Untitled Document

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Document Type	dei_DocumentType	485BPOS
Document Period End Date	dei_DocumentPeriodEndDate	Dec. 31, 2017
Registrant Name	dei_EntityRegistrantName	T. Rowe Price Small-Cap Value Fund, Inc.
Central Index Key	dei_EntityCentralIndexKey	0000834798
Amendment Flag	dei_AmendmentFlag	false
Document Creation Date	dei_DocumentCreationDate	Apr. 26, 2018
Document Effective Date	dei_DocumentEffectiveDate	May 01, 2018
Prospectus Date	rr_ProspectusDate	May 01, 2018

dei_EntityRegistrantName

T. Rowe Price Small-Cap Value Fund, Inc.

rr_RiskReturnHeading

T. Rowe Price

Small-Cap Value Fund

Investor Class

I Class

Advisor Class

SUMMARY

rr_ObjectivePrimaryTextBlock

The fund seeks long-term capital growth by investing primarily in small companies whose common stocks are believed to be undervalued.

Expense Narrative [Text Block]

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This table describes the fees and expenses that you may pay if you buy and hold shares of the fund. You may also incur brokerage commissions and other charges when buying or selling shares of the fund, which are not reflected in the table.

Operating Expenses Caption [Text]

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

Portfolio Turnover [Text Block]

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The fund pays transaction costs, such as 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 the fund’s shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund’s performance. During the most recent fiscal year, the fund’s portfolio turnover rate was 17.1% of the average value of its portfolio.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

The figure shown in the fee table does not match the “Ratio of expenses to average net assets” shown in the Financial Highlights table, as that figure does not include acquired fund fees and expenses.

Expense Example Narrative [Text Block]

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This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods, that your investment has a 5% return each year, and that the fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Strategy Narrative [Text Block]

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Reflecting a value approach to investing, the fund will seek the stocks of companies whose current stock prices do not appear to adequately reflect their underlying value as measured by assets, earnings, cash flow, or business franchises. Normally, the fund will invest at least 80% of its net assets (including any borrowings for investment purposes) in companies with a market capitalization that is within or below the range of companies in the Russell 2000^® Index. As of December 31, 2017, the market capitalization range for the Russell 2000 Index was approximately $22.7 million to $9.4 billion. The market capitalization of the companies in the fund’s portfolio and the Russell 2000 Index changes over time, and the fund will not sell a stock just because the company has grown to a market capitalization outside the range. The fund may, on occasion, purchase companies with a market capitalization above the range. The fund may at times invest significantly in certain sectors, such as the financials sector.

Our in-house research team seeks to identify companies that appear to be undervalued by various measures, and may be temporarily out of favor, but have good prospects for capital appreciation. In selecting investments, we generally look for some of the following:

low price/earnings, price/book value, or price/cash flow ratios relative to the Russell 2000 Index, the company’s peers, or its own historical norm;

low stock price relative to a company’s underlying asset values;

above-average dividend yield relative to a company’s peers or its own historical norm;

a plan to improve the business through restructuring; and

a sound balance sheet and other positive financial characteristics.

In pursuing its investment objective, the fund has the discretion to deviate from its normal investment criteria. These situations might arise when the fund’s adviser believes a security could increase in value for a variety of reasons, including an extraordinary corporate event, a new product introduction or innovation, a favorable competitive development, or a change in management.

While most assets will typically be invested in U.S. common stocks, including real estate investment trusts (“REITs”) that pool money to invest in properties and mortgages, the fund may also invest in foreign stocks in keeping with the fund’s objective.

The fund may sell securities for a variety of reasons, such as to secure gains, limit losses, or redeploy assets into more promising opportunities.

Risk Narrative [Text Block]

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As with any mutual fund, there is no guarantee that the fund will achieve its objective. The fund’s share price fluctuates, which means you could lose money by investing in the fund. The principal risks of investing in this fund are summarized as follows:

Active management risks The investment adviser’s judgments about the attractiveness, value, or potential appreciation of the fund’s investments may prove to be incorrect. The fund could underperform in comparison to other funds with a similar benchmark or similar objectives and investment strategies if the fund’s overall investment selections or strategies fail to produce the intended results.

Risks of U.S. stock investing Stocks generally fluctuate in value more than bonds and may decline significantly over short time periods. There is a chance that stock prices overall will decline because stock markets tend to move in cycles, with periods of rising and falling prices. The value of a stock in which the fund invests may decline due to general weakness in the U.S. stock market, such as when the U.S. financial markets decline, or because of factors that affect a particular company or industry.

Investment style risks Different investment styles tend to shift in and out of favor depending on market conditions and investor sentiment. The fund’s value approach to investing could cause it to underperform other stock funds that employ a different investment style. The intrinsic value of a stock with value characteristics may not be fully recognized by the market for a long time or a stock judged to be undervalued may actually be appropriately priced at a low level.

Small-cap stock risks Investing primarily in issuers within the same market capitalization category carries the risk that the category may be out of favor due to current market conditions or investor sentiment. Because the fund invests primarily in securities issued by small-cap companies, and to a lesser extent, micro-cap companies, the fund is likely to be more volatile than a fund that focuses on securities issued by larger companies. Small and micro-cap companies often have less experienced management, narrower product lines, more limited financial resources, and less publicly available information than larger companies. In addition, smaller companies are typically more sensitive to changes in overall economic conditions and their securities may be difficult to trade. Micro-cap stocks may be even more thinly traded, making it difficult for the fund to buy, sell and value their shares.

Risks of REIT investing REITs must satisfy specific requirements for favorable tax treatment and can involve unique risks in addition to the risks generally affecting the real estate industry. REITs are dependent upon the quality of their management, may have limited financial resources and heavy cash flow dependency, and may not be diversified geographically or by property type.

Foreign investing risks The fund’s investments in foreign securities may be adversely affected by local, political, social, and economic conditions overseas, greater volatility, reduced liquidity, or decreases in foreign currency values relative to the U.S. dollar. These risks are heightened for the fund’s investments in emerging markets, which are more susceptible to governmental interference, less efficient trading markets, and the imposition of local taxes or restrictions on gaining access to sales proceeds for foreign investors.

Sector concentration risks At times, the fund may have a significant portion of its assets invested in securities of companies conducting business in a broadly related group of industries within an economic sector. Companies in the same economic sector may be similarly affected by economic or market events, making the fund more vulnerable to unfavorable developments in that economic sector than funds that invest more broadly. For example, the fund may have a significant portion of its assets invested in securities of companies in the financials sectors. Companies in the financials sector may be adversely impacted by, among other things, regulatory changes, economic conditions, interest rates, credit rating downgrades, and decreased liquidity in credit markets.

Bar Chart and Performance Table [Heading]

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Performance

Performance Information Illustrates Variability of Returns [Text]

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The following performance information provides some indication of the risks of investing in the fund.

The following bar chart illustrates how much returns can differ from year to year by showing calendar year returns and the best and worst calendar quarter returns during those years for the fund’s Investor Class. Returns for other share classes vary since they have different expenses.

The following table shows the average annual total returns for each class of the fund that has been in operation for at least one full calendar year, and also compares the returns with the returns of a relevant broad-based market index, as well as with the returns of one or more comparative indexes that have investment characteristics similar to those of the fund.

Performance Past Does Not Indicate Future [Text]

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The fund’s performance information represents only past performance (before and after taxes) and is not necessarily an indication of future results.

Bar Chart Closing [Text Block]

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	Quarter Ended	Total Return		Quarter Ended	Total Return
Best Quarter	6/30/09	21.94%	Worst Quarter	12/31/08	-25.02%

Performance Table Uses Highest Federal Rate

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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 One Class of after Tax Shown [Text]

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After-tax returns are shown only for the Investor Class and will differ for other share classes.

Performance Table Closing [Text Block]

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Updated performance information is available through troweprice.com.

Risk/Return:

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Maximum account fee

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$ 20

^[1]

Distribution and service (12b-1) fees

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Acquired fund fees and expenses

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0.12%

1 year

rr_ExpenseExampleYear01

$ 93

5 years

rr_ExpenseExampleYear05

504

2008

rr_AnnualReturn2008

(28.61%)

2010

rr_AnnualReturn2010

25.25%

2012

rr_AnnualReturn2012

17.76%

2014

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0.14%

2016

rr_AnnualReturn2016

28.97%

Highest Quarterly Return, Label

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Best Quarter

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

21.94%

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

1 Year

rr_AverageAnnualReturnYear01

13.37%

10 Years

rr_AverageAnnualReturnYear10

9.42%

Inception date

rr_AverageAnnualReturnInceptionDate

Jun. 30, 1988

Risk/Return:

rr_RiskReturnAbstract

Maximum account fee

rr_MaximumAccountFee

Distribution and service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

Acquired fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.12%

1 year

rr_ExpenseExampleYear01

$ 80

5 years

rr_ExpenseExampleYear05

433

1 Year

rr_AverageAnnualReturnYear01

13.55%

10 Years

rr_AverageAnnualReturnYear10

Inception date

rr_AverageAnnualReturnInceptionDate

Aug. 28, 2015

Risk/Return:

rr_RiskReturnAbstract

Maximum account fee

rr_MaximumAccountFee

Distribution and service (12b-1) fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

^[3]

Acquired fund fees and expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.12%

1 year

rr_ExpenseExampleYear01

$ 127

5 years

rr_ExpenseExampleYear05

686

1 Year

rr_AverageAnnualReturnYear01

13.01%

10 Years

rr_AverageAnnualReturnYear10

9.13%

Inception date

rr_AverageAnnualReturnInceptionDate

Mar. 31, 2000

Risk/Return:

rr_RiskReturnAbstract

5 Years

rr_AverageAnnualReturnYear05

11.13%

Since inception

rr_AverageAnnualReturnSinceInception

1 Year

rr_AverageAnnualReturnYear01

8.46%

10 Years

rr_AverageAnnualReturnYear10

7.44%

Inception date

rr_AverageAnnualReturnInceptionDate

Jun. 30, 1988

Risk/Return:

rr_RiskReturnAbstract

5 Years

rr_AverageAnnualReturnYear05

13.01%

Since inception

rr_AverageAnnualReturnSinceInception

15.97%

^[4]

1 Year

rr_AverageAnnualReturnYear01

13.95%

10 Years

rr_AverageAnnualReturnYear10

8.69%

Inception date

rr_AverageAnnualReturnInceptionDate

Aug. 28, 2015

Risk/Return:

rr_RiskReturnAbstract

5 Years

rr_AverageAnnualReturnYear05

12.51%

Since inception

rr_AverageAnnualReturnSinceInception

14.52%

^[4]


Exhibit	Exhibit No.
XBRL Instance Document	EX-101.INS
XBRL Taxonomy Extension Schema Document	EX-101.SCH
XBRL Taxonomy Extension Calculation Linkbase Document	EX-101.CAL
XBRL Taxonomy Extension Definition Linkbase Document	EX-101.DEF
XBRL Taxonomy Extension Labels Linkbase Document	EX-101.LAB
XBRL Taxonomy Extension Presentation Linkbase Document	EX-101.PRE


Signature	Title	Date


/s/Edward C. Bernard	Chairman of the Board	May 15, 2018
Edward C. Bernard	(Chief Executive Officer)


/s/Catherine D. Mathews	Treasurer	May 15, 2018
Catherine D. Mathews	(Chief Financial Officer)
	and Vice President

*
Teresa Bryce Bazemore	Director	May 15, 2018


*
Ronald J. Daniels	Director	May 15, 2018


*
Bruce W. Duncan	Director	May 15, 2018


*
Robert J. Gerrard, Jr.	Director	May 15, 2018


*
Paul F. McBride	Director	May 15, 2018


*
Cecilia E. Rouse	Director	May 15, 2018


*
John G. Schreiber	Director	May 15, 2018



/s/Robert W. Sharps	Director	May 15, 2018
Robert W. Sharps


*
Mark. R. Tercek	Director	May 15, 2018


*/s/David Oestreicher	Vice President and	May 15, 2018
David Oestreicher	Attorney-In-Fact


ALL CORPORATIONS/TRUSTS /s/Edward C. Bernard
Edward C. Bernard /s/Catherine D. Mathews	Chairman of the Board (Principal Executive Officer) Director/Trustee	April 27, 2017
Catherine D. Mathews /s/Anthony W. Deering	Treasurer (Principal Financial Officer) Vice President	April 27, 2017
Anthony W. Deering /s/Bruce W. Duncan	Director/Trustee	April 27, 2017
Bruce W. Duncan /s/Robert J. Gerrard, Jr.	Director/Trustee	April 27, 2017
Robert J. Gerrard, Jr. /s/Paul F. McBride	Director/Trustee	April 27, 2017
Paul F. McBride /s/Cecilia E. Rouse	Director/Trustee	April 27, 2017
Cecilia E. Rouse /s/John G. Schreiber	Director/Trustee	April 27, 2017
John G. Schreiber /s/Mark R. Tercek	Director/Trustee	April 27, 2017
Mark R. Tercek	Director/Trustee	April 27, 2017


/s/Teresa Bryce Bazemore
Teresa Bryce Bazemore, Director	Date: January 1, 2018


/s/Ronald J. Daniels
Ronald J. Daniels, Director	Date: January 1, 2018


Darrell N. Braman, Secretary


Darrell N. Braman, Secretary


Darrell N. Braman, Secretary