Shareholder Report, Average Annual Return (Details) 207777_ClearBridge Large Cap Growth Select ETF _Single Class_TSR Annual {Single Class} |
12 Months Ended | 60 Months Ended | 106 Months Ended |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| ClearBridge Large Cap Growth Select ETF | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | ClearBridge Large Cap Growth Select ETF (NAV) | ||
| Average Annual Return, Percent | 8.14% | 9.18% | 14.04% |
| Russell 3000 Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000 Index | ||
| Average Annual Return, Percent | 18.09% | 10.87% | 13.28% |
| Russell 1000 Growth Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 1000 Growth Index | ||
| Average Annual Return, Percent | 18.81% | 12.76% | 16.77% |