| Form N-CSR Cover | 6 Months Ended |
| Sep. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | TCW Metropolitan West Funds |
| Entity Central Index Key | 0001028621 |
| 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 | TCW Metropolitan West Funds |
| Entity Central Index Key | 0001028621 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| C000003067 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest AlphaTrak 500 Fund |
| Class Name | Class M |
| Trading Symbol | MWATX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest AlphaTrak 500 Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $24 0.45% |
| Expenses Paid, Amount | $ 24 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 30,450,451 |
| Holdings Count | Holding | 159 |
| InvestmentCompanyPortfolioTurnover | 160% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $30,450,451 # of Portfolio Holdings 159 Portfolio Turnover Rate 160% |
| Holdings [Text Block] | Short-Term Investments 32.64% Mortgage-Backed 27.51% Corporates 26.17% Mutual Funds 12.67% U.S. Treasury Securities 7.37% Asset-Backed Securities 6.14% Municipal Bonds 0.76% Common Stock 0.08% Liabilities in Excess of Other Assets (13.34)% |
| Largest Holdings [Text Block] | UMBS (TBA) 19.29% iShares Core S&P 500 ETF 12.67% U.S. Treasury Notes (WI) 7.37% Ginnie Mae 1.95% Fannie Mae REMICS 1.94% Ginnie Mae (TBA) 1.89% Bank of America Corp. 1.75% JPMorgan Chase & Co. 1.65% Wells Fargo & Co. 1.47% Morgan Stanley 1.25% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West AlphaTrak 500 Fund was renamed to the TCW MetWest AlphaTrak 500 Fund on July 29, 2024. On October 30, 2024, the TCW MetWest AlphaTrak 500 Fund was closed. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B32"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000201587 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Corporate Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWCBX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Corporate Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $26 0.50% |
| Expenses Paid, Amount | $ 26 |
| Expense Ratio, Percent | 0.50% |
| AssetsNet | $ 4,974,021 |
| Holdings Count | Holding | 257 |
| InvestmentCompanyPortfolioTurnover | 46% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $4,974,021 # of Portfolio Holdings 257 Portfolio Turnover Rate 46% |
| Holdings [Text Block] | Corporates 83.02% U.S. Treasury Securities 9.39% Short-Term Investments 2.97% Municipal Bonds 2.55% Asset-Backed Securities 0.67% Mortgage-Backed 0.64% Liabilities in Excess of Other Assets 0.76% |
| Largest Holdings [Text Block] | U.S. Treasury Bonds (WI) 7.33% Bank of America Corp. 3.03% Wells Fargo & Co. 2.36% JPMorgan Chase & Co. 2.23% Morgan Stanley 2.08% U.S. Treasury Notes 1.98% Goldman Sachs Group, Inc. (The) 1.91% Citigroup, Inc. 1.62% T-Mobile USA, Inc. 1.49% HSBC Holdings PLC 1.42% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Corporate Bond Fund was renamed to the TCW MetWest Corporate Bond Fund on July 29, 2024. On November 18, 2024, the TCW MetWest Corporate Bond Fund was reorganized into the TCW Corporate Bond ETF, a new series of the TCW ETF Trust, as previously announced. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B55"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000201588 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Corporate Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWCSX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Corporate Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $39 0.75% |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.75% |
| AssetsNet | $ 4,974,021 |
| Holdings Count | Holding | 257 |
| InvestmentCompanyPortfolioTurnover | 46% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $4,974,021 # of Portfolio Holdings 257 Portfolio Turnover Rate 46% |
| Holdings [Text Block] | Corporates 83.02% U.S. Treasury Securities 9.39% Short-Term Investments 2.97% Municipal Bonds 2.55% Asset-Backed Securities 0.67% Mortgage-Backed 0.64% Liabilities in Excess of Other Assets 0.76% |
| Largest Holdings [Text Block] | U.S. Treasury Bonds (WI) 7.33% Bank of America Corp. 3.03% Wells Fargo & Co. 2.36% JPMorgan Chase & Co. 2.23% Morgan Stanley 2.08% U.S. Treasury Notes 1.98% Goldman Sachs Group, Inc. (The) 1.91% Citigroup, Inc. 1.62% T-Mobile USA, Inc. 1.49% HSBC Holdings PLC 1.42% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Corporate Bond Fund was renamed to the TCW MetWest Corporate Bond Fund on July 29, 2024. On November 18, 2024, the TCW MetWest Corporate Bond Fund was reorganized into the TCW Corporate Bond ETF, a new series of the TCW ETF Trust, as previously announced. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B78"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000127913 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Floating Rate Income Fund |
| Class Name | Class I |
| Trading Symbol | MWFLX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Floating Rate Income Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $36 0.70% |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 295,394,644 |
| Holdings Count | Holding | 358 |
| InvestmentCompanyPortfolioTurnover | 52% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $295,394,644 # of Portfolio Holdings 358 Portfolio Turnover Rate 52% |
| Holdings [Text Block] | Bank Loans 89.92% Short-Term Investments 12.49% Corporates 3.42% Asset-Backed Securities 0.99% U.S. Treasury Securities 0.49% Preferred Stock 0.12% Common Stock 0.10% Liabilities in Excess of Other Assets (7.53)% |
| Largest Holdings [Text Block] | Alpha Generation LLC 0.98% EagleView Technology Co. 0.85% Magnite, Inc. 0.83% Asurion LLC 0.77% Osmosis Buyer Ltd. 0.77% Catalent Pharma Solutions, Inc. 0.68% Xerox Corp. 0.65% Vantage Elevator Solutions 0.64% Parexel International, Inc. 0.63% Element Materials Technology Group U.S. Holdings, Inc. 0.62% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Floating Rate Income Fund was renamed to the TCW MetWest Floating Rate Income Fund on July 29, 2024. On November 18, 2024, the TCW MetWest Floating Rate Income Fund was reorganized into the TCW Senior Loan ETF, a new series of the TCW ETF Trust, as previously announced. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B101"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000127912 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Floating Rate Income Fund |
| Class Name | Class M |
| Trading Symbol | MWFRX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Floating Rate Income Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $46 0.90% |
| Expenses Paid, Amount | $ 46 |
| Expense Ratio, Percent | 0.90% |
| AssetsNet | $ 295,394,644 |
| Holdings Count | Holding | 358 |
| InvestmentCompanyPortfolioTurnover | 52% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $295,394,644 # of Portfolio Holdings 358 Portfolio Turnover Rate 52% |
| Holdings [Text Block] | Bank Loans 89.92% Short-Term Investments 12.49% Corporates 3.42% Asset-Backed Securities 0.99% U.S. Treasury Securities 0.49% Preferred Stock 0.12% Common Stock 0.10% Liabilities in Excess of Other Assets (7.53)% |
| Largest Holdings [Text Block] | Alpha Generation LLC 0.98% EagleView Technology Co. 0.85% Magnite, Inc. 0.83% Asurion LLC 0.77% Osmosis Buyer Ltd. 0.77% Catalent Pharma Solutions, Inc. 0.68% Xerox Corp. 0.65% Vantage Elevator Solutions 0.64% Parexel International, Inc. 0.63% Element Materials Technology Group U.S. Holdings, Inc. 0.62% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Floating Rate Income Fund was renamed to the TCW MetWest Floating Rate Income Fund on July 29, 2024. On November 18, 2024, the TCW MetWest Floating Rate Income Fund was reorganized into the TCW Senior Loan ETF, a new series of the TCW ETF Trust, as previously announced. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B124"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003068 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest High Yield Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWHIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest High Yield Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $31 0.60% |
| Expenses Paid, Amount | $ 31 |
| Expense Ratio, Percent | 0.60% |
| AssetsNet | $ 470,649,106 |
| Holdings Count | Holding | 299 |
| InvestmentCompanyPortfolioTurnover | 31% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $470,649,106 # of Portfolio Holdings 299 Portfolio Turnover Rate 31% |
| Holdings [Text Block] | Corporates 73.64% Bank Loans 17.10% Short-Term Investments 10.93% Common Stock 0.51% Liabilities in Excess of Other Assets (2.18)% |
| Largest Holdings [Text Block] | CCO Holdings LLC/CCO Holdings Capital Corp. 2.72% Tenet Healthcare Corp. 2.60% Centene Corp. 2.56% Post Holdings, Inc. 1.80% Ford Motor Credit Co. LLC 1.74% TransDigm, Inc. 1.64% CSC Holdings LLC 1.37% Frontier Communications Holdings LLC 1.31% GLP Capital LP/GLP Financing II, Inc. 1.31% Ferrellgas LP/Ferrellgas Finance Corp. 1.22% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West High Yield Bond Fund was renamed to the TCW MetWest High Yield Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B147"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003069 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest High Yield Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWHYX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest High Yield Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $44 0.85% |
| Expenses Paid, Amount | $ 44 |
| Expense Ratio, Percent | 0.85% |
| AssetsNet | $ 470,649,106 |
| Holdings Count | Holding | 299 |
| InvestmentCompanyPortfolioTurnover | 31% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $470,649,106 # of Portfolio Holdings 299 Portfolio Turnover Rate 31% |
| Holdings [Text Block] | Corporates 73.64% Bank Loans 17.10% Short-Term Investments 10.93% Common Stock 0.51% Liabilities in Excess of Other Assets (2.18)% |
| Largest Holdings [Text Block] | CCO Holdings LLC/CCO Holdings Capital Corp. 2.72% Tenet Healthcare Corp. 2.60% Centene Corp. 2.56% Post Holdings, Inc. 1.80% Ford Motor Credit Co. LLC 1.74% TransDigm, Inc. 1.64% CSC Holdings LLC 1.37% Frontier Communications Holdings LLC 1.31% GLP Capital LP/GLP Financing II, Inc. 1.31% Ferrellgas LP/Ferrellgas Finance Corp. 1.22% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West High Yield Bond Fund was renamed to the TCW MetWest High Yield Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B170"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003070 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Intermediate Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWIIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Intermediate Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $25 0.48% |
| Expenses Paid, Amount | $ 25 |
| Expense Ratio, Percent | 0.48% |
| AssetsNet | $ 886,917,579 |
| Holdings Count | Holding | 544 |
| InvestmentCompanyPortfolioTurnover | 327% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $886,917,579 # of Portfolio Holdings 544 Portfolio Turnover Rate 327% |
| Holdings [Text Block] | U.S. Treasury Securities 54.09% Mortgage-Backed 26.06% Corporates 20.74% Asset-Backed Securities 5.99% Short-Term Investments 4.38% Municipal Bonds 0.85% Bank Loans 0.84% Common Stock 0.06% Liabilities in Excess of Other Assets (13.01)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 37.24% U.S. Treasury Notes 16.86% UMBS (TBA) 7.84% Ginnie Mae (TBA) 3.28% JPMorgan Chase & Co. 1.05% Fannie Mae Pool MA4733 0.94% Bank of America Corp. 0.78% Wells Fargo & Co. 0.74% PRPM LLC 0.67% WarnerMedia Holdings, Inc. 0.63% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Intermediate Bond Fund was renamed to the TCW MetWest Intermediate Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B193"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003071 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Intermediate Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWIMX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Intermediate Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $36 0.70% |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 886,917,579 |
| Holdings Count | Holding | 544 |
| InvestmentCompanyPortfolioTurnover | 327% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $886,917,579 # of Portfolio Holdings 544 Portfolio Turnover Rate 327% |
| Holdings [Text Block] | U.S. Treasury Securities 54.09% Mortgage-Backed 26.06% Corporates 20.74% Asset-Backed Securities 5.99% Short-Term Investments 4.38% Municipal Bonds 0.85% Bank Loans 0.84% Common Stock 0.06% Liabilities in Excess of Other Assets (13.01)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 37.24% U.S. Treasury Notes 16.86% UMBS (TBA) 7.84% Ginnie Mae (TBA) 3.28% JPMorgan Chase & Co. 1.05% Fannie Mae Pool MA4733 0.94% Bank of America Corp. 0.78% Wells Fargo & Co. 0.74% PRPM LLC 0.67% WarnerMedia Holdings, Inc. 0.63% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Intermediate Bond Fund was renamed to the TCW MetWest Intermediate Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B216"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000201585 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Investment Grade Credit Fund |
| Class Name | Class I |
| Trading Symbol | MWIGX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Investment Grade Credit Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $25 0.49% |
| Expenses Paid, Amount | $ 25 |
| Expense Ratio, Percent | 0.49% |
| AssetsNet | $ 27,827,390 |
| Holdings Count | Holding | 417 |
| InvestmentCompanyPortfolioTurnover | 228% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $27,827,390 # of Portfolio Holdings 417 Portfolio Turnover Rate 228% |
| Holdings [Text Block] | Corporates 51.20% Mortgage-Backed 30.22% U.S. Treasury Securities 24.95% Asset-Backed Securities 4.04% Municipal Bonds 1.65% Short-Term Investments 1.55% Liabilities in Excess of Other Assets (13.61)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes 12.89% U.S. Treasury Notes (WI) 12.07% UMBS (TBA) 10.60% Ginnie Mae (TBA) 3.17% JPMorgan Chase & Co. 2.27% Bank of America Corp. 2.06% Morgan Stanley 1.39% Wells Fargo & Co. 1.26% Citigroup, Inc. 1.03% Goldman Sachs Group, Inc. (The) 0.84% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Investment Grade Credit Fund was renamed to the TCW MetWest Investment Grade Credit Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B239"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000201586 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Investment Grade Credit Fund |
| Class Name | Class M |
| Trading Symbol | MWISX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Investment Grade Credit Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $36 0.70% |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 27,827,390 |
| Holdings Count | Holding | 417 |
| InvestmentCompanyPortfolioTurnover | 228% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $27,827,390 # of Portfolio Holdings 417 Portfolio Turnover Rate 228% |
| Holdings [Text Block] | Corporates 51.20% Mortgage-Backed 30.22% U.S. Treasury Securities 24.95% Asset-Backed Securities 4.04% Municipal Bonds 1.65% Short-Term Investments 1.55% Liabilities in Excess of Other Assets (13.61)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes 12.89% U.S. Treasury Notes (WI) 12.07% UMBS (TBA) 10.60% Ginnie Mae (TBA) 3.17% JPMorgan Chase & Co. 2.27% Bank of America Corp. 2.06% Morgan Stanley 1.39% Wells Fargo & Co. 1.26% Citigroup, Inc. 1.03% Goldman Sachs Group, Inc. (The) 0.84% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Investment Grade Credit Fund was renamed to the TCW MetWest Investment Grade Credit Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B262"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000058169 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Low Duration Bond Fund |
| Class Name | Administrative Class |
| Trading Symbol | MWLNX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Low Duration Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Administrative Class $36 0.71% |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.71% |
| AssetsNet | $ 1,058,291,219 |
| Holdings Count | Holding | 424 |
| InvestmentCompanyPortfolioTurnover | 214% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $1,058,291,219 # of Portfolio Holdings 424 Portfolio Turnover Rate 214% |
| Holdings [Text Block] | Mortgage-Backed 57.01% Corporates 27.75% U.S. Treasury Securities 12.44% Short-Term Investments 12.34% Asset-Backed Securities 8.46% Bank Loans 1.25% Municipal Bonds 1.14% Liabilities in Excess of Other Assets (20.39)% |
| Largest Holdings [Text Block] | UMBS (TBA) 16.54% U.S. Treasury Notes (WI) 8.32% Ginnie Mae 4.89% U.S. Treasury Notes 4.12% Ginnie Mae (TBA) 3.99% Fannie Mae REMICS 2.56% PRPM LLC 1.79% JPMorgan Mortgage Acquisition Trust 1.69% JPMorgan Chase & Co. 1.57% BX Commercial Mortgage Trust 1.45% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Low Duration Bond Fund was renamed to the TCW MetWest Low Duration Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B285"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003063 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Low Duration Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWLIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Low Duration Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $23 0.44% |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.44% |
| AssetsNet | $ 1,058,291,219 |
| Holdings Count | Holding | 424 |
| InvestmentCompanyPortfolioTurnover | 214% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $1,058,291,219 # of Portfolio Holdings 424 Portfolio Turnover Rate 214% |
| Holdings [Text Block] | Mortgage-Backed 57.01% Corporates 27.75% U.S. Treasury Securities 12.44% Short-Term Investments 12.34% Asset-Backed Securities 8.46% Bank Loans 1.25% Municipal Bonds 1.14% Liabilities in Excess of Other Assets (20.39)% |
| Largest Holdings [Text Block] | UMBS (TBA) 16.54% U.S. Treasury Notes (WI) 8.32% Ginnie Mae 4.89% U.S. Treasury Notes 4.12% Ginnie Mae (TBA) 3.99% Fannie Mae REMICS 2.56% PRPM LLC 1.79% JPMorgan Mortgage Acquisition Trust 1.69% JPMorgan Chase & Co. 1.57% BX Commercial Mortgage Trust 1.45% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Low Duration Bond Fund was renamed to the TCW MetWest Low Duration Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B308"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003064 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Low Duration Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWLDX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Low Duration Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $32 0.63% |
| Expenses Paid, Amount | $ 32 |
| Expense Ratio, Percent | 0.63% |
| AssetsNet | $ 1,058,291,219 |
| Holdings Count | Holding | 424 |
| InvestmentCompanyPortfolioTurnover | 214% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $1,058,291,219 # of Portfolio Holdings 424 Portfolio Turnover Rate 214% |
| Holdings [Text Block] | Mortgage-Backed 57.01% Corporates 27.75% U.S. Treasury Securities 12.44% Short-Term Investments 12.34% Asset-Backed Securities 8.46% Bank Loans 1.25% Municipal Bonds 1.14% Liabilities in Excess of Other Assets (20.39)% |
| Largest Holdings [Text Block] | UMBS (TBA) 16.54% U.S. Treasury Notes (WI) 8.32% Ginnie Mae 4.89% U.S. Treasury Notes 4.12% Ginnie Mae (TBA) 3.99% Fannie Mae REMICS 2.56% PRPM LLC 1.79% JPMorgan Mortgage Acquisition Trust 1.69% JPMorgan Chase & Co. 1.57% BX Commercial Mortgage Trust 1.45% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Low Duration Bond Fund was renamed to the TCW MetWest Low Duration Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B331"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003074 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Strategic Income Fund |
| Class Name | Class I |
| Trading Symbol | MWSIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Strategic Income Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $41 0.80% |
| Expenses Paid, Amount | $ 41 |
| Expense Ratio, Percent | 0.80% |
| AssetsNet | $ 68,904,167 |
| Holdings Count | Holding | 528 |
| InvestmentCompanyPortfolioTurnover | 109% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $68,904,167 # of Portfolio Holdings 528 Portfolio Turnover Rate 109% |
| Holdings [Text Block] | Mortgage-Backed 52.37% Corporates 23.71% Short-Term Investments 18.49% Asset-Backed Securities 15.92% Municipal Bonds 0.15% Common Stock 0.11% Liabilities in Excess of Other Assets (10.75)% |
| Largest Holdings [Text Block] | UMBS (TBA) 5.51% Ginnie Mae (TBA) 3.73% CIM Trust 2.37% SLM Student Loan Trust 2.19% GSAA Home Equity Trust 2.09% FirstKey Homes Trust 1.45% Progress Residential 1.44% JPMorgan Chase & Co. 1.43% Bank of America Corp. 1.32% First Franklin Mortgage Loan Trust 1.22% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Strategic Income Fund was renamed to the TCW MetWest Strategic Income Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B354"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003075 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Strategic Income Fund |
| Class Name | Class M |
| Trading Symbol | MWSTX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Strategic Income Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $53 1.04% |
| Expenses Paid, Amount | $ 53 |
| Expense Ratio, Percent | 1.04% |
| AssetsNet | $ 68,904,167 |
| Holdings Count | Holding | 528 |
| InvestmentCompanyPortfolioTurnover | 109% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $68,904,167 # of Portfolio Holdings 528 Portfolio Turnover Rate 109% |
| Holdings [Text Block] | Mortgage-Backed 52.37% Corporates 23.71% Short-Term Investments 18.49% Asset-Backed Securities 15.92% Municipal Bonds 0.15% Common Stock 0.11% Liabilities in Excess of Other Assets (10.75)% |
| Largest Holdings [Text Block] | UMBS (TBA) 5.51% Ginnie Mae (TBA) 3.73% CIM Trust 2.37% SLM Student Loan Trust 2.19% GSAA Home Equity Trust 2.09% FirstKey Homes Trust 1.45% Progress Residential 1.44% JPMorgan Chase & Co. 1.43% Bank of America Corp. 1.32% First Franklin Mortgage Loan Trust 1.22% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Strategic Income Fund was renamed to the TCW MetWest Strategic Income Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B377"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000228997 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Sustainable Securitized Fund |
| Class Name | Class I |
| Trading Symbol | MWESX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Sustainable Securitized Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $26 0.49% |
| Expenses Paid, Amount | $ 26 |
| Expense Ratio, Percent | 0.49% |
| AssetsNet | $ 11,929,880 |
| Holdings Count | Holding | 158 |
| InvestmentCompanyPortfolioTurnover | 182% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $11,929,880 # of Portfolio Holdings 158 Portfolio Turnover Rate 182% |
| Holdings [Text Block] | Mortgage-Backed 76.83% Asset-Backed Securities 20.59% U.S. Treasury Securities 8.56% Short-Term Investments 4.09% Liabilities in Excess of Other Assets (10.07)% |
| Largest Holdings [Text Block] | Ginnie Mae 7.42% UMBS (TBA) 5.52% U.S. Treasury Bonds (WI) 4.15% Ginnie Mae (TBA) 3.81% U.S. Treasury Notes 3.66% Credit Suisse Mortgage Capital Trust 2.47% BX Trust 2.15% MHC Trust 1.93% Commercial Mortgage Trust 1.79% GoodLeap Sustainable Home Solutions Trust 1.62% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Sustainable Securitized Fund was renamed to the TCW MetWest Sustainable Securitized Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B400"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000228996 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Sustainable Securitized Fund |
| Class Name | Class M |
| Trading Symbol | MWERX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Sustainable Securitized Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $37 0.70% |
| Expenses Paid, Amount | $ 37 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 11,929,880 |
| Holdings Count | Holding | 158 |
| InvestmentCompanyPortfolioTurnover | 182% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $11,929,880 # of Portfolio Holdings 158 Portfolio Turnover Rate 182% |
| Holdings [Text Block] | Mortgage-Backed 76.83% Asset-Backed Securities 20.59% U.S. Treasury Securities 8.56% Short-Term Investments 4.09% Liabilities in Excess of Other Assets (10.07)% |
| Largest Holdings [Text Block] | Ginnie Mae 7.42% UMBS (TBA) 5.52% U.S. Treasury Bonds (WI) 4.15% Ginnie Mae (TBA) 3.81% U.S. Treasury Notes 3.66% Credit Suisse Mortgage Capital Trust 2.47% BX Trust 2.15% MHC Trust 1.93% Commercial Mortgage Trust 1.79% GoodLeap Sustainable Home Solutions Trust 1.62% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Sustainable Securitized Fund was renamed to the TCW MetWest Sustainable Securitized Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B423"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000058170 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Total Return Bond Fund |
| Class Name | Administrative Class |
| Trading Symbol | MWTNX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Total Return Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Administrative Class $40 0.78% |
| Expenses Paid, Amount | $ 40 |
| Expense Ratio, Percent | 0.78% |
| AssetsNet | $ 43,135,561,029 |
| Holdings Count | Holding | 1,608 |
| InvestmentCompanyPortfolioTurnover | 223% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $43,135,561,029 # of Portfolio Holdings 1,608 Portfolio Turnover Rate 223% |
| Holdings [Text Block] | Mortgage-Backed 54.47% U.S. Treasury Securities 29.59% Corporates 17.04% Asset-Backed Securities 5.34% Short-Term Investments 4.26% Bank Loans 1.43% Foreign Government Obligations 0.65% Municipal Bonds 0.41% Common Stock 0.18% Liabilities in Excess of Other Assets (13.37)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 10.06% U.S. Treasury Bonds (WI) 9.64% U.S. Treasury Notes 9.13% UMBS (TBA) 7.66% Ginnie Mae (TBA) 4.99% CIM Trust 4.11% Ginnie Mae 1.14% Fannie Mae Pool MA4626 1.07% Credit Suisse Mortgage Capital Trust 1.06% Bank of America Corp. 0.82% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Total Return Bond Fund was renamed to the TCW MetWest Total Return Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B446"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003065 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Total Return Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWTIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Total Return Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $23 0.45% |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.45% |
| AssetsNet | $ 43,135,561,029 |
| Holdings Count | Holding | 1,608 |
| InvestmentCompanyPortfolioTurnover | 223% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $43,135,561,029 # of Portfolio Holdings 1,608 Portfolio Turnover Rate 223% |
| Holdings [Text Block] | Mortgage-Backed 54.47% U.S. Treasury Securities 29.59% Corporates 17.04% Asset-Backed Securities 5.34% Short-Term Investments 4.26% Bank Loans 1.43% Foreign Government Obligations 0.65% Municipal Bonds 0.41% Common Stock 0.18% Liabilities in Excess of Other Assets (13.37)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 10.06% U.S. Treasury Bonds (WI) 9.64% U.S. Treasury Notes 9.13% UMBS (TBA) 7.66% Ginnie Mae (TBA) 4.99% CIM Trust 4.11% Ginnie Mae 1.14% Fannie Mae Pool MA4626 1.07% Credit Suisse Mortgage Capital Trust 1.06% Bank of America Corp. 0.82% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Total Return Bond Fund was renamed to the TCW MetWest Total Return Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B469"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000218401 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Total Return Bond Fund |
| Class Name | Class I-2 |
| Trading Symbol | MWTTX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Total Return Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I-2 $27 0.52% |
| Expenses Paid, Amount | $ 27 |
| Expense Ratio, Percent | 0.52% |
| AssetsNet | $ 43,135,561,029 |
| Holdings Count | Holding | 1,608 |
| InvestmentCompanyPortfolioTurnover | 223% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $43,135,561,029 # of Portfolio Holdings 1,608 Portfolio Turnover Rate 223% |
| Holdings [Text Block] | Mortgage-Backed 54.47% U.S. Treasury Securities 29.59% Corporates 17.04% Asset-Backed Securities 5.34% Short-Term Investments 4.26% Bank Loans 1.43% Foreign Government Obligations 0.65% Municipal Bonds 0.41% Common Stock 0.18% Liabilities in Excess of Other Assets (13.37)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 10.06% U.S. Treasury Bonds (WI) 9.64% U.S. Treasury Notes 9.13% UMBS (TBA) 7.66% Ginnie Mae (TBA) 4.99% CIM Trust 4.11% Ginnie Mae 1.14% Fannie Mae Pool MA4626 1.07% Credit Suisse Mortgage Capital Trust 1.06% Bank of America Corp. 0.82% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Total Return Bond Fund was renamed to the TCW MetWest Total Return Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B492"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003066 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Total Return Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWTRX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Total Return Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $35 0.67% |
| Expenses Paid, Amount | $ 35 |
| Expense Ratio, Percent | 0.67% |
| AssetsNet | $ 43,135,561,029 |
| Holdings Count | Holding | 1,608 |
| InvestmentCompanyPortfolioTurnover | 223% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $43,135,561,029 # of Portfolio Holdings 1,608 Portfolio Turnover Rate 223% |
| Holdings [Text Block] | Mortgage-Backed 54.47% U.S. Treasury Securities 29.59% Corporates 17.04% Asset-Backed Securities 5.34% Short-Term Investments 4.26% Bank Loans 1.43% Foreign Government Obligations 0.65% Municipal Bonds 0.41% Common Stock 0.18% Liabilities in Excess of Other Assets (13.37)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 10.06% U.S. Treasury Bonds (WI) 9.64% U.S. Treasury Notes 9.13% UMBS (TBA) 7.66% Ginnie Mae (TBA) 4.99% CIM Trust 4.11% Ginnie Mae 1.14% Fannie Mae Pool MA4626 1.07% Credit Suisse Mortgage Capital Trust 1.06% Bank of America Corp. 0.82% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Total Return Bond Fund was renamed to the TCW MetWest Total Return Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B515"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000102908 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Total Return Bond Fund |
| Class Name | Plan Class |
| Trading Symbol | MWTSX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Total Return Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Plan Class $19 0.37% |
| Expenses Paid, Amount | $ 19 |
| Expense Ratio, Percent | 0.37% |
| AssetsNet | $ 43,135,561,029 |
| Holdings Count | Holding | 1,608 |
| InvestmentCompanyPortfolioTurnover | 223% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $43,135,561,029 # of Portfolio Holdings 1,608 Portfolio Turnover Rate 223% |
| Holdings [Text Block] | Mortgage-Backed 54.47% U.S. Treasury Securities 29.59% Corporates 17.04% Asset-Backed Securities 5.34% Short-Term Investments 4.26% Bank Loans 1.43% Foreign Government Obligations 0.65% Municipal Bonds 0.41% Common Stock 0.18% Liabilities in Excess of Other Assets (13.37)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes (WI) 10.06% U.S. Treasury Bonds (WI) 9.64% U.S. Treasury Notes 9.13% UMBS (TBA) 7.66% Ginnie Mae (TBA) 4.99% CIM Trust 4.11% Ginnie Mae 1.14% Fannie Mae Pool MA4626 1.07% Credit Suisse Mortgage Capital Trust 1.06% Bank of America Corp. 0.82% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Total Return Bond Fund was renamed to the TCW MetWest Total Return Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B538"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003072 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Ultra Short Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWUIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Ultra Short Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $17 0.34% |
| Expenses Paid, Amount | $ 17 |
| Expense Ratio, Percent | 0.34% |
| AssetsNet | $ 47,123,670 |
| Holdings Count | Holding | 200 |
| InvestmentCompanyPortfolioTurnover | 262% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $47,123,670 # of Portfolio Holdings 200 Portfolio Turnover Rate 262% |
| Holdings [Text Block] | Mortgage-Backed 45.02% U.S. Treasury Securities 29.24% Corporates 25.92% Short-Term Investments 10.00% Asset-Backed Securities 7.26% Municipal Bonds 0.24% Liabilities in Excess of Other Assets (17.68)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes 19.04% UMBS (TBA) 13.12% Ginnie Mae 7.06% U.S. Treasury Notes (WI) 6.26% Ginnie Mae (TBA) 4.11% U.S. International Development Finance Corp. 3.95% Fannie Mae REMICS 3.48% JPMorgan Chase & Co. 2.40% Bank of America Corp. 2.21% Wells Fargo & Co. 1.95% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Ultra Short Bond Fund was renamed to the TCW MetWest Ultra Short Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B561"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000003073 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Ultra Short Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWUSX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Ultra Short Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $26 0.50% |
| Expenses Paid, Amount | $ 26 |
| Expense Ratio, Percent | 0.50% |
| AssetsNet | $ 47,123,670 |
| Holdings Count | Holding | 200 |
| InvestmentCompanyPortfolioTurnover | 262% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $47,123,670 # of Portfolio Holdings 200 Portfolio Turnover Rate 262% |
| Holdings [Text Block] | Mortgage-Backed 45.02% U.S. Treasury Securities 29.24% Corporates 25.92% Short-Term Investments 10.00% Asset-Backed Securities 7.26% Municipal Bonds 0.24% Liabilities in Excess of Other Assets (17.68)% |
| Largest Holdings [Text Block] | U.S. Treasury Notes 19.04% UMBS (TBA) 13.12% Ginnie Mae 7.06% U.S. Treasury Notes (WI) 6.26% Ginnie Mae (TBA) 4.11% U.S. International Development Finance Corp. 3.95% Fannie Mae REMICS 3.48% JPMorgan Chase & Co. 2.40% Bank of America Corp. 2.21% Wells Fargo & Co. 1.95% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Ultra Short Bond Fund was renamed to the TCW MetWest Ultra Short Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B584"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000105186 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Unconstrained Bond Fund |
| Class Name | Class I |
| Trading Symbol | MWCIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Unconstrained Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class I $39 0.76% |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.76% |
| AssetsNet | $ 2,668,718,507 |
| Holdings Count | Holding | 840 |
| InvestmentCompanyPortfolioTurnover | 78% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,668,718,507 # of Portfolio Holdings 840 Portfolio Turnover Rate 78% |
| Holdings [Text Block] | Mortgage-Backed 60.40% Corporates 18.80% Asset-Backed Securities 13.29% Short-Term Investments 9.72% Bank Loans 3.41% Foreign Government Obligations 1.86% Common Stock 0.40% Municipal Bonds 0.32% Liabilities in Excess of Other Assets (8.20)% |
| Largest Holdings [Text Block] | UMBS (TBA) 4.90% CIM Trust 3.97% Ginnie Mae (TBA) 3.81% SLM Student Loan Trust 1.47% JPMorgan Chase & Co. 1.35% Freddie Mac Pool SD8199 1.22% Freddie Mac Pool SD8275 1.21% IndyMac Index Mortgage Loan Trust 1.13% ACE Securities Corp. Home Equity Loan Trust 1.10% HSI Asset Securitization Corp. Trust 1.01% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Unconstrained Bond Fund was renamed to the TCW MetWest Unconstrained Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B607"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000105185 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Unconstrained Bond Fund |
| Class Name | Class M |
| Trading Symbol | MWCRX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Unconstrained Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Class M $54 1.04% |
| Expenses Paid, Amount | $ 54 |
| Expense Ratio, Percent | 1.04% |
| AssetsNet | $ 2,668,718,507 |
| Holdings Count | Holding | 840 |
| InvestmentCompanyPortfolioTurnover | 78% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,668,718,507 # of Portfolio Holdings 840 Portfolio Turnover Rate 78% |
| Holdings [Text Block] | Mortgage-Backed 60.40% Corporates 18.80% Asset-Backed Securities 13.29% Short-Term Investments 9.72% Bank Loans 3.41% Foreign Government Obligations 1.86% Common Stock 0.40% Municipal Bonds 0.32% Liabilities in Excess of Other Assets (8.20)% |
| Largest Holdings [Text Block] | UMBS (TBA) 4.90% CIM Trust 3.97% Ginnie Mae (TBA) 3.81% SLM Student Loan Trust 1.47% JPMorgan Chase & Co. 1.35% Freddie Mac Pool SD8199 1.22% Freddie Mac Pool SD8275 1.21% IndyMac Index Mortgage Loan Trust 1.13% ACE Securities Corp. Home Equity Loan Trust 1.10% HSI Asset Securitization Corp. Trust 1.01% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Unconstrained Bond Fund was renamed to the TCW MetWest Unconstrained Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B630"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| C000218402 | |
| Shareholder Report [Line Items] | |
| Fund Name | TCW MetWest Unconstrained Bond Fund |
| Class Name | Plan Class |
| Trading Symbol | MWCPX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the TCW MetWest Unconstrained Bond Fund for the six-month period ended 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.tcw.com/Literature/Fund-Literature. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829). |
| Material Fund Change Notice [Text Block] | This report contains material fund changes that occurred during the period ended September 30, 2024. |
| Additional Information Phone Number | 800-386-3829 |
| Additional Information Website | www.tcw.com/Literature/Fund-Literature |
| Expenses [Text Block] | What were the Fund costs for the last six months? (based on a hypothetical $10,000 investment) Class Name Cost of a $10,000 Investment Cost paid as a percentage of a $10,000 investment Plan Class $36 0.70% |
| Expenses Paid, Amount | $ 36 |
| Expense Ratio, Percent | 0.70% |
| AssetsNet | $ 2,668,718,507 |
| Holdings Count | Holding | 840 |
| InvestmentCompanyPortfolioTurnover | 78% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Total Net Assets $2,668,718,507 # of Portfolio Holdings 840 Portfolio Turnover Rate 78% |
| Holdings [Text Block] | Mortgage-Backed 60.40% Corporates 18.80% Asset-Backed Securities 13.29% Short-Term Investments 9.72% Bank Loans 3.41% Foreign Government Obligations 1.86% Common Stock 0.40% Municipal Bonds 0.32% Liabilities in Excess of Other Assets (8.20)% |
| Largest Holdings [Text Block] | UMBS (TBA) 4.90% CIM Trust 3.97% Ginnie Mae (TBA) 3.81% SLM Student Loan Trust 1.47% JPMorgan Chase & Co. 1.35% Freddie Mac Pool SD8199 1.22% Freddie Mac Pool SD8275 1.21% IndyMac Index Mortgage Loan Trust 1.13% ACE Securities Corp. Home Equity Loan Trust 1.10% HSI Asset Securitization Corp. Trust 1.01% |
| Material Fund Change [Text Block] | Material Fund Changes The Metropolitan West Unconstrained Bond Fund was renamed to the TCW MetWest Unconstrained Bond Fund on July 29, 2024. |
| Updated Prospectus Phone Number | 800-386-3829 |
| Updated Prospectus Web Address | www.tcw.com/Literature/Fund-Literature</span>" id="sjs-B653"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: justify;">www.tcw.com/Literature/Fund-Literature</span> |
| Shareholder Report, Holdings (Details) | Sep. 30, 2024 |
| C000003067 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.29% |
| C000003067 | iShares Core S&P 500 ETF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.67% |
| C000003067 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.37% |
| C000003067 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.95% |
| C000003067 | Fannie Mae REMICS, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.94% |
| C000003067 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.89% |
| C000003067 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.75% |
| C000003067 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.65% |
| C000003067 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.47% |
| C000003067 | Morgan Stanley | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.25% |
| C000003067 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.64% |
| C000003067 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.51% |
| C000003067 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 26.17% |
| C000003067 | Mutual Funds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.67% |
| C000003067 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.37% |
| C000003067 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.14% |
| C000003067 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.76% |
| C000003067 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.08% |
| C000201587 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.03% |
| C000201587 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.23% |
| C000201587 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.36% |
| C000201587 | Morgan Stanley | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.08% |
| C000201587 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.33% |
| C000201587 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.98% |
| C000201587 | Goldman Sachs Group, Inc. (The) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.91% |
| C000201587 | Citigroup, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.62% |
| C000201587 | T-Mobile USA, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.49% |
| C000201587 | HSBC Holdings PLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.42% |
| C000201587 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.97% |
| C000201587 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.64% |
| C000201587 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.02% |
| C000201587 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.39% |
| C000201587 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.67% |
| C000201587 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.55% |
| C000201588 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.03% |
| C000201588 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.23% |
| C000201588 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.36% |
| C000201588 | Morgan Stanley | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.08% |
| C000201588 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.33% |
| C000201588 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.98% |
| C000201588 | Goldman Sachs Group, Inc. (The) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.91% |
| C000201588 | Citigroup, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.62% |
| C000201588 | T-Mobile USA, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.49% |
| C000201588 | HSBC Holdings PLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.42% |
| C000201588 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.97% |
| C000201588 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.64% |
| C000201588 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 83.02% |
| C000201588 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.39% |
| C000201588 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.67% |
| C000201588 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.55% |
| C000127913 | Alpha Generation LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.98% |
| C000127913 | EagleView Technology Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.85% |
| C000127913 | Magnite, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.83% |
| C000127913 | Asurion LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.77% |
| C000127913 | Osmosis Buyer Ltd. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.77% |
| C000127913 | Catalent Pharma Solutions, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.68% |
| C000127913 | Xerox Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000127913 | Vantage Elevator Solutions | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.64% |
| C000127913 | Parexel International, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.63% |
| C000127913 | Element Materials Technology Group U.S. Holdings, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000127913 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.49% |
| C000127913 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.42% |
| C000127913 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.49% |
| C000127913 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.99% |
| C000127913 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000127913 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 89.92% |
| C000127913 | Preferred Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.12% |
| C000127912 | Alpha Generation LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.98% |
| C000127912 | EagleView Technology Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.85% |
| C000127912 | Magnite, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.83% |
| C000127912 | Asurion LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.77% |
| C000127912 | Osmosis Buyer Ltd. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.77% |
| C000127912 | Catalent Pharma Solutions, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.68% |
| C000127912 | Xerox Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000127912 | Vantage Elevator Solutions | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.64% |
| C000127912 | Parexel International, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.63% |
| C000127912 | Element Materials Technology Group U.S. Holdings, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000127912 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.49% |
| C000127912 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.42% |
| C000127912 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.49% |
| C000127912 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.99% |
| C000127912 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| C000127912 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 89.92% |
| C000127912 | Preferred Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.12% |
| C000003068 | CCO Holdings LLC/CCO Holdings Capital Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.72% |
| C000003068 | Tenet Healthcare Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| C000003068 | Centene Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.56% |
| C000003068 | Post Holdings, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| C000003068 | Ford Motor Credit Co. LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.74% |
| C000003068 | TransDigm, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000003068 | CSC Holdings LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.37% |
| C000003068 | Frontier Communications Holdings LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.31% |
| C000003068 | GLP Capital LP/GLP Financing II, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.31% |
| C000003068 | Ferrellgas LP/Ferrellgas Finance Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000003068 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000003068 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 73.64% |
| C000003068 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.51% |
| C000003068 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.10% |
| C000003069 | CCO Holdings LLC/CCO Holdings Capital Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.72% |
| C000003069 | Tenet Healthcare Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.60% |
| C000003069 | Centene Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.56% |
| C000003069 | Post Holdings, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| C000003069 | Ford Motor Credit Co. LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.74% |
| C000003069 | TransDigm, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000003069 | CSC Holdings LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.37% |
| C000003069 | Frontier Communications Holdings LLC | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.31% |
| C000003069 | GLP Capital LP/GLP Financing II, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.31% |
| C000003069 | Ferrellgas LP/Ferrellgas Finance Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000003069 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000003069 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 73.64% |
| C000003069 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.51% |
| C000003069 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.10% |
| C000003070 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.84% |
| C000003070 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.24% |
| C000003070 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.28% |
| C000003070 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.78% |
| C000003070 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.05% |
| C000003070 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.74% |
| C000003070 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.86% |
| C000003070 | Fannie Mae Pool MA4733 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.94% |
| C000003070 | PRPM LLC, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.67% |
| C000003070 | WarnerMedia Holdings, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.63% |
| C000003070 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.38% |
| C000003070 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 26.06% |
| C000003070 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.74% |
| C000003070 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.09% |
| C000003070 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.99% |
| C000003070 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.85% |
| C000003070 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.06% |
| C000003070 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.84% |
| C000003071 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.84% |
| C000003071 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 37.24% |
| C000003071 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.28% |
| C000003071 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.78% |
| C000003071 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.05% |
| C000003071 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.74% |
| C000003071 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.86% |
| C000003071 | Fannie Mae Pool MA4733 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.94% |
| C000003071 | PRPM LLC, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.67% |
| C000003071 | WarnerMedia Holdings, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.63% |
| C000003071 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.38% |
| C000003071 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 26.06% |
| C000003071 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.74% |
| C000003071 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.09% |
| C000003071 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.99% |
| C000003071 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.85% |
| C000003071 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.06% |
| C000003071 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.84% |
| C000201585 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| C000201585 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.07% |
| C000201585 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.17% |
| C000201585 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.06% |
| C000201585 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.27% |
| C000201585 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.26% |
| C000201585 | Morgan Stanley | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.39% |
| C000201585 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.89% |
| C000201585 | Goldman Sachs Group, Inc. (The) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.84% |
| C000201585 | Citigroup, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.03% |
| C000201585 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.55% |
| C000201585 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.22% |
| C000201585 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.20% |
| C000201585 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 24.95% |
| C000201585 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.04% |
| C000201585 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.65% |
| C000201586 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.60% |
| C000201586 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.07% |
| C000201586 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.17% |
| C000201586 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.06% |
| C000201586 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.27% |
| C000201586 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.26% |
| C000201586 | Morgan Stanley | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.39% |
| C000201586 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.89% |
| C000201586 | Goldman Sachs Group, Inc. (The) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.84% |
| C000201586 | Citigroup, Inc. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.03% |
| C000201586 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.55% |
| C000201586 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 30.22% |
| C000201586 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.20% |
| C000201586 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 24.95% |
| C000201586 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.04% |
| C000201586 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.65% |
| C000058169 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.54% |
| C000058169 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.32% |
| C000058169 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.89% |
| C000058169 | Fannie Mae REMICS, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.56% |
| C000058169 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.99% |
| C000058169 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.57% |
| C000058169 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.12% |
| C000058169 | PRPM LLC, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.79% |
| C000058169 | JPMorgan Mortgage Acquisition Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.69% |
| C000058169 | BX Commercial Mortgage Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.45% |
| C000058169 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.34% |
| C000058169 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 57.01% |
| C000058169 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000058169 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.44% |
| C000058169 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000058169 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000058169 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.25% |
| C000003063 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.54% |
| C000003063 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.32% |
| C000003063 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.89% |
| C000003063 | Fannie Mae REMICS, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.56% |
| C000003063 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.99% |
| C000003063 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.57% |
| C000003063 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.12% |
| C000003063 | PRPM LLC, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.79% |
| C000003063 | JPMorgan Mortgage Acquisition Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.69% |
| C000003063 | BX Commercial Mortgage Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.45% |
| C000003063 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.34% |
| C000003063 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 57.01% |
| C000003063 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000003063 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.44% |
| C000003063 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000003063 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000003063 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.25% |
| C000003064 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.54% |
| C000003064 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.32% |
| C000003064 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.89% |
| C000003064 | Fannie Mae REMICS, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.56% |
| C000003064 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.99% |
| C000003064 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.57% |
| C000003064 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.12% |
| C000003064 | PRPM LLC, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.79% |
| C000003064 | JPMorgan Mortgage Acquisition Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.69% |
| C000003064 | BX Commercial Mortgage Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.45% |
| C000003064 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.34% |
| C000003064 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 57.01% |
| C000003064 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000003064 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.44% |
| C000003064 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000003064 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000003064 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.25% |
| C000003074 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.51% |
| C000003074 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.73% |
| C000003074 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.32% |
| C000003074 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000003074 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.37% |
| C000003074 | SLM Student Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.19% |
| C000003074 | GSAA Home Equity Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.09% |
| C000003074 | FirstKey Homes Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.45% |
| C000003074 | Progress Residential, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.44% |
| C000003074 | First Franklin Mortgage Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000003074 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.49% |
| C000003074 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 52.37% |
| C000003074 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.71% |
| C000003074 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.92% |
| C000003074 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.15% |
| C000003074 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.11% |
| C000003075 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.51% |
| C000003075 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.73% |
| C000003075 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.32% |
| C000003075 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000003075 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.37% |
| C000003075 | SLM Student Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.19% |
| C000003075 | GSAA Home Equity Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.09% |
| C000003075 | FirstKey Homes Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.45% |
| C000003075 | Progress Residential, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.44% |
| C000003075 | First Franklin Mortgage Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000003075 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.49% |
| C000003075 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 52.37% |
| C000003075 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 23.71% |
| C000003075 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.92% |
| C000003075 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.15% |
| C000003075 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.11% |
| C000228997 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.52% |
| C000228997 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.42% |
| C000228997 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.81% |
| C000228997 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000228997 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.66% |
| C000228997 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.47% |
| C000228997 | BX Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.15% |
| C000228997 | MHC Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.93% |
| C000228997 | Commercial Mortgage Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.79% |
| C000228997 | GoodLeap Sustainable Home Solutions Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.62% |
| C000228997 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.09% |
| C000228997 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 76.83% |
| C000228997 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.56% |
| C000228997 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.59% |
| C000228996 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.52% |
| C000228996 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.42% |
| C000228996 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.81% |
| C000228996 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000228996 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.66% |
| C000228996 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.47% |
| C000228996 | BX Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.15% |
| C000228996 | MHC Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.93% |
| C000228996 | Commercial Mortgage Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.79% |
| C000228996 | GoodLeap Sustainable Home Solutions Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.62% |
| C000228996 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.09% |
| C000228996 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 76.83% |
| C000228996 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.56% |
| C000228996 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 20.59% |
| C000058170 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.66% |
| C000058170 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.06% |
| C000058170 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000058170 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.99% |
| C000058170 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.82% |
| C000058170 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.64% |
| C000058170 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.13% |
| C000058170 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000058170 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.06% |
| C000058170 | Fannie Mae Pool MA4626 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.07% |
| C000058170 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.26% |
| C000058170 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.47% |
| C000058170 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.04% |
| C000058170 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.59% |
| C000058170 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.34% |
| C000058170 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.41% |
| C000058170 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.18% |
| C000058170 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000058170 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000003065 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.66% |
| C000003065 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.06% |
| C000003065 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000003065 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.99% |
| C000003065 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.82% |
| C000003065 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.64% |
| C000003065 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.13% |
| C000003065 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000003065 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.06% |
| C000003065 | Fannie Mae Pool MA4626 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.07% |
| C000003065 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.26% |
| C000003065 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.47% |
| C000003065 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.04% |
| C000003065 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.59% |
| C000003065 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.34% |
| C000003065 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.41% |
| C000003065 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.18% |
| C000003065 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000003065 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000218401 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.66% |
| C000218401 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.06% |
| C000218401 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000218401 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.99% |
| C000218401 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.82% |
| C000218401 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.64% |
| C000218401 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.13% |
| C000218401 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000218401 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.06% |
| C000218401 | Fannie Mae Pool MA4626 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.07% |
| C000218401 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.26% |
| C000218401 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.47% |
| C000218401 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.04% |
| C000218401 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.59% |
| C000218401 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.34% |
| C000218401 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.41% |
| C000218401 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.18% |
| C000218401 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000218401 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000003066 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.66% |
| C000003066 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.06% |
| C000003066 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000003066 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.99% |
| C000003066 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.82% |
| C000003066 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.64% |
| C000003066 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.13% |
| C000003066 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000003066 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.06% |
| C000003066 | Fannie Mae Pool MA4626 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.07% |
| C000003066 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.26% |
| C000003066 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.47% |
| C000003066 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.04% |
| C000003066 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.59% |
| C000003066 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.34% |
| C000003066 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.41% |
| C000003066 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.18% |
| C000003066 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000003066 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000102908 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.66% |
| C000102908 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.06% |
| C000102908 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.14% |
| C000102908 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.99% |
| C000102908 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.82% |
| C000102908 | U.S. Treasury Bonds (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.64% |
| C000102908 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.13% |
| C000102908 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000102908 | Credit Suisse Mortgage Capital Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.06% |
| C000102908 | Fannie Mae Pool MA4626 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.07% |
| C000102908 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.26% |
| C000102908 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 54.47% |
| C000102908 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.04% |
| C000102908 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.59% |
| C000102908 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.34% |
| C000102908 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.41% |
| C000102908 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.18% |
| C000102908 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.43% |
| C000102908 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.65% |
| C000003072 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.12% |
| C000003072 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.26% |
| C000003072 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.06% |
| C000003072 | Fannie Mae REMICS, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.48% |
| C000003072 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000003072 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.21% |
| C000003072 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| C000003072 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.95% |
| C000003072 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.04% |
| C000003072 | U.S. International Development Finance Corp., | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.95% |
| C000003072 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| C000003072 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 45.02% |
| C000003072 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25.92% |
| C000003072 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.24% |
| C000003072 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.26% |
| C000003072 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.24% |
| C000003073 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.12% |
| C000003073 | U.S. Treasury Notes (WI) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.26% |
| C000003073 | Ginnie Mae, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.06% |
| C000003073 | Fannie Mae REMICS, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.48% |
| C000003073 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.11% |
| C000003073 | Bank of America Corp. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.21% |
| C000003073 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| C000003073 | Wells Fargo & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.95% |
| C000003073 | U.S. Treasury Notes | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 19.04% |
| C000003073 | U.S. International Development Finance Corp., | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.95% |
| C000003073 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10% |
| C000003073 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 45.02% |
| C000003073 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 25.92% |
| C000003073 | U.S. Treasury Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.24% |
| C000003073 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.26% |
| C000003073 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.24% |
| C000105186 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| C000105186 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.81% |
| C000105186 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.35% |
| C000105186 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.97% |
| C000105186 | SLM Student Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.47% |
| C000105186 | Freddie Mac Pool SD8199 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000105186 | Freddie Mac Pool SD8275 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.21% |
| C000105186 | IndyMac Index Mortgage Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.13% |
| C000105186 | ACE Securities Corp. Home Equity Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| C000105186 | HSI Asset Securitization Corp. Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.01% |
| C000105186 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.72% |
| C000105186 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 60.40% |
| C000105186 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.80% |
| C000105186 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.29% |
| C000105186 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.32% |
| C000105186 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| C000105186 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.41% |
| C000105186 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.86% |
| C000105185 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| C000105185 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.81% |
| C000105185 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.35% |
| C000105185 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.97% |
| C000105185 | SLM Student Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.47% |
| C000105185 | Freddie Mac Pool SD8199 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000105185 | Freddie Mac Pool SD8275 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.21% |
| C000105185 | IndyMac Index Mortgage Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.13% |
| C000105185 | ACE Securities Corp. Home Equity Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| C000105185 | HSI Asset Securitization Corp. Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.01% |
| C000105185 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.72% |
| C000105185 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 60.40% |
| C000105185 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.80% |
| C000105185 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.29% |
| C000105185 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.32% |
| C000105185 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| C000105185 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.41% |
| C000105185 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.86% |
| C000218402 | UMBS (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| C000218402 | Ginnie Mae (TBA) | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.81% |
| C000218402 | JPMorgan Chase & Co. | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.35% |
| C000218402 | CIM Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.97% |
| C000218402 | SLM Student Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.47% |
| C000218402 | Freddie Mac Pool SD8199 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.22% |
| C000218402 | Freddie Mac Pool SD8275 | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.21% |
| C000218402 | IndyMac Index Mortgage Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.13% |
| C000218402 | ACE Securities Corp. Home Equity Loan Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| C000218402 | HSI Asset Securitization Corp. Trust, | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.01% |
| C000218402 | Short-Term Investments | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.72% |
| C000218402 | Mortgage-Backed | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 60.40% |
| C000218402 | Corporates | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.80% |
| C000218402 | Asset-Backed Securities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.29% |
| C000218402 | Municipal Bonds | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.32% |
| C000218402 | Common Stock | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| C000218402 | Bank Loans | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.41% |
| C000218402 | Foreign Government Obligations | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.86% |
