v3.25.1
Shareholder Report
6 Months Ended
Mar. 31, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name CAUSEWAY CAPITAL MANAGEMENT TRUST
Entity Central Index Key 0001156906
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2025
C000082229  
Shareholder Report [Line Items]  
Fund Name Causeway International Opportunities Fund
Class Name Institutional Class
Trading Symbol CIOIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Institutional Class of the Causeway International Opportunities Fund (the "Fund") for the period from October 1, 2024 to March 31, 2025.
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at https://www.causewaycap.com/documents/#documents-international-opportunities-fund. You can also request this information by contacting us at 1-866-947-7000. 
Additional Information Phone Number 1-866-947-7000
Additional Information Website https://www.causewaycap.com/documents/#documents-international-opportunities-fund
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment) 

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Causeway International Opportunities Fund, Institutional Class
$48
0.95%
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.95%
AssetsNet $ 314,211,000
Holdings Count | Holding 244
Advisory Fees Paid, Amount $ 1,099
InvestmentCompanyPortfolioTurnover 36.00%
Holdings [Text Block]

 Country/Asset WeightingsFootnote Reference*

Holding Chart
Value
Value
Other Countries
11.4%
Canada
2.5%
Italy
2.8%
South Korea
3.9%
India
4.1%
Taiwan
4.9%
Netherlands
5.1%
Germany
6.4%
Japan
8.0%
China
9.8%
Short-Term InvestmentFootnote Reference(a)
12.0%
France
13.8%
United Kingdom
23.4%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.
Footnote(a)
Short-Term Investment was temporarily elevated at the end of the period due to cash flows.

Top Ten Holdings

Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Kering S.A.
2.9%
Rolls-Royce Holdings PLC
2.7%
Alstom S.A.
2.6%
Reckitt Benckiser Group PLC
2.6%
Barclays PLC
2.5%
AstraZeneca PLC
2.2%
Renesas Electronics Corp.
2.2%
Canadian Pacific Kansas City Ltd.
2.1%
Taiwan Semiconductor Manufacturing Co. Ltd.
2.1%
Roche Holding AG
2.0%
FootnoteDescription
Footnote(A)
Short-Term Investments are not shown in the top ten chart.
Updated Prospectus Phone Number 1-866-947-7000
Updated Prospectus Web Address https://www.causewaycap.com/documents/#documents-international-opportunities-fund
C000082230  
Shareholder Report [Line Items]  
Fund Name Causeway International Opportunities Fund
Class Name Investor Class
Trading Symbol CIOVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Investor Class of the Causeway International Opportunities Fund (the "Fund") for the period from October 1, 2024 to March 31, 2025.
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at https://www.causewaycap.com/documents/#documents-international-opportunities-fund. You can also request this information by contacting us at 1-866-947-7000. 
Additional Information Phone Number 1-866-947-7000
Additional Information Website https://www.causewaycap.com/documents/#documents-international-opportunities-fund
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment) 

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Causeway International Opportunities Fund, Investor Class
$60
1.20%
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.20%
AssetsNet $ 314,211,000
Holdings Count | Holding 244
Advisory Fees Paid, Amount $ 1,099
InvestmentCompanyPortfolioTurnover 36.00%
Holdings [Text Block]

 Country/Asset WeightingsFootnote Reference*

Holding Chart
Value
Value
Other Countries
11.4%
Canada
2.5%
Italy
2.8%
South Korea
3.9%
India
4.1%
Taiwan
4.9%
Netherlands
5.1%
Germany
6.4%
Japan
8.0%
China
9.8%
Short-Term InvestmentFootnote Reference(a)
12.0%
France
13.8%
United Kingdom
23.4%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.
Footnote(a)
Short-Term Investment was temporarily elevated at the end of the period due to cash flows.

Top Ten Holdings

Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Kering S.A.
2.9%
Rolls-Royce Holdings PLC
2.7%
Alstom S.A.
2.6%
Reckitt Benckiser Group PLC
2.6%
Barclays PLC
2.5%
AstraZeneca PLC
2.2%
Renesas Electronics Corp.
2.2%
Canadian Pacific Kansas City Ltd.
2.1%
Taiwan Semiconductor Manufacturing Co. Ltd.
2.1%
Roche Holding AG
2.0%
FootnoteDescription
Footnote(A)
Short-Term Investments are not shown in the top ten chart.
Updated Prospectus Phone Number 1-866-947-7000
Updated Prospectus Web Address https://www.causewaycap.com/documents/#documents-international-opportunities-fund