| Form N-CSR Cover | 6 Months Ended |
| Sep. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Mercer Funds |
| Entity Central Index Key | 0001320615 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Sep. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Mercer Funds |
| Entity Central Index Key | 0001320615 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| C000027778 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer US Small/Mid Cap Equity Fund |
| Class Name | Class I |
| Trading Symbol | MSCQX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mercer US Small/Mid Cap Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-us-small-mid-cap |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-us-small-mid-cap |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer US Small/Mid Cap Equity Fund (Class I / MSCQX) $35 0.71% |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.71% |
| Net Assets | $ 1,683,148,530 |
| Holdings Count | Holding | 448 |
| Investment Company Portfolio Turnover | 20% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 1,683,148,530 Total number of portfolio holdings 448 Portfolio turnover rate as of the end of the reporting period 20% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings BJ’s Wholesale Club Holdings, Inc. 1.3 % Comfort Systems USA, Inc. 1.0 % Texas Roadhouse, Inc. 1.0 % Bright Horizons Family Solutions, Inc. 1.0 % Ascendis Pharma AS 0.9 % Axon Enterprise, Inc. 0.9 % CyberArk Software Ltd. 0.8 % WEX, Inc. 0.8 % Kinsale Capital Group, Inc. 0.7 % Permian Resources Corp. 0.7 % Total 9.1 % Sector Allocation |
| Largest Holdings [Text Block] | Top Ten Holdings BJ’s Wholesale Club Holdings, Inc. 1.3 % Comfort Systems USA, Inc. 1.0 % Texas Roadhouse, Inc. 1.0 % Bright Horizons Family Solutions, Inc. 1.0 % Ascendis Pharma AS 0.9 % Axon Enterprise, Inc. 0.9 % CyberArk Software Ltd. 0.8 % WEX, Inc. 0.8 % Kinsale Capital Group, Inc. 0.7 % Permian Resources Corp. 0.7 % Total 9.1 % |
| C000027780 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer US Small/Mid Cap Equity Fund |
| Class Name | Class Y-3 |
| Trading Symbol | MSCGX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mercer US Small/Mid Cap Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-us-small-mid-cap |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-us-small-mid-cap |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer US Small/Mid Cap Equity Fund (Class Y-3 / MSCGX) $23 0.46% |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.46% |
| Net Assets | $ 1,683,148,530 |
| Holdings Count | Holding | 448 |
| Investment Company Portfolio Turnover | 20% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 1,683,148,530 Total number of portfolio holdings 448 Portfolio turnover rate as of the end of the reporting period 20% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings BJ’s Wholesale Club Holdings, Inc. 1.3 % Comfort Systems USA, Inc. 1.0 % Texas Roadhouse, Inc. 1.0 % Bright Horizons Family Solutions, Inc. 1.0 % Ascendis Pharma AS 0.9 % Axon Enterprise, Inc. 0.9 % CyberArk Software Ltd. 0.8 % WEX, Inc. 0.8 % Kinsale Capital Group, Inc. 0.7 % Permian Resources Corp. 0.7 % Total 9.1 % Sector Allocation |
| Largest Holdings [Text Block] | Top Ten Holdings BJ’s Wholesale Club Holdings, Inc. 1.3 % Comfort Systems USA, Inc. 1.0 % Texas Roadhouse, Inc. 1.0 % Bright Horizons Family Solutions, Inc. 1.0 % Ascendis Pharma AS 0.9 % Axon Enterprise, Inc. 0.9 % CyberArk Software Ltd. 0.8 % WEX, Inc. 0.8 % Kinsale Capital Group, Inc. 0.7 % Permian Resources Corp. 0.7 % Total 9.1 % |
| C000027786 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Non-US Core Equity Fund |
| Class Name | Class I |
| Trading Symbol | MNCSX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Non-US Core Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-non-us-core |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-non-us-core |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Non-US Core Equity Fund (Class I / MNCSX) $32 0.63% |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.63% |
| Net Assets | $ 4,052,944,309 |
| Holdings Count | Holding | 854 |
| Investment Company Portfolio Turnover | 23% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 4,052,944,309 Total number of portfolio holdings 854 Portfolio turnover rate as of the end of the reporting period 23% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings SAP SE 1.5 % TotalEnergies SE 1.3 % Roche Holding AG 1.3 % Novo Nordisk AS 1.3 % Schneider Electric SE 1.3 % Novartis AG 1.3 % Barclays PLC 0.9 % London Stock Exchange Group PLC 0.8 % CRH PLC 0.8 % Haleon PLC 0.8 % Total 11.3 % Sector Allocation Geographic Allocation * Less than 0.1% |
| Largest Holdings [Text Block] | Top Ten Holdings SAP SE 1.5 % TotalEnergies SE 1.3 % Roche Holding AG 1.3 % Novo Nordisk AS 1.3 % Schneider Electric SE 1.3 % Novartis AG 1.3 % Barclays PLC 0.9 % London Stock Exchange Group PLC 0.8 % CRH PLC 0.8 % Haleon PLC 0.8 % Total 11.3 % |
| C000027788 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Non-US Core Equity Fund |
| Class Name | Class Y-3 |
| Trading Symbol | MNCEX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Mercer Non-US Core Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-non-us-core . You can also request this information by contacting us at 1-888-887-0619. |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-non-us-core |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Non-US Core Equity Fund (Class Y-3 / MNCEX) $19 0.38% |
| Expenses Paid, Amount | $ 19 |
| Expense Ratio, Percent | 0.38% |
| Net Assets | $ 4,052,944,309 |
| Holdings Count | Holding | 854 |
| Investment Company Portfolio Turnover | 23% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 4,052,944,309 Total number of portfolio holdings 854 Portfolio turnover rate as of the end of the reporting period 23% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings SAP SE 1.5 % TotalEnergies SE 1.3 % Roche Holding AG 1.3 % Novo Nordisk AS 1.3 % Schneider Electric SE 1.3 % Novartis AG 1.3 % Barclays PLC 0.9 % London Stock Exchange Group PLC 0.8 % CRH PLC 0.8 % Haleon PLC 0.8 % Total 11.3 % Sector Allocation Geographic Allocation * Less than 0.1% |
| Largest Holdings [Text Block] | Top Ten Holdings SAP SE 1.5 % TotalEnergies SE 1.3 % Roche Holding AG 1.3 % Novo Nordisk AS 1.3 % Schneider Electric SE 1.3 % Novartis AG 1.3 % Barclays PLC 0.9 % London Stock Exchange Group PLC 0.8 % CRH PLC 0.8 % Haleon PLC 0.8 % Total 11.3 % |
| C000027790 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Core Fixed Income Fund |
| Class Name | Class I |
| Trading Symbol | MCFQX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Core Fixed Income Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-core-fixed |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-core-fixed |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Core Fixed Income Fund (Class I / MCFQX) $19 0.39% |
| Expenses Paid, Amount | $ 19 |
| Expense Ratio, Percent | 0.39% |
| Net Assets | $ 2,360,767,977 |
| Holdings Count | Holding | 2,047 |
| Investment Company Portfolio Turnover | 50% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 2,360,767,977 Total number of portfolio holdings 2,047 Portfolio turnover rate as of the end of the reporting period 50% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Asset Allocation Maturity Days * Less than 0.1% |
| C000027792 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Core Fixed Income Fund |
| Class Name | Class Y‑3 |
| Trading Symbol | MCFIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Core Fixed Income Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-core-fixed |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-core-fixed |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Core Fixed Income Fund (Class Y‑3 / MCFIX) $7 0.14% |
| Expenses Paid, Amount | $ 7 |
| Expense Ratio, Percent | 0.14% |
| Net Assets | $ 2,360,767,977 |
| Holdings Count | Holding | 2,047 |
| Investment Company Portfolio Turnover | 50% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 2,360,767,977 Total number of portfolio holdings 2,047 Portfolio turnover rate as of the end of the reporting period 50% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Asset Allocation Maturity Days * Less than 0.1% |
| C000106516 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Emerging Markets Equity Fund |
| Class Name | Class I |
| Trading Symbol | MEMSX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Emerging Markets Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-emerging-markets |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-emerging-markets |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Emerging Markets Equity Fund (Class I / MEMSX) $37 0.72% |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.72% |
| Net Assets | $ 1,130,113,913 |
| Holdings Count | Holding | 331 |
| Investment Company Portfolio Turnover | 21% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 1,130,113,913 Total number of portfolio holdings 331 Portfolio turnover rate as of the end of the reporting period 21% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings Taiwan Semiconductor Manufacturing Co. Ltd. 5.1 % Tencent Holdings Ltd. 3.4 % Vanguard FTSE Emerging Markets ETF 2.1 % iShares MSCI Emerging Markets ETF 2.1 % iShares Core MSCI Emerging Markets ETF 2.1 % Samsung Electronics Co. Ltd. 1.7 % HDFC Bank Ltd. 1.7 % MediaTek, Inc. 1.5 % SK Hynix, Inc. 1.4 % Cipla Ltd. 1.4 % Total 22.5 % Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Ten Holdings Taiwan Semiconductor Manufacturing Co. Ltd. 5.1 % Tencent Holdings Ltd. 3.4 % Vanguard FTSE Emerging Markets ETF 2.1 % iShares MSCI Emerging Markets ETF 2.1 % iShares Core MSCI Emerging Markets ETF 2.1 % Samsung Electronics Co. Ltd. 1.7 % HDFC Bank Ltd. 1.7 % MediaTek, Inc. 1.5 % SK Hynix, Inc. 1.4 % Cipla Ltd. 1.4 % Total 22.5 % |
| Material Fund Change [Text Block] | Material and Other Fund Changes On October 8, 2024, the Board of Trustees of the Fund approved the terminations of William Blair Investment Management, LLC, Origin Asset Management LLP, Schroder Investment Management North America Inc. and Schroder Investment Management North America Limited as sub-advisers to the Fund, and the hiring of Baillie Gifford Overseas Limited, Pzena Investment Management, Inc. and Robeco Institutional Asset Management US Inc. as new sub-advisers to the Fund. The terminations and hirings of these sub-advisers to the Fund were all completed prior to the date of this Report. This is a summary of certain changes to the Fund’s sub-advisers. For more complete information, you may review the Fund’s prospectus, which is available at www.mercer.com/mercer-funds-delegated-solutions or request at 1-888-887-0619. |
| Updated Prospectus Phone Number | 1-888-887-0619 |
| Updated Prospectus Web Address | www.mercer.com/mercer-funds-delegated-solutions |
| C000106518 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Emerging Markets Equity Fund |
| Class Name | Class Y-3 |
| Trading Symbol | MEMQX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Emerging Markets Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-emerging-markets |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-emerging-markets |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Emerging Markets Equity Fund (Class Y-3 / MEMQX) $24 0.47% |
| Expenses Paid, Amount | $ 24 |
| Expense Ratio, Percent | 0.47% |
| Net Assets | $ 1,130,113,913 |
| Holdings Count | Holding | 331 |
| Investment Company Portfolio Turnover | 21% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 1,130,113,913 Total number of portfolio holdings 331 Portfolio turnover rate as of the end of the reporting period 21% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings Taiwan Semiconductor Manufacturing Co. Ltd. 5.1 % Tencent Holdings Ltd. 3.4 % Vanguard FTSE Emerging Markets ETF 2.1 % iShares MSCI Emerging Markets ETF 2.1 % iShares Core MSCI Emerging Markets ETF 2.1 % Samsung Electronics Co. Ltd. 1.7 % HDFC Bank Ltd. 1.7 % MediaTek, Inc. 1.5 % SK Hynix, Inc. 1.4 % Cipla Ltd. 1.4 % Total 22.5 % Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Ten Holdings Taiwan Semiconductor Manufacturing Co. Ltd. 5.1 % Tencent Holdings Ltd. 3.4 % Vanguard FTSE Emerging Markets ETF 2.1 % iShares MSCI Emerging Markets ETF 2.1 % iShares Core MSCI Emerging Markets ETF 2.1 % Samsung Electronics Co. Ltd. 1.7 % HDFC Bank Ltd. 1.7 % MediaTek, Inc. 1.5 % SK Hynix, Inc. 1.4 % Cipla Ltd. 1.4 % Total 22.5 % |
| Material Fund Change [Text Block] | Material and Other Fund Changes On October 8, 2024, the Board of Trustees of the Fund approved the terminations of William Blair Investment Management, LLC, Origin Asset Management LLP, Schroder Investment Management North America Inc. and Schroder Investment Management North America Limited as sub-advisers to the Fund, and the hiring of Baillie Gifford Overseas Limited, Pzena Investment Management, Inc. and Robeco Institutional Asset Management US Inc. as new sub-advisers to the Fund. The terminations and hirings of these sub-advisers to the Fund were all completed prior to the date of this Report. This is a summary of certain changes to the Fund’s sub-advisers. For more complete information, you may review the Fund’s prospectus, which is available at www.mercer.com/mercer-funds-delegated-solutions or request at 1-888-887-0619. |
| Updated Prospectus Phone Number | 1-888-887-0619 |
| Updated Prospectus Web Address | www.mercer.com/mercer-funds-delegated-solutions |
| C000118951 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Global Low Volatility Equity Fund |
| Class Name | Class I |
| Trading Symbol | MGLSX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Global Low Volatility Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-global-low |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-global-low |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Global Low Volatility Equity Fund (Class I / MGLSX) $31 0.60% |
| Expenses Paid, Amount | $ 31 |
| Expense Ratio, Percent | 0.60% |
| Net Assets | $ 461,227,240 |
| Holdings Count | Holding | 255 |
| Investment Company Portfolio Turnover | 19% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 461,227,240 Total number of portfolio holdings 255 Portfolio turnover rate as of the end of the reporting period 19% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings Microsoft Corp. 3.0 % Alphabet, Inc. 2.7 % Visa, Inc. 2.4 % Amazon.com, Inc. 1.9 % UnitedHealth Group, Inc. 1.5 % Philip Morris International, Inc. 1.5 % Automatic Data Processing, Inc. 1.3 % Intuit, Inc. 1.3 % Johnson & Johnson 1.2 % Booking Holdings, Inc. 1.2 % Total 18.0 % Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Ten Holdings Microsoft Corp. 3.0 % Alphabet, Inc. 2.7 % Visa, Inc. 2.4 % Amazon.com, Inc. 1.9 % UnitedHealth Group, Inc. 1.5 % Philip Morris International, Inc. 1.5 % Automatic Data Processing, Inc. 1.3 % Intuit, Inc. 1.3 % Johnson & Johnson 1.2 % Booking Holdings, Inc. 1.2 % Total 18.0 % |
| C000118953 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Global Low Volatility Equity Fund |
| Class Name | Class Y-3 |
| Trading Symbol | MGLVX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Global Low Volatility Equity Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-global-low |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-global-low |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Global Low Volatility Equity Fund (Class Y-3 / MGLVX) $18 0.35% |
| Expenses Paid, Amount | $ 18 |
| Expense Ratio, Percent | 0.35% |
| Net Assets | $ 461,227,240 |
| Holdings Count | Holding | 255 |
| Investment Company Portfolio Turnover | 19% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 461,227,240 Total number of portfolio holdings 255 Portfolio turnover rate as of the end of the reporting period 19% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Top Ten Holdings Microsoft Corp. 3.0 % Alphabet, Inc. 2.7 % Visa, Inc. 2.4 % Amazon.com, Inc. 1.9 % UnitedHealth Group, Inc. 1.5 % Philip Morris International, Inc. 1.5 % Automatic Data Processing, Inc. 1.3 % Intuit, Inc. 1.3 % Johnson & Johnson 1.2 % Booking Holdings, Inc. 1.2 % Total 18.0 % Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Ten Holdings Microsoft Corp. 3.0 % Alphabet, Inc. 2.7 % Visa, Inc. 2.4 % Amazon.com, Inc. 1.9 % UnitedHealth Group, Inc. 1.5 % Philip Morris International, Inc. 1.5 % Automatic Data Processing, Inc. 1.3 % Intuit, Inc. 1.3 % Johnson & Johnson 1.2 % Booking Holdings, Inc. 1.2 % Total 18.0 % |
| C000128966 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Opportunistic Fixed Income Fund |
| Class Name | Class I |
| Trading Symbol | MOFTX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Opportunistic Fixed Income Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-opportunistic-fixed |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-opportunistic-fixed |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Opportunistic Fixed Income Fund (Class I / MOFTX) $33 0.68% |
| Expenses Paid, Amount | $ 33 |
| Expense Ratio, Percent | 0.68% |
| Net Assets | $ 1,954,052,049 |
| Holdings Count | Holding | 1,481 |
| Investment Company Portfolio Turnover | 30% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 1,954,052,049 Total number of portfolio holdings 1,481 Portfolio turnover rate as of the end of the reporting period 30% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Asset Allocation Maturity Days * Less than 0.1% |
| Material Fund Change [Text Block] | Material and Other Fund Changes Effective July 31, 2024 the Fund has selected Bloomberg U.S. Aggregate Bond Index, replacing the ICE BofA Merrill Lynch Global High Yield 2% Constrained Index Unhedged, as its primary benchmark. This is a summary of certain changes to the Fund’s primary benchmark. For more complete information, you may review the Fund’s prospectus, which is available at www.mercer.com/mercer-funds-delegated-solutions or request at 1‑888‑887‑0619 |
| Updated Prospectus Phone Number | 1‑888‑887‑0619 |
| Updated Prospectus Web Address | www.mercer.com/mercer-funds-delegated-solutions |
| C000128968 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Opportunistic Fixed Income Fund |
| Class Name | Class Y-3 |
| Trading Symbol | MOFIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Opportunistic Fixed Income Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-opportunistic-fixed |
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-opportunistic-fixed |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Opportunistic Fixed Income Fund (Class Y‑3 / MOFIX) $21 0.43% |
| Expenses Paid, Amount | $ 21 |
| Expense Ratio, Percent | 0.43% |
| Net Assets | $ 1,954,052,049 |
| Holdings Count | Holding | 1,481 |
| Investment Company Portfolio Turnover | 30% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 1,954,052,049 Total number of portfolio holdings 1,481 Portfolio turnover rate as of the end of the reporting period 30% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Asset Allocation * Less than 0.1% Maturity Days |
| Material Fund Change [Text Block] | Material and Other Fund Changes Effective July 31, 2024 the Fund has selected Bloomberg U.S. Aggregate Bond Index, replacing the ICE BofA Merrill Lynch Global High Yield 2% Constrained Index Unhedged, as its primary benchmark. This is a summary of certain changes to the Fund’s primary benchmark. For more complete information, you may review the Fund’s prospectus, which is available at www.mercer.com/mercer-funds-delegated-solutions or request at 1‑888‑887‑0619 |
| Updated Prospectus Phone Number | 1‑888‑887‑0619 |
| Updated Prospectus Web Address | www.mercer.com/mercer-funds-delegated-solutions |
| C000246249 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Mercer Short Duration Fixed Income Fund |
| Class Name | Class Y-3 |
| Trading Symbol | MSDYX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Mercer Short Duration Fixed Income Fund (the “Fund”) for the period of April 1, 2024, to September 30, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at www.mercer.com/mercer-funds-short-duration |
| Additional Information Phone Number | 1-888-887-0619 |
| Additional Information Website | www.mercer.com/mercer-funds-short-duration |
| Expenses [Text Block] | What were the Fund costs for the last six months? (Based on a hypothetical $10,000 investment) The below table explains the costs that you would have paid within the reporting period. Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a Mercer Short Duration Fixed Income Fund (Class Y‑3 / MSDYX) $10 0.20% |
| Expenses Paid, Amount | $ 10 |
| Expense Ratio, Percent | 0.20% |
| Net Assets | $ 56,483,300 |
| Holdings Count | Holding | 515 |
| Investment Company Portfolio Turnover | 84% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistic that you should pay attention to: Fund’s net assets $ 56,483,300 Total number of portfolio holdings 515 Portfolio turnover rate as of the end of the reporting period 84% |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment make up of the Fund, representing percentage of total investments of the Fund. Asset Allocation Maturity Days |
| Shareholder Report, Holdings (Details) | Sep. 30, 2024 | |
| C000027778 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.10% | |
| C000027778 [Member] | BJ s Wholesale Club Holdings Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027778 [Member] | Comfort Systems USA Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027778 [Member] | Texas Roadhouse Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027778 [Member] | Bright Horizons Family Solutions Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027778 [Member] | Ascendis Pharma AS [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | |
| C000027778 [Member] | Axon Enterprise Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | |
| C000027778 [Member] | CyberArk Software Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027778 [Member] | WEX Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027778 [Member] | Kinsale Capital Group Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.70% | |
| C000027778 [Member] | Permian Resources Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.70% | |
| C000027778 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.10% | |
| C000027778 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18.10% | |
| C000027778 [Member] | Government Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.10% | |
| C000027778 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | |
| C000027778 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000027778 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 19% | |
| C000027778 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | |
| C000027778 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 24.90% | |
| C000027778 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.80% | |
| C000027778 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.60% | |
| C000027778 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.30% | |
| C000027780 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.10% | |
| C000027780 [Member] | BJ s Wholesale Club Holdings Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027780 [Member] | Comfort Systems USA Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027780 [Member] | Texas Roadhouse Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027780 [Member] | Bright Horizons Family Solutions Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027780 [Member] | Ascendis Pharma AS [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | |
| C000027780 [Member] | Axon Enterprise Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | |
| C000027780 [Member] | CyberArk Software Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027780 [Member] | WEX Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027780 [Member] | Kinsale Capital Group Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.70% | |
| C000027780 [Member] | Permian Resources Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.70% | |
| C000027780 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.10% | |
| C000027780 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18.10% | |
| C000027780 [Member] | Government Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.10% | |
| C000027780 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.20% | |
| C000027780 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000027780 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 19% | |
| C000027780 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | |
| C000027780 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 24.90% | |
| C000027780 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.80% | |
| C000027780 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.60% | |
| C000027780 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.30% | |
| C000027786 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.30% | |
| C000027786 [Member] | SAP SE [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000027786 [Member] | TotalEnergies SE [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027786 [Member] | Roche Holding AG [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027786 [Member] | Novo Nordisk AS [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027786 [Member] | Schneider Electric SE [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027786 [Member] | Novartis AG [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027786 [Member] | Barclays PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | |
| C000027786 [Member] | London Stock Exchange Group PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027786 [Member] | CRH PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027786 [Member] | Haleon PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027786 [Member] | Cash Equivalence Country [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.10% | |
| C000027786 [Member] | Total of Countries less than 1 0 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.90% | |
| C000027786 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.10% | |
| C000027786 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 24.40% | |
| C000027786 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.30% | |
| C000027786 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.20% | |
| C000027786 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 15.70% | |
| C000027786 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000027786 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 20.40% | |
| C000027786 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.70% | |
| C000027786 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.90% | |
| C000027786 [Member] | Diversified [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [1] |
| C000027786 [Member] | TAIWAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.60% | |
| C000027786 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.20% | |
| C000027786 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000027786 [Member] | IRELAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027786 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.70% | |
| C000027786 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 20.70% | |
| C000027786 [Member] | KOREA, REPUBLIC OF | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027786 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.70% | |
| C000027786 [Member] | SWEDEN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | |
| C000027786 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.50% | |
| C000027786 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.50% | |
| C000027786 [Member] | SPAIN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.90% | |
| C000027786 [Member] | FINLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027786 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.50% | |
| C000027786 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000027786 [Member] | SWITZERLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6% | |
| C000027786 [Member] | CHINA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.60% | |
| C000027786 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.40% | |
| C000027786 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | |
| C000027786 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.10% | |
| C000027786 [Member] | Investment Companies ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.30% | |
| C000027788 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.30% | |
| C000027788 [Member] | SAP SE [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000027788 [Member] | TotalEnergies SE [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027788 [Member] | Roche Holding AG [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027788 [Member] | Novo Nordisk AS [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027788 [Member] | Schneider Electric SE [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027788 [Member] | Novartis AG [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000027788 [Member] | Barclays PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.90% | |
| C000027788 [Member] | London Stock Exchange Group PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027788 [Member] | CRH PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027788 [Member] | Haleon PLC [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.80% | |
| C000027788 [Member] | Cash Equivalence Country [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.10% | |
| C000027788 [Member] | Total of Countries less than 1 0 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.90% | |
| C000027788 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.10% | |
| C000027788 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 24.40% | |
| C000027788 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.30% | |
| C000027788 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.20% | |
| C000027788 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 15.70% | |
| C000027788 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000027788 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 20.40% | |
| C000027788 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.70% | |
| C000027788 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.90% | |
| C000027788 [Member] | Diversified [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [2] |
| C000027788 [Member] | TAIWAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.60% | |
| C000027788 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.20% | |
| C000027788 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000027788 [Member] | IRELAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027788 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.70% | |
| C000027788 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 20.70% | |
| C000027788 [Member] | KOREA, REPUBLIC OF | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027788 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.70% | |
| C000027788 [Member] | SWEDEN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | |
| C000027788 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.50% | |
| C000027788 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.50% | |
| C000027788 [Member] | SPAIN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.90% | |
| C000027788 [Member] | FINLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000027788 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.50% | |
| C000027788 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000027788 [Member] | SWITZERLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6% | |
| C000027788 [Member] | CHINA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.60% | |
| C000027788 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.40% | |
| C000027788 [Member] | DENMARK | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | |
| C000027788 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.10% | |
| C000027788 [Member] | Investment Companies ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.30% | |
| C000027790 [Member] | Less Than 1 Year [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000027790 [Member] | One To 3 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.80% | |
| C000027790 [Member] | Three To 5 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.10% | |
| C000027790 [Member] | Five To 10 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 23.10% | |
| C000027790 [Member] | Ten To 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 53.10% | |
| C000027790 [Member] | Over 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5% | |
| C000027790 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.10% | |
| C000027790 [Member] | Asset-Backed Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.10% | |
| C000027790 [Member] | Common Stock [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [3] |
| C000027790 [Member] | Corporate Debt Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 31.80% | |
| C000027790 [Member] | Mortgage-Backed Securities, Issued by Private Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.20% | |
| C000027790 [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 27.40% | |
| C000027790 [Member] | Municipal Obligations [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.60% | |
| C000027790 [Member] | Sovereign Debt Obligations [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.30% | |
| C000027790 [Member] | US Government Corporations and Agencies Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 21.60% | |
| C000027792 [Member] | Less Than 1 Year [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000027792 [Member] | One To 3 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.80% | |
| C000027792 [Member] | Three To 5 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.10% | |
| C000027792 [Member] | Five To 10 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 23.10% | |
| C000027792 [Member] | Ten To 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 53.10% | |
| C000027792 [Member] | Over 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5% | |
| C000027792 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.10% | |
| C000027792 [Member] | Asset-Backed Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.10% | |
| C000027792 [Member] | Common Stock [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [4] |
| C000027792 [Member] | Corporate Debt Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 31.80% | |
| C000027792 [Member] | Mortgage-Backed Securities, Issued by Private Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.20% | |
| C000027792 [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 27.40% | |
| C000027792 [Member] | Municipal Obligations [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.60% | |
| C000027792 [Member] | Sovereign Debt Obligations [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.30% | |
| C000027792 [Member] | US Government Corporations and Agencies Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 21.60% | |
| C000106516 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 22.50% | |
| C000106516 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.10% | |
| C000106516 [Member] | Tencent Holdings Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.40% | |
| C000106516 [Member] | Vanguard FTSE Emerging Markets ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000106516 [Member] | iShares MSCI Emerging Markets ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000106516 [Member] | iShares Core MSCI Emerging Markets ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000106516 [Member] | Samsung Electronics Co Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000106516 [Member] | HDFC Bank Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000106516 [Member] | MediaTek Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000106516 [Member] | SK Hynix Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | |
| C000106516 [Member] | Cipla Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | |
| C000106516 [Member] | Cash Equivalence Country [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | |
| C000106516 [Member] | Total of Countries less than 1 0 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9% | |
| C000106516 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | |
| C000106516 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 19.30% | |
| C000106516 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 17.10% | |
| C000106516 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.40% | |
| C000106516 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.70% | |
| C000106516 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.70% | |
| C000106516 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.30% | |
| C000106516 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.50% | |
| C000106516 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | |
| C000106516 [Member] | Diversified [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.20% | |
| C000106516 [Member] | TAIWAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.70% | |
| C000106516 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.60% | |
| C000106516 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.80% | |
| C000106516 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000106516 [Member] | KOREA, REPUBLIC OF | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.40% | |
| C000106516 [Member] | CHINA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.30% | |
| C000106516 [Member] | SOUTH AFRICA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000106516 [Member] | MEXICO | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | |
| C000106516 [Member] | THAILAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000106516 [Member] | INDONESIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000106516 [Member] | INDIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.40% | |
| C000106516 [Member] | BRAZIL | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.60% | |
| C000106516 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | |
| C000106516 [Member] | Investment Companies ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.20% | |
| C000106518 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 22.50% | |
| C000106518 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.10% | |
| C000106518 [Member] | Tencent Holdings Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.40% | |
| C000106518 [Member] | Vanguard FTSE Emerging Markets ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000106518 [Member] | iShares MSCI Emerging Markets ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000106518 [Member] | iShares Core MSCI Emerging Markets ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.10% | |
| C000106518 [Member] | Samsung Electronics Co Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000106518 [Member] | HDFC Bank Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000106518 [Member] | MediaTek Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000106518 [Member] | SK Hynix Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | |
| C000106518 [Member] | Cipla Ltd [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | |
| C000106518 [Member] | Cash Equivalence Country [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | |
| C000106518 [Member] | Total of Countries less than 1 0 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9% | |
| C000106518 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | |
| C000106518 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 19.30% | |
| C000106518 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 17.10% | |
| C000106518 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.40% | |
| C000106518 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.70% | |
| C000106518 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.70% | |
| C000106518 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.30% | |
| C000106518 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.50% | |
| C000106518 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | |
| C000106518 [Member] | Diversified [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.20% | |
| C000106518 [Member] | TAIWAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.70% | |
| C000106518 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.60% | |
| C000106518 [Member] | HONG KONG | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.80% | |
| C000106518 [Member] | ITALY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1% | |
| C000106518 [Member] | KOREA, REPUBLIC OF | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7.40% | |
| C000106518 [Member] | CHINA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 26.30% | |
| C000106518 [Member] | SOUTH AFRICA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000106518 [Member] | MEXICO | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | |
| C000106518 [Member] | THAILAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000106518 [Member] | INDONESIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000106518 [Member] | INDIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.40% | |
| C000106518 [Member] | BRAZIL | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.60% | |
| C000106518 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | |
| C000106518 [Member] | Investment Companies ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.20% | |
| C000118951 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18% | |
| C000118951 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3% | |
| C000118951 [Member] | Alphabet Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.70% | |
| C000118951 [Member] | Visa Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000118951 [Member] | Amazon com Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000118951 [Member] | UnitedHealth Group Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000118951 [Member] | Philip Morris International Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000118951 [Member] | Automatic Data Processing Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118951 [Member] | Intuit Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118951 [Member] | Johnson And Johnson [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000118951 [Member] | Booking Holdings Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000118951 [Member] | Cash Equivalence Country [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118951 [Member] | Total of Countries less than 1 0 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.40% | |
| C000118951 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000118951 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.40% | |
| C000118951 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.50% | |
| C000118951 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.10% | |
| C000118951 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.20% | |
| C000118951 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000118951 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 34% | |
| C000118951 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.10% | |
| C000118951 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118951 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 68.30% | |
| C000118951 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.80% | |
| C000118951 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000118951 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | |
| C000118951 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.60% | |
| C000118951 [Member] | SPAIN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.60% | |
| C000118951 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000118951 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.60% | |
| C000118951 [Member] | SWITZERLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.60% | |
| C000118951 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | |
| C000118951 [Member] | ISRAEL | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118951 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118953 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 18% | |
| C000118953 [Member] | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3% | |
| C000118953 [Member] | Alphabet Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.70% | |
| C000118953 [Member] | Visa Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000118953 [Member] | Amazon com Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000118953 [Member] | UnitedHealth Group Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000118953 [Member] | Philip Morris International Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.50% | |
| C000118953 [Member] | Automatic Data Processing Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118953 [Member] | Intuit Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118953 [Member] | Johnson And Johnson [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000118953 [Member] | Booking Holdings Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000118953 [Member] | Cash Equivalence Country [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118953 [Member] | Total of Countries less than 1 0 [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.40% | |
| C000118953 [Member] | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000118953 [Member] | Financial Services Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.40% | |
| C000118953 [Member] | Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 16.50% | |
| C000118953 [Member] | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 13.10% | |
| C000118953 [Member] | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.20% | |
| C000118953 [Member] | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.70% | |
| C000118953 [Member] | Consumer Non Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 34% | |
| C000118953 [Member] | Consumer Cyclical [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.10% | |
| C000118953 [Member] | Basic Materials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118953 [Member] | UNITED STATES | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 68.30% | |
| C000118953 [Member] | JAPAN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.80% | |
| C000118953 [Member] | NETHERLANDS | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | |
| C000118953 [Member] | FRANCE | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | |
| C000118953 [Member] | UNITED KINGDOM | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.60% | |
| C000118953 [Member] | SPAIN | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.60% | |
| C000118953 [Member] | AUSTRALIA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.20% | |
| C000118953 [Member] | CANADA | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.60% | |
| C000118953 [Member] | SWITZERLAND | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.60% | |
| C000118953 [Member] | GERMANY | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.50% | |
| C000118953 [Member] | ISRAEL | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000118953 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.30% | |
| C000128966 [Member] | Less Than 1 Year [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.20% | |
| C000128966 [Member] | One To 3 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.40% | |
| C000128966 [Member] | Three To 5 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 22.30% | |
| C000128966 [Member] | Five To 10 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 37.50% | |
| C000128966 [Member] | Ten To 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 21.30% | |
| C000128966 [Member] | Over 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000128966 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | |
| C000128966 [Member] | Asset-Backed Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.40% | |
| C000128966 [Member] | Common Stock [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [5] |
| C000128966 [Member] | Corporate Debt Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 38.80% | |
| C000128966 [Member] | Mortgage-Backed Securities, Issued by Private Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | |
| C000128966 [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [5] |
| C000128966 [Member] | Sovereign Debt Obligations [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 35.10% | |
| C000128966 [Member] | US Government Corporations and Agencies Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2% | |
| C000128966 [Member] | Bank Loans [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.40% | |
| C000128966 [Member] | Purchased Futures Options [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [5] |
| C000128966 [Member] | Convertible Debt [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | |
| C000128968 [Member] | Less Than 1 Year [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.20% | |
| C000128968 [Member] | One To 3 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.40% | |
| C000128968 [Member] | Three To 5 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 22.30% | |
| C000128968 [Member] | Five To 10 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 37.50% | |
| C000128968 [Member] | Ten To 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 21.30% | |
| C000128968 [Member] | Over 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000128968 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | |
| C000128968 [Member] | Asset-Backed Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.40% | |
| C000128968 [Member] | Common Stock [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [6] |
| C000128968 [Member] | Corporate Debt Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 38.80% | |
| C000128968 [Member] | Mortgage-Backed Securities, Issued by Private Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | |
| C000128968 [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [6] |
| C000128968 [Member] | Sovereign Debt Obligations [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 35.10% | |
| C000128968 [Member] | US Government Corporations and Agencies Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2% | |
| C000128968 [Member] | Bank Loans [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.40% | |
| C000128968 [Member] | Purchased Futures Options [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [6] |
| C000128968 [Member] | Convertible Debt [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.40% | |
| C000246249 [Member] | Less Than 1 Year [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 7% | |
| C000246249 [Member] | One To 3 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 36.20% | |
| C000246249 [Member] | Three To 5 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 29.80% | |
| C000246249 [Member] | Five To 10 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.50% | |
| C000246249 [Member] | Ten To 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10.10% | |
| C000246249 [Member] | Over 30 Years [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.40% | |
| C000246249 [Member] | Cash Equivalence [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.50% | |
| C000246249 [Member] | Asset-Backed Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 22.40% | |
| C000246249 [Member] | Corporate Debt Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 41.30% | |
| C000246249 [Member] | Mortgage-Backed Securities, Issued by Private Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.90% | |
| C000246249 [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.30% | |
| C000246249 [Member] | US Government Corporations and Agencies Securities [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 17.70% | |
| C000246249 [Member] | Bank Loans [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.90% | |
| [1]Less than 0.1%[2]Less than 0.1%[3]Less than 0.1%[4]Less than 0.1%[5]Less than 0.1%[6]Less than 0.1% | ||
