8 | |
| Expense Ratio, Percent | 0.14% | [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 Fund NAV 16.80 % 30.12 % 1.02 % 3.95 % FTSE All-World Index 10.79 32.47 11.02 9.04 FTSE EPRA Nareit Global REITs Index 16.05 29.21 0.25 3.16 | |
| 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 iShares.com | |
| Net Assets | $ 3,852,102,240 | |
| Holdings Count | Holding | 349 | |
| Investment Company Portfolio Turnover | 5% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 349 Portfolio Turnover Rate 5 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Industry allocation Industry Percent of Total (a) Retail REITs 18.9 % Industrial REITs 17.3 % Health Care REITs 11.9 % Multi-Family Residential REITs 9.7 % Data Center REITs 9.1 % Diversified REITs 7.7 % Self Storage REITs 6.8 % Office REITs 6.3 % Other Specialized REITs 5.6 % Single-Family Residential REITs 3.8 % Other* 2.9 % Geographic allocation Country/Geographic Region Percent of Total (a) United States 72.7 % Australia 6.6 % Japan 5.3 % United Kingdom 4.2 % Singapore 2.8 % Canada 2.2 % France 1.7 % Belgium 0.9 % Hong Kong 0.8 % Mexico 0.5 % (a) Excludes money market funds. * Ten largest industries are presented. Additional industries are found in Other. | |
| C000237280 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | iShares Environmentally Aware Real Estate ETF | |
| Class Name | iShares Environmentally Aware Real Estate ETF | |
| Trading Symbol | ERET | |
| Security Exchange Name | NASDAQ | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about iShares Environmentally Aware Real Estate ETF (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 | 1‑800‑iShares (1‑800‑474‑2737) | |
| 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) Fund name Costs of a $10,000 Costs paid as a percentage of a iShares Environmentally Aware Real Estate ETF $ 0.30 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 16 | |
| Expense Ratio, Percent | 0.30% | [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 Since Fund Fund NAV 14.70 % 27.89 % 7.55 % FTSE All-World Index 10.79 32.47 17.96 FTSE EPRA Nareit Developed Green Target Index 14.06 27.46 7.03 | |
| Performance Inception Date | Nov. 15, 2022 | |
| 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 iShares.com | |
| Net Assets | $ 9,826,785 | |
| Holdings Count | Holding | 360 | |
| Investment Company Portfolio Turnover | 24% | |
| Additional Fund Statistics [Text Block] | Key Fund statistics Net Assets $ Number of Portfolio Holdings 360 Portfolio Turnover Rate 24 % | |
| Holdings [Text Block] | What did the Fund invest in? (as of October 31, 2024) Industry allocation Industry Percent of Total (a) Retail REITs 18.1 % Industrial REITs 13.9 % Health Care REITs 9.5 % Multi-Family Residential REITs 9.1 % Real Estate Operating Companies 7.5 % Office REITs 7.1 % Data Center REITs 6.8 % Self Storage REITs 6.8 % Diversified REITs 6.0 % Diversified Real Estate Activities 4.5 % Other* 10.7 % Geographic allocation Country/Geographic Region Percent of Total (a) United States 64.6 % Japan 8.3 % Australia 5.3 % United Kingdom 4.3 % Singapore 3.0 % Hong Kong 2.7 % Sweden 2.2 % Germany 2.1 % Canada 2.0 % France 1.9 % (a) Excludes money market funds. * Ten largest industries are presented. Additional industries are found in Other. | |
| [1]Annualized.[2]Annualized.[3]Annualized.[4]Annualized.[5]Annualized. | ||
| Shareholder Report, Line Graph (Details) | 6 Months Ended | 12 Months Ended | 24 Months Ended | 60 Months Ended | 120 Months Ended |
| Oct. 31, 2024 | Oct. 31, 2024 | Oct. 31, 2024 | Oct. 31, 2024 | Oct. 31, 2024 | |
| C000049094 [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Fund NAV | ||||
| Average Annual Return, Percent | 7.35% | 23.37% | 4.54% | 3.60% | |
| C000050169 [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Fund NAV | ||||
| Average Annual Return, Percent | 5.44% | 19.18% | (4.14%) | 0.25% | |
| C000065074 [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Fund NAV | ||||
| Average Annual Return, Percent | (0.42%) | 2.13% | 5.34% | 4.28% | |
| C000141932 [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Fund NAV | ||||
| Average Annual Return, Percent | 16.80% | 30.12% | 1.02% | 3.95% | |
| C000237280 [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Fund NAV | ||||
| Average Annual Return, Percent | 14.70% | 27.89% | 7.55% | ||
| S And P Developed ex US Broad Market Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | S&P Developed ex US Broad Market Index | ||||
| Average Annual Return, Percent | 4.62% | 21.21% | (3.26%) | 1.06% | |
| FTSE All World ex US Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | FTSE All World ex-US Index | ||||
| Average Annual Return, Percent | 5.67% | 24.32% | 6.03% | 5% | |
| S And P Global Broad Market Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | S&P Global Broad Market Index | ||||
| Average Annual Return, Percent | 10.50% | 32.18% | 10.49% | 8.72% | |
| FTSE All World Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | FTSE All-World Index | ||||
| Average Annual Return, Percent | 10.79% | 32.47% | 17.96% | 11.02% | 9.04% |
| Dow Jones EPAC Select Dividend IndexTM [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Dow Jones EPAC Select Dividend IndexTM | ||||
| Average Annual Return, Percent | 6.54% | 23.82% | 4.38% | 3.59% | |
| FTSE EPRA Nareit Developed ex US Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | FTSE EPRA Nareit Developed ex US Index | ||||
| Average Annual Return, Percent | 4.80% | 19.47% | (4.09%) | 0.39% | |
| S And P Global Clean Energy IndexTM [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | S&P Global Clean Energy IndexTM | ||||
| Average Annual Return, Percent | (0.77%) | 2.29% | 5.48% | 4.01% | |
| FTSE EPRA Nareit Global REITs Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | FTSE EPRA Nareit Global REITs Index | ||||
| Average Annual Return, Percent | 16.05% | 29.21% | 0.25% | 3.16% | |
| FTSE EPRA Nareit Developed Green Target Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | FTSE EPRA Nareit Developed Green Target Index | ||||
| Average Annual Return, Percent | 14.06% | 27.46% | 7.03% |
| Shareholder Report, Holdings (Details) | Oct. 31, 2024 | |
| C000049094 [Member] | Other [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12% | [1],[2] |
| C000049094 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 32.50% | [1] |
| C000049094 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.80% | [1] |
| C000049094 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.80% | [1] |
| C000049094 [Member] | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.10% | [1] |
| C000049094 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.90% | [1] |
| C000049094 [Member] | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.70% | [1] |
| C000049094 [Member] | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.30% | [1] |
| C000049094 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [1] |
| C000049094 [Member] | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.80% | [1] |
| C000049094 [Member] | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.50% | [1] |
| C000049094 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 24.40% | [1] |
| C000049094 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.60% | [1] |
| C000049094 [Member] | SPAIN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.30% | [1] |
| C000049094 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.10% | [1] |
| C000049094 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.50% | [1] |
| C000049094 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.80% | [1] |
| C000049094 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.70% | [1] |
| C000049094 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6% | [1] |
| C000049094 [Member] | KOREA, REPUBLIC OF | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.40% | [1] |
| C000049094 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.20% | [1] |
| C000050169 [Member] | Real Estate Operating Companies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 19.80% | [3] |
| C000050169 [Member] | Industrial REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18.20% | [3] |
| C000050169 [Member] | Retail REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16% | [3] |
| C000050169 [Member] | Diversified REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.50% | [3] |
| C000050169 [Member] | Diversified Real Estate Activities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.80% | [3] |
| C000050169 [Member] | Office REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.50% | [3] |
| C000050169 [Member] | Multi Family Residential REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.30% | [3] |
| C000050169 [Member] | Health Care REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | [3] |
| C000050169 [Member] | Hotel And Resort REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | [3] |
| C000050169 [Member] | Self Storage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | [3] |
| C000050169 [Member] | Unclassified Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.10% | [3],[4] |
| C000050169 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.10% | [3] |
| C000050169 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.10% | [3] |
| C000050169 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.40% | [3] |
| C000050169 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.30% | [3] |
| C000050169 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18.20% | [3] |
| C000050169 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.90% | [3] |
| C000050169 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 23.50% | [3] |
| C000050169 [Member] | SINGAPORE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.30% | [3] |
| C000050169 [Member] | SWEDEN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.20% | [3] |
| C000050169 [Member] | SWITZERLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.20% | [3] |
| C000065074 [Member] | Other [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.50% | [5],[6] |
| C000065074 [Member] | Unclassified Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | [5],[7] |
| C000065074 [Member] | Electric Utilities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 34% | [5] |
| C000065074 [Member] | Renewable Electricity [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.50% | [5] |
| C000065074 [Member] | Heavy Electrical Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.80% | [5] |
| C000065074 [Member] | Semiconductors [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | [5] |
| C000065074 [Member] | Electrical Components And Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.50% | [5] |
| C000065074 [Member] | Semiconductor Materials And Equipment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.80% | [5] |
| C000065074 [Member] | Construction And Engineering [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | [5] |
| C000065074 [Member] | Commodity Chemicals [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.60% | [5] |
| C000065074 [Member] | Steel [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.60% | [5] |
| C000065074 [Member] | Independent Power Producers And Energy Traders [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | [5] |
| C000065074 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.20% | [5] |
| C000065074 [Member] | SPAIN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.10% | [5] |
| C000065074 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.10% | [5] |
| C000065074 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4% | [5] |
| C000065074 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 23.70% | [5] |
| C000065074 [Member] | CHINA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12% | [5] |
| C000065074 [Member] | BRAZIL | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.30% | [5] |
| C000065074 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.70% | [5] |
| C000065074 [Member] | INDIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.10% | [5] |
| C000065074 [Member] | PORTUGAL | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.30% | [5] |
| C000141932 [Member] | Industrial REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 17.30% | [8] |
| C000141932 [Member] | Retail REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18.90% | [8] |
| C000141932 [Member] | Diversified REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.70% | [8] |
| C000141932 [Member] | Office REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.30% | [8] |
| C000141932 [Member] | Multi Family Residential REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.70% | [8] |
| C000141932 [Member] | Health Care REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.90% | [8] |
| C000141932 [Member] | Self Storage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.80% | [8] |
| C000141932 [Member] | Unclassified Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.90% | [8],[9] |
| C000141932 [Member] | Data Center REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.10% | [8] |
| C000141932 [Member] | Other Specialized REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | [8] |
| C000141932 [Member] | Single Family Residential REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.80% | [8] |
| C000141932 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.20% | [8] |
| C000141932 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | [8] |
| C000141932 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | [8] |
| C000141932 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | [8] |
| C000141932 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.60% | [8] |
| C000141932 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.30% | [8] |
| C000141932 [Member] | SINGAPORE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.80% | [8] |
| C000141932 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 72.70% | [8] |
| C000141932 [Member] | BELGIUM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | [8] |
| C000141932 [Member] | MEXICO | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.50% | [8] |
| C000237280 [Member] | Real Estate Operating Companies [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.50% | [10] |
| C000237280 [Member] | Industrial REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.90% | [10] |
| C000237280 [Member] | Retail REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18.10% | [10] |
| C000237280 [Member] | Diversified REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6% | [10] |
| C000237280 [Member] | Diversified Real Estate Activities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.50% | [10] |
| C000237280 [Member] | Office REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.10% | [10] |
| C000237280 [Member] | Multi Family Residential REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.10% | [10] |
| C000237280 [Member] | Health Care REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.50% | [10] |
| C000237280 [Member] | Self Storage REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.80% | [10] |
| C000237280 [Member] | Unclassified Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.70% | [10],[11] |
| C000237280 [Member] | Data Center REITs [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.80% | [10] |
| C000237280 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.30% | [10] |
| C000237280 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2% | [10] |
| C000237280 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | [10] |
| C000237280 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.70% | [10] |
| C000237280 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.30% | [10] |
| C000237280 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | [10] |
| C000237280 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.30% | [10] |
| C000237280 [Member] | SINGAPORE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3% | [10] |
| C000237280 [Member] | SWEDEN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | [10] |
| C000237280 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 64.60% | [10] |
| [1]Excludes money market funds.[2]Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.[3]Excludes money market funds.[4]Ten largest industries are presented. Additional industries are found in Other.[5]Excludes money market funds.[6]Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.[7]Ten largest industries are presented. Additional industries are found in Other.[8]Excludes money market funds.[9]Ten largest industries are presented. Additional industries are found in Other.[10]Excludes money market funds.[11]Ten largest industries are presented. Additional industries are found in Other. | ||
