485BPOS

As filed with the Securities and Exchange Commission on September 5, 2018.

1933 Act File No. 33-65572
1940 Act File No. 811-7852

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933 ☒

Pre-Effective Amendment No. ___

Post-Effective Amendment No. 157

and

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940 ☒

Amendment No. 158

USAA MUTUAL FUNDS TRUST

(Exact Name of Registrant as Specified in Charter)

9800 Fredericksburg Road, San Antonio, TX 78288

(Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, including Area Code

(210) 498-0226

Jon K. Hadfield, Secretary

USAA MUTUAL FUNDS TRUST
9800 Fredericksburg Road

San Antonio, TX 78288-0227

(Name and Address of Agent for Service)

It is proposed that this filing will become effective under Rule 485

□	immediately upon filing pursuant to paragraph (b)
☒	on August 17, 2018 pursuant to paragraph (b)
□	60 days after filing pursuant to paragraph (a)(1)
□	on (date) pursuant to paragraph (a)(1)
□	75 days after filing pursuant to paragraph (a)(2)
□	on (date) pursuant to paragraph (a)(2)

If appropriate, check the following box:

□ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Fund meets all requirements for effectiveness of this registration statement pursuant to Rule 485(b) under the Securities Act and has duly caused this registration statement to be signed on its behalf by the undersigned, duly authorized, in the city of San Antonio, and state of Texas, on the 5th day of September, 2018.

USAA Mutual Funds Trust

By: *

Daniel S. McNamara
President

Pursuant to the requirements of the Securities Act of 1933, this amendment to the registration statement has been signed below by the following persons in the capacities and on the date(s) indicated.

(Signature)	(Title)	(Date)
*                                                          Robert L. Mason	Chairman of the Board of Trustees
*                                                          Daniel S. McNamara	Vice Chairman of the Board of Trustees and President (Principal Executive Officer)
*                                                          James K. De Vries	Treasurer (Principal Financial and Accounting Officer)
*                                                          Dawn M. Hawley	Trustee
*                                                          Jefferson C. Boyce	Trustee
*                                                          Paul L. McNamara	Trustee
*                                                          Richard Y. Newton III	Trustee
*                                                          Barbara B. Ostdiek	Trustee
*                                                          Michael F. Reimherr	Trustee

*By : /s/ Jon K. Hadfield

* Jon K. Hadfield, under the Powers of Attorney dated April 18, 2018, incorporated herein and filed under Post Effective Amendment No. 151, with the Securities and Exchange Commission on April 26, 2018.

EXHIBIT INDEX

101. INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema
101.DEF	XBRL Taxonomy Extension Definition Linkbase
101.LAB	XBRL Taxonomy Extension Label Linkbase
101.PRE	XBRL Taxonomy Extension Presentation Linkbase
101.CAL	XBRL Taxonomy Extension Calculation Linkbase

I-1

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Document Type	dei_DocumentType	485BPOS
Period End Date	dei_DocumentPeriodEndDate	Aug. 15, 2018
Registrant Name	dei_EntityRegistrantName	USAA Mutual Funds Trust
CIK	dei_EntityCentralIndexKey	0000908695
Amendment Flag	dei_AmendmentFlag	false
Document Created Date	dei_DocumentCreationDate	Aug. 15, 2018
Effective Date	dei_DocumentEffectiveDate	Aug. 17, 2018
Prospectus Date	rr_ProspectusDate	Aug. 17, 2018

XML

International Fund

USAA International Fund Summary

Investment Objective

The USAA International Fund (the Fund) seeks capital appreciation.

Fees and Expenses

The tables below describe the fees and expenses that you may pay, directly and indirectly, to invest in the Fund. The annual fund operating expenses for the R6 Shares are based on estimated expenses for the current fiscal year.

Shareholder Fees

Shareholder Fees	International Fund Fund Shares USD ($)
(fees paid directly from your investment)	none

Annual Fund Operating Expenses

(expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses	International Fund Fund Shares
Management Fee (fluctuates based on the Fund's performance relative to a securities market index)	0.75%
Distribution and/or Service (12b-1) Fees	none
Other Expenses	0.60%
Total Annual Operating Expenses	1.35%
Reimbursement from Adviser	(0.50%)	[1]
Total Annual Operating Expenses After Reimbursement	0.85%

Example

This example is intended to help you compare the cost of investing in this Fund with the cost of investing in other mutual funds. Although your actual costs may be higher or lower, you would pay the following expenses on a $10,000 investment, assuming (1) a 5% annual return, (2) the Fund's operating expenses remain the same, (3) you redeem all of your shares at the end of the periods shown, and (4) the expense reimbursement arrangement for the R6 Shares is not continued beyond one year.

Expense Example	1 Year	3 Years	5 Years	10 Years
International Fund | Fund Shares | USD ($)	87	378	692	1,580

Portfolio Turnover

The Fund pays transaction costs, including commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares of the Fund are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund's performance.

For the most recent fiscal year, the Fund's portfolio turnover rate was 36% of the average value of its whole portfolio.

Principal Investment Strategy

The Fund normally invests at least 80% of its assets in equity securities of foreign (including emerging markets) companies. The "equity securities" in which the Fund principally invests are common stocks, depositary receipts, preferred stocks, securities convertible into common stocks, and securities that carry the right to buy common stocks including rights and warrants.

The Fund will normally invest its assets in investments that are tied economically to a number of countries throughout the world. However, the Fund may invest a significant percentage of its assets in securities of issuers in a single country, a small number of countries, or a particular geographic region. The Fund may invest in companies of any size, including mid- and small-cap companies. Investments are selected primarily based on fundamental analysis of individual issuers and their potential in light of their financial condition, and market, economic, political, and regulatory conditions. Factors considered may include analysis of an issuer's earnings, cash flows, competitive position, and management ability. Quantitative models that systematically evaluate an issuer's valuation, price and earnings momentum, earnings quality, and other factors also may be considered.

Principal Risks

Any investment involves risk, and there is no assurance that the Fund's objective will be achieved. The Fund is actively managed and the investment techniques and risk analyses used by the Fund's manager(s) may not produce the desired results. As you consider an investment in the Fund, you also should take into account your tolerance for the daily fluctuations of the financial markets and whether you can afford to leave your money in the Fund for long periods of time to ride out down periods. As with other mutual funds, losing money is a risk of investing in the Fund.

The equity securities in the Fund's portfolio are subject to stock market risk. A company's stock price in general may decline over short or even extended periods, regardless of the success or failure of the company's operations. Stock markets tend to run in cycles, with periods when stock prices generally go up and periods when stock prices generally go down. Equity securities tend to be more volatile than debt securities. In addition, the Fund invests primarily in foreign securities. There is a possibility that the value of the Fund's investments in foreign securities will decrease because of unique risks, such as currency exchange-rate fluctuations; foreign market illiquidity; emerging market risk; increased price volatility; uncertain political conditions; exchange control regulations; foreign ownership limits; different accounting, reporting, and disclosure requirements; difficulties in obtaining legal judgments; and foreign withholding taxes. These risks are particularly heightened in this Fund because investments in emerging-market countries generally are more volatile than investments in developed markets. Emerging-market countries are less economically diverse and mature than more developed countries and tend to be politically less stable.

The Fund's performance could be closely tied to the market, currency, economic, political, regulatory, geopolitical, or other conditions and developments in the countries or regions in which the Fund invests. As such, the Fund's performance could be more volatile than the performance of more geographically-diversified funds.

The Fund may invest in securities of companies of any market capitalization and is subject to mid- and small-cap company risk, which is the greater risk of investing in smaller, less well-known companies, as opposed to investing in established companies with proven track records. Mid- and small-cap companies also may have limited product lines, markets, or financial resources. Securities of such companies may be less liquid and more volatile than securities of larger companies or the market in general and, therefore, may involve greater risk than investing in the securities of larger companies.

An investment in the Fund is not a deposit in USAA Federal Savings Bank, or any other bank, and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Performance

The following bar chart and table are intended to help you understand the risks of investing in the Fund. The Fund has four classes of shares: Fund Shares, Institutional Shares, Adviser Shares, and R6 Shares. The R6 Shares commenced operations on August 17, 2018, and will not present performance information until the class has one full calendar year of operations. In the chart and table below, performance results for the Fund's Fund Shares class, which is not presented in this Prospectus, show annual returns that would be substantially similar to those of the R6 Shares class, because the shares are invested in the same portfolio of securities. However, the annual returns would differ to the extent that the Fund Shares class and the R6 Shares class have different expenses. The bar chart provides some indication of the risks of investing in the Fund and illustrates the Fund Shares class's volatility and performance from year to year for each full calendar year over the past 10 years. The table shows how the average annual total returns of the share classes for the periods indicated compared to those of the Fund's benchmark index and an additional index of funds with similar investment objectives. Performance reflects any expense limitations in effect during the periods shown.

Remember, historical performance (before and after taxes) does not necessarily indicate what will happen in the future. For the Fund's most current performance information, log on to usaa.com or call (800) 531-USAA (8722) or (210) 531-8722.

RISK/RETURN BAR CHART
Annual Returns for Fund Shares for Periods Ended December 31

During the periods shown in the chart:	Returns	Quarter ended
Highest Quarter Return	20.90%	September 30, 2009
Lowest Quarter Return	-20.30%	September 30, 2011
Year-to-Date Return	-2.68%	June 30, 2018

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. In certain situations, the return after taxes on distributions and sale of fund shares may be higher than the other return amounts. A higher after-tax return may result when a capital loss occurs upon redemption and translates into an assumed tax deduction that benefits the shareholder. The actual after-tax returns depend on your tax situation and may differ from those shown. If you hold your shares through a tax-deferred arrangement, such as an individual retirement account (IRA) or 401(k) plan, the after-tax returns shown in the table are not relevant to you. Please note that after-tax returns are only shown for the Fund Shares and may differ for each share class.

AVERAGE ANNUAL TOTAL RETURNS
For Periods Ended December 31, 2017

Average Annual Total Returns - International Fund	Past1 Year	Past5 Years	Past10 Years
Fund Shares	28.10%	7.98%	4.30%
Fund Shares | Return After Taxes on Distributions	27.18%	7.38%	3.96%
Fund Shares | Return After Taxes on Distributions and Sale of Fund Shares	16.66%	6.30%	3.48%
MSCI EAFE Index (reflects no deduction for fees, expenses, or taxes)	25.03%	7.91%	1.94%
Lipper International Funds Index (reflects no deduction for taxes)	26.70%	8.10%	2.50%

[1] The Investment Adviser has agreed, through September 30, 2019, to make payments or waive management, administration, and other fees to limit the expenses of the R6 Shares of the Fund so that the total annual operating expenses (exclusive of commission recapture, expense offset arrangements, acquired fund fees and expenses, and extraordinary expenses) do not exceed an annual rate of 0.85% of the R6 Shares' average daily net assets. This reimbursement arrangement may not be changed or terminated during this time period without approval of the Fund's Board of Trustees and may be changed or terminated by the Investment Adviser at any time after September 30, 2019.

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

USAA Mutual Funds Trust

Prospectus Date

rr_ProspectusDate

Aug. 17, 2018

International Fund

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

USAA International Fund Summary

Objective [Heading]

rr_ObjectiveHeading

Investment Objective

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

The USAA International Fund (the Fund) seeks capital appreciation.

Expense [Heading]

rr_ExpenseHeading

Fees and Expenses

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

The tables below describe the fees and expenses that you may pay, directly and indirectly, to invest in the Fund. The annual fund operating expenses for the R6 Shares are based on estimated expenses for the current fiscal year.

Shareholder Fees Caption [Text]

rr_ShareholderFeesCaption

Shareholder Fees

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses

(expenses that you pay each year as a percentage of the value of your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

September 30, 2019

Portfolio Turnover [Heading]

rr_PortfolioTurnoverHeading

Portfolio Turnover

Portfolio Turnover [Text Block]

rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, including commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares of the Fund are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund's performance.

For the most recent fiscal year, the Fund's portfolio turnover rate was 36% of the average value of its whole portfolio.

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

36.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

Example

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in this Fund with the cost of investing in other mutual funds. Although your actual costs may be higher or lower, you would pay the following expenses on a $10,000 investment, assuming (1) a 5% annual return, (2) the Fund's operating expenses remain the same, (3) you redeem all of your shares at the end of the periods shown, and (4) the expense reimbursement arrangement for the R6 Shares is not continued beyond one year.

Strategy [Heading]

rr_StrategyHeading

Principal Investment Strategy

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Fund normally invests at least 80% of its assets in equity securities of foreign (including emerging markets) companies. The "equity securities" in which the Fund principally invests are common stocks, depositary receipts, preferred stocks, securities convertible into common stocks, and securities that carry the right to buy common stocks including rights and warrants.

The Fund will normally invest its assets in investments that are tied economically to a number of countries throughout the world. However, the Fund may invest a significant percentage of its assets in securities of issuers in a single country, a small number of countries, or a particular geographic region. The Fund may invest in companies of any size, including mid- and small-cap companies. Investments are selected primarily based on fundamental analysis of individual issuers and their potential in light of their financial condition, and market, economic, political, and regulatory conditions. Factors considered may include analysis of an issuer's earnings, cash flows, competitive position, and management ability. Quantitative models that systematically evaluate an issuer's valuation, price and earnings momentum, earnings quality, and other factors also may be considered.

Risk [Heading]

rr_RiskHeading

Principal Risks

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Any investment involves risk, and there is no assurance that the Fund's objective will be achieved. The Fund is actively managed and the investment techniques and risk analyses used by the Fund's manager(s) may not produce the desired results. As you consider an investment in the Fund, you also should take into account your tolerance for the daily fluctuations of the financial markets and whether you can afford to leave your money in the Fund for long periods of time to ride out down periods. As with other mutual funds, losing money is a risk of investing in the Fund.

The equity securities in the Fund's portfolio are subject to stock market risk. A company's stock price in general may decline over short or even extended periods, regardless of the success or failure of the company's operations. Stock markets tend to run in cycles, with periods when stock prices generally go up and periods when stock prices generally go down. Equity securities tend to be more volatile than debt securities. In addition, the Fund invests primarily in foreign securities. There is a possibility that the value of the Fund's investments in foreign securities will decrease because of unique risks, such as currency exchange-rate fluctuations; foreign market illiquidity; emerging market risk; increased price volatility; uncertain political conditions; exchange control regulations; foreign ownership limits; different accounting, reporting, and disclosure requirements; difficulties in obtaining legal judgments; and foreign withholding taxes. These risks are particularly heightened in this Fund because investments in emerging-market countries generally are more volatile than investments in developed markets. Emerging-market countries are less economically diverse and mature than more developed countries and tend to be politically less stable.

The Fund's performance could be closely tied to the market, currency, economic, political, regulatory, geopolitical, or other conditions and developments in the countries or regions in which the Fund invests. As such, the Fund's performance could be more volatile than the performance of more geographically-diversified funds.

The Fund may invest in securities of companies of any market capitalization and is subject to mid- and small-cap company risk, which is the greater risk of investing in smaller, less well-known companies, as opposed to investing in established companies with proven track records. Mid- and small-cap companies also may have limited product lines, markets, or financial resources. Securities of such companies may be less liquid and more volatile than securities of larger companies or the market in general and, therefore, may involve greater risk than investing in the securities of larger companies.

An investment in the Fund is not a deposit in USAA Federal Savings Bank, or any other bank, and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Risk Lose Money [Text]

rr_RiskLoseMoney

As with other mutual funds, losing money is a risk of investing in the Fund.

Risk Not Insured Depository Institution [Text]

rr_RiskNotInsuredDepositoryInstitution

An investment in the Fund is not a deposit in USAA Federal Savings Bank, or any other bank, and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

Performance

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

The following bar chart and table are intended to help you understand the risks of investing in the Fund. The Fund has four classes of shares: Fund Shares, Institutional Shares, Adviser Shares, and R6 Shares. The R6 Shares commenced operations on August 17, 2018, and will not present performance information until the class has one full calendar year of operations. In the chart and table below, performance results for the Fund's Fund Shares class, which is not presented in this Prospectus, show annual returns that would be substantially similar to those of the R6 Shares class, because the shares are invested in the same portfolio of securities. However, the annual returns would differ to the extent that the Fund Shares class and the R6 Shares class have different expenses. The bar chart provides some indication of the risks of investing in the Fund and illustrates the Fund Shares class's volatility and performance from year to year for each full calendar year over the past 10 years. The table shows how the average annual total returns of the share classes for the periods indicated compared to those of the Fund's benchmark index and an additional index of funds with similar investment objectives. Performance reflects any expense limitations in effect during the periods shown.

Remember, historical performance (before and after taxes) does not necessarily indicate what will happen in the future. For the Fund's most current performance information, log on to usaa.com or call (800) 531-USAA (8722) or (210) 531-8722.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The R6 Shares commenced operations on August 17, 2018, and will not present performance information until the class has one full calendar year of operations. In the chart and table below, performance results for the Fund's Fund Shares class, which is not presented in this Prospectus, show annual returns that would be substantially similar to those of the R6 Shares class, because the shares are invested in the same portfolio of securities. However, the annual returns would differ to the extent that the Fund Shares class and the R6 Shares class have different expenses. The bar chart provides some indication of the risks of investing in the Fund and illustrates the Fund Shares class's volatility and performance from year to year for each full calendar year over the past 10 years. The table shows how the average annual total returns of the share classes for the periods indicated compared to those of the Fund's benchmark index and an additional index of funds with similar investment objectives.

Performance Availability Phone [Text]

rr_PerformanceAvailabilityPhone

(800) 531-USAA (8722) or (210) 531-8722

Performance Availability Website Address [Text]

rr_PerformanceAvailabilityWebSiteAddress

usaa.com

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

Remember, historical performance (before and after taxes) does not necessarily indicate what will happen in the future.

Bar Chart [Heading]

rr_BarChartHeading

RISK/RETURN BAR CHART
Annual Returns for Fund Shares for Periods Ended December 31

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock

During the periods shown in the chart:	Returns	Quarter ended
Highest Quarter Return	20.90%	September 30, 2009
Lowest Quarter Return	-20.30%	September 30, 2011
Year-to-Date Return	-2.68%	June 30, 2018

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. In certain situations, the return after taxes on distributions and sale of fund shares may be higher than the other return amounts. A higher after-tax return may result when a capital loss occurs upon redemption and translates into an assumed tax deduction that benefits the shareholder. The actual after-tax returns depend on your tax situation and may differ from those shown. If you hold your shares through a tax-deferred arrangement, such as an individual retirement account (IRA) or 401(k) plan, the after-tax returns shown in the table are not relevant to you. Please note that after-tax returns are only shown for the Fund Shares and may differ for each share class.

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS
For Periods Ended December 31, 2017

Performance Table Uses Highest Federal Rate

rr_PerformanceTableUsesHighestFederalRate

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.

Performance Table Not Relevant to Tax Deferred

rr_PerformanceTableNotRelevantToTaxDeferred

If you hold your shares through a tax-deferred arrangement, such as an individual retirement account (IRA) or 401(k) plan, the after-tax returns shown in the table are not relevant to you.

Performance Table One Class of after Tax Shown [Text]

rr_PerformanceTableOneClassOfAfterTaxShown

Please note that after-tax returns are only shown for the Fund Shares and may differ for each share class.

Performance Table Explanation after Tax Higher

rr_PerformanceTableExplanationAfterTaxHigher

In certain situations, the return after taxes on distributions and sale of fund shares may be higher than the other return amounts. A higher after-tax return may result when a capital loss occurs upon redemption and translates into an assumed tax deduction that benefits the shareholder.

International Fund | Fund Shares

Risk/Return:

rr_RiskReturnAbstract

(fees paid directly from your investment)

rr_ShareholderFeeOther

none

Management Fee (fluctuates based on the Fund's performance relative to a securities market index)

rr_ManagementFeesOverAssets

0.75%

Distribution and/or Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Other Expenses

rr_OtherExpensesOverAssets

0.60%

Total Annual Operating Expenses

rr_ExpensesOverAssets

1.35%

Reimbursement from Adviser

rr_FeeWaiverOrReimbursementOverAssets

(0.50%)

^[1]

Total Annual Operating Expenses After Reimbursement

rr_NetExpensesOverAssets

0.85%

1 Year

rr_ExpenseExampleYear01

$ 87

3 Years

rr_ExpenseExampleYear03

378

5 Years

rr_ExpenseExampleYear05

692

10 Years

rr_ExpenseExampleYear10

$ 1,580

2008

rr_AnnualReturn2008

(35.25%)

2009

rr_AnnualReturn2009

32.43%

2010

rr_AnnualReturn2010

9.87%

2011

rr_AnnualReturn2011

(9.81%)

2012

rr_AnnualReturn2012

22.07%

2013

rr_AnnualReturn2013

18.02%

2014

rr_AnnualReturn2014

(5.09%)

2015

rr_AnnualReturn2015

0.56%

2016

rr_AnnualReturn2016

1.75%

2017

rr_AnnualReturn2017

28.10%

Year to Date Return, Label

rr_YearToDateReturnLabel

Year-to-Date Return

Bar Chart, Year to Date Return, Date

rr_BarChartYearToDateReturnDate

Jun. 30, 2018

Bar Chart, Year to Date Return

rr_BarChartYearToDateReturn

(2.68%)

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

20.90%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(20.30%)

Past1 Year

rr_AverageAnnualReturnYear01

28.10%

Past5 Years

rr_AverageAnnualReturnYear05

7.98%

Past10 Years

rr_AverageAnnualReturnYear10

4.30%

International Fund | Return After Taxes on Distributions | Fund Shares

Risk/Return:

rr_RiskReturnAbstract

Past1 Year

rr_AverageAnnualReturnYear01

27.18%

Past5 Years

rr_AverageAnnualReturnYear05

7.38%

Past10 Years

rr_AverageAnnualReturnYear10

3.96%

International Fund | Return After Taxes on Distributions and Sale of Fund Shares | Fund Shares

Risk/Return:

rr_RiskReturnAbstract

Past1 Year

rr_AverageAnnualReturnYear01

16.66%

Past5 Years

rr_AverageAnnualReturnYear05

6.30%

Past10 Years

rr_AverageAnnualReturnYear10

3.48%

International Fund | MSCI EAFE Index (reflects no deduction for fees, expenses, or taxes)

Risk/Return:

rr_RiskReturnAbstract

Past1 Year

rr_AverageAnnualReturnYear01

25.03%

Past5 Years

rr_AverageAnnualReturnYear05

7.91%

Past10 Years

rr_AverageAnnualReturnYear10

1.94%

International Fund | Lipper International Funds Index (reflects no deduction for taxes)

Risk/Return:

rr_RiskReturnAbstract

Past1 Year

rr_AverageAnnualReturnYear01

26.70%

Past5 Years

rr_AverageAnnualReturnYear05

8.10%

Past10 Years

rr_AverageAnnualReturnYear10

2.50%

[1] The Investment Adviser has agreed, through September 30, 2019, to make payments or waive management, administration, and other fees to limit the expenses of the R6 Shares of the Fund so that the total annual operating expenses (exclusive of commission recapture, expense offset arrangements, acquired fund fees and expenses, and extraordinary expenses) do not exceed an annual rate of 0.85% of the R6 Shares' average daily net assets. This reimbursement arrangement may not be changed or terminated during this time period without approval of the Fund's Board of Trustees and may be changed or terminated by the Investment Adviser at any time after September 30, 2019.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	USAA Mutual Funds Trust
Prospectus Date	rr_ProspectusDate	Aug. 17, 2018
Document Creation Date	dei_DocumentCreationDate	Aug. 15, 2018