Shareholder Report, Line Graph (Details) - USD ($) |
12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Mar. 31, 2017 |
Mar. 31, 2016 |
Sep. 01, 2015 |
Mar. 31, 2015 |
|
| C000159357 | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Columbia EM Core ex-China ETF | |||||||||||
| Account Value | $ 19,453 | $ 19,929 | $ 17,133 | $ 19,068 | $ 19,253 | $ 11,422 | $ 14,881 | $ 15,896 | $ 12,949 | $ 10,898 | $ 10,000 | |
| C000101379 | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Columbia India Consumer ETF | |||||||||||
| Account Value | $ 21,446 | 22,094 | 14,854 | 15,216 | 14,461 | 8,729 | 11,892 | 12,931 | 10,808 | 8,782 | $ 10,000 | |
| C000088095 | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Columbia Research Enhanced Emerging Economies ETF | |||||||||||
| Account Value | $ 9,181 | 8,641 | 8,447 | 8,613 | 11,075 | 7,798 | 8,848 | 10,180 | 9,530 | 8,637 | 10,000 | |
| MSCI Emerging Markets Index (Net) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | MSCI Emerging Markets Index (Net) | |||||||||||
| Account Value | $ 17,251 | 15,960 | 14,757 | 16,526 | 18,645 | 11,772 | 14,301 | 15,445 | 12,363 | 10,547 | 10,000 | |
| MSCI India Index (Net) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | MSCI India Index (Net) | |||||||||||
| Account Value | $ 21,266 | 20,899 | 15,274 | 17,390 | 14,754 | 8,366 | 12,100 | 11,335 | 10,282 | 8,685 | 10,000 | |
| MSCI Emerging Markets Index (Net) | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | MSCI Emerging Markets Index (Net) | |||||||||||
| Account Value | $ 14,389 | 13,312 | 12,309 | 13,784 | 15,551 | 9,818 | 11,928 | 12,883 | 10,312 | 8,797 | 10,000 | |
| Beta Thematic Emerging Markets ex-China Index | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Beta Thematic Emerging Markets ex-China Index | |||||||||||
| Account Value | $ 19,125 | 19,683 | 16,594 | 18,625 | 18,494 | 10,681 | 14,157 | 15,462 | 12,921 | 10,908 | $ 10,000 | |
| Indxx India Consumer Index | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Indxx India Consumer Index | |||||||||||
| Account Value | $ 25,982 | 26,353 | 16,681 | 16,771 | 15,711 | 9,209 | 12,532 | 13,434 | 11,104 | 8,908 | 10,000 | |
| Combined Current and Former Indices | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Combined Current and Former Indices | |||||||||||
| Account Value | $ 9,867 | 9,285 | 9,071 | 9,196 | 11,770 | 8,198 | 9,241 | 10,534 | 9,780 | 8,809 | 10,000 | |
| Dow Jones Emerging Markets Consumer Titans™ Index | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Dow Jones Emerging Markets Consumer Titans™ Index | |||||||||||
| Account Value | $ 10,027 | $ 9,285 | $ 9,071 | $ 9,196 | $ 11,770 | $ 9,198 | $ 9,241 | $ 10,534 | $ 9,780 | $ 8,809 | $ 10,000 |