v3.26.1
Shareholder Report
 6 Months Ended
Mar. 31, 2026
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, 2026
C000031758  
Shareholder Report [Line Items]  
Fund Name Causeway International Value Fund
Class Name Institutional Class
Trading Symbol CIVIX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] This semi-annual shareholder report contains important information about Institutional Class of the Causeway International Value Fund (the "Fund") for the period from October 1, 2025 to March 31, 2026. You can find additional information about the Fund at https://www.causewaycap.com/documents/#documents-international-value-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-value-fund
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment) 

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Causeway International Value Fund, Institutional Class
$43
0.85%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
AssetsNet $ 17,296,181,000
Holdings Count | Holding 73
Advisory Fees Paid, Amount $ 70,035
InvestmentCompanyPortfolioTurnover 29.00%
Holdings [Text Block]

Country/Asset WeightingsFootnote Reference*

Holding Chart
Table Summary
Value
Value
Futures Contracts
0.0%
Other Countries
6.4%
Belgium
2.1%
Sweden
2.3%
Short-Term Investment
2.3%
Switzerland
2.3%
South Korea
2.5%
Italy
3.3%
United States
3.3%
Netherlands
5.5%
Japan
11.2%
Germany
11.5%
France
19.4%
United Kingdom
27.1%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Kering S.A.
4.7%
Alstom S.A.
3.6%
Renesas Electronics Corp.
3.5%
Barclays PLC
2.8%
AstraZeneca PLC
2.8%
SAP SE
2.5%
RELX PLC (EUR)
2.5%
SMC Corp.
2.5%
Cie de Saint-Gobain S.A.
2.5%
BNP Paribas SA
2.4%
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-value-fund
C000031757  
Shareholder Report [Line Items]  
Fund Name Causeway International Value Fund
Class Name Investor Class
Trading Symbol CIVVX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] This semi-annual shareholder report contains important information about Investor Class of the Causeway International Value Fund (the "Fund") for the period from October 1, 2025 to March 31, 2026. You can find additional information about the Fund at https://www.causewaycap.com/documents/#documents-international-value-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-value-fund
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment) 

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Causeway International Value Fund, Investor Class
$56
1.10%
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.10%
AssetsNet $ 17,296,181,000
Holdings Count | Holding 73
Advisory Fees Paid, Amount $ 70,035
InvestmentCompanyPortfolioTurnover 29.00%
Holdings [Text Block]

Country/Asset WeightingsFootnote Reference*

Holding Chart
Table Summary
Value
Value
Futures Contracts
0.0%
Other Countries
6.4%
Belgium
2.1%
Sweden
2.3%
Short-Term Investment
2.3%
Switzerland
2.3%
South Korea
2.5%
Italy
3.3%
United States
3.3%
Netherlands
5.5%
Japan
11.2%
Germany
11.5%
France
19.4%
United Kingdom
27.1%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Kering S.A.
4.7%
Alstom S.A.
3.6%
Renesas Electronics Corp.
3.5%
Barclays PLC
2.8%
AstraZeneca PLC
2.8%
SAP SE
2.5%
RELX PLC (EUR)
2.5%
SMC Corp.
2.5%
Cie de Saint-Gobain S.A.
2.5%
BNP Paribas SA
2.4%
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-value-fund