This semi-annual shareholder report contains important information about the TCW Central Cash Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

<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: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.tcw.com/products/mutual-funds</span>

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Composite	$1	0.01%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 1

Expense Ratio, Percent

0.01%

^[1]

AssetsNet

$ 4,463,064,857

Holdings Count | Holding

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$4,463,064,857
# of Portfolio Holdings37

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Repurchase Agreement	40.3%
U.S. Government Agency Obligations	37.6%
U.S. Treasury Securities	33.6%
Short-Term Investments	0.1%
Liabilities in Excess of Other Assets	(11.6%)

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Bank of America NA, 3.64%, due 05/01/26	11.2%
Barclays Capital, Inc., 3.64%, due 05/01/26	11.2%
JP Morgan Securities, 3.64%, due 05/01/26	11.2%
U.S. Treasury Bills, 3.65%, due 06/04/26	6.7%
Bank of Montreal, 3.64%, due 05/08/26	6.7%
U.S. Treasury Bills, 5.16%, due 05/07/26	5.9%
U.S. Treasury Bills, 3.67%, due 06/04/26	4.7%
U.S. Treasury Bills, 3.57%, due 06/11/26	3.1%
U.S. Treasury Bills, 3.69%, due 05/12/26	2.5%
U.S. Treasury Floating Rate Notes, 3.83%, due 10/31/26	2.2%

Accountant Change Date

Apr. 30, 2026

C000263822

Shareholder Report [Line Items]

Fund Name

TCW Concentrated Large Cap Growth Fund

Class Name

Class I-3

Trading Symbol

TGCZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Concentrated Large Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I-3	$42	0.88%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 42

Expense Ratio, Percent

0.88%

^[2]

AssetsNet

$ 683,595,729

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

9.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$683,595,729
# of Portfolio Holdings31
Portfolio Turnover Rate9%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	48.4%
Communication Services	15.3%
Consumer Discretionary	8.6%
Financials	8.4%
Industrials	6.8%
Health Care	6.3%
Consumer Staples	3.3%
Real Estate	2.1%
Other^{Footnote Reference*}	0.8%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA Corp.	16.5%
Alphabet, Inc.	9.6%
Broadcom, Inc.	7.3%
Microsoft Corp.	6.6%
Amazon.com, Inc.	6.5%
Meta Platforms, Inc.	4.1%
Visa, Inc.	3.6%
ASML Holding NV	3.3%
Costco Wholesale Corp.	3.3%
Mastercard, Inc.	3.0%

Accountant Change Date

Apr. 30, 2026

C000017399

Shareholder Report [Line Items]

Fund Name

TCW Concentrated Large Cap Growth Fund

Class Name

Class I

Trading Symbol

TGCEX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Concentrated Large Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$38	0.78%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 38

Expense Ratio, Percent

0.78%

^[3]

AssetsNet

$ 683,595,729

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

9.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$683,595,729
# of Portfolio Holdings31
Portfolio Turnover Rate9%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	48.4%
Communication Services	15.3%
Consumer Discretionary	8.6%
Financials	8.4%
Industrials	6.8%
Health Care	6.3%
Consumer Staples	3.3%
Real Estate	2.1%
Other^{Footnote Reference*}	0.8%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA Corp.	16.5%
Alphabet, Inc.	9.6%
Broadcom, Inc.	7.3%
Microsoft Corp.	6.6%
Amazon.com, Inc.	6.5%
Meta Platforms, Inc.	4.1%
Visa, Inc.	3.6%
ASML Holding NV	3.3%
Costco Wholesale Corp.	3.3%
Mastercard, Inc.	3.0%

Accountant Change Date

Apr. 30, 2026

C000017400

Shareholder Report [Line Items]

Fund Name

TCW Concentrated Large Cap Growth Fund

Class Name

Class N

Trading Symbol

TGCNX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Concentrated Large Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$43	0.89%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 43

Expense Ratio, Percent

0.89%

^[4]

AssetsNet

$ 683,595,729

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

9.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$683,595,729
# of Portfolio Holdings31
Portfolio Turnover Rate9%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	48.4%
Communication Services	15.3%
Consumer Discretionary	8.6%
Financials	8.4%
Industrials	6.8%
Health Care	6.3%
Consumer Staples	3.3%
Real Estate	2.1%
Other^{Footnote Reference*}	0.8%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
NVIDIA Corp.	16.5%
Alphabet, Inc.	9.6%
Broadcom, Inc.	7.3%
Microsoft Corp.	6.6%
Amazon.com, Inc.	6.5%
Meta Platforms, Inc.	4.1%
Visa, Inc.	3.6%
ASML Holding NV	3.3%
Costco Wholesale Corp.	3.3%
Mastercard, Inc.	3.0%

Accountant Change Date

Apr. 30, 2026

C000039809

Shareholder Report [Line Items]

Fund Name

TCW Conservative Allocation Fund

Class Name

Class I

Trading Symbol

TGPCX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$12	0.24%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 12

Expense Ratio, Percent

0.24%

^[5]

AssetsNet

$ 35,295,771

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

14.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$35,295,771
# of Portfolio Holdings20
Portfolio Turnover Rate14%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Diversified Fixed Income Funds	64.8%
Diversified Equity Funds	20.7%
Exchange-Traded Funds	13.7%
Exchange-Traded Notes	0.6%
Short-Term Investments	0.3%
Liabilities in Excess of Other Assets	(0.1%)

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
TCW Securitized Bond Fund, Class I	24.7%
TCW MetWest Total Return Bonds Fund, Class I	23.3%
TCW MetWest Unconstrained Bonds Fund, Class I	10.6%
TCW Relative Value Large Cap Fund, Class I	10.3%
TCW Concentrated Large Cap Growth Fund, Class I	4.3%
TCW Artificial Intelligence ETF	4.0%
TCW Transform Systems ETF	3.3%
TCW Global Real Estate Fund, Class I	3.1%
TCW Global Bond Fund, Class I	2.5%
iShares MSCI EAFE ETF	2.2%

Accountant Change Date

Apr. 30, 2026

C000038019

Shareholder Report [Line Items]

Fund Name

TCW Conservative Allocation Fund

Class Name

Class N

Trading Symbol

TGPNX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Conservative Allocation Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$34	0.68%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 34

Expense Ratio, Percent

0.68%

^[6]

AssetsNet

$ 35,295,771

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

14.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$35,295,771
# of Portfolio Holdings20
Portfolio Turnover Rate14%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Diversified Fixed Income Funds	64.8%
Diversified Equity Funds	20.7%
Exchange-Traded Funds	13.7%
Exchange-Traded Notes	0.6%
Short-Term Investments	0.3%
Liabilities in Excess of Other Assets	(0.1%)

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
TCW Securitized Bond Fund, Class I	24.7%
TCW MetWest Total Return Bonds Fund, Class I	23.3%
TCW MetWest Unconstrained Bonds Fund, Class I	10.6%
TCW Relative Value Large Cap Fund, Class I	10.3%
TCW Concentrated Large Cap Growth Fund, Class I	4.3%
TCW Artificial Intelligence ETF	4.0%
TCW Transform Systems ETF	3.3%
TCW Global Real Estate Fund, Class I	3.1%
TCW Global Bond Fund, Class I	2.5%
iShares MSCI EAFE ETF	2.2%

Accountant Change Date

Apr. 30, 2026

C000263824

Shareholder Report [Line Items]

Fund Name

TCW Core Fixed Income Fund

Class Name

Class I-3

Trading Symbol

TGCQX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I-3	$26	0.53%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 26

Expense Ratio, Percent

0.53%

^[7]

AssetsNet

$ 478,173,680

Holdings Count | Holding

420

InvestmentCompanyPortfolioTurnover

219.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$478,173,680
# of Portfolio Holdings420
Portfolio Turnover Rate219%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	37.1%
U.S. Treasury Securities	29.7%
Corporate Bonds	14.8%
Short-Term Investments	8.8%
Asset-Backed Securities	8.4%
Residential Mortgage-Backed Securities - Non-Agency	8.2%
Commercial Mortgage-Backed Securities - Non-Agency	5.2%
Foreign Government Bonds	1.5%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(13.7%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
U.S. Treasury Notes, 3.88%, due 04/30/31	10.6%
U.S. Treasury Notes, 3.75%, due 04/30/28	3.7%
U.S. Treasury Bonds, 4.63%, due 02/15/46	3.6%
U.S. Treasury Notes, 4.13%, due 02/15/36	3.5%
U.S. Treasury Notes, 4.13%, due 04/30/33	3.4%
Uniform Mortgage-Backed Security, TBA, 4.00%, due 06/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.8%
Uniform Mortgage-Backed Security, TBA, 4.50%, due 02/01/56	2.2%
U.S. Treasury Notes, 3.88%, due 03/31/28	2.1%
U.S. Treasury Bonds, 4.75%, due 02/15/56	1.8%

Accountant Change Date

Apr. 30, 2026

C000017419

Shareholder Report [Line Items]

Fund Name

TCW Core Fixed Income Fund

Class Name

Class I

Trading Symbol

TGCFX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$24	0.49%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 24

Expense Ratio, Percent

0.49%

^[8]

AssetsNet

$ 478,173,680

Holdings Count | Holding

420

InvestmentCompanyPortfolioTurnover

219.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$478,173,680
# of Portfolio Holdings420
Portfolio Turnover Rate219%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	37.1%
U.S. Treasury Securities	29.7%
Corporate Bonds	14.8%
Short-Term Investments	8.8%
Asset-Backed Securities	8.4%
Residential Mortgage-Backed Securities - Non-Agency	8.2%
Commercial Mortgage-Backed Securities - Non-Agency	5.2%
Foreign Government Bonds	1.5%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(13.7%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
U.S. Treasury Notes, 3.88%, due 04/30/31	10.6%
U.S. Treasury Notes, 3.75%, due 04/30/28	3.7%
U.S. Treasury Bonds, 4.63%, due 02/15/46	3.6%
U.S. Treasury Notes, 4.13%, due 02/15/36	3.5%
U.S. Treasury Notes, 4.13%, due 04/30/33	3.4%
Uniform Mortgage-Backed Security, TBA, 4.00%, due 06/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.8%
Uniform Mortgage-Backed Security, TBA, 4.50%, due 02/01/56	2.2%
U.S. Treasury Notes, 3.88%, due 03/31/28	2.1%
U.S. Treasury Bonds, 4.75%, due 02/15/56	1.8%

Accountant Change Date

Apr. 30, 2026

C000017420

Shareholder Report [Line Items]

Fund Name

TCW Core Fixed Income Fund

Class Name

Class N

Trading Symbol

TGFNX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$29	0.59%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 29

Expense Ratio, Percent

0.59%

^[9]

AssetsNet

$ 478,173,680

Holdings Count | Holding

420

InvestmentCompanyPortfolioTurnover

219.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$478,173,680
# of Portfolio Holdings420
Portfolio Turnover Rate219%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	37.1%
U.S. Treasury Securities	29.7%
Corporate Bonds	14.8%
Short-Term Investments	8.8%
Asset-Backed Securities	8.4%
Residential Mortgage-Backed Securities - Non-Agency	8.2%
Commercial Mortgage-Backed Securities - Non-Agency	5.2%
Foreign Government Bonds	1.5%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(13.7%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
U.S. Treasury Notes, 3.88%, due 04/30/31	10.6%
U.S. Treasury Notes, 3.75%, due 04/30/28	3.7%
U.S. Treasury Bonds, 4.63%, due 02/15/46	3.6%
U.S. Treasury Notes, 4.13%, due 02/15/36	3.5%
U.S. Treasury Notes, 4.13%, due 04/30/33	3.4%
Uniform Mortgage-Backed Security, TBA, 4.00%, due 06/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.8%
Uniform Mortgage-Backed Security, TBA, 4.50%, due 02/01/56	2.2%
U.S. Treasury Notes, 3.88%, due 03/31/28	2.1%
U.S. Treasury Bonds, 4.75%, due 02/15/56	1.8%

Accountant Change Date

Apr. 30, 2026

C000218395

Shareholder Report [Line Items]

Fund Name

TCW Core Fixed Income Fund

Class Name

Plan Class

Trading Symbol

TGCPX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Plan Class	$22	0.44%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 22

Expense Ratio, Percent

0.44%

^[10]

AssetsNet

$ 478,173,680

Holdings Count | Holding

420

InvestmentCompanyPortfolioTurnover

219.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$478,173,680
# of Portfolio Holdings420
Portfolio Turnover Rate219%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	37.1%
U.S. Treasury Securities	29.7%
Corporate Bonds	14.8%
Short-Term Investments	8.8%
Asset-Backed Securities	8.4%
Residential Mortgage-Backed Securities - Non-Agency	8.2%
Commercial Mortgage-Backed Securities - Non-Agency	5.2%
Foreign Government Bonds	1.5%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(13.7%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
U.S. Treasury Notes, 3.88%, due 04/30/31	10.6%
U.S. Treasury Notes, 3.75%, due 04/30/28	3.7%
U.S. Treasury Bonds, 4.63%, due 02/15/46	3.6%
U.S. Treasury Notes, 4.13%, due 02/15/36	3.5%
U.S. Treasury Notes, 4.13%, due 04/30/33	3.4%
Uniform Mortgage-Backed Security, TBA, 4.00%, due 06/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.8%
Uniform Mortgage-Backed Security, TBA, 4.50%, due 02/01/56	2.2%
U.S. Treasury Notes, 3.88%, due 03/31/28	2.1%
U.S. Treasury Bonds, 4.75%, due 02/15/56	1.8%

Accountant Change Date

Apr. 30, 2026

C000263826

Shareholder Report [Line Items]

Fund Name

TCW Emerging Markets Income Fund

Class Name

Class I-3

Trading Symbol

TGEZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Emerging Markets Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I-3	$46	0.92%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.92%

^[11]

AssetsNet

$ 4,095,870,791

Holdings Count | Holding

291

InvestmentCompanyPortfolioTurnover

42.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$4,095,870,791
# of Portfolio Holdings291
Portfolio Turnover Rate42%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Government	58.4%
Short-Term Investments	13.8%
Energy	10.3%
Basic Materials	5.2%
Utilities	4.9%
Financial	4.1%
Industrial	1.4%
Communications	0.9%
Other^{Footnote Reference*}	1.0%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Argentina Republic Government International Bonds, 3.50%, due 07/09/41	1.8%
Angola Government International Bonds, 9.88%, due 10/15/35	1.6%
Argentina Republic Government International Bonds, 4.13%, due 07/09/35	1.6%
Saudi Arabian Oil Co., 5.25%, due 07/17/34	1.3%
Ecopetrol SA, 8.38%, due 01/19/36	1.1%
Mexico Government International Bonds, 6.88%, due 05/13/37	1.1%
Gabon Government International Bonds, 6.63%, due 02/06/31	1.1%
Hungary Government International Bonds, 5.50%, due 03/26/36	1.1%
Argentina Republic Government International Bonds, 5.00%, due 01/09/38	1.1%
Romania Government International Bonds, 7.13%, due 01/17/33	1.0%

Accountant Change Date

Apr. 30, 2026

C000017426

Shareholder Report [Line Items]

Fund Name

TCW Emerging Markets Income Fund

Class Name

Class I

Trading Symbol

TGEIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Emerging Markets Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$43	0.85%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 43

Expense Ratio, Percent

0.85%

^[12]

AssetsNet

$ 4,095,870,791

Holdings Count | Holding

291

InvestmentCompanyPortfolioTurnover

42.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$4,095,870,791
# of Portfolio Holdings291
Portfolio Turnover Rate42%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Government	58.4%
Short-Term Investments	13.8%
Energy	10.3%
Basic Materials	5.2%
Utilities	4.9%
Financial	4.1%
Industrial	1.4%
Communications	0.9%
Other^{Footnote Reference*}	1.0%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Argentina Republic Government International Bonds, 3.50%, due 07/09/41	1.8%
Angola Government International Bonds, 9.88%, due 10/15/35	1.6%
Argentina Republic Government International Bonds, 4.13%, due 07/09/35	1.6%
Saudi Arabian Oil Co., 5.25%, due 07/17/34	1.3%
Ecopetrol SA, 8.38%, due 01/19/36	1.1%
Mexico Government International Bonds, 6.88%, due 05/13/37	1.1%
Gabon Government International Bonds, 6.63%, due 02/06/31	1.1%
Hungary Government International Bonds, 5.50%, due 03/26/36	1.1%
Argentina Republic Government International Bonds, 5.00%, due 01/09/38	1.1%
Romania Government International Bonds, 7.13%, due 01/17/33	1.0%

Accountant Change Date

Apr. 30, 2026

C000017427

Shareholder Report [Line Items]

Fund Name

TCW Emerging Markets Income Fund

Class Name

Class N

Trading Symbol

TGINX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Emerging Markets Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$47	0.94%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 47

Expense Ratio, Percent

0.94%

^[13]

AssetsNet

$ 4,095,870,791

Holdings Count | Holding

291

InvestmentCompanyPortfolioTurnover

42.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$4,095,870,791
# of Portfolio Holdings291
Portfolio Turnover Rate42%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Government	58.4%
Short-Term Investments	13.8%
Energy	10.3%
Basic Materials	5.2%
Utilities	4.9%
Financial	4.1%
Industrial	1.4%
Communications	0.9%
Other^{Footnote Reference*}	1.0%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Argentina Republic Government International Bonds, 3.50%, due 07/09/41	1.8%
Angola Government International Bonds, 9.88%, due 10/15/35	1.6%
Argentina Republic Government International Bonds, 4.13%, due 07/09/35	1.6%
Saudi Arabian Oil Co., 5.25%, due 07/17/34	1.3%
Ecopetrol SA, 8.38%, due 01/19/36	1.1%
Mexico Government International Bonds, 6.88%, due 05/13/37	1.1%
Gabon Government International Bonds, 6.63%, due 02/06/31	1.1%
Hungary Government International Bonds, 5.50%, due 03/26/36	1.1%
Argentina Republic Government International Bonds, 5.00%, due 01/09/38	1.1%
Romania Government International Bonds, 7.13%, due 01/17/33	1.0%

Accountant Change Date

Apr. 30, 2026

C000218396

Shareholder Report [Line Items]

Fund Name

TCW Emerging Markets Income Fund

Class Name

Plan Class

Trading Symbol

TGEPX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Emerging Markets Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Plan Class	$39	0.77%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 39

Expense Ratio, Percent

0.77%

^[14]

AssetsNet

$ 4,095,870,791

Holdings Count | Holding

291

InvestmentCompanyPortfolioTurnover

42.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$4,095,870,791
# of Portfolio Holdings291
Portfolio Turnover Rate42%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Government	58.4%
Short-Term Investments	13.8%
Energy	10.3%
Basic Materials	5.2%
Utilities	4.9%
Financial	4.1%
Industrial	1.4%
Communications	0.9%
Other^{Footnote Reference*}	1.0%
Other Assets in Excess of Liabilities	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Argentina Republic Government International Bonds, 3.50%, due 07/09/41	1.8%
Angola Government International Bonds, 9.88%, due 10/15/35	1.6%
Argentina Republic Government International Bonds, 4.13%, due 07/09/35	1.6%
Saudi Arabian Oil Co., 5.25%, due 07/17/34	1.3%
Ecopetrol SA, 8.38%, due 01/19/36	1.1%
Mexico Government International Bonds, 6.88%, due 05/13/37	1.1%
Gabon Government International Bonds, 6.63%, due 02/06/31	1.1%
Hungary Government International Bonds, 5.50%, due 03/26/36	1.1%
Argentina Republic Government International Bonds, 5.00%, due 01/09/38	1.1%
Romania Government International Bonds, 7.13%, due 01/17/33	1.0%

Accountant Change Date

Apr. 30, 2026

C000094780

Shareholder Report [Line Items]

Fund Name

TCW Emerging Markets Local Currency Income Fund

Class Name

Class I

Trading Symbol

TGWIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Emerging Markets Local Currency Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$43	0.85%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 43

Expense Ratio, Percent

0.85%

^[15]

AssetsNet

$ 57,174,221

Holdings Count | Holding

121

InvestmentCompanyPortfolioTurnover

68.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$57,174,221
# of Portfolio Holdings121
Portfolio Turnover Rate68%

Holdings [Text Block]

Country Composition (as a % of Net Assets)

Table Summary
Short-Term Investments	18.7%
Brazil	11.6%
South Africa	9.0%
Malaysia	7.7%
Mexico	6.7%
Czech Republic	5.5%
Thailand	5.3%
Poland	5.0%
Colombia	4.2%
Other^{Footnote Reference*}	22.5%
Other Assets in Excess of Liabilities	3.8%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Brazil Notas do Tesouro Nacional, 10.00%, due 01/01/31	7.6%
Indonesia Treasury Bonds, 6.50%, due 04/15/36	4.1%
Brazil Notas do Tesouro Nacional, 6.00%, due 05/15/35	4.0%
Turkiye Government Bonds, 37.84%, due 07/14/27	3.5%
Czech Republic Government Bonds, 3.50%, due 05/30/35	3.4%
Republic of South Africa Government Bonds, 8.75%, due 01/31/44	2.2%
China Government Bonds, 2.57%, due 05/20/54	2.2%
Thailand Government Bonds, 2.98%, due 06/17/45	2.1%
Hungary Government Bonds, 3.25%, due 10/22/31	2.1%
Republic of South Africa Government Bonds, 8.88%, due 02/28/35	2.0%

Accountant Change Date

Apr. 30, 2026

C000094781

Shareholder Report [Line Items]

Fund Name

TCW Emerging Markets Local Currency Income Fund

Class Name

Class N

Trading Symbol

TGWNX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Emerging Markets Local Currency Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$46	0.90%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.90%

^[16]

AssetsNet

$ 57,174,221

Holdings Count | Holding

121

InvestmentCompanyPortfolioTurnover

68.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$57,174,221
# of Portfolio Holdings121
Portfolio Turnover Rate68%

Holdings [Text Block]

Country Composition (as a % of Net Assets)

Table Summary
Short-Term Investments	18.7%
Brazil	11.6%
South Africa	9.0%
Malaysia	7.7%
Mexico	6.7%
Czech Republic	5.5%
Thailand	5.3%
Poland	5.0%
Colombia	4.2%
Other^{Footnote Reference*}	22.5%
Other Assets in Excess of Liabilities	3.8%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Brazil Notas do Tesouro Nacional, 10.00%, due 01/01/31	7.6%
Indonesia Treasury Bonds, 6.50%, due 04/15/36	4.1%
Brazil Notas do Tesouro Nacional, 6.00%, due 05/15/35	4.0%
Turkiye Government Bonds, 37.84%, due 07/14/27	3.5%
Czech Republic Government Bonds, 3.50%, due 05/30/35	3.4%
Republic of South Africa Government Bonds, 8.75%, due 01/31/44	2.2%
China Government Bonds, 2.57%, due 05/20/54	2.2%
Thailand Government Bonds, 2.98%, due 06/17/45	2.1%
Hungary Government Bonds, 3.25%, due 10/22/31	2.1%
Republic of South Africa Government Bonds, 8.88%, due 02/28/35	2.0%

Accountant Change Date

Apr. 30, 2026

C000105877

Shareholder Report [Line Items]

Fund Name

TCW Global Bond Fund

Class Name

Class I

Trading Symbol

TGGBX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Global Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$30	0.60%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 30

Expense Ratio, Percent

0.60%

^[17]

AssetsNet

$ 20,431,303

Holdings Count | Holding

405

InvestmentCompanyPortfolioTurnover

142.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$20,431,303
# of Portfolio Holdings405
Portfolio Turnover Rate142%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Foreign Government Bonds	45.5%
Residential Mortgage-Backed Securities - Agency	22.7%
Short-Term Investments	13.0%
Corporate Bonds	10.5%
Asset-Backed Securities	8.0%
Commercial Mortgage-Backed Securities - Non-Agency	4.8%
Residential Mortgage-Backed Securities - Non-Agency	4.3%
U.S. Treasury Securities	2.3%
Other Security Types^{Footnote Reference*}	1.2%
Liabilities in Excess of Other Assets	(12.3%)

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	3.2%
Japan Government Ten Year Bonds, 2.10%, due 12/20/35	3.1%
U.K. Gilts, 4.13%, due 03/07/31	3.1%
U.K. Gilts, 4.50%, due 03/07/35	3.0%
China Government Bonds, 1.63%, due 10/25/30	2.9%
China Government Bonds, 1.83%, due 08/25/35	2.4%
Uniform Mortgage-Backed Security, TBA, 4.00%, due 06/01/55	2.4%
Uniform Mortgage-Backed Security, TBA, 4.50%, due 02/01/56	2.0%
U.K. Gilts, 4.38%, due 03/07/28	2.0%
Bundesrepublik Deutschland Bundesanleihe, 2.60%, due 08/15/35	1.8%

Accountant Change Date

Apr. 30, 2026

C000105878

Shareholder Report [Line Items]

Fund Name

TCW Global Bond Fund

Class Name

Class N

Trading Symbol

TGGFX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Global Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$35	0.70%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 35

Expense Ratio, Percent

0.70%

^[18]

AssetsNet

$ 20,431,303

Holdings Count | Holding

405

InvestmentCompanyPortfolioTurnover

142.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$20,431,303
# of Portfolio Holdings405
Portfolio Turnover Rate142%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Foreign Government Bonds	45.5%
Residential Mortgage-Backed Securities - Agency	22.7%
Short-Term Investments	13.0%
Corporate Bonds	10.5%
Asset-Backed Securities	8.0%
Commercial Mortgage-Backed Securities - Non-Agency	4.8%
Residential Mortgage-Backed Securities - Non-Agency	4.3%
U.S. Treasury Securities	2.3%
Other Security Types^{Footnote Reference*}	1.2%
Liabilities in Excess of Other Assets	(12.3%)

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	3.2%
Japan Government Ten Year Bonds, 2.10%, due 12/20/35	3.1%
U.K. Gilts, 4.13%, due 03/07/31	3.1%
U.K. Gilts, 4.50%, due 03/07/35	3.0%
China Government Bonds, 1.63%, due 10/25/30	2.9%
China Government Bonds, 1.83%, due 08/25/35	2.4%
Uniform Mortgage-Backed Security, TBA, 4.00%, due 06/01/55	2.4%
Uniform Mortgage-Backed Security, TBA, 4.50%, due 02/01/56	2.0%
U.K. Gilts, 4.38%, due 03/07/28	2.0%
Bundesrepublik Deutschland Bundesanleihe, 2.60%, due 08/15/35	1.8%

Accountant Change Date

Apr. 30, 2026

C000148757

Shareholder Report [Line Items]

Fund Name

TCW Global Real Estate Fund

Class Name

Class I

Trading Symbol

TGREX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Global Real Estate Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$47	0.90%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 47

Expense Ratio, Percent

0.90%

^[19]

AssetsNet

$ 43,085,364

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

45.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$43,085,364
# of Portfolio Holdings33
Portfolio Turnover Rate45%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Specialized REITs	31.7%
Industrial REITs	15.5%
Hotels, Restaurants & Leisure	9.6%
Health Care REITs	8.3%
Real Estate Management & Development	8.1%
Residential REITs	6.6%
Diversified REITs	4.9%
Office REITs	4.0%
Other^{Footnote Reference*}	11.3%
Liabilities in Excess of Other Assets	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Equinix, Inc.	8.8%
Welltower, Inc.	8.3%
Prologis, Inc.	7.4%
Iron Mountain, Inc.	5.7%
Digital Realty Trust, Inc.	4.8%
InterContinental Hotels Group PLC	4.2%
Dexus	4.0%
Mid-America Apartment Communities, Inc.	3.8%
American Tower Corp.	3.5%
Goodman Group	3.2%

Accountant Change Date

Apr. 30, 2026

C000148758

Shareholder Report [Line Items]

Fund Name

TCW Global Real Estate Fund

Class Name

Class N

Trading Symbol

TGRYX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Global Real Estate Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$52	1.00%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 52

Expense Ratio, Percent

1.00%

^[20]

AssetsNet

$ 43,085,364

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

45.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$43,085,364
# of Portfolio Holdings33
Portfolio Turnover Rate45%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Specialized REITs	31.7%
Industrial REITs	15.5%
Hotels, Restaurants & Leisure	9.6%
Health Care REITs	8.3%
Real Estate Management & Development	8.1%
Residential REITs	6.6%
Diversified REITs	4.9%
Office REITs	4.0%
Other^{Footnote Reference*}	11.3%
Liabilities in Excess of Other Assets	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Equinix, Inc.	8.8%
Welltower, Inc.	8.3%
Prologis, Inc.	7.4%
Iron Mountain, Inc.	5.7%
Digital Realty Trust, Inc.	4.8%
InterContinental Hotels Group PLC	4.2%
Dexus	4.0%
Mid-America Apartment Communities, Inc.	3.8%
American Tower Corp.	3.5%
Goodman Group	3.2%

Accountant Change Date

Apr. 30, 2026

C000263825

Shareholder Report [Line Items]

Fund Name

TCW Relative Value Large Cap Fund

Class Name

Class I-3

Trading Symbol

TGDZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Relative Value Large Cap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I-3	$41	0.78%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 41

Expense Ratio, Percent

0.78%

^[21]

AssetsNet

$ 553,882,770

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

39.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$553,882,770
# of Portfolio Holdings48
Portfolio Turnover Rate39%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Financials	16.0%
Industrials	13.5%
Health Care	12.5%
Information Technology	12.1%
Energy	8.8%
Real Estate	7.3%
Consumer Discretionary	6.4%
Utilities	6.2%
Other^{Footnote Reference*}	16.9%
Other Assets in Excess of Liabilities	0.3%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Intel Corp.	4.8%
Bank of New York Mellon Corp.	4.0%
JPMorgan Chase & Co.	4.0%
Amazon.com, Inc.	3.7%
Equinix, Inc.	3.7%
Intercontinental Exchange, Inc.	3.3%
AMETEK, Inc.	2.9%
Merck & Co., Inc.	2.9%
Johnson Controls International PLC	2.9%
Walt Disney Co.	2.8%

Accountant Change Date

Apr. 30, 2026

C000017421

Shareholder Report [Line Items]

Fund Name

TCW Relative Value Large Cap Fund

Class Name

Class I

Trading Symbol

TGDIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Relative Value Large Cap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$18	0.35%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 18

Expense Ratio, Percent

0.35%

^[22]

AssetsNet

$ 553,882,770

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

39.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$553,882,770
# of Portfolio Holdings48
Portfolio Turnover Rate39%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Financials	16.0%
Industrials	13.5%
Health Care	12.5%
Information Technology	12.1%
Energy	8.8%
Real Estate	7.3%
Consumer Discretionary	6.4%
Utilities	6.2%
Other^{Footnote Reference*}	16.9%
Other Assets in Excess of Liabilities	0.3%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Intel Corp.	4.8%
Bank of New York Mellon Corp.	4.0%
JPMorgan Chase & Co.	4.0%
Amazon.com, Inc.	3.7%
Equinix, Inc.	3.7%
Intercontinental Exchange, Inc.	3.3%
AMETEK, Inc.	2.9%
Merck & Co., Inc.	2.9%
Johnson Controls International PLC	2.9%
Walt Disney Co.	2.8%

Accountant Change Date

Apr. 30, 2026

C000017422

Shareholder Report [Line Items]

Fund Name

TCW Relative Value Large Cap Fund

Class Name

Class N

Trading Symbol

TGDVX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Relative Value Large Cap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$45	0.85%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 45

Expense Ratio, Percent

0.85%

^[23]

AssetsNet

$ 553,882,770

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

39.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$553,882,770
# of Portfolio Holdings48
Portfolio Turnover Rate39%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Financials	16.0%
Industrials	13.5%
Health Care	12.5%
Information Technology	12.1%
Energy	8.8%
Real Estate	7.3%
Consumer Discretionary	6.4%
Utilities	6.2%
Other^{Footnote Reference*}	16.9%
Other Assets in Excess of Liabilities	0.3%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Intel Corp.	4.8%
Bank of New York Mellon Corp.	4.0%
JPMorgan Chase & Co.	4.0%
Amazon.com, Inc.	3.7%
Equinix, Inc.	3.7%
Intercontinental Exchange, Inc.	3.3%
AMETEK, Inc.	2.9%
Merck & Co., Inc.	2.9%
Johnson Controls International PLC	2.9%
Walt Disney Co.	2.8%

Accountant Change Date

Apr. 30, 2026

C000017415

Shareholder Report [Line Items]

Fund Name

TCW Relative Value Mid Cap Fund

Class Name

Class I

Trading Symbol

TGVOX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Relative Value Mid Cap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$47	0.85%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 47

Expense Ratio, Percent

0.85%

^[24]

AssetsNet

$ 145,695,131

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

33.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$145,695,131
# of Portfolio Holdings54
Portfolio Turnover Rate33%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Industrials	17.1%
Financials	14.5%
Information Technology	12.4%
Utilities	11.1%
Real Estate	10.4%
Health Care	8.0%
Energy	7.0%
Consumer Discretionary	5.0%
Other^{Footnote Reference*}	14.5%
Liabilities in Excess of Other Assets	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
CH Robinson Worldwide, Inc.	3.2%
Entergy Corp.	3.2%
Jabil, Inc.	3.1%
MasTec, Inc.	3.0%
Popular, Inc.	2.9%
Avnet, Inc.	2.8%
Arcosa, Inc.	2.7%
DuPont de Nemours, Inc.	2.7%
NiSource, Inc.	2.7%
Equinix, Inc.	2.5%

Accountant Change Date

Apr. 30, 2026

C000017417

Shareholder Report [Line Items]

Fund Name

TCW Relative Value Mid Cap Fund

Class Name

Class N

Trading Symbol

TGVNX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Relative Value Mid Cap Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$52	0.95%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 52

Expense Ratio, Percent

0.95%

^[25]

AssetsNet

$ 145,695,131

Holdings Count | Holding

InvestmentCompanyPortfolioTurnover

33.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$145,695,131
# of Portfolio Holdings54
Portfolio Turnover Rate33%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Industrials	17.1%
Financials	14.5%
Information Technology	12.4%
Utilities	11.1%
Real Estate	10.4%
Health Care	8.0%
Energy	7.0%
Consumer Discretionary	5.0%
Other^{Footnote Reference*}	14.5%
Liabilities in Excess of Other Assets	0.0%^{Footnote Reference1}

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
CH Robinson Worldwide, Inc.	3.2%
Entergy Corp.	3.2%
Jabil, Inc.	3.1%
MasTec, Inc.	3.0%
Popular, Inc.	2.9%
Avnet, Inc.	2.8%
Arcosa, Inc.	2.7%
DuPont de Nemours, Inc.	2.7%
NiSource, Inc.	2.7%
Equinix, Inc.	2.5%

Accountant Change Date

Apr. 30, 2026

C000263823

Shareholder Report [Line Items]

Fund Name

TCW Securitized Bond Fund

Class Name

Class I-3

Trading Symbol

TGLZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Securitized Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I-3	$29	0.58%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 29

Expense Ratio, Percent

0.58%

^[26]

AssetsNet

$ 1,644,907,043

Holdings Count | Holding

482

InvestmentCompanyPortfolioTurnover

136.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$1,644,907,043
# of Portfolio Holdings482
Portfolio Turnover Rate136%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	68.7%
Residential Mortgage-Backed Securities - Non-Agency	22.3%
Commercial Mortgage-Backed Securities - Non-Agency	14.2%
Asset-Backed Securities	10.2%
Short-Term Investments	5.4%
Investment Companies	1.1%
Commercial Mortgage-Backed Securities - Agency	0.2%
Corporate Bonds	0.2%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(22.3%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Government National Mortgage Association, TBA, 3.50%, due 08/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 2.00%, due 10/01/51	2.6%
Uniform Mortgage-Backed Security, TBA, 5.00%, due 02/01/56	2.5%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.5%
Federal National Mortgage Association, 2.00%, due 03/01/52	1.8%
Uniform Mortgage-Backed Security, TBA, 5.50%, due 01/01/56	1.6%
Uniform Mortgage-Backed Security, TBA, 3.00%, due 12/01/51	1.4%
Government National Mortgage Association, TBA, 2.50%, due 11/01/51	1.4%
Government National Mortgage Association, TBA, 4.00%, due 07/01/55	1.4%
Government National Mortgage Association, TBA, 4.50%, due 02/01/56	1.3%

Accountant Change Date

Apr. 30, 2026

C000017410

Shareholder Report [Line Items]

Fund Name

TCW Securitized Bond Fund

Class Name

Class I

Trading Symbol

TGLMX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Securitized Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$24	0.49%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 24

Expense Ratio, Percent

0.49%

^[27]

AssetsNet

$ 1,644,907,043

Holdings Count | Holding

482

InvestmentCompanyPortfolioTurnover

136.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$1,644,907,043
# of Portfolio Holdings482
Portfolio Turnover Rate136%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	68.7%
Residential Mortgage-Backed Securities - Non-Agency	22.3%
Commercial Mortgage-Backed Securities - Non-Agency	14.2%
Asset-Backed Securities	10.2%
Short-Term Investments	5.4%
Investment Companies	1.1%
Commercial Mortgage-Backed Securities - Agency	0.2%
Corporate Bonds	0.2%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(22.3%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Government National Mortgage Association, TBA, 3.50%, due 08/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 2.00%, due 10/01/51	2.6%
Uniform Mortgage-Backed Security, TBA, 5.00%, due 02/01/56	2.5%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.5%
Federal National Mortgage Association, 2.00%, due 03/01/52	1.8%
Uniform Mortgage-Backed Security, TBA, 5.50%, due 01/01/56	1.6%
Uniform Mortgage-Backed Security, TBA, 3.00%, due 12/01/51	1.4%
Government National Mortgage Association, TBA, 2.50%, due 11/01/51	1.4%
Government National Mortgage Association, TBA, 4.00%, due 07/01/55	1.4%
Government National Mortgage Association, TBA, 4.50%, due 02/01/56	1.3%

Accountant Change Date

Apr. 30, 2026

C000017411

Shareholder Report [Line Items]

Fund Name

TCW Securitized Bond Fund

Class Name

Class N

Trading Symbol

TGMNX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Securitized Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$35	0.70%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 35

Expense Ratio, Percent

0.70%

^[28]

AssetsNet

$ 1,644,907,043

Holdings Count | Holding

482

InvestmentCompanyPortfolioTurnover

136.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$1,644,907,043
# of Portfolio Holdings482
Portfolio Turnover Rate136%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	68.7%
Residential Mortgage-Backed Securities - Non-Agency	22.3%
Commercial Mortgage-Backed Securities - Non-Agency	14.2%
Asset-Backed Securities	10.2%
Short-Term Investments	5.4%
Investment Companies	1.1%
Commercial Mortgage-Backed Securities - Agency	0.2%
Corporate Bonds	0.2%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(22.3%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Government National Mortgage Association, TBA, 3.50%, due 08/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 2.00%, due 10/01/51	2.6%
Uniform Mortgage-Backed Security, TBA, 5.00%, due 02/01/56	2.5%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.5%
Federal National Mortgage Association, 2.00%, due 03/01/52	1.8%
Uniform Mortgage-Backed Security, TBA, 5.50%, due 01/01/56	1.6%
Uniform Mortgage-Backed Security, TBA, 3.00%, due 12/01/51	1.4%
Government National Mortgage Association, TBA, 2.50%, due 11/01/51	1.4%
Government National Mortgage Association, TBA, 4.00%, due 07/01/55	1.4%
Government National Mortgage Association, TBA, 4.50%, due 02/01/56	1.3%

Accountant Change Date

Apr. 30, 2026

C000218394

Shareholder Report [Line Items]

Fund Name

TCW Securitized Bond Fund

Class Name

Plan Class

Trading Symbol

TGLSX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW Securitized Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Plan Class	$22	0.44%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 22

Expense Ratio, Percent

0.44%

^[29]

AssetsNet

$ 1,644,907,043

Holdings Count | Holding

482

InvestmentCompanyPortfolioTurnover

136.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$1,644,907,043
# of Portfolio Holdings482
Portfolio Turnover Rate136%

Holdings [Text Block]

Asset Allocation (as a % of Net Assets)

Table Summary
Residential Mortgage-Backed Securities - Agency	68.7%
Residential Mortgage-Backed Securities - Non-Agency	22.3%
Commercial Mortgage-Backed Securities - Non-Agency	14.2%
Asset-Backed Securities	10.2%
Short-Term Investments	5.4%
Investment Companies	1.1%
Commercial Mortgage-Backed Securities - Agency	0.2%
Corporate Bonds	0.2%
Other Security Types^{Footnote Reference*}	0.0%^{Footnote Reference1}
Liabilities in Excess of Other Assets	(22.3%)

Footnote	Description
Footnote¹	Less than 0.01%
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Government National Mortgage Association, TBA, 3.50%, due 08/01/55	3.1%
Uniform Mortgage-Backed Security, TBA, 2.00%, due 10/01/51	2.6%
Uniform Mortgage-Backed Security, TBA, 5.00%, due 02/01/56	2.5%
Uniform Mortgage-Backed Security, TBA, 3.50%, due 01/01/52	2.5%
Federal National Mortgage Association, 2.00%, due 03/01/52	1.8%
Uniform Mortgage-Backed Security, TBA, 5.50%, due 01/01/56	1.6%
Uniform Mortgage-Backed Security, TBA, 3.00%, due 12/01/51	1.4%
Government National Mortgage Association, TBA, 2.50%, due 11/01/51	1.4%
Government National Mortgage Association, TBA, 4.00%, due 07/01/55	1.4%
Government National Mortgage Association, TBA, 4.50%, due 02/01/56	1.3%

Accountant Change Date

Apr. 30, 2026

C000263827

Shareholder Report [Line Items]

Fund Name

TCW White Oak Emerging Markets Equity Fund

Class Name

Class I-3

Trading Symbol

TWOZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW White Oak Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I-3	$62	1.15%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 62

Expense Ratio, Percent

1.15%

^[30]

AssetsNet

$ 20,142,316

Holdings Count | Holding

207

InvestmentCompanyPortfolioTurnover

15.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$20,142,316
# of Portfolio Holdings207
Portfolio Turnover Rate15%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	37.6%
Financials	16.7%
Consumer Discretionary	11.9%
Industrials	10.7%
Materials	5.8%
Communication Services	5.6%
Health Care	4.2%
Consumer Staples	2.7%
Other^{Footnote Reference*}	3.0%
Other Assets in Excess of Liabilities	1.8%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.	13.5%
Samsung Electronics Co. Ltd.	6.8%
SK Hynix, Inc.	4.5%
Tencent Holdings Ltd.	3.4%
Alibaba Group Holding Ltd.	2.6%
Delta Electronics, Inc.	1.9%
Elite Material Co. Ltd.	1.0%
AIA Group Ltd.	1.0%
BOC Aviation Ltd.	0.9%
Accton Technology Corp.	0.9%

Accountant Change Date

Apr. 30, 2026

C000257108

Shareholder Report [Line Items]

Fund Name

TCW White Oak Emerging Markets Equity Fund

Class Name

Class I

Trading Symbol

TWOEX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW White Oak Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class I	$53	0.98%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 53

Expense Ratio, Percent

0.98%

^[31]

AssetsNet

$ 20,142,316

Holdings Count | Holding

207

InvestmentCompanyPortfolioTurnover

15.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$20,142,316
# of Portfolio Holdings207
Portfolio Turnover Rate15%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	37.6%
Financials	16.7%
Consumer Discretionary	11.9%
Industrials	10.7%
Materials	5.8%
Communication Services	5.6%
Health Care	4.2%
Consumer Staples	2.7%
Other^{Footnote Reference*}	3.0%
Other Assets in Excess of Liabilities	1.8%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.	13.5%
Samsung Electronics Co. Ltd.	6.8%
SK Hynix, Inc.	4.5%
Tencent Holdings Ltd.	3.4%
Alibaba Group Holding Ltd.	2.6%
Delta Electronics, Inc.	1.9%
Elite Material Co. Ltd.	1.0%
AIA Group Ltd.	1.0%
BOC Aviation Ltd.	0.9%
Accton Technology Corp.	0.9%

Accountant Change Date

Apr. 30, 2026

C000257109

Shareholder Report [Line Items]

Fund Name

TCW White Oak Emerging Markets Equity Fund

Class Name

Class N

Trading Symbol

TWEMX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the TCW White Oak Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.

Additional Information [Text Block]

You can find additional information about the Fund at www.tcw.com/products/mutual-funds. You can also request this information by contacting us at 800-FUND-TCW (800-386-3829).

Additional Information Phone Number

800-FUND-TCW (800-386-3829)

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class N	$66	1.23%^{Footnote Reference*}

Footnote	Description
Footnote^*	Annualized.

Expenses Paid, Amount

$ 66

Expense Ratio, Percent

1.23%

^[32]

AssetsNet

$ 20,142,316

Holdings Count | Holding

207

InvestmentCompanyPortfolioTurnover

15.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$20,142,316
# of Portfolio Holdings207
Portfolio Turnover Rate15%

Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Information Technology	37.6%
Financials	16.7%
Consumer Discretionary	11.9%
Industrials	10.7%
Materials	5.8%
Communication Services	5.6%
Health Care	4.2%
Consumer Staples	2.7%
Other^{Footnote Reference*}	3.0%
Other Assets in Excess of Liabilities	1.8%

Footnote	Description
Footnote^*	Please refer to the Fund’s Semi-Annual Financial Statements which are available on the Fund’s website at www.tcw.com/products/mutual-funds for a complete listing of all categories.

Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.	13.5%
Samsung Electronics Co. Ltd.	6.8%
SK Hynix, Inc.	4.5%
Tencent Holdings Ltd.	3.4%
Alibaba Group Holding Ltd.	2.6%
Delta Electronics, Inc.	1.9%
Elite Material Co. Ltd.	1.0%
AIA Group Ltd.	1.0%
BOC Aviation Ltd.	0.9%
Accton Technology Corp.	0.9%

Accountant Change Date

Apr. 30, 2026

[1]	Annualized.
[2]	Annualized.
[3]	Annualized.
[4]	Annualized.
[5]	Annualized.
[6]	Annualized.
[7]	Annualized.
[8]	Annualized.
[9]	Annualized.
[10]	Annualized.
[11]	Annualized.
[12]	Annualized.
[13]	Annualized.
[14]	Annualized.
[15]	Annualized.
[16]	Annualized.
[17]	Annualized.
[18]	Annualized.
[19]	Annualized.
[20]	Annualized.
[21]	Annualized.
[22]	Annualized.
[23]	Annualized.
[24]	Annualized.
[25]	Annualized.
[26]	Annualized.
[27]	Annualized.
[28]	Annualized.
[29]	Annualized.
[30]	Annualized.
[31]	Annualized.
[32]	Annualized.