v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name T. ROWE PRICE INTERNATIONAL FUNDS, INC.
Entity Central Index Key 0000313212
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
C000004013  
Shareholder Report [Line Items]  
Fund Name Japan Fund
Class Name Investor Class
Trading Symbol PRJPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Japan Fund (the "fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Japan Fund - Investor Class
$60
1.14%
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.14%
AssetsNet $ 322,764,000
Holdings Count | Holding 80
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)
$322,764
Number of Portfolio Holdings
80
Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Electric Appliances & Precision Instruments
21.3%
IT & Services & Others
13.2
Banks
10.8
Raw Materials & Chemicals
8.1
Financials Ex-Banks
7.5
Machinery
7.0
Commercial & Wholesale Trade
7.0
Automobiles & Transportation Equipment
6.5
Retail Trade
5.4
Other
13.2
Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Mitsubishi UFJ Financial Group
5.4%
Recruit Holdings
4.1
Toyota Motor
3.7
ORIX
3.4
Renesas Electronics
3.2
Sumitomo
3.0
MS&AD Insurance Group Holdings
3.0
Resona Holdings
2.9
Sony Group
2.7
Hitachi
2.7
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000184318  
Shareholder Report [Line Items]  
Fund Name Japan Fund
Class Name I Class
Trading Symbol RJAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Japan Fund (the "fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Japan Fund - I Class
$44
0.83%
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.83%
AssetsNet $ 322,764,000
Holdings Count | Holding 80
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)
$322,764
Number of Portfolio Holdings
80
Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Electric Appliances & Precision Instruments
21.3%
IT & Services & Others
13.2
Banks
10.8
Raw Materials & Chemicals
8.1
Financials Ex-Banks
7.5
Machinery
7.0
Commercial & Wholesale Trade
7.0
Automobiles & Transportation Equipment
6.5
Retail Trade
5.4
Other
13.2
Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Mitsubishi UFJ Financial Group
5.4%
Recruit Holdings
4.1
Toyota Motor
3.7
ORIX
3.4
Renesas Electronics
3.2
Sumitomo
3.0
MS&AD Insurance Group Holdings
3.0
Resona Holdings
2.9
Sony Group
2.7
Hitachi
2.7
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000225810  
Shareholder Report [Line Items]  
Fund Name Japan Fund
Class Name Z Class
Trading Symbol TRZJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Japan Fund (the "fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

Table Summary
 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Japan Fund - Z Class
$0
0.00%
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00%
AssetsNet $ 322,764,000
Holdings Count | Holding 80
InvestmentCompanyPortfolioTurnover 28.00%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Table Summary
Total Net Assets (000s)
$322,764
Number of Portfolio Holdings
80
Holdings [Text Block]

Sector Allocation (as a % of Net Assets)

Table Summary
Electric Appliances & Precision Instruments
21.3%
IT & Services & Others
13.2
Banks
10.8
Raw Materials & Chemicals
8.1
Financials Ex-Banks
7.5
Machinery
7.0
Commercial & Wholesale Trade
7.0
Automobiles & Transportation Equipment
6.5
Retail Trade
5.4
Other
13.2
Largest Holdings [Text Block]

Top Ten Holdings (as a % of Net Assets)

Table Summary
Mitsubishi UFJ Financial Group
5.4%
Recruit Holdings
4.1
Toyota Motor
3.7
ORIX
3.4
Renesas Electronics
3.2
Sumitomo
3.0
MS&AD Insurance Group Holdings
3.0
Resona Holdings
2.9
Sony Group
2.7
Hitachi
2.7
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless